Western Ontario Regional Meeting, 2006, The Canadian Phytopathological Society

Abstract

Response of two Nicotiana Benthmiana defensin genes in different plant-pathogen interactions. B. Bahramnejad, L.R. Erickson, and P.H. Goodwin. Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1 Canada; and (P.H.G.) Department of Environment Biology, University of Guelph, Guelph, ON N1G 2W1, Canada

Bacteria associated with cysts of soybean cyst nematode (SCN; Heterodera glycines) can influence SCN egg hatching in the presence of an SCN-supressive soil amendment. E.Bent, E.Topp, and T.W. Welacky. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada (AAFC), 1391 Sandford Street, London, ON N5V 4T3, Canada; and (T.W.W) Greenhouse and Processing Crops Research Centre, AAFC, 2585 County Road 20, Harrow, ON N0r 1G0, Canada

Efficacy and accuracy of a model to forecast sclerotinia rot [Sclerotinia scletorium] of carrot. A.J. Foster, M.R. McDonald, and G.J. Bolad. Department of Environmental Biology, university of Guelph, Guelph, ON N1g 2W1, Canada.

Evaluation of reduced-risk insecticide and (or) fungicide seed treatments for control of onion smut [Urocystis cepulae] and onion maggot (Delia antiqua). Z.M. Moineddin, C.D.Scott-Dupree, C.R. Harris, A.G.Taylor, and M.R.McDonald. Department of Environmental Biology, University of Guelph, Guelph, ON N1G 2W1, Canada

Biological activity of 4-hydroxybenzoic and chlorogenic acids on the root rot pathogen Pythium aphanidermatum and its biocontrol agent Pseudomonas chlororaphis in vitro. T.N. Owen-Going, C.W.Beninger, E.L.LeRiche, J.C.Hall, and J.C.Sutton. Department of Environmental Biology, University of Guelph, Guelph, ON N1H 2W1, Canada; and (E.L.L.) Department of Microbiology, University of Guelph, Guelph, ON N1H 2W1, Canada.

A species of Rhexocercosporidium is strongly associated with the rusted root disease of ginseng (Panax quinquefolius). R.D. Reeleder, S.M.T. Hoke, and Y. Zhang. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada.

Real-time polymerase chain reaction (PCR) detection of Phytophthora sojae in soil. P. Rose and R.D. Reeleder. Southern Crop Protection and Food Research Center, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada.

Chemotype of Fusarium graminearum isolates from winter wheat collected in Ontario in 2004. L. tamburic-Illincic, A.W. Schaafsma, R.M. Clear, T.J. Ward, and K.L. O'Donnell. Ridgetown Campus, University of Guelph, Ridgetown, ON N0P 2C0, Canada; (R.M.C.) Grain Research Labratory, Canadian Grain Commission, 1404-303 Main Street, Winnipeg, MB R3C 3G8 Canada; and (T.J.W., K.L.D.) Microbial Genomics Research Unit, National Center for Agricultural Utilization Research, Agricultural Research services, United States Department of Agriculture, Peoria, 1L 61604, USA.

Use of expression profiling to identify avirulence genes in Phytophthora sojae. J.D. Tedman- jones, J. Eckert, and M. Gijzen. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada.

Using disease forcasting to control septoria late blight [Septoria apiicola] (Apium Graveolens var. dulce). C.L. Trueman, M.R. Mcdonald, B.D. Gossen, and A.W. Mckeown. Department of Plant Agriculture, University of Guelph,Guelph. ON N1G 2W1, Canada; (B.D.G.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK S7N OX2, Canada; and (A.W.M.) Simcoe Campus, Department of Plant Agriculture, University of Guelph, P.O. Box 587, Simcoe, ON N3Y 4N5, Canada.

Relationship between nitrogen application and alternaria leaf blight [Alternaria dauci] and cercospora leaf blight [Cercospora carotoe] of carrots. S.M. Westerveld, A.W. Mckeown, and M.R. Mcdonald. Department of Plant Agriculture, University Guelph P.O. Box 587, Simcoe, ON N3Y 4N5, Canada.