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                    U.S. DEPARTMENT OF AGRICULTURE
 Edward T. Schafer Agricultural Research Center: Fargo, ND
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ARS Home Plains Area Fargo, North Dakota Edward T. Schafer Agricultural Research Center People & Locations







Brent S Hulke
                        Edward T. Schafer Agricultural Research Center

                        




                        
                        Research Geneticist
                        Phone: (701) 239-1321
                        
                        
                        Fax: (701) 239-1346(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsWinter Nursery and Seed Production for Rapid Germplasm Enhancement
                                                    Cooperative Agreement
                                                                    (A)Accession Number: 436436Sunflower Yield, Crop Quality, and Interactions with Biotic and Abiotic Stressors
                                                    In-House Appropriated
                                                                    (D)Accession Number: 445350Assessing the Importance of Plant Spacing Heterogeneity (Skips, Doubles, Gaps) on Yield, and Heritability of Seedling Emergence in Field Conditions
                                                    Non-Funded Cooperative Agreement
                                                                    (N)Accession Number: 436660Perennial Crops for Sustainable Agriculture in the Northern Plains
                                                    Non-Funded Cooperative Agreement
                                                                    (N)Accession Number: 438842Management and Distribution of Seed of Released ARS Sunflower Germplasm
                                                    Non-Funded Cooperative Agreement
                                                                    (N)Accession Number: 440083Genetic Marker Development for Hull Hardness and Oil Content in Sunflower
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 438988Developing Knowledge and Tools to Optimize Sunflower Breeding for Sclerotinia Resistance and Improved Microbiome-Related Traits
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 438720Understanding How Sunflower Soil Microbiome Impacts Resistance to Sclerotinia Stalk Rot
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 436507Developing Bioinformatic Pipelines and Models for Genomics-assisted Breeding
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 442764Next Generation Sequencing of the USDA Sunflower Breeding Program and Identification of Red Sunflower Seed Weevil Resistance Genes
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 444659Extending the USDA Sunflower Breeding Program to Address Producer Outcomes.
                                                    Trust Fund Cooperative Agreement
                                                                    (T)Accession Number: 441935**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Survival analysis of freezing stress in the North American native perennial flax, Linum lewisii Pursh.

- (Peer Reviewed Journal)Pollen quantity, but not grain size, is correlated with floret size in in cultivated sunflower, Helianthus annuus L.
                                                        

- (Peer Reviewed Journal)Prasifka, J.R., Portlas, Z.M., Hulke, B.S. 2023. Pollen quantity, but not grain size, is correlated with floret size in in cultivated sunflower, Helianthus annuus L.. Plant Genetic Resources. 2023. https://doi.org/10.1017/S1479262123000709.First steps toward developing Lewis flax (Linum lewisii Pursh.) as an agronomic crop
                                                        

- (Peer Reviewed Journal)Pull, Z., Gramig, G., Hulke, B.S., Gossweiler, A., Johnson, B. 2023. First steps toward developing Lewis flax (Linum lewisii Pursh.) as an agronomic crop. Renewable Agriculture and Food Systems. 38:1-8. https://doi.org/10.1017/S1742170523000340.Genetic mapping of a pollinator preference trait: Nectar volume in sunflower (Helianthus annuus L.)
                                                        

- (Peer Reviewed Journal)Barstow, A., Prasifka, J.R., Attia, Z., Kane, N.C., Hulke, B.S. 2022. Genetic mapping of a pollinator preference trait: Nectar volume in sunflower (Helianthus annuus L.). Frontiers in Plant Science. 13(2022). https://doi.org/10.3389/fpls.2022.1056278.Double-cropping oilseed sunflower after winter camelina
                                                        

- (Peer Reviewed Journal)Gesch, R.W., Mohammed, Y.A., Walia, M.K., Hulke, B.S., Anderson, J.V. 2022. Double-cropping oilseed sunflower after winter camelina. Industrial Crops and Products. 181. Article 114811. https://doi.org/10.1016/j.indcrop.2022.114811.Effective strategies for isolating DNA from members of Asteraceae with high concentrations of secondary metabolites
                                                        

- (Peer Reviewed Journal)Bailey, D.W., Attia, Z., Reinert, S., Hulke, B.S., Kane, N.C. 2022. Effective strategies for isolating DNA from members of Asteraceae with high concentrations of secondary metabolites. Biotechniques. 72:85-89. https://doi.org/10.2144/btn-2021-0050.Assessment of biogeographic variation in traits of Lewis flax (Linum lewisii) for use in restoration and agriculture
                                                        

- (Peer Reviewed Journal)Innes, P., Gossweiler, A., Jensen, S., Tilley, D., St. John, L., Jones, T.A., Kitchen, S.G., Hulke, B.S. 2022. Assessment of biogeographic variation in traits of Lewis flax (Linum lewisii) for use in restoration and agriculture. AoBP (Annals of Botany PLANTS). 14(2). Article plac005. https://doi.org/10.1093/aobpla/plac005.Pollinator responses to variation in sunflower crop traits

- (Abstract Only)Editorial: Special Issue: Breeding crops for climate resilience
                                                        

- (Review Article)Langridge, P., Braun, H., Hulke, B.S., Ober, E., Prasanna, B.M. 2021. Editorial: Special Issue: Breeding crops for climate resilience. Theoretical and Applied Genetics. 134:1607-1611. https://doi.org/10.1007/s00122-021-03854-7.Breeding for sustainable oilseed crop yield and quality in a changing climate
                                                        

- (Review Article)Attia, Z., Pogoda, C.S., Reinert, S., Kane, N.C., Hulke, B.S. 2021. Breeding for sustainable oilseed crop yield and quality in a changing climate. Theoretical and Applied Genetics. 134:1817-1827. https://doi.org/10.1007/s00122-021-03770-w.Genetic loci underlying quantitative resistance to necrotrophic pathogens Sclerotinia and Diaporthe (Phomopsis), and correlated resistance to both pathogens
                                                        

- (Peer Reviewed Journal)Reinert, S., Pogoda, C.S., Talukder, Z.I., Attia, Z., Collier-Zans, E.C., Gulya, T.J., Kane, N.C., Hulke, B.S. 2020. Genetic loci underlying quantitative resistance to necrotrophic pathogens Sclerotinia and Diaporthe (Phomopsis), and correlated resistance to both pathogens. Theoretical and Applied Genetics. https://doi.org/10.1007/s00122-020-03694-x.Silphium integrifolium seed and biomass responses to plant density and N fertilization
                                                        

- (Peer Reviewed Journal)Schiffner, S., Hulke, B.S., Jungers, J., Smith, K., Van Tassel, D., Scheaffer, C. 2020. Silphium integrifolium seed and biomass responses to plant density and N fertilization. Agrosystems, Geosciences & Environment. 3:1-12. https://doi.org/10.1002/agg2.20118.A greenhouse method to evaluate sunflower quantitative resistance to basal stalk rot caused by Sclerotinia sclerotiorum
                                                        

- (Peer Reviewed Journal)Underwood, W., Misar, C.G., Block, C., Gulya, T.J., Talukder, Z., Hulke, B.S., Markell, S. 2020. A greenhouse method to evaluate sunflower quantitative resistance to basal stalk rot caused by Sclerotinia sclerotiorum. Plant Disease. 105:464-472. https://doi.org/10.1094/PDIS-08-19-1790-RE.Mating compatibility and fertility studies in an herbaceous perennial Aster undergoing de novo domestication to enhance agroecosystems
                                                        

- (Peer Reviewed Journal)Reinert, S., Price, J.N., Smart, B.C., Pogoda, C.S., Kane, N.C., Van Tassel, D.L., Hulke, B.S. 2020. Mating compatibility and fertility studies in an herbaceous perennial Aster undergoing de novo domestication to enhance agroecosystems. Agronomy for Sustainable Development. 40:27. https://doi.org/10.1007/s13593-020-00632-5.Determination of virulence phenotypes of Plasmopara halstedii in the United States
                                                        

- (Peer Reviewed Journal)Gilley, M.A., Gulya, T.J., Seiler, G.J., Underwood, W., Hulke, B.S., Misar, C.G., Markell, S.G. 2020. Determination of virulence phenotypes of Plasmopara halstedii in the United States. Plant Disease. 104:2823-2831. https://doi/10.1094/PDIS-10-19-2063-RE.Registration of oilseed sunflower maintainer germplasm HA 488, with resistance to the red sunflower seed weevil
                                                        

- (Peer Reviewed Journal)DeGreef, M.G., Prasifka, J.R., Koehler, B.D., Hulke, B.S. 2020. Registration of oilseed sunflower maintainer germplasm HA 488, with resistance to the red sunflower seed weevil. Journal of Plant Registrations. 14:203-205. https://doi.org/10.1002/plr2.20035.Registration of oilseed sunflower maintainer germplasm HA 489, with resistance to the banded sunflower moth
                                                        

- (Peer Reviewed Journal)Wronski, A.R., Prasifka, J.R., Grove, M.S., Koehler, B.D., Misar, C.G., Underwood, W., Hulke, B.S. 2020. Registration of oilseed sunflower maintainer germplasm HA 489, with resistance to the banded sunflower moth. Journal of Plant Registrations. 14:197-202. https://doi.org/10.1002/plr2.20030.Gene banks for wild and cultivated sunflower genetic resources
                                                        

- (Peer Reviewed Journal)Terzic, S., Boniface, M., Marek, L., Alvarez, D., Baumann, K., Gavrilova, V., Joita-Pacureanu, M., Sujatha, M., Valcova, D., Velasco, L., Hulke, B.S., Jocic, S., Langlade, N., Munos, S., Rieseberg, L., Seiler, G.J., Vear, F. 2020. Gene banks for wild and cultivated sunflower genetic resources. OCL - Oilseeds & fats, Crops and Lipids. 27(9):1-14. https://doi.org/10.1051/ocl/2020004.Field evaluation of early maturing oilseed sunflower double-cropped after winter camelina

- (Abstract Only)Field evaluation of early maturing oilseed sunflower double-cropped after winter camelina

- (Proceedings)Gesch, R.W., Hulke, B.S., Anderson, J.V. 2020. Field evaluation of early maturing oilseed sunflower double-cropped after winter camelina. In: Proceedings of the National Sunflower Association. 42nd National Sunflower Association Research Forum, January 8-9, 2020, Fargo, North Dakota. Available: https://www.sunflowernsa.com/uploads/research/1363/NSApaper_RGeschfinal.pdf.Capitate glandular trichomes fail to provide significant resistance to banded sunflower moth (Lepidoptera: Tortricidae)
                                                        

- (Peer Reviewed Journal)Prasifka, J.R., Hulke, B.S. 2020. Capitate glandular trichomes fail to provide significant resistance to banded sunflower moth (Lepidoptera: Tortricidae). Environmental Entomology. 49(2):444-448. https://doi.org/10.1093/ee/nvaa002.Updates on sunflower pollinator research: understanding interactions of plant phenotype, environment, and pollinator identity

- (Abstract Only)Ferguson, B., Hulke, B.S., Prasifka, J.R. 2020. Updates on sunflower pollinator research: understanding interactions of plant phenotype, environment, and pollinator identity [abstract]. National Sunflower Association Research Forum. 90:19.Pest potential of Neotephritis finalis (Loew) on Silphium integrifolium Michx., Silphium perfoliatum L., and interspecific hybrids
                                                        

- (Peer Reviewed Journal)Reinert, S., Hulke, B.S., Prasifka, J.R. 2020. Pest potential of Neotephritis finalis (Loew) on Silphium integrifolium Michx., Silphium perfoliatum L., and interspecific hybrids. Agronomy Journal. 112:1462-1465. https://doi.org/10.1002/agj2.20078.Seed and floret size parameters of sunflower are determined by partially overlapping sets of quantitative trait loci with epistatic interactions
                                                        

- (Peer Reviewed Journal)Reinert, S., Gao, Q., Ferguson, M.E., Portlas, Z., Prasifka, J.R., Hulke, B.S. 2019. Seed and floret size parameters of sunflower are determined by partially overlapping sets of quantitative trait loci with epistatic interactions. Molecular Genetics and Genomics. 295:143-154. https://doi.org/10.1007/s00438-019-01610-7.Registration of oilseed sunflower germplasms HA 482, RHA 483, and RHA 484, selected for resistance to Sclerotinia and Phomopsis diseases
                                                        

- (Peer Reviewed Journal)Smart, B.C., Koehler, B.D., Misar, C.G., Gulya, T.G., Hulke, B.S. 2019. Registration of oilseed sunflower germplasms HA 482, RHA 483, and RHA 484, selected for resistance to Sclerotinia and Phomopsis diseases. Journal of Plant Registrations. 13(3):450-454. https://doi.org/10.3198/jpr2019.07.0030crg.Registration of oilseed sunflower germplasms RHA 478, RHA 479, RHA 480, and HA 481, providing diversity in resistance to necrotrophic pathogens of sunflower
                                                        

- (Peer Reviewed Journal)Koehler, B.D., Gulya, T.J., Hulke, B.S. 2019. Registration of oilseed sunflower germplasms RHA 478, RHA 479, RHA 480, and HA 481, providing diversity in resistance to necrotrophic pathogens of sunflower. Journal of Plant Registrations. 13(3):444-449. https://doi.org/10.3198/jpr2019.04.0017crg.Assessment of the biogeographical variation of seed size and seed oil traits in wild Silphium integrifolium Michx. genotypes
                                                        

- (Peer Reviewed Journal)Reinert, S., Van Tassel, D.L., Schlautman, B., Kane, N.C., Hulke, B.S. 2019. Assessment of the biogeographical variation of seed size and seed oil traits in wild Silphium integrifolium Michx. genotypes. Plant Genetic Resources. 17(5):427-436. https://doi.org/10.1017/S1479262119000248.Genetic and phenotypic analyses indicate that resistance to flooding stress is uncoupled from performance in cultivated sunflower
                                                        

- (Peer Reviewed Journal)Gao, L., Lee, J.S., Hubner, S., Hulke, B.S., Qu, Y., Rieseberg, L.H. 2019. Genetic and phenotypic analyses indicate that resistance to flooding stress is uncoupled from performance in cultivated sunflower. New Phytologist. 223((3):1657-1670. https://doi.org/10.1111/nph.15894.Registration of oilseed sunflower germplasms RHA 485, RHA 486, and HA 487, selected for resistance to Phomopsis stalk canker and Sclerotinia, in a high yielding and high-oil background
                                                        

- (Peer Reviewed Journal)Money, K., Koehler, B.D., Misar, C.G., Grove, M.S., Underwood, W., Hulke, B.S. 2019. Registration of oilseed sunflower germplasms RHA 485, RHA 486, and HA 487, selected for resistance to Phomopsis stalk canker and Sclerotinia, in a high yielding and high-oil background. Journal of Plant Registrations. 13(3):439-442. https://doi.org/10.3198/jpr2019.02.0008crg.Phomopsis stem canker of sunflower in North America: Correlation with climate and solutions through breeding and management
                                                        

- (Review Article)Hulke, B.S., Markell, S.G., Kane, N.C., Matthew, F.M. 2019. Phomopsis stem canker of sunflower in North America: Correlation with climate and solutions through breeding and management. OCL - Oilseeds & fats, Crops and Lipids. 26:13. https://doi.org/10.1051/ocl/2019011.Linkage mapping and genome-wide association studies of the Rf gene cluster in sunflower (Helianthus annuus L.) and their distribution in world sunflower collections
                                                        

- (Peer Reviewed Journal)Talukder, Z.I, Ma, G., Hulke, B.S., Jan, C.-C., Qi, L. 2019. Linkage mapping and genome-wide association studies of the Rf gene cluster in sunflower (Helianthus annuus L.) and their distribution in world sunflower collections. Frontiers in Genetics. 10:216. https://doi.org/10.3389/fgene.2019.00216.Registration of genetic stocks TOCO B1, TOCO R1, and TOCO R2 with high gamma- and delta-tocopherol and altered fatty acid composition in the seed oil
                                                        

- (Peer Reviewed Journal)Hulke, B.S., Winkler-Moser, J.K. 2019. Registration of genetic stocks TOCO B1, TOCO R1, and TOCO R2 with high gamma- and delta-tocopherol and altered fatty acid composition in the seed oil. Journal of Plant Registrations. https://doi.org/10.3198/jpr2018.10.0070crgs.Two contrasting methods improve Silphium integrifolium Michx. germination rate to agronomically acceptable levels
                                                        

- (Peer Reviewed Journal)Reinert, S., Money, K., Rockstad, G.B., Kane, N., Van Tassel, D.L., Hulke, B.S. 2018. Two contrasting methods improve Silphium integrifolium Michx. germination rate to agronomically acceptable levels. Euphytica. 214:256. https://doi.org/10.1007/s10681-018-2236-x.Using nectar-related traits to enhance crop-pollinator interactions
                                                        

- (Peer Reviewed Journal)Prasifka, J.R., Mallinger, R.E., Portlas, Z.M., Hulke, B.S., Fugate, K.K., Paradis, T., Hampton, M.E., Carter, C.J. 2018. Using nectar-related traits to enhance crop-pollinator interactions. Frontiers in Plant Science. https://doi.org/10.3389/fpls.2018.00812.Variation in floret size explains differences in wild bee visitation to cultivated sunflowers

- (Peer Reviewed Journal)Portlas, Z.M., Tetlie, J.R., Prischmann-Voldseth, D., Hulke, B.S., Prasifka, J.R. 2018. Variation in floret size explains differences in wild bee visitation to cultivated sunflowers. Plant Genetic Resources. https://doi.org/10.1017/S1479262118000072.Genetic architecture of capitate glandular trichome density in florets of domesticated sunflower (Helianthus annuus L.)
                                                        

- (Peer Reviewed Journal)Gao, Q.M., Kane, N.C., Hulke, B.S., Reinert, S., Pogoda, C.S., Tittes, S., Prasifka, J.R. 2018. Genetic architecture of capitate glandular trichome density in florets of domesticated sunflower (Helianthus annuus L.). Frontiers in Plant Science. https://doi.org/10.3389/fpls.2017.02227.Registration of oilseed sunflower restorer germplasms RHA 476 and RHA 477, adapted for short season environments
                                                        

- (Peer Reviewed Journal)Hulke, B.S., May, W.E. 2018. Registration of oilseed sunflower restorer germplasms RHA 476 and RHA 477, adapted for short season environments. Journal of Plant Registrations. 12:148-151. https://doi.org/10.3198/jpr2017.07.0048crg.Registration of oilseed sunflower germplasms RHA 461, RHA 462, RHA 463, HA 465, HA 466, HA 467, and RHA 468 with diversity in Sclerotinia resistance, yield, and other traits
                                                        

- (Peer Reviewed Journal)Hulke, B.S., Ma, G., Qi, L.L., Gulya, T.J. 2018. Registration of oilseed sunflower germplasms RHA 461, RHA 462, RHA 463, HA 465, HA 466, HA 467, and RHA 468 with diversity in Sclerotinia resistance, yield, and other traits. Journal of Plant Registrations. 12:142-147. https://doi.org/10.3198/jpr2017.04.0023crg.Plant-herbivore and plant-pollinator interactions of the developing perennial oilseed crop, Silphium integrifolium
                                                        

- (Peer Reviewed Journal)Prasifka, J.R., Mallinger, R.E., Hulke, B.S., Larson, S.R., Van Tassel, D. 2017. Plant-herbivore and plant-pollinator interactions of the developing perennial oilseed crop, Silphium integrifolium. Environmental Entomology. 46(6):1339-1345. https://doi.org/10.1093/ee/nvx134.Somatic embryogenesis from corolla tubes of interspecific amphiploids between cultivated sunflower (Helianthus annuus L.) and its wild species

- (Peer Reviewed Journal)Fu, X., Qi, L., Hulke, B., Seiler, G., Jan, C. 2017. Somatic embryogenesis from corolla tubes of interspecific amphiploids between cultivated sunflower (Helianthus annuus L.) and its wild species. Helia. 40(66):1-19.Accelerating Silphium domestication: an opportunity to develop new crop ideotypes and breeding strategies informed by multiple disciplines

- (Review Article)Van Tassel, D.L., Albrecht, K.A., Bever, J.D., Boe, A.A., Brandvain, Y., Crews, T.E., Gansberger, M., Gerstberg, P., Gonzalez-Paleo, L., Hulke, B.S., Kane, N.C., Johnson, P.J., Pestsova, E.G., Picasso Risso, V.D., Prasifka, J.R., Ravetta, D.A., Schlautman, B., Sheaffer, C.C., Smith, K.P., Speranza, P.R., Turner, M.K., Vilela, A.E., von Gehren, P., Weaver, C. 2017. Accelerating Silphium domestication: an opportunity to develop new crop ideotypes and breeding strategies informed by multiple disciplines. Crop Science. 57(3):1274-1284.Development and dissection of diagnostic SNP markers for the downy mildew resistance genes PlArg and Pl8 and maker-assisted gene pyramiding in sunflower (Helianthus annuus L.)

- (Peer Reviewed Journal)L.Qi, L., Talukder, Z.I., Hulke, B.S., Foley, M.E. 2017. Development and dissection of diagnostic SNP markers for the downy mildew resistance genes PlArg and Pl8 and maker-assisted gene pyramiding in sunflower (Helianthus annuus L.). Molecular Genetics and Genomics. 292(3):551-563.Registration of the sunflower oilseed maintainer genetic stocks HOLS1, HOLS2, HOLS3, and HOLS4, possessing genes for high oleic and low saturated fatty acids, and tolerance to imidazolinone herbicides

- (Peer Reviewed Journal)Hulke, B.S., Gao, Q.M., Foley, M.E. 2017. Registration of the sunflower oilseed maintainer genetic stocks HOLS1, HOLS2, HOLS3, and HOLS4, possessing genes for high oleic and low saturated fatty acids, and tolerance to imidazolinone herbicides. Journal of Plant Registrations. 11:200-203.Relative susceptibility of sunflower maintainer lines and resistance sources to natural infestations of the banded sunflower moth (Lepidoptera: Tortricidae)

- (Peer Reviewed Journal)Prasifka, J.R., Hulke, B.S. 2016. Relative susceptibility of sunflower maintainer lines and resistance sources to natural infestations of the banded sunflower moth (Lepidoptera: Tortricidae). The Canadian Entomologist. 148:736-741.A pipeline strategy for grain crop domestication

- (Peer Reviewed Journal)Dehaan, L.R., Van Tassel, D.L., Anderson, J.A., Asselin, S.R., Barnes, R., Baute, G.J., Cattani, D.J., Culman, S.W., Dorn, K.M., Hulke, B.S., Kantar, M., Larson, S., Marks, M.D., Miller, A.J., Poland, J., Ravetta, D.A., Rude, E., Ryan, M.R., Wyse, D., Zhang, X. 2016. A pipeline strategy for grain crop domestication. Crop Science. 56:917-930.A unified SNP map of sunflower (Helianthus annuus L.) derived from current genomic resources

- (Peer Reviewed Journal)Hulke, B.S., Grassa, C.J., Bowers, J.E., Burke, J.M., Qi, L., Talukder, Z.I., Rieseberg, L.H. 2015. A unified SNP map of sunflower (Helianthus annuus L.) derived from current genomic resources. Crop Science. 55:1696-1702. doi:10.2135/cropsci2014.11.0752.Registration of the oilseed restorer sunflower germplasms RHA 472, RHA 473, RHA 474, and RHA 475, possessing resistance to Sclerotinia head rot

- (Peer Reviewed Journal)Hulke, B.S., Gulya, T.J. 2015. Registration of the oilseed restorer sunflower germplasms RHA 472, RHA 473, RHA 474, and RHA 475, possessing resistance to Sclerotinia head rot. Journal of Plant Registrations. 2:232-238. doi:10.3198/jpr2014.12.0084crg.Relocation of a rust resistance gene R2 and its marker-assisted gene pyramiding in confection sunflower (Helianthus annuus L.)

- (Peer Reviewed Journal)Qi, L.L., Ma, G.J., Long, Y.M., Hulke, B.S., Gong, L., Markell, S.G. 2015. Relocation of a rust resistance gene R2 and its marker-assisted gene pyramiding in confection sunflower (Helianthus annuus L.). Theoretical and Applied Genetics. 128(3):477-488. DOI:10.1007/s00122-014-2446-0.A high-density SNP map of sunflower derived from RAD-sequencing facilitating fine-mapping of the rust resistance gene R12

- (Peer Reviewed Journal)Talukder, Z., Gong, L., Hulke, B.S., Pegadaraju, V., Song, Q., Schultz, Q., Qi, L. 2014. A high-density SNP map of sunflower derived from RAD-sequencing facilitating fine-mapping of the rust resistance gene R12. PLoS One. 9(7): e98628. Available http://dx.plos.org/10.1371/journal.pone.0098628.Registration of two confection sunflower germplasm Lines, HA-R10 and HA-R11, Resistant to sunflower rust

- (Peer Reviewed Journal)Qi, L., Gong, L., Markell, S.G., Seiler, G.J., Gulya Jr, T.J., Hulke, B.S. 2014. Registration of two confection sunflower germplasm Lines, HA-R10 and HA-R11, Resistant to sunflower rust. Journal of Plant Registrations. 8:329-333. DOI: 10.3198/jpr2014.02.0010crg.Pericarp strength of sunflower and its value for plant defense against the sunflower moth, Homoeosoma electellum

- (Peer Reviewed Journal)Prasifka, J.R., Hulke, B.S., Seiler, G.J. 2014. Pericarp strength of sunflower and its value for plant defense against the sunflower moth, Homoeosoma electellum. Arthropod-Plant Interactions. 8:101-107.Automated detection of insect-damaged sunflower seeds by X-ray imaging

- (Peer Reviewed Journal)Pearson, T.C., Prasifka, J.R., Brabec, D.L., Haff, R.P., Hulke, B.S. 2014. Automated detection of insect-damaged sunflower seeds by X-ray imaging. Applied Engineering in Agriculture. 30(1):125-131.Ovipositional preference and larval performance of the banded sunflower moth (Lepidoptera: Tortricidae) and its larval parasitoids on resistant and susceptible lines of sunflower (Asterales: Asteraceae)

- (Peer Reviewed Journal)Chirumamilla, A., Knodel, J.J., Charlet, L.D., Hulke, B.S., Foster, S.P., Ode, P.J. 2014. Ovipositional preference and larval performance of the banded sunflower moth (Lepidoptera: Tortricidae) and its larval parasitoids on resistant and susceptible lines of sunflower (Asterales: Asteraceae). Environmental Entomology. 43(1):58-68. DOI: 10.1603/EN13157.Sources of resistance to sunflower diseases in a global collection of domesticated USDA plant introductions

- (Peer Reviewed Journal)Talukder, Z.I., Hulke, B.S., Marek, L.F., Gulya, T.J. 2014. Sources of resistance to sunflower diseases in a global collection of domesticated USDA plant introductions. Crop Science. 54:694-705.Candidate gene association mapping of Sclerotinia stalk rot resistance in sunflower (Helianthus annuus L.) uncovers the importance of COI1 homologs

- (Peer Reviewed Journal)Talukder, Z.I., Hulke, B.S., Qi, L., Scheffler, B.E., Pegadaraju, V., McPhee, K., Gulya, T.J. 2014. Candidate gene association mapping of Sclerotinia stalk rot resistance in sunflower (Helianthus annuus L.) uncovers the importance of COI1 homologs. Theoretical and Applied Genetics. 127:193-209.Sunflower

- (Book / Chapter)Hulke, B.S., Kleingartner, L.W. 2014. Sunflower. In: Smith, S., Diers, B., Specht, J., and Carver, B. editors. Yield Gains in Major U.S. Field Crops. CSSA Special Publications 33. Madison, WI: American Society of Agronomy, Inc., Crop Science Society of America, Inc., and Soil Science Society of America, Inc. pp.433-457.De Novo sequencing of sunflower genome for SNP discovery using RAD (Restriction site Associated DNA) approach

- (Peer Reviewed Journal)Pegadaraju, V., Nipper, R., Hulke, B., Qi, L., Schultz, Q. 2013. De novo sequencing of sunflower genome for SNP discovery using RAD (Restriction site Associated DNA) approach. Biomed Central (BMC) Genomics. 14:556.Genetic mapping of rust resistance genes in confection sunflower line HA-R6 and oilseed line RHA 397

- (Peer Reviewed Journal)Gong, L., Gulya, T.J., Markell, S.G., Hulke, B.S., Qi, L.L. 2013. Genetic mapping of rust resistance genes in confection sunflower line HA-R6 and oilseed line RHA 397. Theoretical and Applied Genetics. 126(8):2039-2049.Evaluating an interspecific Helianthus annuus x Helianthus tuberosus population for use in a perennial sunflower breeding program

- (Peer Reviewed Journal)Kantar, M.B., Betts, K., Michno, J.-M., Luby, J.J., Morrell, P.L., Hulke, B.S., Stupar, R.M., Wyse, D.L. 2014. Evaluating an interspecific Helianthus annuus x Helianthus tuberosus population for use in a perennial sunflower breeding program. Field Crops Research. 155:254-264. DOI: 10.1016/j.fcr.2013.04.018.Current status and future perspectives on sunflower insect pests

- (Proceedings)Prasifka, J.R., Hulke, B.S. 2012. Current status and future perspectives on sunflower insect pests. In: 18th International Sunflower Conference Program and Abstracts, Mar del Plata & Barcarce, Argentina, February 27-March 1, 2012. P.41.Breaking tuber dormancy in Helianthus tuberosus L. and interspecific hybrids of Helianthus annuus L. x Helianthus tuberosus

- (Peer Reviewed Journal)Kantar, M., Betts, K., Hulke, B.S., Stupar, R.M., Wyse, D. 2012. Breaking tuber dormancy in Helianthus tuberosus L. and interspecific hybrids of Helianthus annuus L. x Helianthus tuberosus. HortScience. 47(9):1342-1346.Molecular tagging of a novel rust resistance gene R12 in sunflower (Helianthus annuus L.)

- (Peer Reviewed Journal)Gong, L., Hulke, B.S., Gulya Jr, T.J., Markell, S.G., Qi, L.L. 2013. Molecular tagging of a novel rust resistance gene R12 in sunflower (Helianthus annuus L.). Theoretical and Applied Genetics. 126(1):93-99.Association of freezing tolerance to LpCBFIIIb and LpCBFIIIc gene polymorphism in perennial ryegrass accessions

- (Peer Reviewed Journal)Hulke, B.S., Bushman, B.S., Watkins, E., Ehlke, N.J. 2012. Association of freezing tolerance to LpCBFIIIb and LpCBFIIIc gene polymorphism in perennial ryegrass accessions. Crop Science. 52:2023-2029.Chromosome location, DNA markers and rust resistance of the sunflower gene R5

- (Peer Reviewed Journal)Qi, L., Gulya Jr, T.J., Hulke, B.S., Vick, B.A. 2012. Chromosome location, DNA markers and rust resistance of the sunflower gene R5. Molecular Breeding. 30:745-756.Molecular mapping of the rust resistance gene R4 to a large NBS-LRR cluster on linkage group 13 of sunflower

- (Peer Reviewed Journal)Qi, L., Hulke, B.S., Vick, B.A., Gulya, T.J. 2011. Molecular mapping of the rust resistance gene R4 to a large NBS-LRR cluster on linkage group 13 of sunflower. Theoretical and Applied Genetics. 123(2):351-358.Development of insect resistant sunflowers: Updates and challenges

- (Other)Chirumamilla, A., Charlet, L.D., Hulke, B.S., Knodel, J. 2011. Development of insect resistant sunflowers: Updates and challenges. Presentation at the National Sunflower Association Research Forum, January 12-13, 2011, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-forum-presentations/2011/Progress in sunflower Sclerotinia research: Pyramiding head rot resistance into elite lines and association mapping of stalk rot resistance using candidate genes

- (Proceedings)Talukder, Z., Hulke, B.S., Qi, L., Gulya, T.J. 2011. Progress in sunflower Sclerotinia research: Pyramiding head rot resistance into elite lines and association mapping of stalk rot resistance using candidate genes. Sunflower Research Forum, National Sunflower Association, January 19-21, 2011, Fargo, ND. Available: http://www.sunflowernsa.com/research/searchable-database-of-forum-papers/Development of insect resistant sunflowers: Updates and challenges

- (Proceedings)Chirumamilla, A., Charlet, L.D., Hulke, B.S., Aiken, R.M., Knodel, J. 2011. Development of insect resistant sunflowers: Updates and challenges. Sunflower Research Forum, National Sunflower Association, January 19-21, 2011, Fargo, ND. http://www.sunflowernsa.com/research/searchable-database-of-forum-papers/Evaluating perennial sunflower for wildlife and food uses

- (Other)Kantar, M.B., Betts, K., Stupar, R.M., Hulke, B.S., Wyse, D. 2011. Evaluating perennial sunflower for wildlife and food uses. Presentation at the Sunflower Research Forum, National Sunflower Association, January 19-21, 2011, Fargo, ND. Available: http://www.sunflowernsa.com/research/searchable-database-of-forum-papers/Breeding and quantitative genetics advances in sunflower Sclerotinia research

- (Other)Talukder, Z., Hulke, B.S., Qi, L., Gulya, T.J. 2011. Breeding and quantitative genetics advances in sunflower Sclerotinia research. Presentation at the National Sunflower Association Research Forum, January 12-13, 2011, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-forum-presentations/2011/Advances in breeding at USDA

- (Other)Hulke, B.S. 2011. Advances in breeding at USDA. Presentation at the National Sunflower Association Research Forum, January 12-13, 2011, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-forum-presentations/2011/Progress on introduction of rust resistance genes into confection sunflower

- (Other)Gong, L., Markell, S., Vick, B.A., Hulke, B.S., Gulya, T.J., Qi, L. 2011. Progress on introduction of rust resistance genes into confection sunflower. Presentation at the National Sunflower Association Research Forum, January 12-13, 2011, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-forum-presentations/2011/Present and future plans of the sunflower “Doubled Haploid” project

- (Other)Jan, C.C., Qi, L., Hulke, B.S., Fu, X. 2011. Present and future plans of the sunflower "Doubled Haploid" project. Sunflower Research Forum, January 12-13, 2011, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-forum-presentations/2011/Discovery of novel sources of resistance to head rot and stalk rot in cultivated sunflower and wild Helianthus

- (Abstract Only)Gulya, T.J., Hulke, B.S. 2011. Discovery of novel sources of resistance to head rot and stalk rot in cultivated sunflower and wild Helianthus. ARS Sclerotinia Initiative Annual Meeting, January 19-21, 2011, Bloomington, MN. p. 21.Breeding and quantitative genetics advances in sunflower Sclerotinia research

- (Abstract Only)Hulke, B.S., Talukder, Z., Qi, L., Gulya, T.J. 2011. Breeding and quantitative genetics advances in sunflower Sclerotinia research. ARS Sclerotinia Initiative Annual Meeting, January 19-21, 2011, Bloomington, MN. p. 23.Response-Additional Implications of Perennial Bioenergy Crops: Hydrology and Climate

- (Research Notes)Glover, J.D., Reganold, J.P., Bell, L.W., Borevitz, J., Brummer, E.C., Buckler Iv, E.S., Cox, C.M., Cox, T.S., Crews, T.E., Culman, S.W., Dehann, L.R., Eriksson, D., Gill, B.S., Holland, J.B., Hu, F., Hulke, B.S., Ibrahim, A., Jackson, W., Jones, S.S., Murray, S.C., Paterson, A.H., Ploschuk, E., Sacks, E.J., Snapp, S., Tao, D., Van Tassel, D.L., Wade, L.J., Wyse, D.L., Xu, Y. 2010. Perennial questions of hydrology and climate - response. Science. 330:33-34.Identification of resistance to new virulent races of rust in sunflowers and validation of DNA markers in the gene pool

- (Peer Reviewed Journal)Qi, L.-L., Gulya, T.J., Seiler, G.J., Hulke, B.S., Vick, B.A. 2011. Identification of resistance to new virulent races of rust in sunflowers and validation of DNA markers in the gene pool. Phytopathology. 101:241-249.Activation of Polyphenol Oxidase in Dormant Wild Oat Caryopses by a Seed-Decay Isolate of Fusarium avenaceum

- (Peer Reviewed Journal)Anderson, J.V., Fuerst, E., Tedrow, T., Hulke, B.S., Kennedy, A.C. 2010. Activation of polyphenol oxidase in dormant wild oat caryopses by a seed-decay isolate of Fusarium avenaceum. Journal of Agricultural and Food Chemistry. 58:10597-10605.Using SNPs and Applying Them to Sunflower's Problems - What Will This Look Like?

- (Other)Hulke, B.S. 2010. Using SNPs and Applying Them to Sunflower's Problems - What Will This Look Like? Presentation at the National Sunflower Association Summer Seminar, June 22-24, 2010, Bismarck, ND. Available: http://www.sunflowernsa.com/uploads/Hulke_2009genetictrials_10.pdfIncreasing food and ecosystem security through perennial grains

- (Peer Reviewed Journal)Glover, J.D., Reganold, J.P., Bell, L.W., Borevitz, J., Brummer, E.C., Buckler Iv, E.S., Cox, C.M., Cox, T., Crews, T.E., Culman, S.W., Dehann, L.R., Eriksson, D., Gill, B., Holland, J.B., Hu, F.Y., Hulke, B.S., Ibrahim, A., Jackson, W., Jones, S., Murray, S., Paterson, A.H., Ploschuk, E., Sacks, E.J., Snapp, S., Tao, D.Y., Van Tassel, D., Wade, L., Wyse, D., Xu, Y. 2010. Increasing food and ecosystem security through perennial grains. Science. 328:1638-1639.Registration of the restorer oilseed sunflower germplasm RHA 464 possessing genes for resistance to downy mildew and sunflower rust

- (Peer Reviewed Journal)Hulke, B.S., Miller, J.F., Gulya, T.J. 2010. Registration of the restorer oilseed sunflower germplasm RHA 464 possessing genes for resistance to downy mildew and sunflower rust. Journal of Plant Registrations. 4:249-254.Research Progress and Results from the 2009 Sunflower Genetics Trials

- (Other)Hulke, B.S. 2010. Research Progress and Results from the 2009 Sunflower Genetics Trials. Presentation at the 32nd Sunflower Research Workshop, January 13-14, 2010, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-workshop/documents/Hulke_GeneticTrials_10.pdfNew Sunflower Rust Projects in the USDA Sunflower Research Unit

- (Other)Qi, L., Gulya, T.J., Hulke, B.S., Vick, B.A. 2010. New Sunflower Rust Projects in the USDA Sunflower Research Unit. 32nd Sunflower Research Workshop, January 13-14, 2010, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-workshop/documents/Qi_Rust_10.pdfUpdate on Host Plant Resistance Studies of Banded Sunflower Moth and Sunflower Moth

- (Proceedings)Chirumamilla, A., Charlet, L.D., Hulke, B.S., Seiler, G.J., Gross, T.A., Knodel, J.J., Aiken, R.M. 2010. Update on Host Plant Resistance Studies of Banded Sunflower Moth and Sunflower Moth. 32nd Sunflower Research Workshop, January 13-14, 2010, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-workshop/documents/Chiru_UpdateHostPlant_10.pdfThe Development of Perennial Sunflower for Wildlife and Food Uses

- (Other)Kantar, M., Betts, K., Stupar, B., Hulke, B., Wyse, D. 2010. The Development of Perennial Sunflower for Wildlife and Food Uses. Poster presented at the 8th Annual Sclerotinia Initiative Meeting, January 20-22, 2010, Bloomington, MN. Available: http://www.sunflowernsa.com/research/research-workshop/documents/Kantar_Perennial_WildlifeFood_10.pdfResistance of Sunflower Germplasm to the Sunflower Stem Weevil and Red Sunflower Seed Weevil and Evaluation of Commercial Hybrids for Resistance to the Sunflower Midge

- (Proceedings)Charlet, L.D., Hulke, B.S., Chirumamilla, A., Seiler, G.J., Grady, K.A., Aiken, R.M., Knodel, J.J. Resistance of Sunflower Germplasm to the Sunflower Stem Weevil and Red Sunflower Seed Weevil and Evaluation of Commercial Hybrids for Resistance to the Sunflower Midge. 32nd Sunflower Research Workshop, January 13-14, 2010, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-workshop/documents/Charlet_Germplasm_10.pdfEvaluation of Rust Resistance to New Virulent Races in USDA-Released Sunflower Breeding Lines and DNA Marker Validation in the Rust Resistance Gene Pool

- (Abstract Only)Evaluation of Rust Resistance to New Virulent Races in USDA-Released Sunflower Breeding Lines and DNA Marker Validation in the Rust Resistance Gene Pool

- (Abstract Only)Linkage Disequilibrium Among Two Lolium Perenne CBF Genes and Association With Freezing Susceptibility

- (Abstract Only)Bushman, B.S., Hulke, B.S., Ehlke, N. 2010. Linkage Disequilibrium Among Two Lolium Perenne CBF Genes and Association With Freezing Susceptibility. Plant and Animal Genome Conference, San Diego, CA. Meeting Abstract.Breeding and Quantitative Genetics Advances in Sunflower Sclerotinia Research

- (Abstract Only)Hulke, B.S., Talukder, Z., Qi, L., Gulya Jr, T.J. 2010. Breeding and Quantitative Genetics Advances in Sunflower Sclerotinia Research [abstract]. 8th Annual Sclerotinia Initiative Meeting, January 20-22, 2010, Bloomington, MN. p. 21.New Sources of Sclerotinia Stalk Rot in Cultivated USDA Sunflower Plant Introductions

- (Abstract Only)Gulya, T.J., Hulke, B.S. 2010. New Sources of Sclerotinia Stalk Rot in Cultivated USDA Sunflower Plant Introductions. 8th Annual Sclerotinia Initiative Meeting, January 20-22, 2010, Bloomington, MN. p. 20.Resistance in Cultivated Sunflower Germplasm to the Red Sunflower Seed Weevil (Coleoptera: Curculionidae) in the Northern Great Plains

- (Peer Reviewed Journal)Charlet, L.D., Seiler, G.J., Grady, K.A., Hulke, B.S., Chirumamilla, A. 2010. Resistance in Cultivated Sunflower Germplasm to the Red Sunflower Seed Weevil (Coleoptera: Curculionidae) in the Northern Great Plains. Journal of the Kansas Entomological Society. 83:51-57.Resistance in Cultivated Sunflower to the Sunflower Moth (Lepidoptera: Pyralidae) in the Central Plains

- (Peer Reviewed Journal)Charlet, L.D., Aiken, R.M., Seiler, G.J., Chirumamilla, A., Hulke, B.S., Knodel, J.J. 2008. Resistance in Cultivated Sunflower to the Sunflower Moth (Lepidoptera: Pyralidae). Journal of Agricultural and Urban Entomology. 25(4):245-257.Registration of the oilseed sunflower genetic stocks HA 458, HA 459, and HA 460 possessing genes for resistance to downy mildew

- (Peer Reviewed Journal)Hulke, B.S., Miller, J.F., Gulya, T.J., Vick, B.A. 2010. Registration of the Oilseed Sunflower Genetic Stocks HA 458, HA 459, and HA 460 Possessing Genes for Resistance to Downy Mildew. Journal of Plant Registrations. 4:93-97.Resistance Among Cultivated Sunflower Germplasm to the Banded Sunflower Moth (Lepidoptera: Tortricidae) in the Northern Great Plains

- (Peer Reviewed Journal)Charlet, L.D., Seiler, G.J., Miller, J.F., Hulke, B.S., Knodel, J.J. 2009. Resistance Among Cultivated Sunflower Germplasm to the Banded Sunflower Moth (Lepidoptera: Tortricidae) in the Northern Great Plains. Helia. 32:1-10.Determining Host-Plant Resistance Mechanisms for Banded Sunflower Moth

- (Proceedings)Chirumamilla, A., Charlet, L.D., Knodel, J.J., Gross, T.A., Hulke, B.S. 2009. Determining Host-Plant Resistance Mechanisms for Banded Sunflower Moth. Proceedings 31st Sunflower Research Workshop, National Sunflower Association, January 13-14, 2009, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-workshop/documents/Chiru_HostPlant_09.pdfDevelopment of Host-Plant Resistance as a Strategy to Reduce Damage from the Major Sunflower Insect Pests

- (Proceedings)Charlet, L.D., Aiken, R.M., Seiler, G.J., Knodel, J.J., Grady, K.A., Chirumamilla, A., Hulke, B.S. 2009. Development of Host-Plant Resistance as a Strategy to Reduce Damage from the Major Sunflower Insect Pests. Proceedings 31st Sunflower Research Workshop, National Sunflower Association, January 13-14, 2009, Fargo, ND. Available: http://www.sunflowernsa.com/research/research-workshop/documents/Charlet_Hostplant_09.pdfEvaluation of remote sensing to measure plant stress in Creeping Bentgrass (Agrostis stolonifera L.) fairways

- (Peer Reviewed Journal)Johnsen, A.R., Horgan, B.P., Hulke, B.S., Cline, V. 2009. Evaluation of Remote Sensing to Measure Plant Stress in Creeping Bentgrass (Agrostis stolonifera L.) Fairways. Crop Science. 49:2261-2274.New sunflower genetics

- (Other)Hulke, B.S. 2009. New Sunflower Genetics. Presentation at the Manitoba Special Crops Symposium, February 11-12, 2009, Winnipeg, MB, Canada. Available: http://www.manitobaspecialcrops.ca/pdfs/New%20Sunflower%20Genetics%20-%20Brent%20Hulke.pdfSummary of research needs for sunflower genetics

- (Other)Hulke, B.S. 2009. Summary of research needs for sunflower genetics. Presentation at 31st Sunflower Research Workshop, National Sunflower Association, January 13-14, 2009, Fargo, ND. Available: http://www.sunflowernsa.com/uploads/Hulke_SummarySFGenetics_09.pdfPyramiding Sclerotinia head rot and stalk rot resistances into elite sunflower breeding lines with the aid of DNA markers

- (Abstract Only)Hulke, B.S., Gulya, T.J., Hu, J. 2009. Pyramiding Sclerotinia Head Rot and Stalk Rot Resistances into Elite Sunflower Breeding Lines with the Aid of DNA Markers [abstract]. 2009 Sclerotinia Initiative Annual Meeting, January 21-23, 2009, Bloomington, MN. p. 22.Using new techniques and applying them to sunflower's problems - what should we do next?

- (Other)Hulke, B.S. 2008. Using new techniques and applying them to sunflower's problems - what should we do next?. Presentation at 2008 National Sunflower Association Summer Seminar, June 25-27, 2008, Rapid City, SD. National Sunflower Assocation, Bismarck, ND [CD-ROM].Using interspecific hybrids with Helianthus tuberosus L. to transfer genes for quantitative traits into cultivated sunflower, H. annuus L.

- (Proceedings)Hulke, B.S., Wyse, D.L. 2008. Using interspecific hybrids with Helianthus tuberosus L. to transfer genes for quantitative traits into cultivated sunflower, H. annuus L. Proceedings of 17th International Sunflower Conference, June 8-12, 2008, Cordoba, Spain. p. 729-734.New directions and changing faces for the USDA sunflower genetics programs

- (Other)Hulke, B.S. 2008. New directions and changing faces for the USDA sunflower genetics programs. Presentation at the 30th Sunflower Research Workshop, National Sunflower Association, January 10-11, 2008, Fargo, ND. Available: http://www.sunflowernsa.com/uploads/Hulke_USDAGenetics_08.pdfAdvances in the development of sunflower germplasm with resistance to both Sclerotinia stalk rot and head rot - 2007

- (Abstract Only)Gulya, T.J., Hulke, B.S. 2008. Advances in the development of sunflower germplasm with resistance to both Sclerotinia stalk rot and head rot - 2007. 6th Annual Sclerotinia Initiative Meeting, January 23-25, 2008, Bloomington, MN. p. 16.
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