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                    U.S. DEPARTMENT OF AGRICULTURE
 Horticultural Crops Production and Genetic Improvement Research Unit: Corvallis, OR
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Roger P Schreiner

(Paul)    Plant Physiologist /ARSUserFiles/5018/Schreiner Photos/paul NPK1 cropped.jpg3420 NW Orchard AveCorvallis, OR 97330(541) 738-4084
 Paul’s research focuses on grapevine physiology, nutrition, and symbiosis with arbuscular mycorrhizal fungi (AMF) in order to develop sustainable practices that promote plant and soil health and improve fruit quality.  /ARSUserFiles/5018/Schreiner Photos/use on site/CH N Trial above west.jpg A Chardonnay vineyard in the Willamette Valley where soil and foliar nitrogen applications were recently studied.  /ARSUserFiles/5018/Schreiner Photos/use on site/Pinot arbuscules4.jpg A Pinot noir root that was cleared and stained showing intense colonization by symbiotic, arbuscular mycorrhizal fungi (in blue). Arbuscules (tree-like structures) are complex structures formed by both the plant and fungus that facilitate nutrient transfer between symbionts.  /ARSUserFiles/5018/Schreiner Photos/use on site/Std VS. Wide VSP WH 2019.jpg Canopy shape in Traditional VSP (vertical shoot positioning) and Wide VSP training system under study to examine if increasing midday sunlight interception can improve productivity and quality of Pinot noir.
 ProjectsBuild Accessible, Available Communications to Share Best Practices and Research Relating to Smoke Exposure and Impact on Winegrapes.Cooperative Agreement (A)Accession Number:445130Water and Nutrient Management for Sustainable Production of Small Fruit and Nursery CropsIn-House Appropriated (D)Accession Number:438039Understanding the Onset of Systemic Infection of Red Blotch Virus & Phenotypic Studies of Grapevines Expressing a Red Blotch Virus Infectious CloneGrant (G)Accession Number:438662Optimizing Water Use for Winegrapes with Sensor-controlled Subsurface IrrigationGrant (G)Accession Number:440195Taking Proof of Concept to Wide-scale Field Use: The OSU High-performance DendrometerGrant (G)Accession Number:440216Testing Drought and Heat Mitigation Strategies for VineyardsGrant (G)Accession Number:442825The Yield-Quality Paradigm: Using Long-Term, Multi-Vineyard Data to Understand Yield Management into the FutureGrant (G)Accession Number:442863Heat Stress in Wine Grapes: Acclimation and Potential MitigationGrant (G)Accession Number:437066Evaluating Rootstocks for Cool-Climate White Wine Grape ProductionGrant (G)Accession Number:444951Investigating Native Populations of Biocontrol Agents from PNW Vineyards towards Developing Region Specific Biocontrol for Grapevine DiseasesGrant (G)Accession Number:444952High-Resolution Vineyard Nutrient ManagementReimbursable Cooperative Agreement (R)Accession Number:439439Assessment of Risk to Grape and Wine Quality from Smoke Exposure and Evaluation of Methods for Mitigation Smoke Exposure ImpactsNon-Assistance Cooperative Agreement (S)Accession Number:438405Examining Short and Long-term Economic Impacts of Smoke Events on the Wine IndustryNon-Assistance Cooperative Agreement (S)Accession Number:443195Develop Dose Response Metrics of Smoke Exposure that Alters Vine Physiology and Fruit CompositionNon-Assistance Cooperative Agreement (S)Accession Number:445116  Publications(Clicking on the reprint iconReprint Icon  will take you to the publication reprint.)Vineyard soil texture and pH effects on Meloidogyne hapla and
Mesocriconema xenoplax-(Peer Reviewed Journal) East, K.E., Zasada, I.A., Lee, J., Schreiner, R.P., Rippner, D.A. 2023. Vineyard soil texture and pH effects on Meloidogyne hapla and Mesocriconema xenoplax. Agrosystems, Geosciences & Environment. 6:e20450. https://doi.org/10.1002/agg2.20450.Managing arbuscular mycorrhizal fungi in arid Columbia Basin vineyards of the Pacific Northwest United States-(Peer Reviewed Journal) Schreiner, R.P., Moyer, M.M., East, K.E., Zasada, I.A. 2023. Managing arbuscular mycorrhizal fungi in arid Columbia Basin vineyards of the Pacific Northwest United States. American Journal of Enology and Viticulture. 74(1). Article 074002. https://doi.org/10.5344/ajev.2023.23005.Managing nutrient inputs and arbuscular mycorrhizal fungi in vineyards-(Abstract Only)The influence of nitrogen, potassium, and magnesium vineyard applications on vine nutrient status and productivity-(Abstract Only)Performance of taxonomically diverse native isolates of mycorrhizal fungi in symbiosis with young grapevines-(Peer Reviewed Journal) Schreiner, R.P., Tian, T. 2022. Performance of taxonomically diverse native isolates of mycorrhizal fungi in symbiosis with young grapevines. HortScience. 57(9):1135-1144. https://doi.org/10.21273/HORTSCI16648-22.Fertilize or supplement: The impact of nitrogen on vine productivity and wine sensory properties in Chardonnay-(Peer Reviewed Journal) Tian, T., Ruppel, M., Osborne, J., Tomasino, E., Schreiner, R.P. 2022. Fertilize or supplement: The impact of nitrogen on vine productivity and wine sensory properties in Chardonnay. American Journal of Enology and Viticulture. 73(3):148-161. https://doi.org/10.5344/ajev.2022.21044.Irrigation and rootstocks to manage northern root-knot nematode during wine grape vineyard establishment-(Peer Reviewed Journal) East, K.E., Zasada, I.A., Schreiner, R.P., Moyer, M.M. 2021. Irrigation and rootstocks to manage northern root-knot nematode during wine grape vineyard establishment. Plant Health Progress. 23(1):49-56. https://doi.org/10.1094/PHP-06-21-0097-RS.Assessing commercial and early-seral arbuscular mycorrhizal fungi inoculation to aid in restoring sagebrush steppe shrubs-(Peer Reviewed Journal) Prado-Tarango, D.E., Mata-Gonzalez, R., Hovland, M., Schreiner, R.P. 2021. Assessing commercial and early-seral arbuscular mycorrhizal fungi inoculation to aid in restoring sagebrush steppe shrubs. Rangeland Ecology and Management. 79:87-90. https://doi.org/10.1016/j.rama.2021.08.001.Nitrate uptake and transport properties of two grapevine rootstocks with varying vigor-(Peer Reviewed Journal) Rossdeutsch, L., Schreiner, R.P., Skinkis, P.A., Deluc, L. 2021. Nitrate uptake and transport properties of two grapevine rootstocks with varying vigor. Frontiers in Plant Science. 11. Article 608813. https://doi.org/10.3389/fpls.2020.608813.Appropriate time of day to measure leaf and stem water potential in vineyards using vertical shoot positioning-(Peer Reviewed Journal) Tian, T., Schreiner, R.P. 2021. Appropriate time of day to measure leaf and stem water potential in vineyards using vertical shoot positioning. American Journal of Enology and Viticulture. 72(1):64-72. https://doi.org/10.5344/ajev.2020.20020.Utility of dormant season pruning wood to predict nutrient status of grapevines-(Peer Reviewed Journal) Schreiner, R.P. 2021. Utility of dormant season pruning wood to predict nutrient status of grapevines. Journal of Plant Nutrition. 44(2):238-251. https://doi.org/10.1080/01904167.2020.1806311.Depth structures the community of arbuscular mycorrhizal fungi amplified from grapevine (Vitis vinifera L.) roots-(Peer Reviewed Journal) Schreiner, R.P. 2020. Depth structures the community of arbuscular mycorrhizal fungi amplified from grapevine (Vitis vinifera L.) roots. Mycorrhiza. 30:149-160. https://doi.org/10.1007/s00572-020-00930-6.Potassium requirements for Pinot noir grapevines-(Peer Reviewed Journal) Schreiner, R.P., Osborne, J. 2019. Potassium requirements for Pinot noir grapevines. American Journal of Enology and Viticulture. 71(1):33-43. https://doi.org/10.5344/ajev.2019.19043.Managing mycorrhizal fungi and soil health in vineyards: Pre-plant and post-plant considerations-(Trade Journal) Schreiner, R.P. 2019. Managing mycorrhizal fungi and soil health in vineyards: Pre-plant and post-plant considerations. Wine Business Monthly. Aug 2019 Issue.Fungal facilitation in rangelands: do arbuscular mycorrhizal fungi mediate resilience and resistance in sagebrush steppe-(Peer Reviewed Journal) Hovland, M., Mata-González, R., Schreiner, R.P., Rodhouse, T.J. 2019. Fungal facilitation in rangelands: do arbuscular mycorrhizal fungi mediate resilience and resistance in sagebrush steppe. Rangeland Ecology and Management. 72(4):678-691. https://doi.org/10.1016/j.rama.2019.02.004.Developmental dynamics of Meloidogyne hapla in Washington wine grapes-(Peer Reviewed Journal) East, K.E., Zasada, I.A., Schreiner, R.P., Moyer, M.M. 2019. Developmental dynamics of Meloidogyne hapla in Washington wine grapes. Plant Disease. 103(5):966-971. https://doi.org/10.1094/PDIS-07-18-1195-RE.Developing a model system to identify main mechanisms involved in nitrogen growth responses of grafted grapevines-(Proceedings)Effects of soil NPK supply on Pinot Noir wine phenolics and aroma composition-(Peer Reviewed Journal) Yuan, F., Schreiner, R.P., Osborne, J., Qian, M. 2018. Effects of soil NPK supply on Pinot Noir wine phenolics and aroma composition. American Journal of Enology and Viticulture. 69(4):371-385. https://doi.org/10.5344/ajev.2018.17077.Defining phosphorus requirements for Pinot noir grapevines-(Peer Reviewed Journal) Schreiner, R.P., Osborne, J. 2018. Defining phosphorus requirements for Pinot noir grapevines. American Journal of Enology and Viticulture. 69(4):351-359. https://doi.org/10.5344/ajev.2018.18016.Soil nitrogen, phosphorous, and potassium alter ß-Damascenone and other volatiles in Pinot noir berries-(Peer Reviewed Journal) Yuan, F., Schreiner, R.P., Qian, M. 2018. Soil nitrogen, phosphorous, and potassium alter ß-Damascenone and other volatiles in Pinot noir berries. American Journal of Enology and Viticulture. 69:157-166. https://doi.org/10.5344/ajev.2017.17071.Nitrogen requirements of Pinot noir based on growth parameters, must composition, and fermentation behavior-(Peer Reviewed Journal) Schreiner, R.P., Osborne, J., Skinkis, P. 2018. Nitrogen requirements of Pinot noir based on growth parameters, must composition, and fermentation behavior. American Journal of Enology and Viticulture. 69:45-58. https://doi.org/10.5344/ajev.2017.17043.Arbuscule frequency in grapevine roots is more responsive to reduction in photosynthetic capacity than to increased levels of shoot phosphorus-(Peer Reviewed Journal) Schreiner, R.P., Scagel, C.F. 2016. Arbuscule frequency in grapevine roots is more responsive to reduction in photosynthetic capacity than to increased levels of shoot phosphorus. Journal of the American Society for Horticultural Science. 141(2):151-161.Leaf blade versus petiole nutrient tests as predictors of nitrogen, phosphorus, and potassium status of ‘Pinot noir’ grapevines-(Peer Reviewed Journal) Schreiner, R.P., Scagel, C.F. 2017. Leaf blade versus petiole nutrient tests as predictors of nitrogen, phosphorus, and potassium status of ‘Pinot noir’ grapevines. HortScience. 52(1):174–184. doi: 10.21273/HORTSCI11405-16.Nutrient uptake and distribution in young Pinot noir grapevines over two seasons-(Peer Reviewed Journal) Schreiner, R.P. 2016. Nutrient uptake and distribution in young Pinot noir grapevines over two seasons. American Journal of Enology and Viticulture. 67:436-448. doi: 10.5344/ajev.2016.16019.Host status of own-rooted Vitis vinifera varieties to Meloidogyne hapla-(Peer Reviewed Journal)Impact of grapevine (Vitis vinifera) varieties on reproduction of the northern root-knot nematode (Meloidogyne hapla)-(Peer Reviewed Journal) Howland, A.D., Skinkis, P.A., Wilson, J.H., Riga, E., Pinkerton, J.N., Schreiner, R.P., Zasada, I.A. 2015. Impact of grapevine (Vitis vinifera) varieties on reproduction of the northern root-knot nematode (Meloidogyne hapla). Journal of Nematology. 47(2):141–147.Effects of post-véraison water deficit on 'Pinot noir' yield and nutrient status in leaves, clusters, and musts-(Peer Reviewed Journal) Schreiner, R.P., Lee, J. 2014. Effects of post-véraison water deficit on 'Pinot noir' yield and nutrient status in leaves, clusters, and musts. HortScience. 49:(10)1335-1340.Spatial distribution of plant-parasitic nematodes in semi-arid Vitis vinifera vineyards in Washington-(Peer Reviewed Journal) Howland, A.D., Schreiner, R.P., Zasada, I.A. 2014. Spatial distribution of plant-parasitic nematodes in semi-arid Vitis vinifera vineyards in Washington. Journal of Nematology. 46:321-330.N, P, and K supply to Pinot noir grapevines: Impact on berry phenolics and free amino acids-(Peer Reviewed Journal) Schreiner, R.P., Scagel, C.F., Lee, J. 2014. N, P, and K supply to Pinot noir grapevines: Impact on berry phenolics and free amino acids. American Journal of Enology and Viticulture. 65:43-49.A rapid method to assess grape rust mites on leaves and observations from case studies in western Oregon vineyards-(Peer Reviewed Journal) Schreiner, R.P., Skinkis, P.A., Dreves, A.J. 2014. A rapid method to assess grape rust mites on leaves and observations from case studies in western Oregon vineyards. HortTechnology. 24(1):38-47.Plant-parasitic nematodes associated with grapevines, Vitis vinifera, in Washington and Idaho-(Peer Reviewed Journal) Zasada, I.A., Riga, E., Pinkerton, J.N., Wilson, J.H., Schreiner, R.P. 2012. Plant-parasitic nematodes associated with grapevines, Vitis vinifera, in Washington and Idaho. American Journal of Enology and Viticulture. 63:522-528.Sun, shade, and secondary metabolites-(Abstract Only) Lee, J., Schreiner, R.P., Skinkis, P.A., Tarara, J.M. 2013. Sun, shade, and secondary metabolites. Oregon Wine Research Institute. Meeting booklet.N, P, and K supply to Pinot noir grapevines. I. Impact on vine nutrient status, growth, physiology, and yield-(Peer Reviewed Journal) Schreiner, R.P., Lee, J., Skinkis, P.A. 2013. N, P, and K supply to Pinot noir grapevines:Impact on vine nutrient status, growth, physiology, and yield. American Journal of Enology and Viticulture. 64(1):26-38.Consequences of Mesocriconema xenoplax parasitism on ‘Pinot noir’ grapevines grafted on rootstocks of varying susceptibility-(Peer Reviewed Journal) Schreiner, R.P., Pinkerton, J., Zasada, I.A. 2012. Consequences of Mesocriconema xenoplax parasitism on ‘Pinot noir’ grapevines grafted on rootstocks of varying susceptibility. American Journal of Enology and Viticulture. 63:251-261.Delayed response to ring nematode (Mesocriconema xenoplax) feeding on grape roots linked to vine carbohydrate reserves and nematode feeding pressure-(Peer Reviewed Journal) Schreiner, R.P., Pinkerton, J., Zasada, I.A. 2012. Delayed response to ring nematode (Mesocriconema xenoplax) feeding on grape roots linked to vine carbohydrate reserves and nematode feeding pressure. Soil Biology and Biochemistry. 45:89-97.Nutrient uptake and use in young ‘Pinot noir’ grapevines-(Abstract Only) Schreiner, R.P., Lee, J. 2011. Nutrient uptake and use in young ‘Pinot noir’ grapevines [abstract]. HortScience. 46:s228-s229.Net carbon exchange in grapevine canopies responds rapidly to timing and extent of regulated deficit irrigation-(Peer Reviewed Journal) Tarara, J.M., Perez-Pena, J.E., Schreiner, R.P., Keller, M., Smithyman, R.P. 2011. Net carbon exchange in grapevine canopies responds rapidly to timing and extent of regulated deficit irrigation. Functional Plant Biology. 38:386-400.Foliar Application of Phosphorus Has Minimal Impact on 'Pinot noir' Growth, Mycorrhizal Colonization, or Fruit Quality-(Peer Reviewed Journal) Schreiner, R.P. 2010. Foliar application of phosphorus has minimal impact on 'Pinot noir' growth, mycorrhizal colonization, or fruit quality. HortScience. 45:815-821.The Impact of Ring Nematode (Mesocriconema xenoplax) on Grapevines and Grafted onto Different Rootstocks in Field Microplots-(Abstract Only) Schreiner, R.P., Pinkerton, J.M., Zasada, I.A., Bryla, D.R. 2010. The impact of ring nematode (Mesocriconema xenoplax) on grapevines and grafted onto different rootstocks in field microplots. HortScience. 45:S140.Alleyway Cover Crops have Little Influence on Pinot Noir Grapevines (Vitis vinifera L.) in Two Western Oregon Vineyards-(Peer Reviewed Journal) Sweet, R., Schreiner, R.P. 2010. Alleyway cover crops have little influence on Pinot noir grapevines (Vitis vinifera L.) in two western Oregon Vineyards. American Journal of Enology and Viticulture. 61:240-252.Low N Supply, but Not Low P or K supply, Alters Pinot noir growth, yield, and berry aroma profiles-(Abstract Only) Schreiner, R.P., Du, X., Qian, M., Lee, J. 2010. Low N Supply, but Not Low P or K supply, Alters Pinot noir growth, yield, and berry aroma profiles. International Cool Climate Symposium Program Book.Vine Nutrition and Extraction Parameters Can Influence Winegrape YAN-(Other) Lee, J., Schreiner, R.P. 2009. Vine Nutrition and Extraction Parameters Can Influence Winegrape YAN. Oregon State University Wine and Grape Research Extension Newsletter. 7:7.Free Amino Acid Profiles from 'Pinot Noir' Grapes are Influenced by Vine N-status and Sample Preparation Method-(Peer Reviewed Journal) Lee, J., Schreiner, R.P. 2010. Free amino acid profiles from 'Pinot noir' grapes are influenced by vine N-status and sample preparation method. Food Chemistry. 119:484-489.The Diversity of Arbuscular Mycorrhizal Fungi Amplified from Grapevine Roots (Vitis vinifera L.) in Oregon Vineyards is Seasonally Stable and Influenced by Soil and Vine Age-(Peer Reviewed Journal) Schreiner, R.P., Mihara, K.L. 2009. The diversity of arbuscular mycorrhizal fungi amplified from grapevine roots (Vitis vinifera L.) in Oregon vineyards is seasonally stable and influenced by soil and vine age. Mycologia. 101:599-611.Evaluation of Nematode Resistant Grape Rootstock for Managing Mesocriconema xenoplax-(Proceedings) Schreiner, R.P., Pinkerton, J.N., Bryla, D.R. 2008. Evaluation of nematode resistant grape rootstock for managing Mesocriconema xenoplax. Northwest Center for Small Fruit Research Proceedings. 17:24-26.Ring Nematodes (Mesocriconema xenoplax) Alter Root Colonization and Function of Arbuscular Mycorrhizal Fungi in Grape Roots in a Low P Soil-(Peer Reviewed Journal) Schreiner, R.P., Pinkerton, J.N. 2008. Ring nematodes (Mesocriconema xenoplax) alter root colonization and function of arbuscular mycorrhizal fungi in grape roots in a low P soil. Soil Biology and Biochemistry. 40:1870-1877.Nutrient Response of ‘Pinot noir’ in a Sand-Culture Vineyard-(Abstract Only) Schreiner, R.P., Lee, J. 2008. Nutrient response of ‘Pinot noir’ in a sand-culture vineyard. HortScience. 43:1146. HortScience.Evaluation of Nematode Resistant Grape Rootstock for Managing Mesocriconema xenoplax-(Proceedings) Schreiner, R.P., Pinkerton, J.N., Bryla, D.R. 2007. Evaluation of nematode resistant grape rootstock for managing Mesocriconema xenoplax. Northwest Center for Small Fruit Research Proceedings. p. 27-29.Epidemiology of Xiphinema americanum and Tomato ringspot virus on Red Raspberry, Rubus idaeus.-(Peer Reviewed Journal) Pinkerton, J.N., Kraus, J.E., Martin, R.R., Schreiner, R.P. 2008. Epidemiology of Xiphinema americanum and Tomato ringspot virus on red raspberry, Rubus idaeus. Plant Disease. 92(3):364-371.Deficit Irrigation Promotes Arbuscular Colonization of Fine Roots by Mycorrhizal Fungi in Grapevines (Vitis vinifera L.) in an Arid Climate-(Peer Reviewed Journal) Schreiner, R.P., Tarara, J.M. 2007. Deficit irrigation promotes arbuscular colonization of fine roots by mycorrhizal fungi in grapevines (Vitis vinifera L.) in an arid climate. Mycorrhiza. 17:551-562.Effects of Native and Nonnative Arbuscular Mycorrhizal Fungi on Growth and Nutrient Uptake of 'Pinot Noir' (Vitis vinifera L.) in Two Soils with Contrasting Levels of Phosporus-(Peer Reviewed Journal) Schreiner, R.P. 2007. Effects of native and nonnative arbuscular mycorrhizal fungi on growth and nutrient uptake of 'Pinot Noir' (Vitis vinifera L.) in two soils with contrasting levels of phosporus. Applied Soil Ecology. 36:205-215.Evaluation of Nematode Resistant Grape Rootstock for Managing Mesocriconema xenoplax-(Abstract Only) Schreiner, R.P., Pinkerton, J.N., Bryla, D.R. 2006. Evaluation of nematode resistant grape rootstock for managing Mesocriconema xenoplax. Northwest Center for Small Fruit Research Proceedings. 15:36-37.Water and Nutrient Competition with Cover Crops in Willamette Valley Vineyards-(Abstract Only) Schreiner, R.P. and Sweet, R. 2006. Water and nutrient competition with cover crops in Willamette Valley vineyards. Northwest Center for Small Fruit Research Proceedings. 15:66-69.Interactions Between Ring Nematodes (Mesocriconema xenoplax) and Arbuscular Mycorrhizal Fungi (AMF) in Grape Roots: Competition for Photosynthate?-(Abstract Only) Schreiner, R.P., Pinkerton, J.N. 2006. Interactions between ring nematodes (Mesocriconema xenoplax) and arbuscular mycorrhizal fungi (AMF) in grape roots: competition for photosynthate?. ASA-CSSA-SSSA Proceedings. http://a-c-s.confex.com/crops/2006am/techprogram/P21530.HTMIdentifying Optimal Nutrient Concentrations For Premium Winegrape Production Based On Physiological Needs And Fruit Quality.-(Abstract Only) Schreiner, R.P. 2006. Identifying Optimal Nutrient Concentrations For Premium Winegrape Production Based On Physiological Needs And Fruit Quality. Northwest Center for Small Fruit Research Proceedings. CDROM.EPIDEMIOLOGY OF XIPHINEMA AMERICANUM AND TOMATO RINGSPOT VIRUS ON RED RASPBERRY, RUBUS IDAEUS-(Abstract Only) Pinkerton, J.N., Kraus, J.E., Martin, R.R., Schreiner, R.P. 2006. Epidemiology of Xiphinema americanum and tomato ringspot virus on red raspberry, Rubus idaeus. Journal  of Nematology. 38(2):287.PHOSPHORUS SUPPLY ALTERS TUBER COMPOSITION, FLOWER PRODUCTION, AND MYCORRHIZAL RESPONSIVENESS OF CONTAINER-GROWN HYBRID ZANTEDESCHIA-(Peer Reviewed Journal) Scagel, C.F., Schreiner, R.P. 2006. Phosphorus supply alters tuber composition, flower production, and mycorrhizal responsiveness of container-grown hybrid zantedeschia. Plant and Soil Journal. 283: 329-342.NUTRIENT UPTAKE AND ALLOCATION IN A MATURE PINOT NOIR VINEYARD IN OREGON, USA.-(Peer Reviewed Journal) Schreiner, R.P., Scagel, C.F., Baham, J. 2006. Nutrient uptake and allocation in a mature Pinot Noir vineyard in Oregon,USA. HortScience.41:336-345.IDENTIFYING OPTIMAL NUTRIENT CONCENTRATIONS FOR PREMIUM WINEGRAPE PRODUCTION BASED ON PHYSIOLOGICAL NEEDS AND FRUIT QUALITY.-(Abstract Only) Schreiner, R.P. 2005. Identifying optimal nutrient concentrations for premium winegrape production based on physiological needs and fruit quality. Northwest Center for Small Fruit Research Proceedings. p.79-81.WATER AND NUTRIENT COMPETITION WITH COVER CROPS IN WILLAMETTE VALLEY VINEYARDS-(Abstract Only) Schreiner, R.P., Sweet, R. 2005. Water and nutrient competition with cover crops in Willamette Valley vineyards. Northwest Center for Small Fruit Research Proceedings. p.82-85.SPATIAL AND TEMPORAL VARIATION OF ROOTS, ARBUSCULAR MYCORRHIZAL FUNGI, AND PLANT AND SOIL NUTRIENTS IN A MATURE PINOT NOIR (VITIS VINIFERA L.) VINEYARD IN OREGON.-(Peer Reviewed Journal) Schreiner, R.P. 2005. Spatial and temporal variation of roots, arbuscular mycorrhizal fungi, and plant and soil nutrients in a mature Pinot Noir (Vitis Vinifera L.) vineyard in oregon. Plant and Soil. 276:219-234.MYCORRHIZAL COLONIZATION IN DRYLAND VINEYARDS OF THE WILLAMETTE VALLEY, OREGON.-(Peer Reviewed Journal) Schreiner, R.P., Linderman, R.G. 2005. Mycorrhizal colonization in dryland vineyards of the willamette valley, oregon.. Small Fruit Reviews. 4(3): 41-55.MYCORRHIZAE AND MINERAL ACQUISTION IN GRAPEVINES-(Peer Reviewed Journal) Schreiner, R.P. 2005. Mycorrhizae and mineral acquistion in grapevines.   Proceedings of the Soil Environment and Vine Mineral Nutrition Symposium,   American Society of Enology and Viticulture. p. 49-60.EFFECTS OF MESOCRICONEMA XENOPLAX ON VITIS VINIFER AND ASSOCIATED MYCORRHIZAL FUNGI.-(Peer Reviewed Journal) J.N.PINKERTON, R.P. SCHREINER, K.L.IVORS, M.C. VASCONCELOS. EFFECTS OF MESOCRICONEMA XENOPLAX ON VITIS VINIFERA AND ASSOCIATED MYCORRIHIZAL. JOURNAL OF NEMATOLOGY. 2004.  36(3):193-201.METHYL BROMIDE ALTERNATIVES AND MYCORRHIZAL COLONIZATION IN VINEYARD REPLANT TRIALS-(Proceedings) Schreiner, R.P., Schneider, S., Pinkerton, J.N., Bryla, D.R. METHYL BROMIDE ALTERNATIVES AND MYCORRHIZAL COLONIZATION IN VINEYARD REPLANT TRIALS. Proceedings of the 2003 International Conference on Methyl Bromide Alternatives and Emissions Reductions. 2003. p. 116-1.ARBUSCULAR MYCORRHIZAL FUNGI INFLUENCE DROUGHT TOLERANCE OF GRAPEVINES UNDER FIELD CONDITIONS-(Abstract Only) ARBUSCULAR MYCORRHIZAL FUNGI INFLUENCE DROUGHT TOLERENCE OF GRAPEVINES UNDER FIELD CONDITIONS. Schreiner, R.P.SEASONAL DYNAMICS OF MINERAL UPTAKE AND ALLOCATION IN WHOLE PINOT NOIR VINES IN A RED-HILL SOIL OVER 2 YEARS-(Proceedings) SEASONAL DYNAMICS OF MINERAL UPTAKE AND ALLOCATION IN WHOLE PINOR NOIR VINES IN A RED-HILL SOIL OVER 2 YEARS.  Schreiner, R.P., Baham, J.MYCORRHIZAL COLONIZATION OF GRAPEVINE ROOTSTOCKS UNDER FIELD CONDITIONS-(Peer Reviewed Journal) MYCORRHIZAL COLONIZATION OF GRAPEVINE ROOTSTOCKS UNDER FIELD CONDITIONS.  Schreiner, R.P.CROP RESIDUE AND COLLEMBOLA INTERACT TO DETERMINE THE GROWTH OF MYCORRHIZAL PEA PLANTS.-(Peer Reviewed Journal) Schreiner, R.P., Bethlenfalvay, F.J. CROP RESIDUE AND COLLEMBOLA INTERACT TO DETERMINE THE GROWTH OF MYCORRHIZAL PEA PLANTS. Biology and Fertility of Soils. 2003. (39) p. 1-8.SEASONAL DYNAMICS OF MINERAL UPTAKE AND ALLOCATION IN WHOLE PINOT NOIR VINES IN A RED-HILL SOIL-(Proceedings) SEASONAL DYNAMICS OF MINERAL UPTAKE AND ALLOCATION IN WHOLE PINOT NOIR VINES IN A RED-HILL SOIL.  Schreiner, R.P., Baham, J.OCCURENCE, ACTIVITY, AND DIVERSITY OF VAM FUNGI IN GRAPEVINES FROM THE     PACIFIC NORTHWEST UNITED STATES-(Abstract Only) Page 1-23SOIL SOLARIZATION REDUCES ARBUSCULAR MYCORRHIZAL FUNGI AS A CONSEQUENCE OF WEED SUPPRESSION-(Peer Reviewed Journal) 11: 273-277SEASONAL DYNAMICS OF ROOTS, MYCORRHIZAL FUNGI, AND THE MINERAL NUTRITION OFPINOT NOIR-(Proceedings) page 49-60SEASONAL DEVELOPMENT OF GRAPE ROOTS AND MYCORRHIZAL FUNGI IN OREGON-(Proceedings) page 127-134RELATIONSHIPS BETWEEN SOIL AGGREGATION AND MYCORRHIZAE AS INFLUENCED BY    SOIL BIOTA AND NITROGEN-NUTRITION-(Peer Reviewed Journal)  ARS News ArticlesNo news articles listed for this employee.


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