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ARS Home » Pacific West Area » Aberdeen, Idaho » Small Grains and Potato Germplasm Research » People & Locations » Jonathan Whitworth
Jonathan Lee Whitworth
Small Grains and Potato Germplasm Research
Research Plant Pathologist

Phone: (208) 397-4181 ext. 112
Fax: (208) 397-4311

1693 S 2700 W
ABERDEEN , ID 83210
Projects
Potato Genetic Improvement for Enhanced Tuber Quality and Greater Productivity and Sustainability in Western U.S. Production
In-House Appropriated (D)
  Accession Number: 434381
Long Term Site for Foundation Seed Potato Increase
Grant (G)
  Accession Number: 427681
Collaborative Potato Research Between Scientists of the ARS Potato Breeding and Genetics Program and the Gansu Academy of Agricultural Sciences
Non-Funded Cooperative Agreement (N)
  Accession Number: 428128
Collaboration among Scientists of the Aberdeen Potato Program and the Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences
Non-Funded Cooperative Agreement (N)
  Accession Number: 432334
Risk Assessment and Eradication of Globodera spp. in U.S. Production of Potato
Reimbursable Cooperative Agreement (R)
  Accession Number: 431957
Biological & Economic Impacts of Emerging Potato Tuber Necrotic Viruses and the Development of Comprehensive and Sustainable Mgmt Practices
Reimbursable Cooperative Agreement (R)
  Accession Number: 428304
Development of Pale Cyst Nematode, Globodera pallida, (Gpa) Resistance and Screening for Potato Diseases Common to Idaho and the Pacific Northwest
Reimbursable Cooperative Agreement (R)
  Accession Number: 429403
Testing of Advanced Potato Germplasm for Agronomic, Storage, and Processing Quality Characteristics
Non-Assistance Cooperative Agreement (S)
  Accession Number: 431676
Testing of Potato Genotypes for Utilization by Industry in Washington State
Non-Assistance Cooperative Agreement (S)
  Accession Number: 431720
Advanced Breeding Line Evaluation, Testing and Hygienic Seed Multiplication of Potato for the Pacific Northwest
Non-Assistance Cooperative Agreement (S)
  Accession Number: 431722

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Introgression of Globodera resistance into the russet market class -
Symptom expression of Potato virus Y across all market classes of U.S. potato varieties -
Host resistance in potato to three Globodera species -
Breeding and development of Globodera-resistant potato varieties with long tuber shape and russet skin for production in the western United States -
Assessing potato cultivar sensitivity to tuber necrosis caused by Potato mop-top virus -
Yellareddygari, S.K.R., Whitworth, J.L., Gudmestad, N.C. 2018. Assessing potato cultivar sensitivity to tuber necrosis caused by Potato mop-top virus. Plant Disease. 102:1148-1153.
Reveille Russet: An early, widely adapted, high-count-carton russet for the fresh market -
Miller, Jr., J.C., Koym, J.W., Holm, D.G., Pavek, J.J., Novy, R.G., Whitworth, J.L., Stark, J.C., Charlton, B.A., Yilma, S., Pavek, M.J., Nunez, J.J., Wilson, R., Shock, C.C., Brown, C.R., Long, C.M. 2017. Reveille Russet: An early, widely adapted, high-count-carton russet for the fresh market. American Journal of Potato Research. 95(1):79-86.
Yukon Nugget: a mid-season yellow skin, yellow flesh specialty potato with extreme resistance to potato virus X -
Sathuvalli, V., Brown, C.R., Yilma, S., Charlton, B.A., Shock, C., Quick, R.A., Feibert, E., Whitworth, J.L., Novy, R.G., Stark, J.C., Pavek, M., Knowles, R., Navarre, D.A., Vales, I. 2016. Yukon Nugget: a mid-season yellow skin, yellow flesh specialty potato with extreme resistance to potato virus X. American Journal of Potato Research. 93(6):602-608.
Potato-related research at USDA-ARS laboratories in Washington and Idaho -
Horton, D.R., Cooper, W.R., Landolt, P.J., Thinakaran, J., Miliczky, E., Kaur, N., Navarre, D.A., Brown, C.R., Swisher, K.D., Novy, R.G., Whitworth, J.L. 2017. Potato-related research at USDA-ARS laboratories in Washington and Idaho. Potato Progress. 17(14):1-12.
Pomerelle Russet: An early maturing potato variety with high yield of U.S. No.1 tubers suitable for fresh market and early processing and resistance to Potato mop top virus and corky ringspot -
Stark, J.C., Novy, R.G., Whitworth, J.L., Knowles, R., Pavek, M.J., Thornton, M., Brown, C.R., Charlton, B.A., Sathuvalli, V., Brandt, T.L., Yilma, S. 2018. Pomerelle Russet: An early maturing potato variety with high yield of U.S. No.1 tubers suitable for fresh market and early processing and resistance to Potato mop top virus and corky ringspot. American Journal of Potato Research. 95(2):110-122.
Sage Russet: A new high yielding dual-purpose russet variety, with cold-sweetening resistance, high vitamin C and protein contents and excellent fresh pack and processing potential -
Yilma, S., Charlton, B.A., Shock, C.C., Hane, D.C., James, S.R., Mosley, A.R., Rykbost, K.A., Fiebert, E.G., Knowles, R., Pavek, M.J., Stark, J.C., Novy, R.G., Whitworth, J.L., Pavek, J.J., Corsini, D.L., Brandt, T.L., Olsen, N., Brown, C.R., Vales, I., Sathuvalli, V. 2017. Sage Russet: A new high yielding dual-purpose russet variety, with cold-sweetening resistance, high vitamin C and protein contents and excellent fresh pack and processing potential. American Journal of Potato Research. 94(4):379-389.
Potato virus Y transmission efficiency from different potato cultivars infected with single or multiple virus strains -
Mondal, S., Lin, Y., Carroll, J.E., Wenninger, E.J., Perez, N., Whitworth, J.L., Gray, S.M. 2017. Potato virus Y transmission efficiency from different potato cultivars infected with single or multiple virus strains. Phytopathology. 107:491-498.
Genetic fingerprinting of potato varieties from the Northwest Potato Variety Development Program -
Bali, S., Sathuvalli, V., Brown, C.R., Novy, R.G., Ewing, L., Debons, J., Douches, D., Coombs, J., Navarre, D.A., Whitworth, J.L., Charlton, B., Yilma, S., Shock, C., Stark, J., Pavek, M., Knowles, R. 2017. Genetic fingerprinting of potato varieties from the Northwest Potato Variety Development Program. American Journal of Potato Research. 94:54-63.
Payette Russet: A dual-purpose potato cultivar with cold-sweetening resistance, low acrylamide formation, and resistance to late blight and Potato Virus Y -
Novy, R.G., Whitworth, J.L., Stark, J.C., Schneider, B.L., Knowles, N.R., Pavek, M.J., Knowles, L.O., Charlton, B.A., Sathuvalli, V., Yilma, S., Brown, C.R., Thornton, M., Brandt, T.L., Olsen, N. 2017. Payette Russet: A dual-purpose potato cultivar with cold-sweetening resistance, low acrylamide formation, and resistance to late blight and Potato Virus Y. American Journal of Potato Research. 94:38-53.
Development of molecular markers closely linked to the potato leafroll virus resistance gene, Rlretb, for use in marker-assisted selection -
Kuhl, J.C., Novy, R.G., Whitworth, J.L., Dibble, M., Schneider, B.L., Hall, D.G. 2016. Development of molecular markers closely linked to the potato leafroll virus resistance gene, Rlretb, for use in marker-assisted selection. American Journal of Potato Research. 93(3):203-212.
Targhee Russet: A high yielding dual purpose, long russet potato cultivar having higher protein and vitamin C content and resistance to tuber soft rot -
Whitworth, J.L., Novy, R.G., Stark, J.C., Thornton, M., Knowles, N., Pavek, M.J., Spear, R., Brown, C.R., Charlton, B., Sathuvalli, V., Yilma, S., Brandt, T.L., Olsen, N. 2016. Targhee Russet: A high yielding dual purpose, long russet potato cultivar having higher protein and vitamin C content and resistance to tuber soft rot. American Journal of Potato Research. 93(2):189-201.
Mountain Gem Russet: A medium to late season potato variety with high early and full season yield potential and excellent fresh market characteristics -
Stark, J.C., Novy, R.G., Whitworth, J.L., Knowles, N.R., Pavek, M.J., Thornton, M., Spear, R., Brown, C.R., Charlton, B.A., Sathuvalli, V., Yilma, S., Olsen, N., Brandt, T.L. 2016. Mountain Gem Russet: A medium to late season potato variety with high early and full season yield potential and excellent fresh market characteristics. American Journal of Potato Research. 93(2):158-171.
Comparison of transmission efficiency of different isolates of Potato virus Y among three aphid vectors -
Mondal, S., Wenninger, E.J., Hutchinson, P.J., Whitworth, J.L., Shrestha, D., Eigenbrode, S.D., Bosque-Perez, N.A. 2016. Comparison of transmission efficiency of different isolates of Potato virus Y among three aphid vectors. Entomologia Experimentalis et Applicata. 158(3):258-268.
Acrylamide-forming potential and agronomic properties of elite US potato germplasm from the National Fry Processing Trial Reprint Icon -
Wang, Y., Bethke, P.C., Bussan, A.J., Glynn, M.T., Holm, D.G., Navarro, F.M., Novy, R.G., Palta, J.P., Pavek, M.J., Porter, G.A., Sathuvalli, V.R., Thompson, A.L., Voglewede, P.J., Whitworth, J.L., Parish, D.I., Endelman, J.B. 2015. Acrylamide-forming potential and agronomic properties of elite US potato germplasm from the National Fry Processing Trial. Crop Science. 56(1):30-39. doi: 10.2135/cropsci2015.03.0173.
ATTX961014-1R/Y a.k.a. Sierra Rose: A red skin, yellow flesh cultivar for the specialty/gourmet market -
Miller, J., Scheuring, D.C., Koym, J.W., Holm, D.G., Novy, R.G., Whitworth, J.L., Stark, J.C., Charlton, B.A., Yilma, S., Knowles, N., Pavek, M.J., Shock, C.C., Brown, C.R. 2015. ATTX961014-1R/Y a.k.a. Sierra Rose: A red skin, yellow flesh cultivar for the specialty/gourmet market. American Journal of Potato Research. 92:491-496.
Complete genomic characterization of a Potato mop-top virus isolate from the United States -
Complete genomic characterization of potato mop-topvirus isolate from the United States -
Ramesh, S.V., Raikhy, G., Brown, C.R., Whitworth, J.L., Pappu, H. 2014. Complete genomic characterization of potato mop-topvirus isolate from the United States. Archives of Virology. 159:3427-3422.
Interactions among potato genotypes, virus strains, and inoculation timing and methods in the Potato virus Y and green peach aphid pathosystem -
Shrestha, D., Wenninger, E.J., Hutchinson, P.J., Whitworth, J.L., Mondal, S., Eigenbrode, S.D., Bosque-Perez, N.A. 2014. Interactions among potato genotypes, virus strains, and inoculation timing and methods in the Potato virus Y and green peach aphid pathosystem. Environmental Entomology. 43:662-671.
Huckleberry Gold: A high antioxidant purple skin-yellow flesh specialty market cultivar with potato cyst nematode resistance (H1) and potato virus X resistance (Nb and Rx1) -
Whitworth, J.L., Novy, R.G., Stark, J.C., Love, S.L., Thomton, M.K., Charlton, B.A., Yilma, S., Knowles, R.N., Pavek, M.J., Wang, X., Pavek, J.J. 2014. Huckleberry Gold: A high antioxidant purple skin-yellow flesh specialty market cultivar with potato cyst nematode resistance (H1) and potato virus X resistance (Nb and Rx1). American Journal of Potato Research. 91:447-458.
Teton Russet: an early-maturing, dual-purpose potato cultivar having higher protein and vitamin C content, low Asparagine, and resistances to common scab and Fusarium dry rot -
Novy, R.G., Whitworth, J.L., Stark, J.C., Charlton, B.A., Yilma, S., Knowles, N.R., Pavek, M.J., Spear, R.R., Brandt, T.L., Olsen, N., Thornton, M., Brown, C.R., James, S.R., Hane, D.C. 2014. Teton Russet: an early-maturing, dual-purpose potato cultivar having higher protein and vitamin C content, low Asparagine, and resistances to common scab and Fusarium dry rot. American Journal of Potato Research. 91(4):380-393.
Work of multiple organizations to improve seed potato health in U.S.A. and an example of change to reduce Potato virus Y in seed potato lots -
Whitworth, J.L., Nolte, P. 2015. Work of multiple organizations to improve seed potato health in U.S.A. and an example of change to reduce Potato virus Y in seed potato lots. In: Low, J., Nyongesa, M., Quinn, S., Parker, M., editors. Potato and Sweetpotato in Africa: Transforming the Value Chains for Food and Nutrition Security. United Kingdom: CABI. p. 274-278.
Detection of potato mop top virus (Furovirus) on potato in southeast Idaho -
Whitworth, J.L., Crosslin, J. 2013. Detection of potato mop top virus (Furovirus) on potato in southeast Idaho. Plant Disease. 97(1):149.1
Generation of PVY coat protein siRNAs in transgenic potatoes resistant to PVY. Reprint Icon -
Mc Cue, K.F., Ponciano, G.P., Rockhold, D.R., Whitworth, J.L., Gray, S.M., Fofanov, Y., Belknap, W.R. 2012. Generation of PVY coat protein siRNAs in transgenic potatoes resistant to PVY. American Journal of Potato Research. 89(5):374-383. DOI: 10.1007/s12230-012-9257-0.
“AmaRosa,” a red skinned, red fleshed fingerling with high phytonutrient value -
Brown, C.R., Valves, M., Yilma, S., James, S., Hane, D., Shock, C., Feibert, E., Charlton, B., Culp, D., Pavek, M., Knowles, R., Novy, R.G., Whitworth, J.L., Stark, J., Miller, J., Holm, D., Navarre, D.A. 2012. “AmaRosa,” a red skinned, red fleshed fingerling with high phytonutrient value. American Journal of Potato Research. 89:249-254. DOI 10.1007/s12230-012-9248-1.
Purple Pelisse: A specialty fingerling potato with purple skin and flesh and medium specific gravity -
Vales, M.I., Brown, C.R., Yilma, S., Hane, D.C., James, S.R., Shock, C.C., Charlton, B.A., Karaagac, E., Mosley, A.R., Culp, D., Feibert, E., Stark, J.C., Pavek, M.J., Knowles, N.R., Novy, R.G., Whitworth, J.L. 2012. Purple Pelisse: A specialty fingerling potato with purple skin and flesh and medium specific gravity. American Journal of Potato Research. 89:306-314.
Resistance to PVY using siRNA in transgenic potatoes(Abstract) -
Mc Cue, K.F., Rockhold, D.R., Ponciano, G.P., Gray, S.M., Whitworth, J.L., Fofanov, Y., Belknap, W.R. 2013. Resistance to PVY using siRNA in transgenic potatoes(Abstract). American Journal of Potato Research. 90(2):p138-139.
Strain specificity and simultaneous transmission of closely related strains of a Potyvirus by Myzus persicae -
Srinivasan, R., Hall, D.G., Cervantes, F.A., Alvares, J.M., Whitworth, J.L. 2012. Strain specificity and simultaneous transmission of closely related strains of a Potyvirus by Myzus persicae. Journal of Economic Entomology. Vol 105:783-791.
Owyhee Russet: A variety with high yields of U.S. no. 1 tubers, excellent processing quality, and moderate resistance to Fusarium dry rot (Fusarium solani var. coeruleum) -
Yilma, S., Vales, M., Charton, B.A., Hane, D.C., James, S.R., Shock, C.C., Mosley, A.R., Culp, D., Feibert, E., Leroux, L., Karaagac, E., Knowles, N., Pavek, M., Stark, J.C., Novy, R.G., Whitworth, J.L., Pavek, J.J., Corsini, D.L., Brandt, T.L., Olsen, N., Brown, C.R. 2012. Owyhee Russet: A variety with high yields of U.S. no. 1 tubers, excellent processing quality, and moderate resistance to Fusarium dry rot (Fusarium solani var. coeruleum). American Journal of Potato Research. 89:175-183.
Distribution of Potato virus Y strains in tubers during the post-harvest period -
Whitworth, J.L., Hamm, P.B., Nolte, P. 2012. Distribution of Potato virus Y strains in tubers during the post-harvest period. American Journal of Potato Research. Volume 89:2:136-141.
Palisade Russet: A late blight resistant potato cultivar having a low incidence of sugar ends and high specific gravity -
Novy, R.G., Whitworth, J.L., Stark, J.C., Charton, B.A., Yilma, S., Knowles, N.R., Pavek, M.J., Brandt, T.L., Gupta, S., Olsen, N., Thornton, M., Brown, C.R., Corsini, D.L., Pavek, J.J., James, S.R., Hane, D.C., Lozoya-Saldana, H., Vales, I. 2012. Palisade Russet: A late blight resistant potato cultivar having a low incidence of sugar ends and high specific gravity. American Journal of Potato Research. 89:89-101.
Alpine Russet: A potato cultivar having long tuber dormancy making it suitable for processing from long-term storage -
Whitworth, J.L., Novy, R.G., Stark, J.C., Pavek, J.J., Corsini, D.L., Love, S.L., Olsen, N., Gupta, S.K., Brandt, T., Vales, I.M., Mosley, A.R., Yilma, S., James, S.R., Hane, D.C., Charlton, B.A., Shock, C.C., Knowles, R.N., Pavek, M.J., Miller, J.S., Brown, C.R. 2011. Alpine Russet: A potato cultivar having long tuber dormancy making it suitable for processing from long-term storage. American Journal of Potato Research. 88: 256-268.
The changing face of Potato virus Y -
Gray, S.M., Karasev, A., Lorenzen, J., Whitworth, J.L., Nolte, P., Groves, R., Charkowski, A. 2010. The changing face of Potato virus Y. Plant Management Network. Available: http://www.plantmanagementnetwork.org/edcenter/seminars/Potato/PotatoVirusY/player.html.
Potato virus Y: an evolving concern for potato crops in the United States and Canada -
Gray, S.M., De Boer, S., Lorenzen, J., Karasev, A., Whitworth, J.L., Nolte, P., Singh, R., Boucher, A., Xu, H. 2010. Potato virus Y: an evolving concern for potato crops in the United States and Canada. Plant Disease. 94:1384-1397.
Clearwater Russet: A dual-purpose potato cultivar with cold sweetening resistance, high protein content, and low incidence of external defects and sugar ends -
Novy, R.G., Whitworth, J.L., Stark, J.C., Love, S.L., Corsini, D.L., Pavek, J.J., Vales, M.I., James, S.R., Hane, D.C., Shock, C.C., Charlton, B.A., Brown, C.R., Knowles, N.R., Pavek, M.J., Brandt, T.L., Gupta, S., Olsen, N. 2010. Clearwater Russet: A Dual-Purpose Potato Cultivar with Cold Sweetening Resistance, High Protein Content, and Low Incidence of External Defects and Sugar Ends. American Journal of Potato Research. 87:458-471.
Classic Russet: A Potato Cultivar with Excellent Fresh Market Characteristics and High Yields of U.S. No. 1 Tubers Suitable for Early Harvest or Full-Season Production. -
Stark, J.C., R.G. Novy, J. L.Whitworth, N.R. Knowles, M.J. Pavek, S.L. Love ,M.I. Vales, S.R. James, D.C. Hane, C.R. Brown, B.A. Charlton, D.L. Corsini, J.J. Pavek, N. Olsen and T. Brandt. 2010. Classic Russet: A Potato Cultivar with Excellent Fresh Market Characteristics and High Yields of U.S. No. 1 Tubers Suitable for Early Harvest or Full-Season Production. Amer. J. Potato Res. 87:360-373.
Expression of siRNA Conferring Resistance to PVY in Transgenic Potatoes -
Yukon Gem: A yellow-fleshed potato cultivar suitable for fresh-pack and processing with resistances to PVYO and late blight. -
Whitworth, J.L., Novy, R.G., Stark, J., Pavek, J.J., Corsini, D.L., Love, S.L., Miller, J.S., Vales, M.I., Mosley, A.R., Yilma, S., James, S.R., Hane, D.C., Charlton, B.A., Brown, C.R., Knowles, N.R., Pavek, M.J. 2010. Yukon Gem: A yellow-fleshed potato cultivar suitable for fresh-pack and processing with resistances to PVYO and late blight. Amer J Potato Res. 87:327-336.
Effect of potato virus Y on yield of a clonal selection of Russet Norkotah -
Whitworth J.L., Hamm, P.B., McIntosh, C.S. 2010. Effect of potato virus Y on yield of a clonal selection of Russet Norkotah potato. Amer J Potato Res. 87:310-314.
Common scab trials of potato varieties and advanced selections at three U.S. locations Reprint Icon -
Haynes, K.G., Wanner, L.A., Thill, C.A., Bradeen, J.M., Miller, J., Novy, R.G., Whitworth, J.L., Corsini, D.L., Vinyard, B.T. 2010. Common Scab Trials of Potato Varieties and Advanced Selections at Three U.S. Locations. American Journal of Potato Research. 86:261-276.
Molecular Characterization of two Potato Virus S Isolates from Late Blight Resistant Genotypes of Potato (Solanum tuberosum) -
Y-H., Druffel K.L., Whitworth J., Pavek M.J., Pappu H.R. 2009. Molecular characterization of two Potato Virus S isolates from late blight resistant genotypes of potato (Solanum tuberosum). Archives of Virology. 154:1861-1863
Serological properties of ordinary and necrotic isolates of potato virus Y: a case study of PVYN misidentification -
Karasev, A.V., Nikolaeva, O.V., Hu, X., Sielaff, Z., Whitworth, J.L., Lorenzen, J., Gray, S.M. 2009. Serological properties of ordinary and necrotic isolates of potato virus Y: a case study of PVYN misidentification. American Journal of Potato Research. 87:1-9. Available: http://www.springerlink.com/content/04u8141225868w72/
Results of the 2007 National Common Scab Trials of potato varieties and advanced selections -
Haynes, K.G., Wanner, L.A., Thill, C.A., Bradeen, J.M., Miller, J., Novy, R.G., Whitworth, J.L. 2010. Results of the 2007 National Common Scab Trials of potato varieties and advanced selections. American Journal of Potato Research. 87:126.
Mapping of the potato leafroll virus resistance gene, Rlretb, from Solanum etuberosum identifies interchromosomal translocations among its E-genome chromosomes 4 and 9 relative to the A-genome of Solanum L. sect. Petota -
Kelley, K., Whitworth, J.L., Novy, R.G. 2009. Mapping of the potato leafroll virus resistance gene, Rlretb, from Solanum etuberosum identifies interchromosomal translocations among its E-genome chromosomes 4 and 9 relative to the A-genome of Solanum L. sect. Petota. 2009 Molecular Breeding 23:489-500.
Characterization of broad spectrum Potato virus Y resistance in a Solanum tuberosum ssp. andigena-derived population and select breeding clones using molecular markers, grafting, and field inoculations. -
Whitworth, J.L., Novy, R.G., Hall, D.G., Crosslin, J., Brown, C.R. 2009. Characterization of broad spectrum Potato virus Y resistance in a Solanum tuberosum ssp. andigena-derived population and select breeding clones using molecular markers, grafting, and field inoculations. American Journal of Potato Research. 86:286-296.
Highland Russet: A Full Season, Processing Variety with High Yields of Uniform U.S. No. 1 Tubers -
Stark, J.C., R.G. Novy, J.L. Whitworth, S.L. Love, D.L. Corsini, J.J. Pavek, M.I. Vales, S.R. James, D.C. Hane, B.A. Charlton, C.R. Brown, N.R. Knowles, M.J. Pavek, T.L. Brandt, and N. Olsen. 2009. Highland Russet: A Full Season, Processing Variety with High Yields of Uniform U.S. No. 1 Tubers. American Journal of Potato Research 86:171-182
Identification of Potato virus Y Strains Associated with Tuber Damage During a Recent Virus Outbreak in Potato in Idaho -
Karasev, A.V., Meacham, T., Hu, X., Whitworth, J.L., Gray, S.M., Olsen, N., Nolte, P. 2008. Identification of Potato virus Y Strains Associated with Tuber Damage During a Recent Virus Outbreak in Potato in Idaho. Plant Disease.92:1371
Identification of Potato virus Y Strains Associated with Tuber Damage During a Recent Virus Outbreak in Potato in Idaho -
Karasev, A.V., Meacham, T., Hu, X., Whitworth, J.L., Gray, S.M., Olsen, N., Nolte, P. 2008. Identification of Potato virus Y Strains Associated with Tuber Damage During a Recent Virus Outbreak in Potato in Idaho. Plant Disease. 92:1371.
Emerging diversity in Potato virus Y poses new challenges for the U.S. potato industry -
Gray, S.M., Karasev, A., Lorenzen, J., Whitworth, J.L., Nolte, P., Perry, K. 2008. Emerging diversity in Potato virus Y poses new challenges for the U.S. potato industry. Phytopathology. 98:S61.
PREMIER RUSSET: A Dual-Purpose, Potato Cultivar with Significant Resistance to Low Temperature Sweetening During Long-Term Storage -
Novy, R.G., Whitworth, J.L., Stark, J.C., Love, S.L., Corsini, D.L., Pavek, J.J., Vales, M.I., James, S.R., Hane, D.C., Shock, C.C., Charlton, B.A., Brown, C.R., Knowles, N.R., Pavek, M.J., Brandt, T.L., Olsen, N. 2008. Premier russet: a dual-purpose, potato cultivar with significant resistance to low temperature sweetening during long-term storage. American Journal of Potato Research. 85:198-209
Willamette: A Chipping Cultivar with High Yield and Specific Gravity, Low Incidence of Hollow Heart and Brown Center, and Suitability for Fresh-Market Usage -
Mosley, A.R., Yilma, S., Hane, D.C., James, S.R., Rykbost, K.A., Shock, C.C., Love, S.L., Corsini, D.L., Pavek, J.J., Thornton, R.E., Charlton, B.A., Eldredge, E.P., Novy, R.G., Pavek, M.J., Knowles, N.R., Whitworth, J.L., Brown, C.R., Stark, J.C., Vales, M.I. 2008. Willamette: A Chipping Cultivar with High Yield and Specific Gravity, Low Incidence of Hollow Heart and Brown Center, and Suitability for Fresh-Market Usage. American Journal of Potato Research 85(1): 85-92
Blazer Russet: An early to mid-season potato cultivar with high U.S. No. 1 yields and good processing and culinary qualities. -
Stark, J.C., Novy, R.G., Love, S.L., Whitworth, J.L., Corsini, D.L., Pavek, J.J., Mosley, A.R., Pavek, M.J., Knowles, N.R., Thornton, R.E., James, S.R., Hane, D.C., Olsen, N., Vales, M.I., Brown, C.R. 2007. Blazer Russet: An early to mid-season potato cultivar with high U.S. No. 1 yields and good processing and culinary qualities.. American Journal of Potato Research. 84 (6):467-477
Multiple-Site Identification of Potato Parent Clones Conferring High Levels of Late Blight Resistance with a Corresponding Genetic Model for Resistance -
Whitworth, J.L., Novy, R.G., Pavek, J.J., Corsini, D.L., Lozoya-Saldana, H., Yilma, S., Mosley, A.R. 2007. Multiple-Site Identification of Potato Parent Clones Conferring High Levels of Late Blight Resistance with a Corresponding Genetic Model for Resistance. American Journal of Potato Research.84: 313-321
Incidence, transmission and molecular characterization of Potato virus S from selected potato cultivars in Washington State -
Pappu, H., Druffel, K., Whitworth J. and Pavek, M. 2007. Incidence, transmission and molecular characterization of Potato virus S from selected potato cultivars in Washington State. Phytopathology 97:S89 (Abstract)
Potato breeding and certification in North America -
Whitworth, J.L., Novy R.G. 2007. Potato Breeding and certification in North America. Phytopathology 97:S153 (Abstract)
CHARACTERIZATION OF THE EXPRESSION AND INHERITANCE OF POTATO LEAFROLL VIRUS (PLRV) AND POTATO VIRUS Y (PVY) RESISTANCE IN THREE GENERATIONS OF GERMPLASM DERIVED FROM SOLANUM ETUBEROSUM -
Novy, R.G., Gillen, A.M., Whitworth, J.L. 2007. Characterization of the expression and inheritance of potato leafroll virus (PLRV) and potato virus y (PVY) resistance in three generations of germplasm derived from solanum etuberosum. Theoretical and Applied Genetics. 114:1161-1172
Segregation of progeny of Solanum tuberosum subsp. andigena for foliar and tuber resistance to late blight. -
Novy, R.G., Miller, J.S., Porter, L., Whitworth, J.L., Lozoya-Saldana, H. 2007. Segregation of progeny of Solanum tuberosum subsp. andigena for foliar and tuber resistance to late blight.. American Journal of Potato Research. 84(1): 106-107
Development of molecular markers for introgression of potato leafroll virus resistance from S. etuberosum into cultivated potato -
Kelley, K., Gillen, A.M., Whitworth, J.L., Novy, R.G. Development of molecular markers for introgression of potato leafroll virus resistance from S. etuberosum into cultivated potato. American Journal of Potato Research. 84(1):97
Identification of potato breeding clones that confer high levels of late blight resistance to their progeny -
Whitworth, J.L., Novy R.G., Lozoya-Saldana H., Yilma S., Mosley, A.R. and Vales I.M.. Identification of potato breeding clones conferring high levels of late blight resistance to their progeny in Toluca Valley, Mexico. Amer. J. Potato Res 84:120 (Abstract)
Genetic Contribution to the Management of the Potato Crop (Contribucion Genetica al Manejo del Cultivo de la Papa) -
Brown, C.R. and J. Whitworth. 2006. Genetic Contribution to the Management of the Potato Crop. Proceedings of the 45th Annual Washington State Potato Conference. February 7-9, 2006, Moses Lake, WA. pp. 145-149
GEMSTAR RUSSET: A NEW RUSSET POTATO VARIETY WITH HIGH YIELD, GOOD CULINARY QUALITY, EXCELLENT FRESH MARKET APPEARANCE, AND RESISTANCE TO COMMON SCAB -
Love, S.L., Novy, R.G., Whitworth, J.L., Corsini, D.L., Pavek, J.J., Mosley, A.R., Pavek, M.J., Knowles, R.K., Brown, C.R., James, S.R., Hane, D.C. 2006. Gemstar russet: a new russet potato variety with high yield, good culinary quality, excellent fresh market appearance, and resistance to common scab. American Journal of Potato Research. 2006. 83:171-180.
THE PRIMARY IN VITRO STEROIDAL ALKALOID GLUCOSYLTRANSFERASE FROM POTATO (SOLANUM TUBEROSUM) -
Mc Cue, K.F., Allen, P.V., Shepherd, L., Blake, A., Whitworth, J.L., Maccree, M., Rockhold, D.R., Stewart, D., Davies, H., Belknap, W.R. 2006. The primary in vitro steroidal alkaloid glucosyltransferase from potato (solanum tuberosum). Phytochemistry. 67 (15):1590-1597
EFFECT OF POTATO VIRUS Y ON YIELD OF THREE POTATO CULTIVARS GROWN UNDER DIFFERENT NITROGEN LEVELS. -
Whitworth, J.L., Nolte, P., Mcintosh, C., Davidson, R. 2006. Effect of potato virus y on yield of three potato cultivars grown under different nitrogen levels.. Plant Disease. 90:73-76
DEFENDER: A HIGH-YIELDING, PROCESSING POTATO CULTIVAR WITH FOLIAR AND TUBER RESISTANCE TO LATE BLIGHT -
Novy, R.G., Love, S.L., Corsini, D.L., Pavek, J.J., Whitworth, J.L., Mosley, A.R., James, S.R., Hane, D.C., Shock, C.C., Rykbost, R.Y., Brown, C.R., Thornton, R.E., Knowles, N.R., Pavek, M.J., Olsen, N., Inglis, D.A. 2006. Defender: a high-yielding, processing potato cultivar with foliar and tuber resistance to late blight. American Journal of Potato Research.83(1):126
QUALITY SEED: SEED IMPROVEMENT, CULTIVAR AND HEALTHY SEED LOT SELECTION, AND THE CERTIFICATION PROCESS -
Whitworth, J.L., Davidson, R. 2007. Quality seed: seed improvement, cultivar and healthy seed lot selection, and the certification process. Potato Health Mangement 2nd Edition APS Series. 2nd ed. Minnesota: APS Press; 2008. p 31-42.
WESTERN RUSSET: A NEW POTATO VARIETY WITH EXCELLENT FRESH MARKET AND FROZEN-FRIED PROCESSING QUALITY AND FIELD RESISTANCE TO COMMON SCAB AND PVY -
Love, S.L., Novy, R.G., Whitworth, J.L., Corsini, D.L., Pavek, J.J., Mosley, A.R., Pavek, M.J., Knowles, R.K., Brown, C.R., James, S.R., Hane, D.C. 2006. Western russet: a new potato variety with excellent fresh market and frozen-fried processing quality and field resistance to common scab and pvy. American Journal of Potato Research. 2006. 83:161-169.
DEFENDER: A HIGH-YIELDING, PROCESSING POTATO CULTIVAR WITH FOLIAR AND TUBER RESISTANCE TO LATE BLIGHT -
Novy, R.G., Love, S., Corsini, D.L., Pavek, J.J., Whitworth, J.L., Mosley, A.R., James, S.R., Hane, D.C., Shock, C.C., Rykbost, K.A., Brown, C.R., Thornton, R.E., Knowles, N.R., Pavek, M.J., Olsen, N., Inglis, D.A. 2006. Defender: a high-yielding, processing potato cultivar with foliar and tuber resistance to late blight. American Journal of Potato Research. 83:9-19
POTATO VIRUS Y STRAINS -
Whitworth, J.L. 2005. Potato virus y strains. Electronic Publication.
EFFECT OF POTATO VIRUS Y (PVY) ON YIELD OF RUSSET NORKOTAH LINES -
Whitworth, J.L., Hamm, P.B., Hane, D.C., Mcintosh, C.S. 2006. Effect of potato virus y (pvy) on yield of russet norkotah lines. American Journal of Potato Research. 83:138.
SUMMIT RUSSET: A NEW RUSSET POTATO VARIETY WITH GOOD FRESH MARKET AND FROZEN PROCESSING QUALITIES -
Love, S.L., Novy, R.G., Whitworth, J.L., Corsini, D.L., Pavek, J.J., Mosley, A.R., Thornton, R.E., Knowles, N.R., James, S.R., Hane, D.C. 2005. Summit russet: a new russet potato variety with good fresh market and frozen processing qualities. American Journal of Potato Research. 82(6):425-432.
IDENTIFICATION AND CHARACTERIZATION OF A NOVEL UDP-GLUCOSE: SOLANIDINE GLUCOSYL TRANSFERASE AT THE COMMITTED STEP IN STEROIDAL GLYCOALKALOID BIOSYNTHESIS IN POTATOES. -
Mc Cue, K.F., Allen, P.V., Shepherd, L., Blake, A., Whitworth, J.L., Rockhold, D.R., Stewart, D., Davies, H., Belknap, W.R. 2005. Identification and characterization of a novel udp-glucose: solanidine glucosyl transferase at the committed step in steroidal glycoalkaloid biosynthesis in potatoes. American Journal of Potato Research. 83 (1): 123
CANADA/US-MANAGEMENT PLAN FOR POTATO VIRUSES THAT CAUSE TUBER NECROSIS -
EFFECT OF POTATO VIRUS Y ON YIELD OF POTATO GROWN UNDER DIFFERENT NITROGEN LEVELS (ABS.) -
Whitworth, J. L., Nolte, P., McIntosh, C. S, and Davidson, R. D. 2005. Effect of Potato Virus Y on yield of potato grown under different nitrogen levels (abs). American Journal of Potato Research 82:(1)96
VIRUS MANAGEMENT IN UNIVERSITY OF IDAHO; PROCEEDINGS OF THE WINTER COMMODITY SCHOOLS, 2004. VOL 36:137-140. -
Whitworth, J.L. 2004. Virus management in university of idaho; proceedings of the winter commodity schools, 2004. vol 36:137-140.. Idaho Potato School.
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