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United States Department of Agriculture

Agricultural Research Service

PAUL BETHKE

Molecular Biologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Ethylene in the atmosphere of commercial potato (Solanum tuberosum) storage bins and potential effects on tuber respiration rate and fried chip color - (Peer Reviewed Journal) - (04-Jun-14)
History and origin of Russet Burbank (Netted Gem) a sport of Burbank - (Peer Reviewed Journal)
Donnelly, D., Nassar, A., Kubow, S., Leclerc, Y., Li, X., Haroon, M., Molen, T., Bizimungu, B., Bamberg, J.B., Martin, M., Bethke, P.C. 2014. History and origin of Russet Burbank (Netted Gem) a sport of Burbank. American Journal of Potato Research. Available: http://link.springer.com/article/10.1007/s12230-014-9397-5/fulltext.html.
Vacuolar invertase gene silencing in potato (Solanum tuberosum L.) improves processing quality by decreasing the frequency of sugar-end defects - (Peer Reviewed Journal)
Zhu, X., Richael, C., Chamberlain, P., Busse, J.S., Bussan, A.J., Jiang, J., Bethke, P.C. 2014. Vacuolar invertase gene silencing in potato (Solanum tuberosum L.) improves processing quality by decreasing the frequency of sugar-end defects. PLoS One. 9(4):e93381. Available: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0093381.
Senescence sweetening of chip and fry processing potatoes - (Research Notes)
Bethke, P.C., Wiberley-Bradford, A.E. 2014. Senescence sweetening of chip and fry processing potatoes. Wisconsin Potato and Vegetable Growers Associaiton Conference Proceedings. p. 1.
Potato - (Book / Chapter)
Jansky, S.H., Spooner, D.M., Bethke, P.C. 2014. Potato. In: Diers, B., Specht, J., Carber, B., editors. Yield Gains in Major U.S. Field Crops. Madison, WI:Crop Science Society of America, Inc. p. 195-218.
Why are we still growing Russet Burbank? Part II. Being better than Russet Burbank is the easy part - (Trade Journal)
Bethke, P.C., Bussan, A.J. 2013. Why are we still growing Russet Burbank? Part II. Being better than Russet Burbank is the easy part. Common Tater. 65(9):20-21.
Storage research roundup - (Trade Journal)
Bethke, P.C. 2013. Storage research roundup. Common Tater. 65(9):12-13.
Why are we still growing Russet Burbank? Part I. The many weaknesses and great strengths of America’s No. 1 potato - (Trade Journal)
Bethke, P.C., Bussan, A.J. 2013. Why are we still growing Russet Burbank? Part I. The many weaknesses and great strengths of America’s No. 1 potato. Common Tater. 65(8):30-31.
Reducing the acrylamide content of processed potato products through germplasm improvement: opportunities, challenges and progress - (Proceedings)
Bethke, P.C. 2013. Reducing the acrylamide content of processed potato products through germplasm improvement: opportunities, challenges and progress. Aspects of Applied Biology. 116:2.
Yield gains in US potato, contributing factors and future prospects - (Abstract Only)
Jansky, S.H., Spooner, D.M., Bethke, P.C. 2013. Yield gains in US potato, contributing factors and future prospects [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 366-2.
Acrylamide in processed potato products - (Peer Reviewed Journal)
Bethke, P.C., Bussan, A.J. 2013. Acrylamide in processed potato products. American Journal of Potato Research. 90(5):403-424.
Post harvest storage and physiology - (Book / Chapter) - (14-Apr-13)
Retrospective view of North American potato (Solanum tuberosum L.) breeding in the 20th and 21st centuries Reprint Icon - (Peer Reviewed Journal)
Hirsch, C.N., Hirsch, C.D., Felcher, K., Coombs, J., Zarka, D., Van Deynze, A., De Jong, W., Veilleux, R.E., Jansky, S.H., Bethke, P.C., Douches, D.S., Buell, C.R. 2013. Retrospective view of North American potato (Solanum tuberosum L.) breeding in the 20th and 21st centuries. Genes, Genomes, Genetics. 3(6):1003-1013.
Monitoring and predicting shrink potential and future processing quality of potato tubers - (Proceedings)
Bethke, P.C., Miller, B., Bussan, A. 2014. Monitoring and predicting shrink potential and future processing quality of potato tubers. American Journal of Potato Research. 91(1):32-74.
Stem-end chip defect: trial summary from 2009-2012 - (Proceedings)
Bethke, P.C., Dickman, L., Wang, Y., Bussan, A. 2014. Stem-end chip defect: trial summary from 2009-2012. American Journal of Potato Research. 91(1):32-74.
The National Fry Processing Trial (NFPT) and SCRI Acrylamide project: Comprehensive, coordinated evaluation of fry processing clones with low acrylamide-forming potential - (Proceedings)
Bethke, P.C., Novy, R.G., Wang, Y., Bussan, A. 2014. The National Fry Processing Trial (NFPT) and SCRI Acrylamide project: Comprehensive, coordinated evaluation of fry processing clones with low acrylamide-forming potential. American Journal of Potato Research. 91(1):32-74.
Potato tuber dormancy - (Proceedings)
Bethke, P.C. 2013. Potato tuber dormancy [abstract]. Proceedings Wisconsin Annual Potato Meetings. p. 15.
Cold-induced sweetening, sugar ends, stem-end chip defect and acrylamide can be controlled effectively by silencing of the potato vacuolar invertase gene - (Proceedings)
Bethke, P.C., Zhu, X., Wiberley-Bradford, A.E., Bussan, A.J., Jiang, J. 2013. Cold-induced sweetening, sugar ends, stem-end chip defect and acrylamide can be controlled effectively by silencing of the potato vacuolar invertase gene [abstract]. Proceedings Wisconsin Annual Potato Meetings. p. 151.
Ethylene update - (Proceedings)
Bethke, P.C. 2013. Ethylene update [abstract]. Proceedings Wisconsin Annual Potato Meetings. p. 141.
Scri Acrylamide Project Update - (Proceedings)
Bethke, P.C., Wang, Y., Bussan, A.J. 2013. SCRI acrylamide project update [abstract]. Proceedings Wisconsin Annual Potato Meetings. p. 35.
Stem-end chip defect update - (Proceedings)
Bethke, P.C., Wang, Y., Bussan, A.J. 2013. Stem-end chip defect update [abstract]. Proceedings Wisconsin Annual Potato Meetings. p. 37.
Retrospective view of North American potato breeding in the 20th and 21st century - (Abstract Only)
Hirsch, C.N., Hirsch, C.D., Felcher, K., Coombs, J., Zarka, D., Van Deynze, A., De Jong, W., Veileux, R., Jansky, S.H., Bethke, P.C. 2013. Retrospective view of North American potato breeding in the 20th and 21st century [abstract]. Plant and Animal Genome Conference. Paper No. W695.
Effects of Verticillium dahliae infection on stem-end chip defect development in potatoes (Solanum tuberosum L.) Reprint Icon - (Peer Reviewed Journal)
Wang, Y., Bethke, P.C. 2013. Effects of Verticillium dahliae infection on stem-end chip defect development in potatoes (Solanum tuberosum L.). Crop Science. 53(2):595-601.
First things first - (Trade Journal)
Bethke, P.C. 2012. First things first. Common Tater. 64:16-17.
Stem-end defect in chipping potatoes (Solanum tuberosum L.) as influenced by mild environmental stresses - (Peer Reviewed Journal)
Wang, Y., Bussan, A.J., Bethke, P.C. 2012. Stem-end defect in chipping potatoes (Solanum tuberosum L.) as influenced by mild environmental stresses. American Journal of Potato Research. 89(5):392-399.
Detecting storage pathogens by monitoring volatiles in the storage atmosphere - (Abstract Only)
Bethke, P.C. 2012. Detecting storage pathogens by monitoring volatiles in the storage atmosphere [citation]. Potato Association of America Proceedings. Paper No. 011.
Long-term storage of low-invertase Katahdin at different temperature set points - (Abstract Only)
Bethke, P.C., Wiberley-Bradford, A.E., Jiang, J. 2012. Long-term storage of low-invertase Katahdin at different temperature set points [abstract]. Potato Association of America Proceedings. Paper No. 057.
Stem-end chip defect in response to high temperature stress - (Abstract Only)
Bethke, P.C., Wang, Y., Busse, J.S., Bussan, A.J. 2012. Stem-end chip defect in response to high temperature stress [abstract]. Potato Association of America Proceedings. Paper No. 020.
A century of potato breeding: improvement, diversification, and diversity - (Abstract Only)
Bethke, P.C., Jansky, S.H., Hansey, C., De Jong, W., Douches, D., Buell, C.R. 2012. A century of potato breeding: improvement, diversification, and diversity [abstract]. Potato Association of America Proceedings. Paper No. 031.
Patterns of fructose, glucose, and sucrose accumulation in snap and dry bean (Phaseolus vulgaris) pods - (Peer Reviewed Journal)
Vanden Langenberg, K.M., Bethke, P.C., Nienhuis, J. 2012. Patterns of fructose, glucose, and sucrose accumulation in snap and dry bean (Phaseolus vulgaris) pods. HortScience. 47(7):874-878.
Identification of quantitative trait loci associated with fructose, glucose and sucrose concentration in snap bean (Phaseolus Vulgaris L.) pods - (Peer Reviewed Journal)
Vandenlangenberg, K.M., Bethke, P.C., Nienhuis, J. 2012. Identification of quantitative trait loci associated with fructose, glucose and sucrose concentration in snap bean (Phaseolus Vulgaris L.) pods. Crop Science. 52:1593-1599.
The effect of photoperiod on tuberization in cultivated x wild potato species hybrids - (Peer Reviewed Journal)
Kittipadakul, P., Jansky, S.H., Bethke, P.C. 2012. The effect of photoperiod on tuberization in cultivated x wild potato species hybrids. Potato Research. 55(1):27-40.
The SCRI Acrylamide Project: Improved breeding and variety evaluation methods to reduce acrylamide content and increase quality in processed potato products - (Abstract Only)
Bethke, P.C., Bussan, A.J. 2012. The SCRI Acrylamide Project: Improved breeding and variety evaluation methods to reduce acrylamide content and increase quality in processed potato products. Potato Expo 2012.
Allocation of experimental resources to minimize the variance of genotype mean chip color and tuber composition - (Peer Reviewed Journal)
Mccann, L.C., Bethke, P.C., Casler, M.D., Simon, P.W. 2011. Allocation of experimental resources to minimize the variance of genotype mean chip color and tuber composition. Crop Science. 52(4):1475-1481.
Have your chip and eat it too! - (Trade Journal)
Bethke, P.C., Jiang, J. 2011. Have your chip and eat it too!. Common Tater. 63:26-27.
Potato Processing from Low Temperature Storage - (Trade Journal)
Bethke, P.C., Jiang, J. 2011. Potato Processing from Low Temperature Storage. Potato Grower. 40:20-21.
Stem end chip defect in tubers used for potato chip production - (Abstract Only)
Bethke, P.C., Wang, Y., Bussan, A.J. 2011. Stem end chip defect in tubers used for potato chip production [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 94-2.
Causes of stem end chip defect in chipping potatoes - (Abstract Only)
Bethke, P.C., Wang, Y., Bussan, A.J. 2011. Causes of stem end chip defect in chipping potatoes [abstract]. American Society of Plant Biologists Annual Meeting. Available: http://abstracts.aspb.org/pb2011/public/P01/P01011.html.
Atmospheric ethylene concentrations in research and commercial potato storages - (Proceedings)
Bethke, P.C. 2011. Atmospheric ethylene concentrations in research and commercial potato storages. American Journal of Potato Research. 89:31.
Stem-end Chip Defect Formation Under Controlled Environment Conditions and in the Field - (Proceedings)
Bethke, P.C., Wang, Y., Bussan, A.J. 2011. Stem-end chip defect formation under controlled environment conditions and in the field. Proceedings Wisconsin Annual Potato Meetings. 24:17-19.
Improving the Processing Quality of Existing Cultivars by Suppressing the Vacuolar Acid Invertase Gene - (Proceedings)
Bethke, P.C., Bhaskar, P.B., Wu, L., Jiang, J. 2011. Improving the processing quality of existing cultivars by suppressing the vacuolar acid invertase gene. Proceedings Wisconsin Annual Potato Meetings. 24:27-28.
Germplasm release: Tetraploid clones with resistance to cold-induced sweetening - (Peer Reviewed Journal)
Jansky, S.H., Hamernik, A.J., Bethke, P.C. 2011. Germplasm release: Tetraploid clones with resistance to cold-induced sweetening. American Journal of Potato Research. 88:218-225.
Developing cold-chipping potato varieties by silencing the vacuolar invertase gene - (Peer Reviewed Journal)
Wu, L., Bhasker, P.B., Zhang, R., Bethke, P.C., Busse, J.S., Jiang, J. 2011. Developing cold-chipping potato varieties by silencing the vacuolar invertase gene. Crop Science. 51(3):981-990.
Potato production in the United States - (Book / Chapter)
Jansky, S.H., Bethke, P.C., Halterman, D.A. 2011. Potato production in the United States. In: Coltura & Coltura, editors. The Potato. Milan, Italy:BayerCropScience. p. 760-769.
Suppression of the vacuolar invertase gene prevents cold-induced sweetening in potato - (Peer Reviewed Journal)
Bhaskar, P.B., Wu, L., Bethke, P.C., Vaillancourt, B., Jansky, S.H., Busse, J.S., Buell, R., Hamernik, A.J., Jiang, J. 2010. Suppression of the vacuolar invertase gene prevents cold-induced sweetening in potato. Plant Physiology. Available: http://www.plantphysiol.org/content/154/2/939.
Vine-Kill Treatment and Harvest Date Have Persistant Effects on Tuber Physiology After Harvest - (Peer Reviewed Journal)
Bethke, P.C., Busse, J.S. 2010. Vine-Kill Treatment and Harvest Date Have Persistant Effects on Tuber Physiology After Harvest. American Journal of Potato Research. 87(3):299-309.
Germplasm Release of Tetraploid Clones with Resistance to Cold-induced Sweetening - (Abstract Only)
Jansky, S.H., Hamernik, A.J., Bethke, P.C. 2011. Germplasm Release of Tetraploid Clones with Resistance to Cold-induced Sweetening. American Journal of Potato Research. 88:218-225.
Light-colored, Low Acrylamide Potato Chips - (Abstract Only)
Pudota, B., Wi, L., Bethke, P.C., Jiang, J. 2011. Light-colored, Low Acrylamide Potato Chips [abstract]. American Journal of Potato Research. 88:62-63.
Ethylene Gas in Storage - (Abstract Only)
Bethke, P.C. 2010. Ethylene Gas in Storage [abstract]. Proceedings Wisconsin Annual Potato Meetings. 23:43-45.
Similarities and Differences Between Sugar-end and Stem-end Chip Defects - (Abstract Only)
Wang, Y., Bussan, A.J., Bethke, P.C. 2010. Similarities and Differences Between Sugar-end and Stem-end Chip Defects [abstract]. Proceedings Wisconsin Annual Potato Meetings. 23:49-51.
Extensive Variation in Fried Chip Color and Tuber Composition in Cold-Stored Tubers of Wild Potato (Solanum) Germplasm - (Peer Reviewed Journal)
Mccann, L.C., Bethke, P.C., Simon, P.W. 2010. Extensive Variation in Fried Chip Color and Tuber Composition in Cold-Stored Tubers of Wild Potato (Solanum) Germplasm. Journal of Agriculture and Food Chemistry. 58(4):2368-2376.
Nitric oxide methods in seed biology - (Book / Chapter)
Bethke, P.C., Libourel, I., Vitecek, J., Jones, R.L. 2011. Nitric oxide methods in seed biology. In: Kermode, A.R. editor. Seed Dormancy:Methods and Protocols:773 Methods in Molecular Biology. New York, NY:Humana Press. 385-400.
Tuber Water and Pressure Potentials Decrease and Sucrose Contents Increase in Response to Moderate Drought and Heat Stress - (Peer Reviewed Journal)
Bethke, P.C., Sabba, R.P., Bussan, A.J. 2009. Tuber Water and Pressure Potentials Decrease and Sucrose Contents Increase in Response to Moderate Drought and Heat Stress. American Journal of Potato Research. 86(6):519-532.
Membrane Transport - (Book / Chapter) - (23-Jun-09)
The Effect of Vine Kill and Harvest Date on Tuber Skin Set, Respiration Rates and Tuber Sugars - (Abstract Only)
Bethke, P.C., Busse, J.S. 2009. The Effect of Vine Kill and Harvest Date on Tuber Skin Set, Respiration Rates and Tuber Sugars [abstract]. Potato Association of America Proceedings. Paper No. 43.
Ethylene in Storage: The Phantom Menace - (Proceedings)
Bethke, P.C. 2009. Ethylene in Storage: The Phantom Menace. Proceedings Wisconsin Annual Potato Meetings. 22:23-24.
The Effect of Vine Kill and Harvest Date on Tuber Respiration Rates and Tuber Sugars - (Proceedings)
Bethke, P.C. 2009. The Effect of Vine Kill and Harvest Date on Tuber Respiration Rates and Tuber Sugars. Proceedings Wisconsin Annual Potato Meetings. 22:111-112.
Sugar End Defect in Stressed Russet Burbank Potatoes Grown Under Controlled Environment Conditions - (Abstract Only)
Bethke, P.C., Sabba, R., Bussan, A.J. 2009. Sugar End Defect in Stressed Russet Burbank Potatoes Grown Under Controlled Environment Conditions. American Journal of Potato Research. 86(2):136.
Stem End Defect in Chipping Potatoes From Production Fields and Temperature-Controlled Greenhouses - (Abstract Only)
Bethke, P.C., Sabba, R., Higgins, C., Bussan, A.J. 2009. Stem End Defect in Chipping Potatoes From Production Fields and Temperature-Controlled Greenhouses. American Journal of Potato Research. 86(2):136.
The Effects of Boiling and Leaching on the Content of Potassium and Other Minerals in Potatoes - (Peer Reviewed Journal)
Bethke, P.C., Jansky, S.H. 2008. The Effects of Boiling and Leaching on the Content of Potassium and Other Minerals in Potatoes. Journal of Food Science. 73(5):H80-H85.
Validation of a simple, colorimetric, microplate assay using amplex red for the determination of glucose and sucrose in potato tubers and other vegetables - (Peer Reviewed Journal)
Bethke, P.C., Busse, J.S. 2008. Validation of a simple, colorimetric, microplate assay using amplex red for the determination of glucose and sucrose in potato tubers and other vegetables. American Journal of Potato Research. 85(6):414-421.
Physiological changes during the early days of storage - (Proceedings)
Bethke, P.C. 2008. Physiological changes during the early days of storage. Proceedings Wisconsin Annual Potato Meetings. 21:77-79.
Trouble at the stem end - (Proceedings)
Bethke, P.C. 2008. Trouble at the stem end. Proceedings Wisconsin Annual Potato Meetings. 21:95-96.
Rebirth and Death: Nitric Oxide and Reactive Oxygen Species in Seeds - (Book / Chapter)
Bethke, P.C. 2009. Rebirth and Death: Nitric Oxide and Reactive Oxygen Species in Seeds. In: Foyer, C., Faragher, R., Thornalley, P., editors. Redox Metabolism and Longevity Relationships in Animals and Plants. Vol. 62. New York, NY:Taylor and Francis Group. p. 17-30.
Rapid colorimetric microplate assay for determining glucose and sucrose content in potato tubers - (Abstract Only)
Bethke, P.C., Busse, J.S. 2007. Rapid colorimetric microplate assay for determining glucose and sucrose content in potato tubers [abstract]. Potato Association of America Proceedings 91st meeting. Paper No. 06A.
Rebirth and death: Nitric oxide and reactive oxygen species in seed - (Abstract Only)
Bethke, P.C., Libourel, I., Jones, R. 2007. Rebirth and death: Nitric oxide and reactive oxygen species in seed [abstract]. Comparative Biochemistry and Physiology. 146(4):S56.
Storage research in every season - (Proceedings)
Bethke, P.C. 2007. Storage research in every season. Proceedings Wisconsin Annual Potato Meetings. 20:91-94.
The Arabidopsis thaliana aleurone layer responds to nitric oxide, gibberellin, and abscisic acid and is sufficient and necessary for seed dormancy - (Peer Reviewed Journal)
Bethke, P.C., Libourel, I., Aoyama, N., Chung, Y., Still, D.W., Jones, R.L. 2007. The Arabidopsis thaliana aleurone layer responds to nitric oxide, gibberellin, and abscisic acid and is sufficient and necessary for seed dormancy. Plant Physiology. 143:1173-1188.
Last Modified: 8/5/2009