Kawchuk, Lawrence, Ph.D.

• Research Publications
• Other Science Related Publications

Contact Information:

5403 - 1 Avenue South
PO Box 3000
Lethbridge, Alberta T1J 4B1
Telephone: 403-317-2271
Fax: 403-382-3156
Email: larry.kawchuk@agr.gc.ca

Areas of Expertise:

• Development of disease prevention strategies for horticultural crops, such as potato, that improve food safety and quality
• Characterize endemic food-borne pathogens and produce diagnostics that help protect health and the environment
• Introduce new plant germplasm and varieties with disease resistance for the sustainable increase in production and market expansion.

Current Projects:

• Advances in sustainable crop production involving disease diagnostics and resistance.
• Enhancing the quality of food and the safety of the food system.
• Enhancing economic benefits for all stakeholders.

Affiliations:

• Chair, Multinational Potato Consortium
• Editor, American Journal of Potato Research
• Adjunct Professor, University of Lethbridge

Research Publications:

2013:

• Bizimungu, B., Kawchuk, L.M., Wahab, J., Waterer, D.R., and Howard, R.J. (2013). "Sentinel: An Early Yellow-Fleshed Potato Cultivar Suitable for Fresh Market and Chip Processing.", American Journal of Potato Research. doi : 10.1007/s12230-013-9309-0
• Hwang, Y.T., Kalischuk, M.L., Fusaro, A.F., Waterhouse, P.M., and Kawchuk, L.M. (2013). "Small RNA sequencing of Potato leaf roll virus infected plants reveals an additional subgenomic RNA encoding a sequence-specific RNA-binding protein.", Virology, 438(2), pp. 61-69. doi : 10.1016/j.virol.2012.12.012

2012:

• Fusaro, A.F., Correa, R.L., Nakasugi, K., Jackson, C., Kawchuk, L.M., Vaslin, M.F.S., and Waterhouse, P.M. (2012). "The Enamovirus P0 protein is a silencing suppressor which inhibits local and systemic RNA silencing through AGO1 degradation.", Virology, 426(2), pp. 178-187. doi : 10.1016/j.virol.2012.01.026
• Groscurth, S., Müller, B., Schwan, S., Menzel, M., Diekstall, F., Senft, M., Kendall, A., Kommer, B. A., Neumann, U., Kalischuk, M.L., Kawchuk, L.M., Krzyzanek, V., Heilmann, A., Stubbs, G., Twyman, R.M., Prüfer, D., and Noll, G.A. (2012). "Artificial forisomes are ideal models of forisome assembly and activity that allow the development of technical devices.", Biomacromolecules, 13(10), pp. 3076-3086. doi : 10.1021/bm3008499
• Kalischuk, M.L., Al-Mughrabi, K.I., Peters, R.D., Howard, R.J., Platt, H.W., and Kawchuk, L.M. (2012). "Genetic composition of Phytophthora infestans in Canada reveals migration and increased diversity.", Plant Disease, 96(12), pp. 1729-1735. doi : 10.1094/PDIS-10-11-0859-RE

2011:

• Bizimungu, B., Holm, D.G., Kawchuk, L.M., Konschuh, M.N., Schaupmeyer, C.A., Wahab, J., Waterer, D.R., Driedger, D., Wolfe, H., McAllister, P., Howard, R.J., Platt, H.W., and Lynch, D.R. (2011). "Alta Crown: A new russet potato cultivar with resistance to common scab and a low incidence of tubers deformities.", American Journal of Potato Research, 88, pp. 72-81. doi : 10.1007/s12230-010-9165-0
• Hill, B.D., Kalischuk, M.L., Waterer, D.R., Bizimungu, B., Howard, R.J., and Kawchuk, L.M. (2011). "An environmental model predicting bacterial ring rot symptom expression.", American Journal of Potato Research, 88(3), pp. 294-301. doi : 10.1007/s12230-011-9193-4
• Kawchuk, L.M. (2011). "Potato Production Systems and Disease Prevention.", in Verheye, W.H. (ed.) - Soils, Plant Growth and Crop Production, Encyclopedia of Life Support Systems (EOLSS), UNESCO, Eolss Publishers, Oxford, UK, pp. 1-16.
• Kawchuk, L.M., Howard, R.J., Peters, R.D., and Al-Mughrabi, K.I. (2011). "First Report of Phytophthora infestans Genotype US23 Causing Late Blight in Canada.", Plant Disease, 95(7), pp. 873. doi : 10.1094/PDIS-01-11-0054
• Noll, G.A., Müller, B., Ernst, A.M., Rüping, B., Groscurth, S., Twyman, R.M., Kawchuk, L.M., and Prüfer, D. (2011). "Characteristics of artificial forisomes from plants and yeast.", Bioengineered Bugs, 2(2), pp. 111-114. doi : 10.4161/bbug.2.2.14368

2010:

• Kathiria, P., Golubov, A., Sidler, C., Kalischuk, M.L., Kawchuk, L.M., and Kovalchuk, I.E. (2010). "Tobacco mosaic virus infection results in an increase in recombination frequency and resistance to viral, bacterial and fungal pathogens in the progeny of infected tobacco plants.", Plant Physiology, 153(4), pp. 1859-1870. doi : 10.1104/pp.110.157263
• Kawchuk, L.M. (2010). "Plant defense responses to pests and pathogens.", Acta Horticulturae (ISHS), 849, pp. 259-268.
• Kawchuk, L.M., Howard, R.J., Kalischuk, M.L., Northover, P.R., Desjardins, M., and Spencer, R.C.J. (2010). "First Report of Bronze Leaf Disease on Poplar in Alberta, Canada and Sequence of Apioplagiostoma populi.", Plant Disease, 94(3), pp. 377. doi : 10.1094/PDIS-94-3-0377A
• Müller, B., Noll, G.A., Ernst, A.M., Rüping, B., Groscurth, S., Twyman, R.M., Kawchuk, L.M., and Prüfer, D. (2010). "Recombinant artificial forisomes provide ample quantities of smart biomaterials for use in technical devices.", Applied Microbiology and Biotechnology, 88(3), pp. 689-698. doi : 10.1007/s00253-010-2771-4

2009:

• Kawchuk, L.M. and Kalischuk, M.L. (2009). "Plant disease resistance genes.", in Pandalai, S.G. (ed.) - Recent Research Developments in Plant Genetics, Research Signpost, Kerala, India, pp. 1-13.
• Moyer, J.R., Boswall, A.L., Kawchuk, L.M., Entz, T., Tovell, B.C., and Lee, B.L. (2009). "Characterization of dandelion (Taraxacum officinale Weber in F.H. Wigg.) biotype morphology, chemical composition and response to glyphosate.", Canadian Journal of Plant Science, 89(2), pp. 369-378. doi : 10.4141/CJPS08114

Other Science Related Publications:

2012:

• Alkher, H.A., Kawchuk, L.M., Adam, L.R., Islam, M.R., Dobinson, K.F., Conn, K.L., Peters, R.D., Al-Mughrabi, K.I., and Daayf, F. (2012). "Pathogenic diversity of Manitoba isolates of Phytophthora infestans on potato and tomato.", Canadian Phytopathological Society (CPS) 83rd Annual Meeting, Marriott Gateway On The Falls, Niagara Falls, ON, Canada, June 24-27, 2012.
• Dobinson, K.F., Conn, K.L., Kawchuk, L.M., Peters, R.D., Al-Mughrabi, K.I., and Daayf, F. (2012). "Characterization of Phytophthora infestans (Mont.) de Bary from tomato in southwestern Ontario.", Canadian Phytopathological Society (CPS) 83rd Annual Meeting, Marriott Gateway On The Falls, Niagara Falls, ON, Canada, June 24-27, 2012.
• Kawchuk, L.M. (2012). "Advances in potato pest management.", 54th Annual Horticulture Growers’ Short Course, Abbotsford, BC, Canada, January 26-28, 2012, pp. 2.
• Kawchuk, L.M., Peters, R.D., Al-Mughrabi, K.I., Conn, G., Dobinson, K.F., and Daayf, F. (2012). "Distribution of genotypes of Phytopthora infestans isolated from potato and tomato in Canada in 2011.", 2012 Annual Meeting of the American Phytopathological Society, Westin Providence, Providence, RI, USA, August 4-8, 2012.
• Kawchuk, L.M., Peters, R.D., Al-Mughrabi, K.I., Conn, K.L., Dobinson, K.F., and Daayf, F. (2012). "Migration and recombination increase the genetic diversity of Phytophthora infestans in Canada.", 96st Annual Meeting of the Potato Association of America (PAA), Crowne Plaza Denver International Airport, Denver, CO, USA, August 12-16, 2012.
• Pageni, B.B., Lupwayi, N.Z., Larney, F.J., Kawchuk, L.M., Pearson, D.C., Blackshaw, R.E., and Gan, Y.T. (2012). "Preceding crop, rotation length and soil management effects on bacterial endophytes.", 49th Annual Alberta Soil Science Workshop, Ramada Inn, Edmonton, AB, Canada, February 14-16, 2012. (Abstract)
• Peters, R.D., Barasubiye, T., Howard, R.J., Harding, M.W., Konschuh, M.N., Kawchuk, L.M., Beaton, B.W., Drake, K.A., MacPhail, A., Banks, C., Clark, M.M., and MacDonald, M.A. (2012). "Prevalence and management of fungicide resistance in Fusarium spp. infecting potatoes in Canada.", International Conference on Antimicrobial Research (ICAR 2012), University of Lisbon, Lisbon, Portugal, November 21-23, 2012.
• Peters, R.D., Drake, K.A., MacPhail, A., Howard, R.J., Harding, M.W., Konschuh, M.N., and Kawchuk, L.M. (2012). "Post-harvest management of Fusarium sambucinum causing dry rot of potatoes in storage.", 96st Annual Meeting of the Potato Association of America (PAA), Crowne Plaza Denver International Airport, Denver, CO, USA, August 12-16, 2012.

2011:

• Howard, R.J., Burke, D.A., Lisowski, S.L.I., Strelkov, S.E., Rennie, D.C., Hwang, S.F., Turnbull, G.D., Kawchuk, L.M., and Harding, M.W. (2011). "Assessing the potential for clubroot spore contamination of field pea seed.", Canadian Journal of Plant Science, 91(2), pp. 389, Poster 21.
• Kalischuk, M.L., Kawchuk, L.M., and Kovalchuk, I.E. (2011). "Transgenerational pathogen resistance following biotic stress.", 32nd Annual Meeting of the Plant Pathology Society of Alberta (PPSA), University of Alberta, Edmonton, AB, Canada, November 7-9, 2011, pp. 29.
• Kalischuk, M.L., Kovalchuk, I.E., Fusaro, A.F., Waterhouse, P.M., Prüfer, D., and Kawchuk, L.M. (2011). "Early dying innate immunity involves ligand dependent endocytosis of cell surface receptors.", Canadian Journal of Plant Pathology / Revue canadienne de phytopathologie, 33(2), pp. 282. (Abstract)
• Kawchuk, L.M. and Kovalchuk, I.E. (2011). "Transgenerational pathogen resistance in canola following biotic stress.", 32nd Annual Meeting of the Plant Pathology Society of Alberta (PPSA), University of Alberta, Edmonton, AB, Canada, November 7-9, 2011, pp. 29.
• Kawchuk, L.M., Kalischuk, L.D., Al-Mughrabi, K.I., Peters, R.D., Howard, H., and Platt, H.W. (2011). "Genetic Composition of Phytophthora infestans in Canada Reveals Increased Diversity.", 32nd Annual Meeting of the Plant Pathology Society of Alberta (PPSA), University of Alberta, Edmonton, AB, Canada, November 7-9, 2011.
• Konschuh, M.N., Howard, R.J., McKenzie, R.H., Thompson, J., Kawchuk, L.M., Woods, S., and Waterer, D.R. (2011). "Use of Green Manure Crops to Reduce Soil-borne Pests and Diseases of Potato Crops in Alberta.", American Journal of Potato Research, 88, pp. 49. (Abstract)
• Pageni, B.B., Lupwayi, N.Z., Larney, F.J., Kawchuk, L.M., Pearson, D.C., Blackshaw, R.E., and Gan, Y.T. (2011). "Preceding crop, rotation length and soil management effects on bacterial endophytes.", Pulse Science Cluster Scientific Meeting, Saskatoon, SK, Canada, November 17-18, 2011. (Abstract)
• Peters, R.D., Kawchuk, L.M., Al-Mughrabi, K.I., Platt, H.W., Beaton, B.W., Banks, C., MacDonald, I.K., and Gregory, D. (2011). "Genotypes of Phytophthora infestans causing late blight in Canada in 2010.", 19th Annual Northeast Potato Technology Forum, Crowne Plaza Fredericton Lord Beaverbrook Hotel, Fredericton, NB, Canada, March 16-17, 2011.

2010:

• Kalischuk, M.L., Kathiria, P., Kawchuk, L.M., and Kovalchuk, I.E. (2010). "Virus induced Phytophthora nicotianae resistance in tobacco.", Symposium of the Alberta Epigenetics Network: Epigenetics of Health and Disease, Lethbridge Public Library, Lethbridge, AB, Canada, June 9-10, 2010. (Poster)
• Kawchuk, L.M. (2010). "Potato Pest Management.", 52nd Annual Horticulture Growers’ Short Course, Abbotsford, BC, Canada, January 28-30, 2010, pp. 44.
• Kawchuk, L.M., Hill, B.D., Kalischuk, L.D., Waterer, D.R., Howard, R.J., and Bizimungu, B. (2010). "An environmental model predicting bacterial ring rot symptom expression.", 94th Annual Meeting of the Potato Association of America (PAA), Oregon State University, Corvallis, OR, USA, August 15-19, 2010, 085, pp. 98.
• Konschuh, M.N., Howard, R.J., McKenzie, R.H., Thompson, J., Kawchuk, L.M., Woods, S., and Waterer, D.R. (2010). "Use of Green Manure Crops to Reduce Soil-borne Pests and Diseases of Potato Crops in Alberta.", 94th Annual Meeting of the Potato Association of America (PAA), Oregon State University, Corvallis, OR, USA, August 15-19, 2010, # 016, pp. 48.

2009:

• Kalischuk-Tymensen, L.D., Kawchuk, L.M., Leggett, F.L., and Pappu, H. (2009). "Genomic structure and organization of a plant pararetrovirus infecting Rubus species.", Phytopathology, 99(June, Suppl.), pp. S60-S61. (Abstract)