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                    U.S. DEPARTMENT OF AGRICULTURE
 Microbial and Chemical Food Safety: Wyndmoor, PA
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ARS Home Northeast Area Wyndmoor, Pennsylvania Eastern Regional Research Center Microbial and Chemical Food Safety People & Locations







Modesto Ocen Olanya
                        Microbial and Chemical Food Safety

                        




                        
                        Research Plant Pathologist
                        Phone: (215) 233-6471
                        
                        
                        Fax: (215) 233-6406(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsMitigation of Foodborne Pathogens in Water and Fresh Produce via Application of Biochar
                                                    In-House Appropriated
                                                                    (D)Accession Number: 438140**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Attachment of Salmonella Typhimurium and pathogen survival on post-harvest produce

- (Peer Reviewed Journal)Combined treatment of pulsed light and nisin-organic acid based antimicrobial wash for inactivation of Escherichia coli O157:H7 in Romaine lettuce, reduction of microbial loads, and retention of quality ¿
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Olanya, O.M., Niemira, B.A., Jin, Z.T., Fan, X. 2023. Combined treatment of pulsed light and nisin-organic acid based antimicrobial wash for inactivation of Escherichia coli O157:H7 in Romaine lettuce, reduction of microbial loads, and retention of quality. Food Microbiology. Available online:Food Microbiology 118 (2024) 104402. https://doi.org/10.1016/j.fm.2023.104402.Heterologous expression of a yeast lipid transporter promotes accumulation of storage compounds in chlamydomonas
                                                        

- (Peer Reviewed Journal)Msanne, J.N., Ashby, R.D., Olanya, O.M. 2023. Heterologous expression of a yeast lipid transporter promotes accumulation of storage compounds in chlamydomonas. Biocatalysis and Agricultural Biotechnology. https://doi.org/10.1016/j.bcab.2023.102809.Biological control of human pathogens on produce

- (Book / Chapter)Inactivation of foodborne and other pathogenic bacteria with pyrrolidine based fatty acid amide derivatives
                                                        

- (Peer Reviewed Journal)Olanya, O.M., Yosief, H.O., Ashby, R.D., Niemira, B.A., Sarker, M.I., Ukuku, D.O., Mukhopadhyay, S., Msanne, J.N., Fan, X. 2023. Inactivation of foodborne and other pathogenic bacteria with pyrrolidine based fatty acid amide derivatives. Journal of Food Safety. https://doi.org/10.1111/jfs.13079.Antimicrobial efficacy of fatty acid amide derivatives for inhibition and reduction of Listeria monocytogenes and other bacterial strains

- (Proceedings)Olanya, O.M., Yosief, H., Ashby, R.D., Niemira, B.A., Ukuku, D.O., Mukhopadhyay, S., Msanne, J.N., Sarker, M.I., Fan, X. Antimicrobial efficacy of fatty acid amide derivatives for inhibition and reduction of Listeria monocytogenes and other bacterial strains. In Symposium on Chemical Intervention Technology to Improve Microbial Stability of Food. 266th American Chemical Society National Meeting, Division of Agricultural and Food Chemistry. August 12-17, 2023, San Francisco, CA. p. 106-107.Cold plasma and organic acid treatment combination enhances inactivation of salmonella bacteria on tomato stem scar surfaces

- (Abstract Only)Ukuku, D.O., Niemira, B.A., Olanya, O.M., Mukhopadhyay, S. 2023. Cold plasma and organic acid treatment combination enhances inactivation of salmonella bacteria on tomato stem scar surfaces. In: International Association for Food protection (IAFP) 2023 Program Book, Toronto, Ontario, Canada; July 16-19, 2023. p. 230.Evaluation of pulsed light treatment for inactivation of Salmonella in packaged cherry tomato and impact on background microbiota and quality
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Jin, Z.T., Olanya, O.M., Fan, X. 2023. Evaluation of pulsed light treatment for inactivation of Salmonella in packaged cherry tomato and impact on background microbiota and quality. Journal of Food Safety. https://doi.org/10.1111/jfs.13035.Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato
                                                        

- (Peer Reviewed Journal)Berrios-Rodriguez, A., Olanya, O.M., Ukuku, D.O., Niemira, B.A., Mukhopadhyay, S., Orellana, L.E. 2022. Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato. Food Science and Technology (Sociedade Brasileira de Food Sci. and Tech) -SBCTA. https://doi.org/10.1590/fst.17622.Strength of Salmonella Attachment on Apple and Tomato Surfaces: Effect of Antimicrobial Treatments on Population Reduction and Inactivation
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2022. Strength of salmonella attachment on apple and tomato surfaces: Effect of antimicrobial treatments on population reduction and inactivation. LWT - Food Science and Technology. https://doi.org/10.1016/j.lwt.2022.113605.Chemical composition and thermogravimetric behaviors of glanded and glandless cottonseed kernels
                                                        

- (Peer Reviewed Journal)He, Z., Nam, S., Zhang, H., Olanya, O.M. 2022. Chemical composition and thermogravimetric behaviors of glanded and glandless cottonseed kernels. Molecules. 27(1). Article 316. https://doi.org/10.3390/molecules27010316.Effects of pulsed light and aerosolized organic acid treatments on inactivation of Salmonella enterica on cherry tomato, reduction of microbial loads, and preservation of quality.
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Olanya, O.M., Sokorai, K.J., Fan, X. 2021. Effects of pulsed light and aerosolized organic acid treatments on inactivation of Salmonella enterica on cherry tomato, reduction of microbial loads, and preservation of quality. Food Control. https://doi.org/10.1016/j.foodcont.2021.108667.Gamma radiation treatment of post-harvest produce for Salmonella enterica reduction on baby carrot and grape tomato

- (Peer Reviewed Journal)Berrios-Rodriguez, A., Olanya, O.M., Niemira, B.A., Ukuku, D.O., Mukhopadhyay, S., Orellana, L. 2022. Gamma radiation treatment of post-harvest produce for Salmonella enterica reduction on baby carrot and grape tomato. Journal of Food Safety. 42(1)e12951:1-10.Effects of processing and storage on the nutrient composition of green vegetable pigeonpea
                                                        

- (Peer Reviewed Journal)Ojwang, D.J., Nyankanga, R.O., Imungi, J., Ganga, R.N., Olanya, O.M., He, Z., Juneja, V.K. 2021. Effects of processing and post-harvest storage on nutrient content of vegetable pigeonpeas. Journal of Food Processing and Preservation. https://doi.org/10.1111/jfpp.15714.Potato Growth and Yield Characteristics under Different
Cropping System Management Strategies in Northeastern U.S.
                                                        

- (Peer Reviewed Journal)Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., He, Z., Halloran, J.M. 2021. Potato growth and yield characteristics under different cropping system management strategies in northeastern U.S. Agronomy Journal. https://doi.org/10.3390/agronomy11010165.Effects of direct and in-package pulsed light treatment on inactivation of E. coli O157:H7 and reduction of microbial loads in romaine lettuce
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokroai, K., Jin, Z.T., Fan, X., Ukuku, D.O., Olanya, O.M., Leng, J., Juneja, V.K. 2021. Effects of direct and in-package pulsed light treatment on inactivation of E. coli O157:H7 and reduction of microbial loads in romaine lettuce. LWT - Food Science and Technology. https://doi.org/10.1016/j.lwt.2020.110710.Pathogen reduction by predatory bacteria and survival of Bdellovibrio bacteriovorus and Escherichia coli on produce and buffer treated with low-dose gamma radiation
                                                        

- (Peer Reviewed Journal)Olanya, O.M., Niemira, B.A., Cassidy, J.M., Boyd, G., Uknalis, J. 2020. Pathogen reduction by predatory bacteria and survival of Bdellovibrio bacteriovorus and Escherichia coli on produce and buffer treated with low-dose gamma radiation. LWT - Food Science and Technology. 130:1-7. https://doi.org/10.1016/j.lwt.2020.109630..Antioxidant activities of the water-soluble fractions of glandless and glanded cottonseed protein
                                                        

- (Peer Reviewed Journal)He, Z., Zhang, D., Olanya, O.M. 2020. Antioxidant activities of the water-soluble fractions of glandless and glanded cottonseed protein. Food Chemistry. 325:126907. https://doi.org/10.1016/j.foodchem.2020.126907.Non-thermal processing techniques for innovative food processing
                                                        

- (Book / Chapter)Oyeyinka, S.A., Olanya, O.M., Ade-Omowaye, B.I., Niemira, B.A. 2020. Non-thermal processing techniques for innovative food processing. Food Science and Technology Trends and Future Prospects. Berlin, Germany: De Gruyter. https://doi.org/10.1515/9783110667462-017.Post-harvest reduction of Escherichia coli 0157:H7 on carrot and tomato by radiation, sanitizer and biocontrol treatments

- (Abstract Only)Survival of desiccation-resistant salmonella on apple slices following antimicrobial immersion treatments and dehydration

- (Peer Reviewed Journal)Gurtler, J., Keller, S.E., Fan, X., Olanya, O.M., Jin, Z.T. 2020. Survival of desiccation-resistant salmonella on apple slices following antimicrobial immersion treatments and dehydration. Journal of Food Protection. 83:902-909.Inactivation of Salmonella in cherry tomato stems cars and quality preservation by pulsed light treatment and antimicrobial wash
                                                        

- (Peer Reviewed Journal)Leng, J., Mukhopadhyay, S., Sokorai, K., Ukuku, D.O., Fan, X., Olanya, O.M., Juneja, V.K. 2019. Inactivation of Salmonella in cherry tomato stems cars and quality preservation by pulsed light treatment and antimicrobial wash. Food Control. 110:107005. https://doi.org/10.1016/j.foodcont.2019.107005.Reduction of Listeria monocytogenes on post-harvest carrot and tomato by radiation, santizer and biocontrol treatments and their combinations
                                                        

- (Peer Reviewed Journal)Rodriguez, A.B., Olanya, O.M., Ukuku, D.O., Niemira, B.A., Orellana, L.E., Mukhopadhyay, S., Cassidy, J.M., Boyd, G. 2019. Reduction of Listeria monocytogenes on post-harvest carrot and tomato by radiation, santizer and biocontrol treatments and their combinations. LWT - Food Science and Technology. 118:1-8.Inactivation of pathogenic bacteria on post-harvest produce by predatory bacteria and hurdle treatments

- (Proceedings)Olanya, O.M., Niemira, B.A., Ukuku, D.O., Mukhopadhyay, S., Uknalis, J. 2019. Inactivation of pathogenic bacteria on post-harvest produce by predatory bacteria and hurdle treatments. UJNR Food & Agricultural Panel Proceedings. UJNR, Page 29-30.A two-step antimicrobial processing intervention for inactivation of bacteria on produce surface

- (Proceedings)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2019. A two-step antimicrobial processing intervention for inactivation of bacteria on produce surface. UJNR Food & Agricultural Panel Proceedings. TSukuba, Ibaraki, Japan., Page 31-31.Nisin based organic acids inactivation of Salmonella on Grape tomatoes: Efficacy of treatment using bioluminescences ATP Assay
                                                        

- (Peer Reviewed Journal)Berrios-Rodriguez, A., Ukuku, D.O., Olanya, O.M., Cassidy, J.M., Orellana, L.E., Mukhopadhyay, S., Niemira, B.A. 2019. Nisin based organic acids inactivation of Salmonella on grape tomatoes: efficacy of treatment using bioluminescences ATP assay. Journal of Food Protection. 83(1):68-74. https://doi.org/10.4315/0362-028X.JFP-19-275.Molecular level comparison of water extractives of maple and oak with negative and positive ion ESI FT-ICR mass spectrometry
                                                        

- (Peer Reviewed Journal)He, Z., Sleighter, R.L., Hatcher, P.G., Liu, S., Wu, F., Zou, H., Olanya, O.M. 2019. Molecular level comparison of water extractives of maple and oak with negative and positive ion ESI FT-ICR mass spectrometry. Journal of Mass Spectrometry. 54(8):655-666. https://doi.org/10.1002/jms.4379.Molecular level comparison of water extractives of maple and oak

- (Proceedings)He, Z., Sleighter, R.L., Hatcher, P.G., Liu, S., Wu, F., Zou, H., Olanya, O.M. 2019. Molecular level comparison of water extractives of maple and oak. In: Proceedings of the 73rd Forest Products Society(FPS) International Convention, June 25-28, 2019, Atlanta, Georgia. 5 p.Inactivation of Salmonella enterica and Listeria monocytogenes on post-harvest tomatoes and carrots by radiation, sanitizer and biocontrol treatments

- (Abstract Only)Olanya, O.M., Rodreguez, A., Niemira, B.A., Ukuku, D.O., Orellana, L., Cassidy, J.M. 2019. Inactivation of Salmonella enterica and Listeria monocytogenes on post-harvest tomatoes and carrots by radiation, sanitizer and biocontrol treatments. Meeting Abstract. (Abstract) South African Assn of Food Science & Technology(SAAFoST) Congress, Sept 1-4, 2019; IN SAAFoST 23rrd Biennial International Congress & Exhibition,  41 pg.Antimicrobial treatments and cold storage inactivates injured salmonella bacteria on melon surfaces and fresh-cut pieces
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2019. Antimicrobial treatments and cold storage inactivates injured salmonella bacteria on melon surfaces and fresh-cut pieces. Journal of Food Processing and Preservation. https://doi.org/10.1111/jfpp.13943.Effect of time and storage temperature on injured salmonella bacteria on honeydew and cantaloupe melons after sanitizing treatments and fresh-cut preparation

- (Peer Reviewed Journal)Cost estimation of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications
                                                        

- (Peer Reviewed Journal)Olanya, O.M., Hoshide, A.K., Oluwatosin, I., Ukuku, D.O., Mukhopadhyay, S., Niemira, B.A., Ayeni, O. 2019. Cost estimation of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications. Food Control. https://doi.org/10.1016/j.foodcont.2019.02.007.Effects of pulsed light and sanitizer wash combination on inactivation of Escherichia coli 0157:H7, microbial loads and apparent quality of spinach leaves
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokorai, K.J., Ukuku, D.O., Fan, X., Olanya, O.M., Juneja, V.K. 2019. Effects of pulsed light and sanitizer wash combination on inactivation of Escherichia coli 0157:H7, microbial loads and apparent quality of spinach leaves. Food Microbiology. 82:127-134. https://doi.org/10.1016/j.fm.2019.01.022.Human and technical dimensions of potato IPM using farmer field schools: CIP and partners' experience with potato late blight management
                                                        

- (Peer Reviewed Journal)Ortiz, O., Nelson, R., Olanya, O.M., Thiele, G., Orrego, R. 2019. Human and technical dimensions of potato IPM using farmer field schools: CIP and partners' experience with potato late blight management. Journal of Integrated Pest Management. 10(1):1-8. https://doi.org/10.1093/jipm/pmz002.Cost assessment of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications

- (Abstract Only)Olanya, O.M., Hoshide, A.K., Oluwatosin, I.A., Ukuku, D.O., Niemira, B.A., Mukhopadhyay, S., Ayeni, O. 2019. Cost assessment of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications. Meeting Abstract. Volume 1, Page 1; IFT Annual Meeting, New Orleans, LA,Efficacy of ATP assay for assessment of bacterial populations on grape tomatoes treated with gamma radiation and novel antimicrobial solution

- (Abstract Only)Survival of Salmonella during apple dehydration as affected by apple cultivar and antimicrobial pretreatment

- (Peer Reviewed Journal)Gurtler, J., Keller, S.E., Fan, X., Olanya, O.M., Jin, Z.T., Camp, M.J. 2019. Survival of Salmonella during apple dehydration as affected by apple cultivar and antimicrobial pretreatment. Journal of Food Protection. 82(4):628-644.Survival and growth of transferred salmonella and aerobic mesophilic bacteria from melon rinds to fresh juices during juices preparation
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M. 2018. Survival and growth of transferred salmonella and aerobic mesophilic bacteria from melon rinds to fresh juices during juices preparation. Frontiers in Sustainable Food Systems. https://doi.org/10.3389/fsufs.2018.00078.Effects of foliar and tuber sprout suppressants on shelf life of ware potatoes under tropical ambient conditions

- (Peer Reviewed Journal)Nyankanga, R.O., Murigi, W.W., Shibairo, S.I., Olanya, O.M., Larkin, R.P. 2018. Effects of foliar and tuber sprout suppressants on shelf life of ware potatoes under tropical ambient conditions. American Journal of Potato Research. Vol.95:539-549.Antimicrobial potential of sophorolipids for anti-acne, anti-dental caries, hide preservation and food safety applications
                                                        

- (Book / Chapter)Ashby, R.D., Solaiman, D., Fan, X., Olanya, O.M. 2018. Antimicrobial potential of sophorolipids for anti-acne, anti-dental caries, hide preservation and food safety applications. In: Fan, X., Ngo, H., and Wu, C. (eds). Natural and Bio-based Antimicrobials for Food Application. ACS Symposium Series. 1287:193-208. https://doi.org/10.1021/bk-2018-1287.ch010.Microbial control and food Preservation: Theory and practice: Principles of food preservation

- (Book / Chapter)Mukhopadhyay, S., Ukuku, D.O., Juneja, V.K., Nayak, B., Olanya, O.M. 2018. Microbial control and food Preservation: Theory and practice: Principles of food preservation. Book Chapter. https://doi.org/10.1016/j.cofs.2018.01.013.Effects of mycorrhizal species on colonization, polyphenol levels, and growth characteristics of Allium porrum
                                                        

- (Peer Reviewed Journal)Malik, N.S., Nunez, A., Mckeever, L., Olanya, O.M. 2018. Effects of mycorrhizal species on colonization, polyphenol levels, and growth characteristics of Allium porrum. Journal of Plant Protection Research. 58(1):83-90. 10.24425/119122.Surface characterization of cottonseed meal products by SEM, SEM-EDS, XRD and XPS analysis

- (Peer Reviewed Journal)He, Z., Cheng, H.N., Olanya, O.M., Uknalis, J., Zhang, X., Koplitz, B.D., He, J. 2018. Surface characterization of cottonseed meal products by SEM, SEM-EDS, XRD and XPS analysis. Journal of Materials Science Research. 7(1):28-40.Inactivation of Salmonella in tomato stem scars by organic acid wash and chitosan-allyl isothiocyanate coating

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokorai, K.J., Ukuku, D.O., Jin, Z.T., Fan, X., Olanya, O.M., Juneja, V.K. 2018. Inactivation of Salmonella in tomato stem scars by organic acid wash and chitosan-allyl isothiocyanate coating. International Journal of Food Microbiology. 266:234-240.Effects of temperature and storage time on inactivation of Listeria monocytogenes, Salmonella enterica, and Escherichia coli 0157:H7 populations by sophorolipid and sanitizer in-vitro and on tomato
                                                        

- (Peer Reviewed Journal)Olanya, O.M., Ukuku, D.O., Solaiman, D., Ashby, R.D., Niemira, B.A., Mukhopadhyay, S. 2018. Effects of temperature and storage time on inactivation of Listeria monocytogenes, Salmonella enterica, and Escherichia coli 0157:H7 populations by sophorolipid and sanitizer in-vitro and on tomato. International Journal of Food Science and Technology. 53:1303-1315. http://doi.org/10.1111/ijfs.13711.Effects of particle size on the morphology and water- and thermo-resistance of washed cottonseed meal-based wood adhesives
                                                        

- (Peer Reviewed Journal)He, Z., Cheng, H.N., Klasson, K.T., Olanya, O.M., Uknalis, J. 2017. Effects of particle size on the morphology and water- and thermo-resistance of washed cottonseed meal-based wood adhesives. Polymers. 9(12):675. https://doi.org/10.3390/polym9120675.Injury and recovery of salmonella, Escherichia coli 0157:H7 and Listeria Monocytogenes on cantaloupe rind surfaces after hyrdogren peroxide and minimal thermal treatment

- (Abstract Only)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2017. Injury and recovery of salmonella, Escherichia coli 0157:H7 and Listeria Monocytogenes on cantaloupe rind surfaces after hyrdogren peroxide and minimal thermal treatment.[Abstract]. International Association for Food Protection., Tampa, Florida., Volume 1, Page 1.Biocontrol interventions for inactivation of foodborne pathogens on produce

- (Abstract Only)Olanya, O.M., Cassidy, J.M. 2017. Biocontrol interventions for inactivation of foodborne pathogens on produce. Meeting Abstract. Volume 1, Page 1.ARS/FSIS Food Safety Workshop, Shepherdstown, WV., 2/21-2/24/17.Addressing the human and technical dimensions of potato IPM using farmer field schools (FFS): CIP and partners' experience on late blight management

- (Proceedings)Ortiz, O., Nelson, R., Olanya, O.M., Thiele, G., Orrego, R., Pradel, W. 2018. Addressing the human and technical dimensions of potato IPM using farmer field schools (FFS): CIP and partners' experience on late blight management. Meeting Abstract. Page 52. In: 9th International IPM Symposium-Improving Health, Environment and Global Sustainabilty,March 19-22, 2018, Baltimore, MD 128 pg.Survival of Salmonella Typhimurium on soybean sprouts after treatment with gaseous chlorine dioxide and biocontrol Pseudomonas bacteria

- (Peer Reviewed Journal)Rodriguez, A., Olanya, O.M., Annous, B.A., Cassidy, J.M., Orellana, L., Niemira, B.A. 2017. Survival of Salmonella Typhimurium on soybean sprouts after treatment with gaseous chlorine dioxide and biocontrol Pseudomonas bacteria. Food Science and Biotechnology. 26:513-520.Research Highlight: Water-extractable organic matter from sandy loam soils

- (Popular Publication)He, Z., Olanya, O.M., Larkin, R.P., Honeycutt, W., Zhao, A. 2016. Research Highlight: Water-extractable organic matter from sandy loam soils. CSA News. 61(12):16.Quantity and nature of water-extractable organic matter from sandy loam soils with potato cropping managements

- (Peer Reviewed Journal)He, Z., Zhang, M., Zhao, A., Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2016. Quantity and nature of water-extractable organic matter from sandy loam soils with potato cropping managements. Agricultural and Environmental Letters. 1:160023-160029.Cumulative and residual effects of different potato cropping system management strategies on soilborne diseases and soil microbial communities over time
                                                        

- (Peer Reviewed Journal)Larkin, R.P., Halloran, J.M., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., He, Z. 2016. Cumulative and residual effects of different potato cropping system management strategies on soilborne diseases and soil microbial communities over time. Plant Pathology. 66:437-449. doi: 10.1111/ppa.12584.Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya

- (Peer Reviewed Journal)Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M., Ukuku, D.O. 2016. Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya. Food Security Journal. 8:757-767.Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Geveke, D.J., Olanya, O.M., Niemira, B.A. 2016. Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces. Journal of Food Protection. doi: 10.4315/0362-028X.JFP-16-046.Yield potential of pigeon pea cultivars

- (Peer Reviewed Journal)Ojwang, D.J., Nyankanga, R.O., Olanya, O.M., Ukuku, D.O., Imungi, J. 2016. Yield potential of pigeon pea cultivars. Subtropical Agriculture and Environments. 67:1-12.Survival of Salmonella enterica on soybean sprouts following treatments with gaseous chlorine dioxide and biocontrol Pseudomonas bacteria

- (Abstract Only)Berrios, A., Olanya, O.M., Annous, B.A., Cassidy, J.M., Orellana, L. 2016. Survival of Salmonella enterica on soybean sprouts following treatments with gaseous chlorine dioxide and biocontrol Pseudomonas bacteria [abstract]. Institute of Food Technologist. p. 60.Cost modeling of biocontrol strains Pseudomonas chlororaphis and P. flurorescens for competitive exclusion of Salmonella enterica on tomatoes

- (Abstract Only)Olanya, O.M., Sites, J.E., Hoshide, A.K. 2016. Cost modeling of biocontrol strains Pseudomonas chlororaphis and P. flurorescens for competitive exclusion of Salmonella enterica on tomatoes. Journal of Food Protection. 79:182-183.Adhesive properties of water washed cottonseed meal on four types of wood

- (Peer Reviewed Journal)He, Z., Chapital, D.C., Cheng, H.N., Modesto, O.O. 2016. Adhesive properties of water washed cottonseed meal on four types of wood. Journal of Adhesion Science and Technology. 30(19):2109-2119.Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces

- (Abstract Only)Ukuku, D.O., Mukhopadhyay, S., Geveke, D.J., Olanya, O.M., Niemira, B.A. 2016. Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces. Meeting Abstract. Volume 1, Page 1.IAFP Annual Meeting.St. Louis, Missouril July 31-August 3, 2016.Growth parameters of vegetable pigeon pea cultivars

- (Popular Publication)Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M. 2016. Growth parameters of vegetable pigeon pea cultivars. HortTechnology. Volume 26: page 5.Cost modeling of pseudomonoas fluorescens and pseudomonoas chlororphis biocontrol for competitive exclusion of salmonella enterica on tomatoes

- (Peer Reviewed Journal)Olanya, O.M., Sites, J.E., Hoshide, A.K. 2016. Cost modeling of pseudomonoas fluorescens and pseudomonoas chlororphis biocontrol for competitive exclusion of salmonella enterica on tomatoes. Biocontrol Science and Technology. 26:651-664.Plant characteristics and growth parameters of vegetable pigeon pea cultivars
                                                        

- (Peer Reviewed Journal)Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M. 2016. Plant characteristics and growth parameters of vegetable pigeon pea cultivars. HortTechnology. 26:97-105.Purification and host specificity of predatory halobacteriovorax isolated from seawater

- (Peer Reviewed Journal)Richards, G.P., Fay, J.P., Uknalis, J., Olanya, O.M., Watson, M.A. 2016. Purification and host specificity of predatory halobacteriovorax isolated from seawater. Applied and Environmental Microbiology. 82(3):922-927.Survival potential of Phytophthora infestans in relation to environmental factors and late blight occurrence

- (Peer Reviewed Journal)Olanya, O.M., Anwar, M., He, Z., Larkin, R.P., Honeycutt, C.W. 2016. Survival potential of Phytophthora infestans in relation to environmental factors and late blight occurrence. Journal of Plant Protection Research. 56:73-81.Potential of predatory bacteria as biocontrol agents for foodborne and plant pathogens

- (Peer Reviewed Journal)Olanya, O.M., Lakshman, D.K. 2015. Potential of predatory bacteria as biocontrol agents for foodborne and plant pathogens. Journal of Plant Pathology. 97:405-417.Adhesive properties of water washed cottonseed meal on poplar, douglas fir, walnut, and white oak

- (Proceedings)He, Z., Chapital, D.C., Olanya, O.M. 2015. Adhesive properties of water washed cottonseed meal on poplar, douglas fir, walnut, and white oak. Proceedings of the 69th Forest Products Society (FPS) International Convention, June 10-12, 2015, Atlanta, GA. Track 1.2.1.Survival, injury and inactivation of human bacterial pathogens in foods: effect of non-thermal treatments

- (Book / Chapter)Ukuku, D.O., Latiful, B., Kassama, L.S., Mukhopadhyay, S., Olanya, O.M. 2015. Survival, injury and inactivation of human bacterial pathogens in foods: effect of non-thermal treatments. Book Chapter. p. 82-96.Incidence of Phytophthora infestans (Mont.) de Bary on potato and tomato in Maine, 2006-2010

- (Peer Reviewed Journal)Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2015. Incidence of Phytophthora infestans (Mont.) de Bary on potato and tomato in Maine, 2006-2010. Journal of Plant Protection Research. 55:58-68.Changes in free polyphenol levels in Satsuma leaves in response to Asian citrus psyllid infestation and water stress

- (Peer Reviewed Journal)Malik, N.S., Perez, J.L., Kunta, M., Olanya, O.M. 2015. Changes in free polyphenol levels in Satsuma leaves in response to Asian citrus psyllid infestation and water stress. Open Agriculture Journal. DOI: 10.2174/1874331501509010001.Effects of Pseudomonas chlororaphis and gaseous chlorine dioxide on the survival of Salmonella enterica on tomatoes

- (Peer Reviewed Journal)Olanya, O.M., Annous, B.A., Taylor, J. 2015. Effects of Pseudomonas chlororaphis and gaseous chlorine dioxide on the survival of Salmonella enterica on tomatoes. International Journal of Food Science and Technology. 50:1102-1108.Effects of gamma irradiation on the survival of Pseudomonas fluorescens inoculated on romaine lettuce

- (Peer Reviewed Journal)Olanya, O.M., Niemira, B.A., Phillips, J.G. 2015. Effects of gamma irradiation on the survival of Pseudomonas fluorescens inoculated on romaine lettuce. LWT - Food Science and Technology. 62:55-61.Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes

- (Peer Reviewed Journal)Olanya, O.M., Taylor, J., Ukuku, D.O., Malik, N.S. 2014. Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes. Biocontrol Science and Technology. 25(4):399-413. DOI:10.1080/09583157.2014.982513.Combining biocontrol with chlorine dioxide and other intervention technologies for inactivation of foodborne pathogens on produce

- (Abstract Only)Olanya, O.M., Annous, B.A. 2014. Combining biocontrol with chlorine dioxide and other intervention technologies for inactivation of foodborne pathogens on produce. Attendance and presentation @ 9th Dubai International Food Safety Conference.Meeting Abstract. 11/9-11/2014, Dubai Conference Center, Dubai, United Arab Emirates.Application of tung oil to improve adhesion strength and water resistance of cottonseed meal and protein adhesives on maple veneer

- (Peer Reviewed Journal)He, Z., Chapital, D.C., Cheng, H.N., Klasson, K.T., Olanya, O.M., Uknalis, J. 2014. Application of tung oil to improve adhesion strength and water resistance of cottonseed meal and protein adhesives on maple veneer. Industrial Crops and Products. 61:398-402.Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J., Mukhopadhyay, S., Olanya, O.M., Juneja, V.K. 2014. Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta. Journal of Food Processing and Technology. 5:385.Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes

- (Abstract Only)Olanya, O.M., Ukuku, D.O. 2014. Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes. Meeting Abstract. IAFP Meeting, Indianapolis, Indiana. Volume 5: Page 44.Potential for bio-control of food-borne pathogens with Bacteriovorax spp. and implications for food safety

- (Abstract Only)Olanya, O.M., Richards, G.P. 2014. Potential for bio-control of food-borne pathogens with Bacteriovorax spp. and implications for food safety. Meeting Abstract. Proceedings of the 3rd International Conference and Exhibition on Food Processing and Technology. Las Vegas, Nevada. 2014. Volume 5: Page 47.Intervention technologies for food safety on minimally processed produce:Perspectives on food-borne and plant pathogens

- (Abstract Only)Olanya, O.M., Niemira, B.A. 2014. Intervention technologies for food safety on minimally processed produce:Perspectives on food-borne and plant pathogens. Meeting Abstract. Proceedings of the 3rd International Conference and Exhibition on Food Processing and Technology. Las Vegas, NV. Volume 5: Page 130.Effects of early and late harvest on agronomic performance and stability of late blight resistant (R-gene free) potato genotypes

- (Peer Reviewed Journal)Nyankanga, R.O., Kiplagat, K.W., Narla, R.D., Shibairo, S.I., Kabira, J.N., Landeo, J.A., Olanya, O.M. 2014. Effects of early and late harvest on agronomic performance and stability of late blight resistant (R-gene free) potato genotypes. Journal of Crop Science and Biotechnology. 17:89-96.Sensitivity of Pseudomonas fluorescens to gamma irradiation following surface inoculations on romaine lettuce and baby spinach

- (Abstract Only)Olanya, O.M., Niemira, B.A., Phillips, J.G. 2014. Sensitivity of Pseudomonas fluorescens to gamma irradiation following surface inoculations on romaine lettuce and baby spinach. Journal of Food Protection Supplement. Meeting Abstract. IAFP Annual Meeting, Indianapolis, Indiana. 8/3 to 8/6, 2014. Volume 71: 104 pg..Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times.

- (Abstract Only)Olanya, O.M., Ukuku, D.O., Niemira, B.A., Taylor, J. 2014. Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times.. Meeting Abstract. IAFP Meeting. Indianapolis, Indiana. Volume 71, Page 67.Relationships of crop and soil management systems to meteorological variables and potato diseases on a Russet burbank cultivar

- (Peer Reviewed Journal)Olanya, O.M., Larkin, R.P., Halloran, J.M., He, Z. 2014. Relationships of crop and soil management systems to meteorological variables and potato diseases on a Russet burbank cultivar. Journal of Agricultural Meteorology of Japan. 70(2):91-104.Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro

- (Peer Reviewed Journal)Olanya, O.M., Ukuku, D.O., Niemira, B.A. 2014. Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro. Food Control. 39:128-134.Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M. 2013. Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes. International Journal of Food, Agriculture, and the Environment. 11(3&4):340-345.Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens

- (Abstract Only)Olanya, O.M., Niemira, B.A., Ukuku, D.O., Annous, B.A., Sommers, C.H. 2013. Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens. The 2nd International Conference and Exhibition on Nutritional Science. Abstract. 3(4):69.Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach

- (Peer Reviewed Journal)Olanya, O.M., Ukuku, D.O., Annous, B.A., Niemira, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. International Journal of Food, Agriculture, and the Environment. 11:86-91.Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach

- (Abstract Only)Olanya, O.M., Ukuku, D.O., Niemira, B.A., Annous, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. Meeting Abstract. Journal of Food Protection, Volume 76 (supplement),Page 35.Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach

- (Abstract Only)Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2013. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Meeting Abstract. IFT13., July 13-16,2013, Chicago, Illinois., Page 104.Economic potential of compost amendment as an alternative to irrigation in Maine potato production systems

- (Peer Reviewed Journal)Halloran, J.M., Larkin, R.P., Defauw, S.L., Olanya, O.M., He, Z. 2013. Economic potential of compost amendment as an alternative to irrigation in Maine potato production systems. American Journal of Plant Sciences. 4:238-245.Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach

- (Peer Reviewed Journal)Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2012. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Journal of Food Safety. 32:492-501.Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens

- (Peer Reviewed Journal)Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens. Journal of Food Protection. 75(11)1912-1919.Differences in modified Morgan phosphorus levels determined by colorimetric and inductively coupled plasma methods

- (Peer Reviewed Journal)He, Z., Zhang, H., Olanya, O.M., Frantz, J.M., Larkin, R.P. 2012. Differences in modified Morgan phosphorus levels determined by colorimetric and inductively coupled plasma methods. Open Journal of Soil Science. 2(3):256-262.Effectiveness of SIMBLIGHT1 and SIMPHYT1 models for predicting Phytophthora infestans in the Northeastern United States

- (Peer Reviewed Journal)Olanya, O.M., Honeycutt, C.W., Tschope, B., Kleinhenz, B., Lambert, D.H., Johnson, S.B. 2012. Effectiveness of SIMBLIGHT1 and SIMPHYT1 models for predicting Phytophthora infestans in the Northeastern United States. Archives of Phytopathology and Plant Protection. 45:1558-1569.Efficacy of fungicide combinations, phosphoric acid, and plant extract from stinging nettle on potato late blight management and tuber yield

- (Peer Reviewed Journal)Nyankanga, R.O., Njogu, M.K., Muthomi, J.W., Olanya, O.M. 2012. Efficacy of fungicide combinations, phosphoric acid, and plant extract from stinging nettle on potato late blight management and tuber yield. Archives of Phytopathology and Plant Protection. 45:1449-1463.Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes

- (Abstract Only)Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes [abstract]. International Association for Food Protection Annual Meeting., July 20-25, 2012, Providence, Rhode Island. 1:1.Impacts of crop rotation and irrigation on soilborne diseases and soil microbial communities

- (Book / Chapter)Larkin, R.P., Honeycutt, C.W., Olanya, O.M., Halloran, J.M., He, Z. 2012. Impacts of crop rotation and irrigation on soilborne diseases and soil microbial communities. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable potato production: global case studies. Amsterdam, The Netherlands: Springer. p. 23-41.Early and late blight potential on Russet Burbank potato as affected by microclimate, cropping systems and irrigation management in North-eastern United States

- (Book / Chapter)Olanya, O.M., Honeycutt, C., He, Z., Larkin, R.P., Halloran, J.M., Frantz, J. 2012. Early and late blight potential on Russet Burbank potato as affected by microclimate, cropping systems and irrigation management in North-eastern United States. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable Potato Production: Global Case Studies. Amsterdam, The Netherlands: Springer. 43-60.Optimization of late blight and bacterial wilt management in potato production systems in the highland tropics of Africa

- (Book / Chapter)Olanya, O.M., Nyankanga, R., Ojiambo, P., Lemaga, B., Kakuhenzire, R., Fontem, D. 2012. Optimization of late blight and bacterial wilt management in potato production systems in the highland tropics of Africa. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable potato production: global case studies. Amsterdam, The Netherlands: Springer. p. 509-531.Comparison of soil phosphorus status and organic matter composition in potato fields with different crop rotation systems

- (Book / Chapter)He, Z., Honeycutt, C., Olanya, O.M., Larkin, R.P., Halloran, J.M., Frantz, J. 2012. Comparison of soil phosphorus status and organic matter composition in potato fields with different crop rotation systems. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable Potato Production: Global Case Studies. Amsterdam, The Netherlands: Springer. 61-79.Effects of microclimate, cropping systems, and irrigation management on early and late blight potential on Russet Burbank potato

- (Proceedings)Olanya, O.M., Honeycutt, C., He, Z., Larkin, R.P., Halloran, J.M., Frantz, J. 2011. Effects of microclimate, cropping systems, and irrigation management on early and late blight potential on Russet Burbank potato. American Society of Agronomy Meetings. October 16-19, 2011, San Antonio, TX.  Paper 67514.Comparing modeled productivity to historical data in New England potato production systems

- (Book / Chapter)Frantz, J., Larkin, R.P., Trusty, G.M., Honeycutt, C., He, Z., Olanya, O.M., Halloran, J.M. 2012. Comparing modeled productivity to historical data in New England potato production systems. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable Potato Production: Global Case Studies. Amsterdam, The Netherlands: Springer. p. 81-85.Use of disease-suppressive Brassica rotation crops in potato production: overview of 10 years of field trials

- (Abstract Only)Larkin, R.P., Olanya, O.M., Halloran, J.M., He, Z., Honeycutt, C. 2011. Use of disease-suppressive Brassica rotation crops in potato production: overview of 10 years of field trials. American Phytopathological Society. 101:S98.Survival potential of Phytophthora infestans sporangia in relation to meteorological factors

- (Abstract Only)Olanya, O.M., Larkin, R.P., He, Z., Jain, S., Honeycutt, C. 2011. Survival potential of Phytophthora infestans sporangia in relation to meteorological factors. American Phytopathological Society Abstracts. 101:6, S132.Use of Brassica and other disease-suppressive rotation crops in potato production systems

- (Abstract Only)Larkin, R.P., Olanya, O.M., Halloran, J.M., He, Z. 2011. Use of Brassica and other disease-suppressive rotation crops in potato production systems [abstract]. Northeast Potato Technology Forum. p. 30.Soil phosphorus changes impacted by potato cropping management

- (Abstract Only)He, Z., Larkin, R.P., Olanya, O.M., Halloran, J.M. 2011. Soil phosphorus changes impacted by potato cropping management. Northeast Potato Technology Forum. March 16-17, 2011; P26.Management of Verticillium wilt of potato with disease-suppressive green manures and as affected by previous cropping history

- (Peer Reviewed Journal)Larkin, R.P., Honeycutt, C.W., Olanya, O.M. 2011. Management of Verticillium wilt of potato with disease-suppressive green manures and as affected by previous cropping history. Plant Disease. 95:568-576.Soil test phosphorus and microbial biomass phosphorus in potato fields

- (Peer Reviewed Journal)He, Z., Honeycutt, C.W., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2011. Soil test phosphorus and microbial biomass phosphorus in potato fields. International Journal of Food, Agriculture, and the Environment. 9(1):540-545.Validation of a tuber blight (Phytophthora infestans) prediction model

- (Peer Reviewed Journal)Nyankanga, R.O., Olanya, O.M., Ojiambo, P.S., Wien, H.C., Honeycutt, C.W., Kirk, W.W. 2011. Validation of a tuber blight (Phytophthora infestans) prediction model. Crop Protection Journal. 30:547-553.Comparative assessment of pest management practices in potato production at farmer field schools

- (Peer Reviewed Journal)Olanya, O.M., Hakiza, J.J., Nelson, R.J., El-Bedewy, R., Namanda, S., Kakuhenzire, R., Wagoire, W.W., Imelda, K., Ngombe, B., Musoke, C., Ewell, P.T. 2010. Comparative assessment of pest management practices in potato production at farmer field schools. Food Security Journal. 2:327-341.Effects of different potato cropping system approaches and water management on soilborne diseases and soil microbial communities

- (Peer Reviewed Journal)Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Halloran, J.M., He, Z. 2010. Effects of different potato cropping system approaches and water management on soilborne diseases and soil microbial communities. Phytopathology. 101:58-67.Soil test and microbial biomass phosphorus levels impacted by potato cropping system and water management

- (Abstract Only)He, Z., Honeycutt, C.W., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2010. Soil test and microbial biomass phosphorus levels impacted by potato cropping system and water management. International Symposium on Phosphorus Dynamics in the Soil Plant Continuum. September 19-23, 2010. CD-ROM.Management of Verticillium wilt with disease-suppressive crop rotations

- (Abstract Only)Larkin, R.P., Honeycutt, C.W., Olanya, O.M. 2010. Management of Verticillium wilt with disease-suppressive crop rotations. American Phytopathology Society. 100:S67.Assessment of SIMBLIGHT1, SIMPHYT1, and NOBLIGHT models for predicting Phytophthora infestans in the northeastern U.S.

- (Abstract Only)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., He, Z. 2010. Assessment of SIMBLIGHT1, SIMPHYT1, and NOBLIGHT models for predicting Phytophthora infestans in the northeastern U.S.. American Phytopathological Society. 100:592.Effects of supplemental irrigation and soil management: effects on potato tuber diseases

- (Peer Reviewed Journal)Olanya, O.M., Porter, G.A., Lambert, D.H., Starr, G.C., Larkin, R.P., Bradbury, B. 2010. Effects of supplemental irrigation and soil management on potato tuber diseases. Plant Pathology. 9:68-72.Occurrence of Phytophthora infestans on potato and tomato hosts

- (Abstract Only)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., He, Z. 2010. Occurrence of Phytophthora infestans on potato and tomato hosts [abstract]. Northeast Potato Technology Forum. p. 40.Update on the use of disease-suppressive crops in potato rotations

- (Abstract Only)Larkin, R.P., Honeycutt, C.W., Olanya, O.M., He, Z. 2010. Update on the use of disease-suppressive crops in potato rotations. Northeast Potato Technology Forum. pages 10-11.Effects of Potato Cropping Systems and Irrigation  on Soil Organic Matter Composition

- (Abstract Only)He, Z., Honeycutt, C.W., Zhang, H., Larkin, R.P., Olanya, O.M. 2010. Effects of Potato Cropping Systems and Irrigation  on Soil Organic Matter Composition. Northeast Potato Technology Forum. P13.Increases of soil phosphatase and urease activities in potato fields by cropping rotation practices

- (Peer Reviewed Journal)He, Z., Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Olanya, O.M., Halloran, J.M. 2010. Increases of soil phosphatase and urease activities in potato fields by cropping rotation practices. Journal of Food Agriculture and Environment. 8:1112-1117.Supplemental irrigation and cultivar effects on potato tuber diseases

- (Peer Reviewed Journal)Olanya, O.M., Porter, G.A., Lambert, D.H. 2010. Supplemental irrigation and cultivar effects on potato tuber diseases. Australian Journal of Crop Science. 4:29-36.Soil phosphatase and urease activities impacted by cropping systems and water management

- (Abstract Only)He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2009. Soil phosphatase and urease activities impacted by cropping systems and water management. American Society of Agronomy Meetings. on-line publication.Efficacy of Fungicide Mixtures for Management of Phytophthora infestans (US-1) on Potato

- (Peer Reviewed Journal)Muchiri, F.N., Narla, R.D., Olanya, O.M., Nyankanga, R.O., Ariga, E.S. 2009. Efficacy of Fungicide Mixtures for Management of Phytophthora infestans (US-1) on Potato. Phytoprotection. 90:19-29.Recent developments and challenges in the mansgement of tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans

- (Review Article)Olanya, O.M., Ojiambo, P.S., Nyankanga, R.O., Honeycutt, C.W., Kirk, W.W. 2009. Recent developments and challenges in the mansgement of tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans. Canadian Journal of Plant Pathology. 31:280-289.Comparison of three soil P tests and their relationship with potato yield

- (Abstract Only)He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2009. Comparison of three soil P tests and their relationship with potato yield. Soil Science Society of America Annual Meeting. Published on CD-Rom.Yield Stability Analysis of Ipomoea batatus L. Cultivars in Diverse Environments

- (Peer Reviewed Journal)Osiru, M., Adipala, E., Olanya, O.M., Kapinga, R., Lemaga, B. 2009. Yield Stability Analysis of Ipomoea batatus L. Cultivars in Diverse Environments. Australian Journal of Crop Science. 3:213-220.Cropping system effects on soilborne potato diseases and soil microbial communities

- (Abstract Only)Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Halloran, J.M., Olanya, O.M., He, Z. 2009. Cropping system effects on soilborne potato diseases and soil microbial communities. Phytopathology. 99:S69.The effect of cropping systems and irrigation management on development of potato early blight

- (Peer Reviewed Journal)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2009. The effect of cropping systems and irrigation management on development of potato early blight. Journal of Plant Pathology. 75:367-375.Fungicide effects on different spore types of Phytophthora infestans

- (Abstract Only)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., He, Z., Halloran, J.M. 2009. Fungicide effects on different spore types of Phytophthora infestans. (abstract) American Phytopathological Society annual meeting. p.741.The role of disease-suppressive rotation crops in managing soilborne potato diseases

- (Abstract Only)Larkin, R.P., Honeycutt, C.W., Olanya, O.M., Griffin, T.S. 2009. The role of disease-suppressive rotation crops in managing soilborne potato diseases. American Journal of Potato Research. 87:130.Development of early and late blight under different cropping systems and irrigation management

- (Abstract Only)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2009. Development of early and late blight under different cropping systems and irrigation management. (abstract) Potato Association of America Proceedings. p. 48.Identifying Constraints to Potato System Sustainability: Soil Test Phosphorus and Soil Microbial Biomass Phosphorus

- (Proceedings)He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2009. Identifying Constraints to Potato System Sustainability: Soil Test Phosphorus and Soil Microbial Biomass Phosphorus. Northeast Potato Technology Forum. Pages 3-6.Identifying constraints to potato system sustainability: soil and plant growth relationships

- (Proceedings)Honeycutt, C.W., Griffin, T.S., Larkin, R.P., He, Z., Olanya, O.M., Halloran, J.M. 2009. Identifying constraints to potato system sustainability: soil and plant growth relationships. Northeast Potato Technology Forum. p. 1.Identifying constraints to potato systems sustainability: Soilborne diseases and soil microbial communities

- (Proceedings)Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Halloran, J.M., Olanya, O.M., He, Z. 2009. Identifying constraints to potato systems sustainability: Soilborne diseases and soil microbial communities. Northeast Potato Technology Forum Proceedings. p. 7.Development of early and late blight under different cropping systems and irrigation management

- (Proceedings)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2009. Development of early and late blight under different cropping systems and irrigation management. Northeast Potato Technology Forum. p. 9.Identifying and reducing constraints to potato productivity

- (Abstract Only)Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2009. IDENTIFYING AND REDUCING CONSTRAINTS TO POTATO PRODUCTIVITY. Maine Potato Conference Abstracts. Page 23.Infection Potential of Hairy Nightshade (Solanum sarrachoides) by Phytophthora Infestans and Late Blight Implications of the Alternate Host

- (Peer Reviewed Journal)Olanya, O.M., Plant, A.B., Larkin, R.P., Honeycutt, C.W. 2009. Infection Potential of Hairy Nightshade (Solanum sarrachoides) by Phytophthora Infestans and Late Blight Implications of the Alternate Host. Journal of Phytopathology. 157:427-437.Identifying Constraints to Potato System Sustainability: Soils

- (Proceedings)Honeycutt, C.W., Griffin, T.S., He, Z., Larkin, R.P., Olanya, O.M., Halloran, J.M. 2008. Identifying Constraints to Potato System Sustainability: Soils. Potato Association of America Proceedings. CD-ROM.Identifying Constraints to Potato Cropping System Sustainability

- (Abstract Only)Honeycutt, C.W., Griffin, T.S., Larkin, R.P., He, Z., Olanya, O.M., Halloran, J.M. 2008. Identifying Constraints to Potato Cropping System Sustainability. American Society of Agronomy Abstracts. Published on CD-Rom.Modifying Potato Systems to Reduce Yield Constraints

- (Abstract Only)Griffin, T.S., Honeycutt, C.W., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2008. Modifying Potato Systems to Reduce Yield Constraints. American Society of Agronomy Branch Meeting. CD-ROM.Effects of Mulch and Potato Hilling on Development of Foliar Blight (Phytophthora infestans) and Control of Tuber Blight Infection

- (Peer Reviewed Journal)Nyankanga, R.O., Wien, H.C., Olanya, O.M. 2008. Effects of Mulch and Potato Hilling on Development of Foliar Blight (Phytophthora infestans) and Control of Tuber Blight Infection. Potato Research. 51:101-111.Stability of Sweet Potato Cultivars to Alternaria Leaf and Stem Blight Disease

- (Peer Reviewed Journal)Osiru, M., Olanya, O.M., Adipala, E., Lemaga, B., Kapinga, R. 2009. Stability of Sweet Potato Cultivars to Alternaria Leaf and Stem Blight Disease. Journal of Phytopathology. 157:172-180.Identifying Constraints to Potato System Sustainability: Diseases

- (Proceedings)Larkin, R.P., Olanya, O.M., Griffin, T.S., Honeycutt, C.W., He, Z., Halloran, J.M. 2008. Identifying Constraints to Potato System Sustainability: Diseases. Potato Association of America Proceedings. CD-ROM.Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential

- (Abstract Only)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2008. Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential. American Phytopathological Society Abstracts. 98:S115.Development of Tuber Blight (Phytophthora infestans) on Potato Cultivars Based on In-Vitro Assays and Field Evaluations

- (Peer Reviewed Journal)Nyankanga, R.O., Olanya, O.M., Wien, H.C., El-Bedewy, R., Ojiambo, P.S., Karinga, J. 2008. Development of Tuber Blight (Phytophthora infestans) on Potato Cultivars Based on In-Vitro Assays and Field Evaluations. HortScience.43:1501-1508.Enhancing Potato System Sustainability: Storage and Cycling of Carbon and Plant Nutrients in Soil

- (Proceedings)Griffin, T.S., Honeycutt, C.W., He, Z., Larkin, R.P., Halloran, J.M., Olanya, O.M. 2008. Enhancing Potato System Sustainability: Storage and Cycling of Carbon and Plant Nutrients in Soil. Northeast Potato Technology Forum Abstracts. CD-ROM.Enhancing Potato System Sustainability: Assessing the Economic Potential of Alternative Systems

- (Abstract Only)Halloran, J.M., Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Olanya, O.M., He, Z. 2008. Enhancing Potato System Sustainability: Assessing the Economic Potential of Alternative Systems. Northeast Potato Technology Forum Abstracts. CD-ROM.Enhancing Potato System Sustainability: Soilborne Diseases and Soil Microbial Communities

- (Abstract Only)Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Halloran, J.M., Olanya, O.M., He, Z. 2008. Enhancing Potato System Sustainability: Soilborne Diseases and Soil Microbial Communities. Northeast Potato Technology Forum Abstracts. CD-ROM.Enhancing Potato System Sustainability: Project Overview, Plant Growth, and Yield

- (Abstract Only)Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2008. Enhancing Potato System Sustainability: Project Overview, Plant Growth, and Yield. Northeast Potato Technology Forum Abstracts. CD-ROM.Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential

- (Abstract Only)Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2008. Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential. Northeast Potato Technology Forum Abstracts.Enhancing Potato System Sustainability: Crop Rotation Impacts on Soil Phosphatase Activity

- (Abstract Only)He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2008. Enhancing Potato System Sustainability: Crop Rotation Impacts on Soil Phosphatase Activity. Northeast Potato Technology Forum Abstracts. p. 47-51.Leaf Petiole and Stem Blight Disease of Sweet Potato Caused by Alternaria Bataticola in Uganda

- (Research Notes)Osiru, M., Adipala, E., Olanya, O.M., Paula, K., Lemaga, B., Kapinga, R. 2008. Leaf Petiole and Stem Blight Disease of Sweet Potato Caused by Alternaria Bataticola in Uganda. Plant Pathology.  7:118-119Capillary Electrophoresis and Fluorescence Excitation-Emission Matrix Spectroscopy for Characterization of Humic Substances

- (Peer Reviewed Journal)He, Z., Ohno, T., Wu, F., Olk, D.C., Honeycutt, C.W., Olanya, O.M. 2008. Capillary Electrophoresis and Fluorescence Excitation-Emission Matrix Spectroscopy for Characterization of Humic Substances. Soil Science Society of America Journal. 72:1248-1255.Addressing Constraints to Potato Productivity

- (Proceedings)Griffin, T.S., Honeycutt, C.W., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2008. Addressing Constraints to Potato Productivity. Maine Potato Conference Abstracts. CD-ROM.EVALUATION OF POTATO CLONES FOR RESISTANCE TO STEM CANKER AND TUBER BLACK SCURF IN FIELD STUDIES FOLLOWING ARTIFICIAL INOCULATION WITH RHIZOCTONIA SOLANI AG-3 IN MAINE

- (Peer Reviewed Journal)Olanya, O.M., Reeves, A.F., Lambert, D.H., Porter, G.A. 2007. Evaluation of potato breeding lines for resistance to stem canker and tuber black scurf in field studies following artificial inoculation with rhizoctonia solani ag-3 in maine. Archives of Phytopathology and Plant Protection. 2007 On Line. p. 1-10. 2009 42:409-418.RELATIONSHIP BETWEEN INCIDENCE OF LATE BLIGHT TUBER ROT, FOLIAGE BLIGHT CONTROL AND THE EFFECT OF WEATHER AND SOIL VARIABLES

- (Peer Reviewed Journal)Nyankanga, R.O., Wein, H.C., Olanya, O.M. 2008. Relationship between incidence of late blight tuber rot, foliage blight control and the effect of weather and soil variables. Canadian Journal of Plant Pathology. 29:372-382.Soil Water in Relation to Irrigation, Uptake, and Potato Yield in a Humid Climate

- (Peer Reviewed Journal)Starr, G.C., Rowland, D., Griffin, T.S., Olanya, O.M. 2008. Soil Water in Relation to Irrigation, Uptake, and Potato Yield in a Humid Climate. Agricultural Water Management. 95:292-300.YIELD STABILITY ANALYSIS OF LATE BLIGHT RESISTANT POTATO SELECTIONS

- (Peer Reviewed Journal)Mulema, J.M., Adipala, E., Olanya, O.M., Hakiza, J.J. 2008. Yield stability analysis of late blight resistant potato selections. Experimental Agriculture.  44:145-155.Infection Potential of Hairy Nightshade By Phytophthora infestans and Epidemiological Implications of the Alternate Host

- (Abstract Only)Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2007. Infection Potential of Hairy Nightshade By Phytophthora infestans and Epidemiological Implications of the Alternate Host. American Phytopathological Society Abstracts. Vol 97 (7): S87, 2007Effects of Different Soil and Crop Management Strategies on Soil Microbial Communities and Soilborne Diseases of Potato

- (Abstract Only)Larkin, R.P., Griffin, T.S., Olanya, O.M., Starr, G.C., Honeycutt, C.W. 2007. Effects of Different Soil and Crop Management Strategies on Soil Microbial Communities and Soilborne Diseases of Potato. American Phytopathological Society Abstracts. Vol. 97(7): S61, 2007Schematic Models for Potato Tuber Blight Infection Based on Foliar Blight Severity, Cultivar Resistance, Soil and Atmospheric Variables

- (Abstract Only)Nyankanga, R.O., Olanya, O.M., Wein, H.C. 2007. Schematic Models for Potato Tuber Blight Infection Based on Foliar Blight Severity, Cultivar Resistance, Soil and Atmospheric Variables. Northeast Potato Technology Forum Abstracts. Pg. 86Temperature, Relative Humidity and Pathogen Factors Influencing Phytophthora Infestans Development on Hairy Nightshade

- (Abstract Only)Olanya, O.M., Plant, A.B., Larkin, R.P., Honeycutt, C.W. 2007. Temperature, Relative Humidity and Pathogen Factors Influencing Phytophthora Infestans Development on Hairy Nightshade. Northeast Potato Technology Forum Abstracts. Pg. 48Characterization of IHSS Natural Organic Matter by Capillary Electrophoresis and Flourescence Spectroscopy

- (Abstract Only)He, Z., Ohno, T., Wu, F., Olk, D.C., Honeycutt, C.W., Olanya, O.M. 2007. Characterization of IHSS Natural Organic Matter by Capillary Electrophoresis and Flourescence Spectroscopy. American Chemical Society Abstracts. 10th Anniversary Humic Science and Technology Conference Abstracts; page 27MICROCLIMATE AND POTENTIAL FOR LATE BLIGHT DEVELOPMENT IN IRRIGATED POTATO

- (Peer Reviewed Journal)Olanya, O.M., Starr, G.C., Honeycutt, C.W., Griffin, T.S., Lambert, D.H. 2007. Microclimate and potential for late blight development in irrigated potato. Crop Protection Journal. 26:1412-1421GLYCOALKALOID CONTENT OF SOME SUPERIOR POTATO (SOLANUM TUBEROSUM L.) CLONES AND COMMERCIAL CULTIVARS

- (Peer Reviewed Journal)Kirui, K.G., Misra, A.K., Olanya, O.M., El-Bedewy, R., Ewell, P.T., Friedman, M. 2007. Glycoalkaloid content of some superior potato (solanum tuberosum l.) clones and commercial varieties. Archives of Phytopathology and Plant Protection. 2007 on line. p. 1-11. 2009 42:453-463.EFFECTS OF PEST AND SOIL MANAGEMENT SYSTEMS ON POTATO DISEASES

- (Peer Reviewed Journal)Olanya, O.M., Lambert, D.H., Porter, G.A. 2006. Effects of Pest and Soil Management Systems on Potato Diseases. American Journal of Potato Research. 83:397-408.DISTRIBUTUION OF HAIRY NIGHTSHADE IN MAINE POTATO AGRO-ECOSYSTEMS AND POTENTIAL RISKS OF INFECTION BY PHYTOPHTHORA INFESTANS

- (Abstract Only)Olanya, O.M., Plant, A.B., Larkin, R.P., Lambert, D.H. 2006. Distributuion of hairy nightshade in maine potato agro-ecosystems and potential risks of infection by phytophthora infestans. Northeast Potato Technology Forum Abstracts.  CD-ROMEFFICACY OF ESSENTIAL OILS AND BIOPESTICIDES ON PHYTOPHTHORA INFESTANS SUPPRESSION IN LABORATORY AND GROWTH CHAMBER STUDIES

- (Peer Reviewed Journal)Olanya, O.M., Larkin, R.P. 2006. Efficacy of Essential Oils and Biopesticides on Phytophthora Infestans Suppression in Laboratory and Growth Chamber Studies. Biocontrol Science and Technology; 16:901-917.LATE BLIGHT DEVELOPMENT ON HAIRY NIGHTSHADE AND POTENTIAL DISEASE RISKS

- (Abstract Only)Olanya, O.M., Plant, A.B., Larkin, R.P., Lambert, D.H. 2006. Late blight development on hairy nightshade and potential disease risks. Maine Potato Conference Abstracts. Page 20.DYNAMICS OF DEVELOPMENT OF LATE BLIGHT (PHYTOPHTHORA INFESTANS) IN POTATO, AND COMPARATIVE RESISTANCE OF CULTIVARS IN THE HIGHLAND TROPICS

- (Peer Reviewed Journal)Olanya, O.M., Ojiambo, P.S., Nyankanga, R.O. 2006. Dynamics of Development of Late Blight (Phytophthora Infestans) in Potato, and Comparative Resistance of Cultivars in the Highland Tropics. Canadian Journal of Plant Pathology. 28:84-94.FARMERS' PERCEPTION OF AGRONOMIC PRACTICES ASSOCIATED WITH POTATO PRODUCTION IN THE HIGHLAND TROPICS AND THE IMPACTS OF FIELD SCHOOL PARTICIPATION

- (Abstract Only)Olanya, O.M., Hakiza, J.J., Akem, C.N., Imelda, I., El-Bedewy, R. 2005. Farmers' perception of agronomic practices associated with potato production in the highland tropics and the impacts of field school participation. Australian Plant Pathology. Conference Handbook of Abstracts, Deakin University Waterfront Campus, Geelong, Victoria, Australia, September 26, 2005, pg 176EFFECTS OF TEMPERATURE AND RELATIVE HUMIDITY ON DEVELOPMENT OF LATE BLIGHT INCITED BY PHYTOPHTHORA INFESTANS ISOLATES FROM DIVERSE GENOTYPES AND HOSTS

- (Abstract Only)Olanya, O.M., Larkin, R.P. 2005. Effects of temperature and relative humidity on development of Late Blight incited by phytophthora Infestans isolates from diverse genotypes and hosts. American Phytopathological Society Abstracts. July 2005; v. 95. p. S77.RELEASE OF FOUR LATE BLIGHT TOLERANT POTATO VARIETIES IN KENYA

- (Peer Reviewed Journal)Lung'Aho, C., Nderitu, S.N., Kabira, J.N., Walingo, A., Olanya, O.M. 2005. Yield performand and release of four late blight tolerant potato varieties in Kenya. Journal of Agronomy and Crop Science. 5 (1): 57-61OCCURRENCE AND CROSS-INFECTION OF PHYTOPHTHORA INFESTANS ON HAIRY NIGHTSHADE (SOLANUM SARRACHOIDES) AND POTATO (SOLANUM TUBEROSUM) IN MAINE

- (Research Notes)Olanya, O.M., Lambert, D.H., Plant, A.B. 2005. Occurrence and cross-infection of phytophthora infestans on hairy nightshade (solanum sarrachoides) and potato (solanum tuberosum) in maine. Canadian Journal of Plant Pathology. v 27: p458-460.SEED-PLOT TECHNIQUE: EMPOWERMENT OF FARMERS IN PRODUCTION OF BACTERIAL WILT-FREE SEED IN KENYA AND UGANDA

- (Book / Chapter)Kinyua, Z.M., Olanya, O.M., El-Bedewy, R., Smith, J.J., Crissman, C. 2005. Seed-plot technique: empowerment of farmers in production of bacterial wilt-free seed in kenya and uganda. Bacterial Wilt, The Disease and Ralstonia Solanacearum Species Complex. APS Press, St. Paul, Minnesota, USA, pg 510OCCURRENCE OF PHYTOPHTHORA INFESTANS ON HAIRY NIGHTSHADE IN MAINE: DISEASE IMPLICATIONS OF ISOLATES FROM DIVERGENT HOSTS AND GENOTYPES

- (Abstract Only)Olanya, O.M., D. H., L., A, P. 2005. Occurrence of phytophthora infestans on hairy nightshade in maine: disease implications of isolates from divergent hosts and genotypes. Northeast Potato Technology Forum Abstracts. Page 58MICROCLIMATIC PARAMETERS AND POTENTIAL FOR LATE BLIGHT DEVELOPMENT IN IRRIGATED POTATO IN MAINE

- (Abstract Only)Olanya, O.M., Starr, G.C. 2005. Microclimatic parameters and potential for late blight development in irrigated potato in maine. Northeast Potato Technology Forum Abstracts. p. 66; Fredericton, New Brunswick, CanadaPATHOGENICITY AND METALAXYL SENSITIVITY OF PHYTOPHTHORA INFESTANS ISOLATES OBTAINED FROM GARDEN HUCKLEBERRY, POTATO AND TOMATO IN CAMEROON

- (Peer Reviewed Journal)Fontem, D.A., Olanya, O.M., Tsopmbeng, G.R., Owona, M.P. 2005. Pathogenicity and metalaxyl sensitivity of phytophthora infestans isolates obtained from garden huckleberry, potato and tomato in cameroon. Crop Protection Journal. Volume 24; pages 449-456POTATO PRODUCTION IN THE TROPICS: CONSTRAINTS, FUNGICIDE USE, AND THE IMPACT OF IPM STRATEGIES

- (Trade Journal)Olanya, O.M., Hakiza, J.J., Crissman, C.C. Potato production in the tropics: constraints, fungicide use, and the impact of ipm strategies. Outlooks on Pest Management.  pg 181-184ASSESSMENT AND STABILITY OF LATE BLIGHT RESISTANCE IN POPULATION B POTATO CLONES IN UGANDA

- (Peer Reviewed Journal)Mulema, J.K., Olanya, O.M., Adipala, E., Wagoire, W.W. 2005. Stability of late blight resistance in population B potato clones. Potato Research. 47: 11-24REACTION OF CERTAIN SOLANACEOUS AND ASTERACEOUS PLANT SPECIES TO INOCULATION WITH PHYTOPHTHORA INFESTANS IN CAMEROON

- (Peer Reviewed Journal)Fontem, D.A., Njualem, B.F., Olanya, O.M. 2004. Reaction of certain solanaceous and asteraceous plant species to inoculation with phytophthora infestans in cameroon. Journal of Phytopathology. 154: 331-336FUNGICIDE APPLICATION AND HOST RESISTANCE FOR POTATO LATE BLIGHT MANAGEMENT: BENEFITS ASSESSMENT FROM ON-FARM STUDIES IN S.W. UGANDA

- (Peer Reviewed Journal)Namanda, S., Olanya, O.M., Adipala, E., Hakiza, J.J. 2004. Fungicide application and host resistance for potato late blight management: benefits assessment from on-farm studies in s.w. uganda. Crop Protection Journal. 23: 1075-1083COMPARISON OF LATE BLIGHT SUPPRESSION BY NATURAL PRODUCTS AND THE IMPACT OF GENOTYPE DIVERSITY ON DISEASE DEVELOPMENT AND CONTROL

- (Abstract Only)Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2004. Comparison of late blight suppression by natural products and the impact of genotype diversity on disease development and control. American Phytopathological Society Abstracts.vol 94 (6): pg S77-S78.  (#P-2004-0525-AMA)SUPPRESSION OF PHYTOPHTHORA INFESTANS BY ESSENTIAL OILS AND NATURAL PRODUCTS IN LAB ASSAYS AND GROWTH CHAMBER STUDIES

- (Abstract Only)Olanya, O.M., Larkin, R.P. 2004. Suppression of phytophthora infestans by essential oils and natural products in lab assays and growth chamber studies. Northeast Potato Technology Forum Abstracts. pg 29FARMERS' CULTURAL PRACTICES AND MANAGEMENT OF POTATO LATE BLIGHT IN KENYA HIGHLANDS: IMPLICATIONS FOR DEVELOPMENT OF INTEGRATED DISEASE MANAGEMENT

- (Peer Reviewed Journal)Nyankanga, R.O., Wein, H.C., Olanya, O.M., Ojiambo, P.S. 2004. Farmers' cultural practices and management of potato late blight in kenya highlands: implications for development of integrated disease management. International Journal of Pest Management.  50 (2) : 135-144
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