Abstracts, Meeting of the Plant Pathology Society of Alberta, Lethbridge, Alberta, November 1995

Abstract

Abstract Noteworthy diseases diagnosed on plant samples from Alberta submitted to Brooks Diagnostics Limited in 1995. Khalil I. Al-Mughrabi and Barbara J. Penner. Brooks Diagnostics Limited, P.O. Box 1701, Brooks, Alberta TIR IC5. The influence of cultivar and soil pH on take-all of wheat. M. A. Anderson, T.K. Turkington, K.G. Briggs, I. Evans, and D. Penney. Alberta Agriculture, Food and Rural Development, Lacombe, Alberta T4L 1W8, and (I.E. and D.P.) Edmonton, Alberta T6H 4P2; and (K.G.B.) University of Alberta, Edmonton, Alberta T6G 2P5 Development of a multiplex PCR-assay for detection of bean blights. Patrice Audy, André Laroche, Gilles Saindon, and Henry C. Huang. Agriculture and Agri-Food Canada, Research Center, Lethbridge, Alberta TU 4B1. Enzyme production by Helminthosporium solani, the causal agent of silver scurf disease on potato, and its relationship to thiabendazole sensitivity. Dee Ann Benard and Piara S. Bains. Soil and Crop Diagnostic Centre, 6909-116 St., Edmonton, Alberta T6H 4P2; and (P.S.B.) Crop Diversification; Centre North, R.R. 6, Edmonton, Alberta T5B 4K3. Genomic in situ hybridization to identify Haynaldia villosa chromatin in wheat lines carrying resistance to the wheat curl mite. Qin Chen, R.L. Conner, and A. Laroche. Agriculture and Agri-Food Canada Research Centre, Lethbridge, Alberta TU 4BL Impact of fungicide application on the incidence of blossom blight in alfalfa in 1995. B.D. Gossen, L.M. Harrison, and J. Holley. Agriculture Canada Research Centre, Saskatoon, Saskatchewan S7N 0X2; (L.M.H.) Alberta Agriculture, Fairview, Alberta TOH 1L0; and (J.H.) Crop Diversification Centre, Brooks, Alberta TO] 0J0. Genetic differences revealed between two isolates of Paulownia witches' broom phytoplasma in Korea by the RFLP analysis of 16S rDNA sequence. S.S. Han, L. Jiang, A.H. Khadhair, C. Hiruki, W.H. Yeo, and Y.H. Kim. Department of Forest Resources, Cheonbuk National University, Korea; (L.J., A.H.K., and C.H.) Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5; and(W.H.Y.) Forestry Research Institute, Seoul, Korea Sclerotinia sclerotiorum causes blossom blight of alfalfa. J.D. Holley, R. Linowski, B. Gossen, and L. Harrison. Crop Diversification Centre, Brooks, Alberta TIR IE6; (R.L.) Medicine Hat College, Brooks Campus, Brooks, Alberta TIR IE6; (B.G.) Agriculture and Agri-Food Canada Research Centre, Saskatoon, Saskatchewan S7N OX2; and (L.H.) Provincial Building, Alberta Agriculture Food and Rural Development, Fairview, Alberta TOH ILO. Infection of canola pollen by Sclerotinia sclerotiorum. H.C. Huang, E. G. Kokko, R. S. Erickson, and R. K. Hynes. Agriculture and Agri-Food Canada Research Centre, Lethbridge, Alberta TU 4B1; and (R.K.H.) Agrium Inc., 402-15 Innovation Boulevard, Saskatoon, Saskatchewan S7N 2X8. Differential display of mRNA identifies three cDNA clones that are related to the pathogenesis in tobacco stunt virus-infected tobacco leaves. L. Jiang and C. Hiruki. Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5. Attenuation of potato leafroll luteovirus infection and disease symptoms in genetically modified potato plants. L.M. Kawchuk, D.R. Lynch, G.C. Kozub, R.R. Martin, and B Farries. Agriculture and Agri-food Canada, PO Box 3000 Main, Lethbridge, Alberta TU 4B1; and (R.R.M.) Agriculture and Agri- Food Canada, 6660 NW Marine Drive, Vancouver. British Columbia V6T 1X2. Molecular diagnosis of alfalfa witches'-broom phytoplasma in three leafhopper species and alfalfa plants from the Peace River area. A.H. Khadhair, S.F. Hwang, and C. Hiruki. Alberta Environmental Centre, Bag 4000, (S.F.H.) Vegreville, Alberta T9C 1T4; and (C.H.) Department of AFNS, University of Alberta, Edmonton, Alberta T6G 2P5. Fungicidal control of entomosporium leaf and berry spot of saskatoon. Ralph M. Lange, Piara S. Bains, and Ronald J. Howard. Crop Diversification Centre, North, R.R.6, Edmonton, Alberta T5B 4K3; and (R.J.H.) Crop Diversification Centre, South, SS 4, Brooks, Alberta TIR 1E6. Identification of a DNA fragment linked to the bunt Bt- 10 resistance gene and its utilisation for marker-assisted selection in hexaploid wheat lines. André Laroche, Tigst Demeke, and Denis A. Gaudet. Agriculture and Agri-Food Canada, P.O. Box 3000 Main, Lethbridge, Alberta TU 4B1. Hybridization among pathotypes of Ustilago bullata . G.D. Turnbull and B.D. Gossen. Agriculture Canada Research Centre, Saskatoon, Saskatchewan S7M 0X2; and (B.D.G.) Alberta Environmental Centre, Vegreville, Alberta T9C JT4. The influence of tillage and nitrogen fertilizer on barley foliar diseases. T.K. Turkington, G.W. Clayton, and P.A. Burnett. Alberta Agriculture, Food & Rural Development, Lacombe, Alberta T4L 1W8; Agriculture & Agri-Food Canada, Alberta (G.W.C.) Beaverlodge, Alberta T0H 0C0; and (P.A.B.) Lacombe, Alberta T4L JWl. Preservation of dehydrated phytoplasma-infected Paulownia leaf tissue by quick drying with a microwave oven for molecular analysis. Keri Wang, AH. Khadhair, and C. Hiruki. Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5.