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Paul Bethke
Molecular Biologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Cool soil Increases potato (Solanum tuberosum) tuber number in multiple varieties and alters skin color intensity of ‘Red Norland’ and ‘Adirondack Blue’ - (Peer Reviewed Journal)
Bethke, P.C. 2023. Cool soil Increases potato (Solanum tuberosum) tuber number in multiple varieties and alters skin color intensity of ‘Red Norland’ and ‘Adirondack Blue’. American Journal of Potato Research. (2023) 100:79-86. https://doi.org/10.1007/s12230-022-09901-3.
A new beginning Producing Diploid Potato Seed - ()
Hamernik, A.J., Endelman, J., Bethke, P.C. 2023. A new beginning Producing Diploid Potato Seed. Common Tater. 75(59-63). https://issuu.com/bctater/docs/standard_923.
Potato tuber lenticels: A review of their structure, function, and disease susceptibility - (Peer Reviewed Journal)
Bethke, P.C. 2023. Potato tuber lenticels: A review of their structure, function, and disease susceptibility. American Journal of Potato Research. 2023) 100:253–264. https://doi.org/10.1007/s12230-023-09923-5.
QTL-seq analysis and linkage mapping reveal genomic regions contributing to the epicotyl length trait in adzuki bean (Vigna angularis) - (Peer Reviewed Journal)
Kachapila, M., Horiuchi, Y., Nagasawa, H., Michihata, N., Yoshida, T., Kato, Y., Bethke, P.C., Kato, K., Mori, M. 2023. QTL-seq analysis and linkage mapping reveal genomic regions contributing to the epicotyl length trait in adzuki bean (Vigna angularis). Agriculture. https://doi.org/10.3390/agriculture13071305.
Susceptibility of potato lenticels to infection by pathogens - (Proceedings)
Bethke, P.C. 2023. Susceptibility of potato lenticels to infection by pathogens. Symposium Proceedings. (2020) 1-6. https://doi.org/wpvga.conferencespot.org/event-data/pdf/a005/fl364.
Susceptibility of potato lenticels to infection by pathogens - (Proceedings)
Bethke, P.C. 2020. Susceptibility of potato lenticels to infection by pathogens. Symposium Proceedings. (2023) 26. https://doi.org/wpvga.conferencespot.org/event-data/pdf/a005/fl364.
Potatoes Need Oxygen - ()
Bethke, P.C. 2022. Breathe easy and stay well. Common Tater. August 2022:74:54-57.
Seeds of change - ()
Bethke, P.C. 2022. Seeds of change. Trade Journal Publication. 73:64-66.
Impact of true potato seed on the industry. - ()
Mitchell, P., Endelman, J., Bethke, P.C., Shi, G. 2022. Impact of true potato seed on the industry.. Common Tater. 74:61-66.
Impact of True Potato Seed on the Industry - (Peer Reviewed Journal)
Bethke, P.C., Halterman, D.A., Francis, D.M., Jiang, J.M., Douches, D.S., Charkowski, A.O., Parsons, J. 2022. Diploid potatoes as a catalyst for change in the potato industry. American Journal of Potato Research. (2022) 99:337–357. https://doi.org/10.1007/s12230-022-09888-x.
Diploid breeding is a new beginning. What does the ending look like? - (Proceedings)
Flowering time and productivity of interspecific grafts between pepper species in contrasting high tunnel-sheltered and open-field production environments in Costa Rica - (Peer Reviewed Journal)
Vega Alfaro, A., Ramirez, C., Chavez, G., Lacayo, F., Bethke, P.C., Nienhuis, J. 2021. Flowering time and productivity of interspecific grafts between pepper species in contrasting high tunnel-sheltered and open-field production environments in Costa Rica. HortTechnology. 31(6). https://doi.org/10.21273/HORTTECH04904-21.
Effects of interspecific grafting between Capsicum species on scion fruit quality characteristics - (Peer Reviewed Journal)
Vega Alfaro, A., Bethke, P.C., Nienhuis, J. 2021. Effects of interspecific grafting between Capsicum species on scion fruit quality characteristics. HortScience. 56(11):1347-1353. https://doi.org/10.21273/HORTSCI15948-21.
A high throughput method for generating dihaploids from tetraploid potato - (Peer Reviewed Journal)
Busse, J.S., Jansky, S.H., Agha, H., Schmitz Carley, C.A., Shannon, L.M., Bethke, P.C. 2021. A high throughput method for generating dihaploids from tetraploid potato. American Journal of Potato Research. 98:304–314. https://doi.org/10.1007/s12230-021-09844-1.
The effect of mother plant fertilization and stratification on the germination of true potato seed - (Peer Reviewed Journal)
Nashiki, A., Jansky, S.H., Bethke, P.C. 2021. The effect of mother plant fertilization and stratification on the germination of true potato seed. American Journal of Potato Research. 98, p. 194-201. https://doi.org/10.1007/s12230-021-09830-7.
Potato tuber lenticels - (Proceedings)
Bethke, P.C. 2023. Potato tuber lenticels. Proceedings Wisconsin Annual Potato Meetings. (2023) 100:253–264. https://doi.org/10.1007/s12230-023-09923-5.
Hyperspectral imagery to monitor crop nutrient status within and across growing seasons - (Peer Reviewed Journal)
Nanfeng, L., Wang, Y., Naber, M.R., Bethke, P.C., Hills, W.B., Townsend, P.A. 2021. Hyperspectral imagery to monitor crop nutrient status within and across growing seasons. Remote Sensing of Environment. 255. Article 112303. https://doi.org/10.1016/j.rse.2021.112303.
Mapping of QTLs controlling epicotyl length in adzuki bean (Vigna angularis) - (Peer Reviewed Journal)
Mori, M., Maki, K., Kawahata, T., Kawahara, D., Kato, Y., Yoshida, T., Nagasawa, H., Satoh, H., Nagano, A., Bethke, P.C., Kato, K. 2021. Mapping of QTLs controlling epicotyl length in adzuki bean (Vigna angularis). Breeding Science. 71(2):208-216. https://doi.org/10.1270/jsbbs.20093.
Genetic and environmental factors contributing to reproductive success and failure in potato - (Peer Reviewed Journal)
Bethke, P.C., Jansky, S.H. 2021. Genetic and environmental factors contributing to reproductive success and failure in potato. American Journal of Potato Research. 98:24-41. https://doi.org/10.1007/s12230-020-09810-3.
Changes in sugar concentrations of seed and pod tissue during development in snap and dry beans (Phaseolus vulgaris L.) - (Peer Reviewed Journal)
Gartner, W., Bethke, P.C., Kisha, T.J., Nienhuis, J. 2020. Changes in sugar concentrations of seed and pod tissue during development in snap and dry beans (Phaseolus vulgaris L.). Journal of the American Society for Horticultural Science. 55(10):1692-1697. https://doi.org/10.21273/HORTSCI15261-20.
Effects of high temperature on potato - ()
Bethke, P.C. 2020. Effects of high temperature on potato. Common Tater. 70(9):50-52.
Detrimental effects on chipping potato (Solanum tuberosum L.) yield and tuber quality following current-season infection of plants with ordinary and recombinant strains of potato virus Y - (Peer Reviewed Journal)
Weber, E.L., Busse, J.S., Bethke, P.C. 2020. Detrimental effects on chipping potato (Solanum tuberosum L.) yield and tuber quality following current-season infection of plants with ordinary and recombinant strains of potato virus Y. Plant Disease. 105(2):450-455. https://doi.org/10.1094/PDIS-06-20-1281-RE.
Are diploid potatoes in your future? - ()
Bethke, P.C., Jansky, S.H. 2020. Are diploid potatoes in your future?. Spudman. 58(3):24-26.
What determines the appearance of red skinned potatoes? - (Proceedings)
Bethke, P.C., Busse, J.S. 2020. What determines the appearance of red skinned potatoes?. Wisconsin Potato and Vegetable Growers Associaiton Conference Proceedings. 23:1-3.
Impact of 2,4-D and potato (Solanum tuberosum L.) tuber age on anthocyanin content of skin and phellem anatomy of Red Norland - (Peer Reviewed Journal)
Busse, J.S., Bethke, P.C. 2019. Impact of 2,4-D and potato (Solanum tuberosum L.) tuber age on anthocyanin content of skin and phellem anatomy of Red Norland. American Journal of Potato Research. 97:102-110(2020). https://doi.org/10.1007/s12230-019-09760-5.
Potato germplasm enhancement in the genomics era - (Peer Reviewed Journal)
Bethke, P.C., Halterman, D.A., Jansky, S.H. 2019. Potato germplasm enhancement in the genomics era. Agronomy. 9(10):575. https://doi.org/10.3390/agronomy9100575.
Skin in the game - ()
Bethke, P.C. 2019. Skin in the game. Common Tater. 71(9):49-52.
Identification of quantitative trait loci for stem-end chip defect and potato chip color traits in a ‘Lenape’-derived full-sib population - (Peer Reviewed Journal)
Frederick, C.M., Bethke, P.C. 2019. Identification of Quantitative Trait Loci for stem-end chip defect and potato chip color traits in a ‘Lenape’-derived full-sib population. American Journal of Potato Research. 96:564-577(2019). https://doi.org/10.1007/s12230-019-09746-3.
Sugar end disorder and stem-end chip defect: Stress factors and management practices - ()
Thornton, M., Bethke, P.C. 2019. Sugar end disorder and stem-end chip defect: Stress factors and management practices. Internet Web Page. https://spudsmart.com/sugar-end-disorder-and-stem-end-chip-defect-stress-factors-and-management-a-spud-smart-webinar-podcast/
Strategies for coping with frost damage - ()
Bethke, P.C., Fishler, T. 2018. Strategies for coping with frost damage. The Badger Common'Tater. 70:16-19.
Transient heat stress during tuber development alters postharvest carbohydrate composition and decreases processing quality of chipping potatoes - (Peer Reviewed Journal)
Busse, J.S., Wiberket-Bradford, A.E., Bethke, P.C. 2018. Transient heat stress during tuber development alters postharvest carbohydrate composition and decreases processing quality of chipping potatoes. Journal of the Science of Food and Agriculture. https://doi.org/10.1002/jsfa.9473.
Linkage analysis and QTL mapping in a tetraploid russet mapping population of potato - (Peer Reviewed Journal)
Massa, A.N., Manrique-Carpintero, N.C., Coombs, J.J., Haynes, K.G., Bethke, P.C., Yencho, C.G., Brandt, T., Gupta, S.K., Novy, R.G., Douches, D.S. 2018. Linkage analysis and QTL mapping in a tetraploid russet mapping population of potato. BioMed Central (BMC) Genetics. 19:87. https://doi.org/10.1186/s12863-018-0672-1.
Progress and successes of the Specialty Crop Research Initiative on acrylamide reduction in processed potato products - (Peer Reviewed Journal)
Bethke, P.C. 2018. Progress and successes of the Specialty Crop Research Initiative on acrylamide reduction in processed potato products. American Journal of Potato Research. 95(4):328-337. https://doi.org/10.1007/s12230-018-9660-2.
Impact of 2,4-D on in-season and stored Red Norland skin color - (Abstract Only)
Busse, J.S., Bethke, P.C. 2018. Impact of 2,4-D on in-season and stored Red Norland skin color. Meeting Abstract. 96:321-322. https://doi.org/10.1007/s12230-019-09723-w.
Inbreeding Red Norland: stabilizing a genetic background for tuber shape, skin color and tuber finish - (Abstract Only)
Busse, J.S., Bethke, P.C., Jansky, S.H. 2018. Inbreeding Red Norland: stabilizing a genetic background for tuber shape, skin color and tuber finish. Meeting Abstract. 96:322. https://doi.org/10.1007/s12230-019-09723-w.
Testing an efficient method for dihaploid potato germplasm development - (Abstract Only)
Busse, J.S., Jansky, S.H., Bethke, P.C. 2018. Testing an efficient method for dihaploid potato germplasm development. Meeting Abstract. 96:322. https://doi.org/10.1007/s12230-019-09723-w.
Genetic variance partitioning and genome-wide prediction with allele dosage information in autotetraploid potato - (Peer Reviewed Journal)
Endelman, J.B., Schmitz Carley, C.A., Bethke, P.C., Coombs, J.J., Clough, M., Da Silva, W., De Jong, W.S., Douches, D.S., Frederick, C.M., Haynes, K.G., Holm, D.G., Miller, J., Munoz, P., Navarro, F.M., Novy, R.G., Palta, J.P., Porter, G.A., Rak, K., Sathuvalli, V., Thompson, A.L., Yencho, G. 2018. Genetic variance partitioning and genome-wide prediction with allele dosage information in autotetraploid potato. Genetics. 209:77-87. https://doi.org/10.1534/genetics.118.300685.
Integrating spectroscopy with potato disease management - (Peer Reviewed Journal)
Couture, J.J., Singh, A., Charkowski, A., Groves, R., Gray, S.M., Bethke, P.C., Townsend, P. 2018. Integrating spectroscopy with potato disease management. Plant Disease. https://doi.org/10.1094/PDIS-01-18-0054-RE.
Skin quality in red potatoes - (Proceedings)
Bethke, P.C., Busse, J.S. 2018. Skin quality in red potatoes. In: Proceedings of Wisconsin’s Annual Potato Meeting, February 6-8, 2018, Steven's Point, WI. 31:105-106.
Potato carbohydrates: what’s in the middle counts - (Proceedings)
Bethke, P.C. 2018. Potato carbohydrates: what’s in the middle counts. In: Proceedings of Wisconsin’s Annual Potato Meeting, February 6-8, 2018, Steven's Point, WI. 31:3-10.
Variation among edible podded snap bean accessions for pod and seed sugar content - ()
Gartner, W., Nienhuis, J., Bethke, P.C., Kisha, T.J. 2018. Variation among edible podded snap bean accessions for pod and seed sugar content. Bean Improvement Cooperative Annual Report. 61:89-90.
Pink eye in potato is problematic - ()
Wang, Y., Gevens, A., Bethke, P.C. 2018. Pink eye in potato is problematic. Common Tater. 70(1):14-17.
Acrylamide and processed potatoes - ()
Bethke, P.C. 2017. Acrylamide and processed potatoes. Plant Management Network. Available: https://www.plantmanagementnetwork.org/edcenter/seminars/potato/Acrylamide/
Reduce darkening of chips and fries - ()
Bethke, P. 2017. Reduce darkening of chips and fries. Common Tater. 69(9):40-44.
Suppression of the vacuolar invertase gene delays senescent sweetening in chipping potatoes Reprint Icon - (Peer Reviewed Journal)
Wiberly-Bradford, A.E., Bethke, P.C. 2017. Suppression of the vacuolar invertase gene delays senescent sweetening in chipping potatoes. Journal of the Science of Food and Agriculture. 98(1):354-360. https://doi.org/10.1002/jsfa.8478.
Characterization of Sugar Concentration Among Edible Podded Accessions in the USDA Phaseolus vulgaris Germplasm Collection - (Abstract Only)
Rate of cooling alters chip color, sugar contents, and gene expression profiles in stored potato tubers Reprint Icon - (Peer Reviewed Journal)
Wiberly-Bradford, A.E., Bethke, P.C. 2017. Rate of cooling alters chip color, sugar contents, and gene expression profiles in stored potato tubers. American Journal of Potato Research. 94(5):534-543. https://doi.org/10.1007/s12230-017-9591-3.
Reliability of measurement and genotype x environment interaction for potato specific gravity Reprint Icon - (Peer Reviewed Journal)
Wang, Y., Snodgrass, L.B., Bethke, P.C., Bussan, A.J., Holm, D.G., Novy, R.G., Pavek, M.J., Porter, G.A., Rosen, C.J., Sathuvalli, V., Thompson, A.L., Thornton, M.T., Endelman, J.B. 2017. Reliability of measurement and genotype x environment interaction for potato specific gravity. Crop Science. 57(4):1966-1972. doi: 10.2135/cropsci2016.12.0976.
Are we getting better at using wild potato species in light of new tools? - (Peer Reviewed Journal)
Bethke, P.C., Halterman, D.A., Jansky, S. 2017. Are we getting better at using wild potato species in light of new tools? Crop Science. 57(3):1241-1258. doi: 10.2135/cropsci2016.10.0889.
QTL mapping of potato chip color and tuber traits within an autotetraploid family Reprint Icon - (Peer Reviewed Journal)
Rak, K., Bethke, P.C., Palta, J.P. 2017. QTL mapping of potato chip color and tuber traits within an autotetraploid family. Molecular Breeding. 37(2):15. doi: 10.1007/s11032-017-0619-7.
Automated tetraploid genotype calling by hierarchical clustering Reprint Icon - (Peer Reviewed Journal)
Schmitz Carley, C.A., Coombs, J.J., Douches, D.S., Bethke, P.C., Palta, J.P., Novy, R.G., Endelman, J.B. 2017. Automated tetraploid genotype calling by hierarchical clustering. Theoretical and Applied Genetics. 130(4):717-726. doi: 10.1007/s00122-016-2845-5.
New insights into cold-induced sweetening - ()
Bethke, P.C., Wiberley-Bradford, A.E. 2016. New insights into cold-induced sweetening. Common Tater. 68(9):20-23.
Grower price effects of Innate™ potato - ()
Mitchell, P.D., Dong, F., Bethke, P.C. 2016. Grower price effects of Innate™ potato. Common Tater. 68(8):48-53.
Achieving sustainable cultivation of potatoes - ()
Evaluation of hyperspectral reflectance for estimating dry matter and sugar concentration in processing potatoes - (Proceedings)
Frederick, C., Couture, J., Bethke, P.C. 2017. Evaluation of hyperspectral reflectance for estimating dry matter and sugar concentration in processing potatoes. American Journal of Potato Research. 94(3):211-250. doi: 10.1007/s12230-017-9581-5.
Understanding and improving flavor in snap beans: Screening the USDA Phaseolus core collection for pod sugar and flavor compounds - ()
Nienhuis, J., Kisha, T., Bethke, P. 2016. Understanding and improving flavor in snap beans: Screening the USDA Phaseolus core collection for pod sugar and flavor compounds. Bean Improvement Cooperative Annual Report. 59:31-32.
Reinventing potato as a diploid inbred line-based crop Reprint Icon - (Peer Reviewed Journal)
Jansky, S.H., Charkowski, A.O., Douches, D.S., Gusmini, G., Richael, C., Bethke, P.C., Spooner, D.M., Novy, R.G., De Jong, H., De Jong, W.S., Bamberg, J.B., Thompson, A.L., Bizimungu, B., Holm, D.G, Brown, C.R., Haynes, K.G., Sathuvalli, V.R., et al. 2016. Reinventing potato as a diploid inbred line-based crop. Crop Science. 56(4):1412-1422. doi: 10.2135/cropsci2015.12.0740.
Update on the National Acrylamide Project - (Proceedings)
Bethke, P.C. 2016. Update on the National Acrylamide Project. Wisconsin Potato and Vegetable Growers Associaiton Conference Proceedings. Paper No. 6.
Temperature-dependent regulation of sugar metabolism in wild-type and low-invertase transgenic chipping potatoes during and after cooling for low-temperature storage Reprint Icon - (Peer Reviewed Journal)
Wiberley-Bradford, A.E, Busse, J.S., Bethke, P.C. 2016. Temperature-dependent regulation of sugar metabolism in wild-type and low-invertase transgenic chipping potatoes during and after cooling for low-temperature storage. Postharvest Biology and Technology. 115:60-71. doi.org/10.1016/j.postharvbio.2015.12.020.
Temperature-dependent regulation of sugar metabolism in wild-type and low-invertase transgenic chipping potatoes during and after cooling for low-temperature storage - (Peer Reviewed Journal)
Wiberly-Bradford, A.E., Busse, J.S., Bethke, P.C. 2016. Temperature-dependent regulation of sugar metabolism in wild-type and low-invertase transgenic chipping potatoes during and after cooling for low-temperature storage. Postharvest Biology and Technology. 115:60-71. doi: 10.1016/j.postharvbio.2015.12.020.
The curse of invertase - ()
Bethke, P.C., Wiberley-Bradford, A. 2014. The curse of invertase. Spudman. 52(8):22-23.
National variety trials identify clones with high potential - ()
Bethke, P., Wang, Y., Endelman, J. 2015. National variety trials identify clones with high potential. Common Tater. 67(9):20-21.
Acrylamide-forming potential and agronomic properties of elite US potato germplasm from the National Fry Processing Trial Reprint Icon - (Peer Reviewed Journal)
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.
Silencing of vacuolar invertase and asparagine synthetase genes and its impact on acrylamide formation of fried potato products Reprint Icon - (Peer Reviewed Journal)
Zhu, X., Gong, H., He, Q., Zeng, Z., Busse, J.S., Jin, W., Bethke, P.C., Jiming, J. 2016. Silencing of vacuolar invertase and asparagine synthetase genes and its impact on acrylamide formation of fried potato products. Plant Biotechnology Journal. 14(2):709-718. doi: 10.1111/pbi.12421.
Regulation of sugar metabolism in wild-type and low-invertase transgenic chipping potatoes during and after cooling for low-temperature storage - (Proceedings)
Wiberley-Bradford, A.E., Busse, J.S., Bethke, P.C. 2015. Regulation of sugar metabolism in wild-type and low-invertase transgenic chipping potatoes during and after cooling for low-temperature storage. American Journal of Potato Research. Paper No. G36.
Heat stress during development alters post-harvest sugar contents and chip processing quality of potato tubers - (Proceedings)
Wiberly-Bradford, A.E., Busse, J.S., Bethke, P.C. 2015. Heat stress during development alters post-harvest sugar contents and chip processing quality of potato tubers. American Journal of Potato Research. Paper No. G40.
A national effort to identify fry processing clones with low acrylamide-forming potential - (Proceedings)
Wang, Y., Endelman, J.B., Bethke, P.C. 2015. A national effort to identify fry processing clones with low acrylamide-forming potential. American Journal of Potato Research. Paper No. G61.
Potato development and skin set in fresh market red varieties - (Proceedings)
Bethke, P.C., Busse, J.S. 2015. Potato development and skin set in fresh market red varieties. Wisconsin Potato and Vegetable Growers Associaiton Conference Proceedings. 28:81-82.
Genetic and cultural management solutions to improve potato storage quality - (Proceedings)
Bethke, P.C. 2015. Genetic and cultural management solutions to improve potato storage quality. Wisconsin Potato and Vegetable Growers Associaiton Conference Proceedings. 28:29-34.
Sugar metabolism, chip color, invertase activity, and gene expression during long-term cold storage of potato (Solanum tuberosum) tubers from wild-type and vacuolar invertase silencing lines of Katahdin - (Peer Reviewed Journal)
Wiberley-Bradford, A.E., Busse, J.S., Jiang, J., Bethke, P.C. 2014. Sugar metabolism, chip color, invertase activity, and gene expression during long-term cold storage of potato (Solanum tuberosum) tubers from wild-type and vacuolar invertase silencing lines of Katahdin. BMC Research Notes. 7(1):801.
A multi-year survey of stem-end chip defect in chipping potatoes (Solanum tuberosum L.) - (Peer Reviewed Journal)
Wang, Y., Bethke, P.C., Drillias, M.J., Schmitt, W.G., Bussan, A.J. 2014. A multi-year survey of stem-end chip defect in chipping potatoes (Solanum tuberosum L.). American Journal of Potato Research. 92(1):79-90.
Looking ahead…how biotechnology may change potato storage - ()
Bethke, P.C., Wiberley-Bradford, A.E., Zhu, X., Jiang, J. 2014. Looking ahead…how biotechnology may change potato storage. Common Tater. 66(9):11-12.
Ethylene in the atmosphere of commercial potato (Solanum tuberosum) storage bins and potential effects on tuber respiration rate and fried chip color Reprint Icon - (Peer Reviewed Journal)
Bethke, P.C. 2014. Ethylene in the atmosphere of commercial potato (Solanum tuberosum) storage bins and potential effects on tuber respiration rate and fried chip color. American Journal of Potato Research. 91(6):688-695.
History and origin of Russet Burbank (Netted Gem) a sport of Burbank Reprint Icon - (Peer Reviewed Journal)
Bethke, P.C., Nassar, A., Kubow, S., Leclerc, Y.N., Li, X., Haroon, M., Molen, T., Bamberg, J.B., Martin, M., Donnelly, D.J. 2014. History and origin of Russet Burbank (Netted Gem) a sport of Burbank. American Journal of Potato Research. 91(6):594-609.
The origin of Russet Burbank (Netted Gem), a sport of Burbank - (Proceedings)
Bethke, P.C., Donnelly, D. 2015. The origin of Russet Burbank (Netted Gem), a sport of Burbank. American Journal of Potato Research. 92(2):175-214.
Vacuolar invertase gene silencing in potato decreasing the frequency of sugar-end defects - (Proceedings)
Zhu, X., Richael, C., Jiang, J., Bethke, P.C. 2015. Vacuolar invertase gene silencing in potato decreasing the frequency of sugar-end defects. American Journal of Potato Research. 92(2):175-214.
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 - ()
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 - ()
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 - ()
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 - ()
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 - ()
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.
Postharvest storage and physiology - ()
Bethke, P.C. 2014. Postharvest storage and physiology. In: Navarre, R., Pavek, M. J., editors. The potato: botany, production and uses. Wallingford, UK:CABI. p. 255-271.
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.
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.
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.
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.) - (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 - ()
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! - ()
Bethke, P.C., Jiang, J. 2011. Have your chip and eat it too!. Common Tater. 63:26-27.
Potato Processing from Low Temperature Storage - ()
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 - ()
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.
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.
Ethylene Gas in Storage - (Abstract Only)
Bethke, P.C. 2010. Ethylene Gas in Storage [abstract]. Proceedings Wisconsin Annual Potato Meetings. 23:43-45.
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 - ()
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 - ()
Schroeder, J.I., Bethke, P.C., Gassman, W., Ward, J.M. 2015. Membrane transport. In: Buchanan, B.B., Gruissem, W., Jones, R.L. editors. Biochemistry and Molecular Biology of Plants. 2nd edition. Hoboken, NJ:John Wiley & Sons, Ltd. p. 111-149.
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 - ()
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.