Conducts research on identification and development of disease resistance with emphasis in potato viruses and late blight. Results are used in support of the USDA-ARS breeding program for development of germplasm and new varieties for the Western United States

Research Reports Links
Tools for seed-buying decisions

Production & Management Topics Links

References for Recent Publications

Whitworth, J.L., P. Nolte, C. McIntosh, R. Davidson. 2004.  Effect of Potato Virus Y on yield of potato grown under different nitrogen levels Plant Dis 90:73-76

Book Whitworth, J.L., Davidson, R.D. 2005. Quality Seed: Seed Improvement, Cultivar and Healthy Seed Lot Selection, and the Certification Process.  In, Potato Health Management, D.A. Johnson (ed.), APS Press.  In Press.

Love, S.L., Novy, R.G., Whitworth, J.L., Corsini, D.L., Pavek, J.J., Mosley, A.R., Pavek, M.J., Knowles, N.R., 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.  Amer J Potato Res 83:161-169.

Love, S.L., Novy, R.G., Whitworth, J.L., Corsini, D.L., Pavek, J.J., Mosley, A.R., Pavek, M.J., Knowles, N.R., 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.  Amer J Potato Res 83:171-180.

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.,  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.  Amer J Potato Res 83:9-19.

McCue, 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 glucosyltransferease from potato (Solanum tuberosum).  Phytochemistry 67:1590-1597.

Love, S.L., Novy, R.G., Whitworth, J.L., Corsini, D.L., Pavek, J.J., Mosley, A.R., Thornton, R.E., Knowles, N.R., Brown, C.R., James, S.R., Hane, D.C.  2005.  Summit Russet:  A new russet potato variety with good fresh market and frozen processing qualities.  Amer J Potato Res 82:425-432.

Whitworth J.L., A.R. Mosley, and G.L. Reed. 2000. Monitoring current season potato leafroll virus movement with an immunosorbent direct tissue blotting assay. Amer. J of Potato Res. 77:1-9.