Kawchuk, Lawrence, Ph.D.

Research Scientist


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:

The links below lead to abstracts with access to full text.

2014

2013

2012

2011

2010

2009

Other Science Related Publications:

2014

  • Crane, B., Peters, R.D., Kawchuk, L.M., Al-Mughrabi, K.I., Macdonald, K., MacPhail, A., Drake, K.A., and Gregory, D. (2014). "Resistance to metalaxyl-m in populations of the potato pink rot pathogen (Phytophthora erythroseptica) in Canada.", Northeast Potato Technology Forum 2014, Fredericton, NB, Canada, March 12-13, 2014, Proceedings published by McCain Foods Ltd., pp. 7-8.
  • Crane, B., Peters, R.D., Kawchuk, L.M., MacPhail, A., Drake, K.A., Gregory, D., and Macdonald, K. (2014). "Resistance to metalaxyl-m in populations of Phytophthora erythroseptica causing pink rot of potato in Canada.", Canadian Journal of Plant Pathology. (Abstract)

2013

  • Bizimungu, B., Kawchuk, L.M., Wahab, J., Waterer, D.R., Konschuh, M.N., and Lynch, D.R. (2013). "AAC Alta Strong potato variety- A new option for French fry processing and fresh market uses.", 97th Annual Meeting of the Potato Association of America (PAA), Québec City, QC, Canada, July 28-August 2, 2013.
  • Gagnon, M., Kawchuk, L.M., Li, S., Lévesque, C.A., and Bilodeau, G.J. (2013). "Identification and molecular characterization of Canadian strains of potato late blight and potato wart.", 84rd Annual Meeting of the Canadian Phytopathological Society (CPS), Matrix Hotel, Edmonton, AB, Canada, June 16-19, 2013.
  • Hachey, J.E., Fletcher, L., Mitchell, S., Mitchell, P., Hochstein, T., and Kawchuk, L.M. (2013). "Fungicide efficiency for preventing early and late blight.", Potato Growers of Alberta (PGA) Annual Meeting, Calgary, AB, Canada, November 19-21, 2013.
  • Harding, M.W., Daniels, G.D., Unruh, M.J., Lisowski, S.L.I., Pugh, C., Konschuh, M.N., Kawchuk, L.M., and Howard, R.J. (2013). "Fusarium disease surveillance and management in potato.", Potato Growers of Alberta (PGA) Annual Meeting, Calgary, AB, Canada, November 19-21, 2013.
  • Howard, R.J., Harding, M.W., Rasmussen, N.M., Lisowski, S.L.I., Pugh, C., and Kawchuk, L.M. (2013). "Goss’s Wilt of Field Corn: A New Disease for Alberta.", Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.
  • Islam, M.R., Alkher, H.A., Bezzahou, M., Godee, C., Adam, L.R., Kawchuk, L.M., Dobinson, K.F., Conn, K.L., Peters, R.D., Al-Mughrabi, K.I., Shinners-Carnelley, T., and Daayf, F. (2013). "Diversity in population structure of late blight pathogen, P.infestans in Manitoba.", 84rd Annual Meeting of the Canadian Phytopathological Society (CPS), Matrix Hotel, Edmonton, AB, Canada, June 16-19, 2013.
  • Johnson, D.L., Meers, S., and Kawchuk, L.M. (2013). "New network to monitor potato psyllid and zebra chip disease in Canada.", Potato Growers of Alberta (PGA) Annual Meeting, Calgary, AB, Canada, November 19-21, 2013.
  • Kalischuk, M.L., Fusaro, A.F., Waterhouse, P.M., Pappu, H., and Kawchuk, L.M. (2013). "Genomic sequence and small RNA analysis of pararetrovirus infecting raspberry.", Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.
  • Kawchuk, L.M., Kalischuk, M.L., Harding, M.W., Spencer, R.C.J., and Howard, R.J. (2013). "Population dynamics of the Irish potato famine pathogen in Alberta.", Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.
  • Kawchuk, L.M., Peters, R.D., Al-Mughrabi, K.I., Dobinson, K.F., Conn, K.L., and Daayf, F. (2013). "Population diversity and segregation analysis of genotype specific loci of the Irish Potato Famine pathogen.", 84rd Annual Meeting of the Canadian Phytopathological Society (CPS), Matrix Hotel, Edmonton, AB, Canada, June 16-19, 2013.
  • Lynn, J., Kalischuk, M.L., Howard, R.J., Harding, M.W., Konschuh, M.N., Spencer, R.C.J., Carter, J., Johnson, D.H., and Kawchuk, L.M. (2013). "An action plan for the prevention of late blight.", Potato Growers of Alberta (PGA) Annual Meeting, Calgary, AB, Canada, November 19-21, 2013.
  • Pageni, B.B., Lupwayi, N.Z., Akter, Z., Larney, F.J., and Kawchuk, L.M. (2013). "Characterization of bacterial endophytes from potato (Solanum tuberosum L.) reveals growth-promoting and antagonistic properties in vitro.", 50th Annual Alberta Soil Science Workshop, Lethbridge, AB, Canada, February 19-21, 2013.
  • Peters, R.D., MacPhail, A., Clark, M.M., Drake, K.A., Gregory, D., Macdonald, M.M., Beaton, B.W., Al-Mughrabi, K.I., and Kawchuk, L.M. (2013). "Variation in aggressiveness of genotypes of Phytophthora infestans found in eastern Canada.", 97th Annual Meeting of the Potato Association of America (PAA), Québec City, QC, Canada, July 28-August 2, 2013.
  • Wijekoon, C.P., Kalischuk, M.L., Spencer, R.C.J., Howard, R.J., and Kawchuk, L.M. (2013). "Characterization of Apioplagiostoma populi causing bronze leaf disease in poplar.", Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.

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 and International PPV Meeting, Marriott Gateway On The Falls, Niagara Falls, ON, Canada, June 24-27, 2012.
  • Daniels, G.D., Kawchuk, L.M., Unruh, M.J., Harding, M.W., and Howard, R.J. (2012). "Characterization and management of Fusarium species from Alberta potato storages.", 2012 Annual Meeting of Potato Growers of Alberta, Red Deer, AB, Canada, November 13-15, 2012 (Poster).
  • 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 and International PPV Meeting, Marriott Gateway On The Falls, Niagara Falls, ON, Canada, June 24-27, 2012.
  • Hachey, J.E., Fletcher, L., Mitchell, P., and Kawchuk, L.M. (2012). "Chemical effectiveness associated with early blight and late blight.", 2012 Annual Meeting of Potato Growers of Alberta, Red Deer, AB, Canada, November 13-15, 2012 (Poster).
  • 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.", American Phytopathological Society (APS) 2012 Annual Meeting, 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.", 96th Annual Meeting of the Potato Association of America (PAA), Crowne Plaza Denver International Airport, Denver, CO, USA, August 12-16, 2012.
  • Lynn, J., Kalischuk, M.L., Howard, R.J., Konschuh, M.N., Harding, M.W., Spencer, R.C.J., and Kawchuk, L.M. (2012). "Genetic composition of Phytophthora infestans in Alberta and Canada.", 2012 Annual Meeting of Potato Growers of Alberta, Red Deer, AB, Canada, November 13-15, 2012 (Poster).
  • Pageni, B.B., Lupwayi, N.Z., Larney, F.J., Kawchuk, L.M., Pearson, D.C., Blackshaw, R.E., and Gan, Y.T. (2012). "Characterization of bacterial endophytes associated with Solanum tuberosum in irrigated cropping systems.", 112th General Meeting of American Society for Microbiology, San Francisco, CA, USA, June 15-19, 2012. (Abstract)
  • 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.", 96th 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, 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 2011, Radisson Hotel, 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)