Debra A. Inglis
Associate Plant Pathologist (60%)
Extension Plant Pathologist (40%)
Mount Vernon Plant Pathology | Vegetable Pathology Team
Research Specialty and Interests
The WSU-Mount Vernon vegetable pathology program investigates diseases affecting fresh and processing vegetables. Field, greenhouse and laboratory research projects involving late blight on potato and tomato; downy mildew, cyst nematode, root rot and wilt on green pea; and various diseases of lettuce, pumpkin, squash, and carrot are now active. The primary research problem, however, revolves around identifying and managing sources of inoculum which either initiate or perpetuate epidemics of late blight on potato and tomato, and developing integrated chemical and cultural control practices for Phytophthora infestans.
http://mtvernon.wsu.edu/plant_pathology/plant_path.htm
Professional Experience
- Adjunct Assistant Professor of Plant Pathology/Integrated Pest Management Specialist, Montana State University, 1985-1986
- Postdoctoral Research Associate, University of Wisconsin, 1983-1984
Awards/Honors/Memberships
- American Phytopathological Society
- Potato Association of America
- National Pea Improvement Association
Selected Publications
Green Pea
Abstracts
Coyne, C. J., Inglis, D., Muehlbauer, F. J., and Whitehead, S. J. 1999. DNA marker for Fusarium wilt Race 5 in pea. Intn'l Plant & Genome VII Conf. San Diego, CA.
McLendon, M. T., Coyne, C. J., McPhee, K.E., and Inglis, D. A., 2000. AFLP marker linked to Fusarium wilt race 1 resistance in pea. Plant and Animal Genome IX Conf., San Diego, CA.
Chapters in books, and manuals
Inglis, D. A. 200x. Pea diseases caused by nematodes. Pages xx in: Compendium of pea diseases. J. M. Kraft, ed. American Phytopathological Society Press, St. Paul, MN (in press).
Inglis, D. A. 1996. Evaluating Fusarium Wilt of Pea. Three-page section in: National Pea Improvement Association Disease Resistance Assessment Manual. D. M. Webster, ed. National Pea Improvement Association. Asgrow Seed Company, Twin Falls, ID.
Kraft, J. M., Larsen, R. C., and Inglis, D. A. 1996. Pea Diseases. Pages 325-370 in: The Pathology of Food and Pasture Legumes. D. Allen ed. CAB International, Wallingford, Oxon, United Kingdom. 750 p.
Extension publications
Inglis, D. A. 1998. Pea cyst nematode: Biology and prevention. Washington State University
Cooperative Extension Bulletin 1872.
Internet publications
Simon, C., Stout, D., and Inglis, D. A. 1995-present. USDA GRIN database of reactions of 2,253 Pisum accessions to Heterodera goettingiana
Research publications
Coyne, C. J., Inglis, D. A., Whitehead, S. J., McClendon, M. T., and Muehlbauer, F. J. Chromosomal location of Fwf, the Fusarium wilt race 5 resistance gene in Pisum sativum. 200_. Pisum Genetics: (in press).
Coyne, C. J., Meksem, K., McPhee, K. E., Inglis, D. A., Lightfoot, D., McClendon, M. T., Schultz, J., and Muehlbauser, F. J. 2001. Positional cloning of Fusarium wilt resistance genes in pea. Proc. 4th European Conf. on Grain Legumes (refereed). Cracow, Poland (accepted).
Handoo, Z. A., Golden, A. M., Chitwood, D. J., Haglund, W. A., Inglis, D. A., and Santo, G. S., Baldwin, J. G., and Williams, D. J. 1994. Pea cyst nematode detected in western Washington. Plant Dis. 78:831.
Tedford, E. C. and Inglis, D. A. 1999. Evaluation of important legumes in the Pacific Northwest as hosts for the pea cyst nematode. J. of Nematol. Vol. 31: 155-163.
Potatoes
Abstracts
Derie, M. L. and Inglis, D. A. 1999. Complex pathotypes of Phytophthora infestans in western Washington during 1998. Phytopathology 89: S20.
Gundersen, B., Inglis, D., Porter, L., Miller, J., Johnson, D., and Brown, C. 2000. Comprehensive laboratory and field assessment of resistance to Phytophthora infestans derived from Solanum hougasii in a segregating breeding population. Annual Meeting Potato Association of America, Colorado Springs, CO.
Inglis, D, Derie, M., Gundersen, B., Vestey, E., Ludy, R., and Powelson, M. 2000. Solanaceous hosts as sources of inoculum for late blight on potato in the Pacific Northwest. Annual Meeting Pacific Division, American Phytopathological Society, Victoria, B. C.
Inglis, D. A., Gundersen, B. M., Ludy, R. L., and Powelson M. L. 1999. Preventive versus curative applications of potato seed piece fungicides for management of seedborne Phytophthora infestans. Am. J. Potato Res. 76:372.
Partipilo, H. M., Powelson, M. L. and, Inglis, D. A. 2000. Seedborne Phytophthora infestans: Transmission rate and effect on stand in five potato cultivars. Annual Meeting Potato Association of America, Colorado Springs, CO.
Extension publications
Inglis, D. A. and Johnson, D. A. 1996. Controlling late blight in commercial potato fields in Washington. Washington State University Cooperative Extension Bulletin 1812.
Inglis, D. A., Johnson, D. A., and Byther, R. 1996. Late blight of potato and tomato and its control in the home garden. Washington State University Cooperative Extension Bulletin 0958.
Internet publications
Powelson, M. L. and Inglis, D. A. 1997 to present. On-line field guide to potato late blight web site.
Powelson, M. L. and Inglis, D. A. March 1998 to May 1998. Potato late blight: Live on the Internet. American Phytopathological Society Net Feature article. http://www.scisoc.org.
Research publications
Deahl, K. L., D. A. Inglis, D. A., and DeMuth, S. P. 1993. Testing for resistance to metalaxyl in Phytophthora infestans isolates from northwestern Washington. Am. Potato J. 70: 779-95.
Derie, M. L. and Inglis, D. A. 200_. Persistence of complex virulences of Phytophthora infestans in western Washington. Phytopathology (submitted).
Dorrance, A. E., Inglis, D. A., Helgeson, J. P., and Brown, C. R. 2001. Partial Resistance to Phytophthora infestans in Four Solanum Crosses. Amer. J. Potato Res. (In press).
Dorrance, A. E., Inglis, D. A., Derie, M. L., Brown, C. R., Goodwin, S. B., Fry, W. E., and Deahl, K. L. 1999. Characterization of Phytophthora infestans populations in western Washington. Plant Dis. 83: 423-428.
Dorrance, A. E. and Inglis, D. A. 1998. Assessment of laboratory methods for evaluating potato tubers for resistance to late blight. Plant Dis. 82:442-446.
Dorrance, A. E. and Inglis, D. A. 1997. Assessment of greenhouse and laboratory screening methods for evaluating potato foliage for resistance to late blight. Plant Dis. 81:1206-1213.
Inglis, D. A., Derie, M. L., Ludy, R.L , and Powelson, M. L. 200_. Solanaceous weeds and ornamentals as hosts of Phytophthora infestans in western Washington and Oregon. Phytopathology (in review).
Inglis, D. A., Powelson, M. L., and A. E. Dorrance. 1999. Effect of registered potato seed piece fungcides on tuberborne Phytophthora infestans. Plant Dis. 83:229-234.
Inglis, D. A., Johnson, D, A., Legard, D., Fry, W. E., and Hamm, P. B. 1996. Relative resistances of potato cultivars to new populations of Phytophthora infestans. Plant Dis. 80:575-578.
Powelson, M. L. and Inglis, D. A. 1999. Foliar fungicides as protective seed piece treatments for management of late blight of potatoes. Plant Dis. 83:265-268.
Vegetables
Extension publications
Inglis, D. A., Derie, M. L., and Gabrielson, R. 1997. Cladosporium leaf spot on spinach seed crops and control measures. Washington State University Cooperative Extension Bulletin 1865.
Inglis, D. A., Derie, M. L., and Kropf, J. A. 1997. Anthracnose on lettuce. Washington State University Cooperative Extension Bulletin 1864.
Maloy, O. C. and Inglis, D. A. 1993. Diseases of Washington Crops. Washington State University Cooperative Extension Service SP0004, Pullman. 276 p.
Internet publications
Inglis, D. A. and Vestey, E. 2000 to present (refereed). Crop profile for lettuce in Washington. MISC0359E. http://www.tricity.wsu.edu/~cdaniels/profiles/Lettuce.pdf
Liggett, N, Gundersen, B., and Inglis. D. 200_ to ____(refereed). Washington Vegetables. http://mtvernon.wsu.edu/plant_pathology/disease_control.htm (now being posted)
Research publications
Inglis, D. A., Derie, M. L., and Volker, K. C. 2001. Evidence that Cercospora carotae causes leaf spot on carrot in western Washington. Plant Dis. (accepted).
Inglis, D. A., Derie, M. L., and Hsiang, T. 200_. Stem canker of cabbage seed stalks caused by Botrytis cinerea in western Washington. Plant Dis. (accepted).
Inglis, D. A. and Maloy, O. C. 1994. Licorice rot of carrot caused by Mycocentrospora acerina in western Washington. Plant Dis. 78:1122.
Northwestern Washington Research & Extension Center (NWREC)
16650 State Route 536
Mount Vernon, WA 98273-4768
Tel.: (360)848-6134
Fax: (360)848-6159
E-mail: dainglis@wsu.edu
Extension Responsibilites:
Western Washington supports one of the most abundant and diverse vegetable industries in the United States. Both fresh and processing vegetables and vegetable seed crops are grown here. Because of the region's mild marine climate, plant pathogens, especially fungi, are prevalent, and can negatively impact yield, quality and production costs. The WSU Mount Vernon vegetable pathology program, through numerous and varied extension activities (field days, breakfasts, written materials, commodity meetings, training sessions, visiting scientists), provides information to growers on ways to manage diseases of fresh and processing vegetable crops, and better understand plant pathogens. Currently, the program's staff help coordinate WSU's statewide vegetable pathology extension team.
Professional Activities:
- Co-coordinator, WSU Statewide Vegetable Pathology Extension Team, 2000 to present.
- Co-coordinator, USDA/CSREES, National and North American Late Blight Fungicide Trials, 1996 and 1997, respectively
- Facilitator, Traditional Host Plant Resistance Sessions, USDA/CSREES North American Late Blight Workshop, Tucson, AZ and Co-author APSnet Late Blight Online Symposium, 1997
- Director, Pathology Division, Potato Association of America, 1997
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