Annual Meeting, Winnipeg, Manitoba, 2009

Abstract

Role of organic acids from condensed distiller's solubles in pathogen and disease suppression. P.A. Abbasi. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada. Impact of Foliar Sprays of a Commercial Bio- Fungicide Serenade Max on Bacterial spot and early blight of field tomatoes and fruit yield.P.A. Abbasi and B. Highland. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada; (B.H.) AgraQuest Inc., 1069 Eisenhower Drive, Nokomis, FL 34275, USA. Wheat Trancriptional changes in response to ToxA From Pyrenophora tritici-repentis. T.B. Adhikari, J. Bai, S.W. Meinhardt, S. Gurun. J. Patel, S. Ali, N.C. Gudmested, and J.B. Rasmussen. Department of Plant Pathology, 306 Walster Hall, FDept 7660, P.O. Box 6050, North Dakota State University, Fargo, ND 58108-6050, USA and (J.B.) Diagnostic Medicine and Pathobiology, M- 207 Mosier Hall, College of Veterinary Medicine, Kansas State University, Manhattan KS 66506,USA. Changes in Verticillium dahliae aggressivenes after serial passages on potato or sunflower.H. Alkher, A. El Hadrami, K.Y. Rashid, L.R. Adam, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; and (K.Y.R.) Cereal Research Centre, Agriculture and Agri-Food Canada, Morden Research Station,Unit 100-101, Route 100 Morden, MB R6M 1Y5, Canada. A Survey to examine a SCAR marker as a tool to differrentiate resistance and susceptible cultivars and lines of canola against different Leptosphaeria maculans PG3 isolates. K. Al- Taweel, X. Chen, P. Parks, K. Ghanbarnia, M. Dusabenyagasani, and W.G.D. Fernando. Daprtment of Plant Science, 222 Agriculture Building, 66 Dafao Road, University of Manitoba, Winnioeg, MB R3T 2N2, Canada. Abiotic Stress resistance in tabacco is enhanced by over expression of a catalase enzyme. K. Al- Taweel W.G.D. Fernando, and A. Wadano. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; (A.W.) Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 599-8231, Japan. Investigation of chemotype diversity in Fusarium grminerium isolates collected from wheat and corn fields in Ontario. C. Amarasinghe, A. Ratnayaka, L. Tamburic- Illncic, A. Brule-Babel, and W.G.D. Fernando. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;(L.T. -I) Department of Plant Agriculture, University of Guelph, Ridgetown Campus, Ridgetown, 120 Main Street East, ON N0P 2C0, Canada. Induction od Strboh genes in response to Verticillium dahliae in potato. M. Badawi, L.R. Adam, F. Razem, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Pre-emergent dandelion control in turf with Phoma macrostoma. K.L. Bailey, J. Derby, S. Falk, S. Lombardo, M. Melzer, and G.J. Boland. Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada; (S.F., S.L.) The Scotts Company, 14310 Scottslawn Road, Marysville, OH 43041, USA; and (M.M., G.J.B.) Department of Environmental Biology, Bovey Building, University of Guelph,Guelph, ON N1G 2W1, Canada. Identification of Quantitative trait loci for resistance against sclerotina stem rot in Brassica napus. R.S. Behla, W.G.D. Fernando, and G.Li. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Effect of Different compost extracts on the mycelial growth of Verticillium dahliae. V. Bernier- Eng;lish, T.J. Avis, B. Mimee, H. Antoun, and R.J. Tweddell. Centre de recherché en horticulture, Pavillon de l'Envirotron, Université Laval, Québec, QC G1V 0A6, Canada;and (T.J.A.) Deparment of Chemistry, Carleton Univeristy, Ottawa, ON K1S 5B6, Canada. Association of soil properties, Verticillium propagules, and plant- parasitic nematodes with potato early dying in comercial fields in Manitoba. S. Briar, M. Tenuta, T. Shinners-Carnelley, A. Mahran, and F. Daayf. Department of Soil Science, 309 Ellis Building, 13 Freedman Cresent, University of Manitoba, MB R3T 2N2, Canada; (T.S.-C.) Manitoba Agriculture and Food, Soils and Crops Branch, P.O. Box 1149 Carman, MB R0G 0J0, Canada and (A.M., F.D.) Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Effect of seed treatment and foliar applications of insects ticide of fungicide on soft red winter wheat yield in Georgia. J.w. Buck, A. Martinez- Espinoza, J. Youmans, and J. Johnson. Department of Plant Pathology; and (J.J.) Department of Crop and Soil Science, University if Georgia, Griffin, GA 30223 USA. Genetic analysis and trichothecene profiling of two populations of Gibberella zeae from barley in North Dakota anf Minnesota. R.R. Burlakoti, S.M. Neate, T.B. Adhikari, S. Gyawali, B. Salas, and B.J. Steffenson. Department of Plant Pathology, 306 Walster Hall, FDept 7660, P.O. Box 6050, North Dakota State University, Fargo, ND 58108-6050, USA; (B.S.) Pest Detection, Diagnostics and Management Labrarory, United State Department of Agriculture, Edinburg, TX 78541-5033, USA; and (B.J.S.) Department of Plant Pathology, 495 Borlaug Hall, 1991 Upper Buford Circle, University Of Minnesota, St. Paul, MN 55108-6030, USA. Colonization of Geranium foliage by Clonostachys rosea f. catenulata a biological control agent of botrytis grey mould. S. Chatterton and Z.K. Punja. Department of Biological Science, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. Factors influencing colonization of cucumber roots by Clonostachys rosea f. catenulata a biological control agent of fusarium root and stem rot. S. Chatterton and Z.K. Punja. Department of Biological Science, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. Synergy between histone deacetylase inhibitors and azole fungicides to inhibit plant pathogenic fungi. K.L. Conn, J.A. Traquair, T. Macgregor, D.T. Nguyên, L. Martell, L. Petropoulos, and J.M. Besterman. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada; and (T.M., D.T.N., L.M., L.P., J.M.B.)MethylGene Inc. 7220 Frederick-Banting, Montreal, QC H4S 2A1, Canada. Evaluation of Bacteria strains from a Brazilian man grove for control of phytjium root rot and growth promotion in hydroponic cucumbers. E.B. Corrêa, L.F. Reyes, W. Bettiol, I.S. de Melo, and J.C. Sutton. Department of Plant Protection, Faculdade de Ciências Agr´rias, UNESP, km 3 Alcides Soares Road, Botucatu, SP 18610-307, Brazil; (L.F.R.) Universidade de São Paulo, 1730 Prestes Lima Avenue, São Paulo, SP 05508-900, Brazil; (W.B.) Embrapa Meio Ambiente, SP 340 Road, Jaguariúna, SP 13820-000, Brazil; and (J.C.S) Department of Environmental Biology, 3228 Bovey Building, University of Guelph, Guelph, ON N1G 2W1, Canada. Phylogenetic, morphological, and pathogenic analyses of Waitea circinata and its Rhizoctonia anamorphs. K. de la Cerda and T.Hsiang. Department of Environmental Biology, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada. Epidemiology of bacterial blight on Highbush blueberry in the Fraser Valley of British Columbia. A. DiCarlo, S. Sabaratman, M. Sweeney, and Z.K. Punja. Department of Biological Sciences Simon Fraser Valley University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada; (S.S., M.S.) Abbotsford Ahriculture Centre, British Columbia Ministry of Agriculture and Lands, 1767 Angus Campbell Road, Abbotsford. BC V3G 2M3, Canada. Specificity of a multi-gene oligonucleotide macroarray for detection of Pantoae stewartii spp. Z.R. Djama, R. Xu, Q.Chen, and J.T. Tambong. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada. Natural antisense Transcripts and gene expression in the fungal plant pathogen Ustilago maydis M.E. Donaldson and B.J. Saville. Environmental and Life Science Graduate Program; trent University, DNA Building, 2140 East Bank Drive, Peterborough, ON K9J 7B8, Canada; and (B.J.S.) Forensic Science, Trent University, DNA Building, 2140, East Bank Drive, Peterborough, ON K9J 7B8, Canada. The completion of meiosis in the corn smut pathogen Ustilago maydis is controlled by an Ndt80 ortholog. C. Doyle and B.J. Saville. Environmental and Life Sciences Graduate Program; Trent University, DNA Building, 2140 East Bank Drive, Peterborough, ON K 9J 7B8, Canada; and (B.J.S.) Forensic Science, Trent University, DNA Building, 2140, East Bank Drive, Peterborough, ON K9J 7B8, Canada. A comparative transcriptomic investigation of Verticillium dahliae. A.F. El-Bebany, M.A. Henriquez, M. Badawi, A.El Hadrami, L.R. Adam, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Proteomic analysis of Verticillium Dahliae, a vascular wilt pathogen. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; and (C.R) Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Potato — Verticillium Dahliae interactions — defenses and counter-defenses. A. El Hadrami, L.R. Adam, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Mechanisms of action of selected green manures in controlling potato verticillium wilt. A. El Hadrami, L.R. Adam, M. Tenuta, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road; and (M.T.);Department of Soil Science, 309 Ellis Building, 13 Freedman Cresent, University of Manitoba, MB R3T 2N2, Canada Pest Management Centre progress in controlling disease, insects, and weeds in tree fruit. D. Errampalli. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, Vineland Station, 4902 Victoria Avenue North, Vineland, ON L0R 2E0, Canada. Effect of 1-methylcyclopropene treatment on control of apple postharvest blue mold with reduced risk fungicides. D. Errampalli, L.I. Wainman, and J.R. DeEll. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, Vineland Station, 4902 Victoria Avenue North, Vineland, ON L0R 2E0, Canada; and (J.R.D.) Ontario Ministry of Agriculture, Food and Rural Affairs, Blue Line Road, Highway 3, Simcoe, ON N3Y 4N5, Canada. Reaction of Camelina Sativa to Sclerotinia sclerotiorum. C. Eynck and G. Séguin-Swartz. Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK S7N 0X2, Canada. Fusarium avenaceum is the major pathogen causing fusarium root rot on Albera field pea. J. Feng, R. Hwang. K.F. Chang, S.F. Hwang, S.E. Strelkov, B.D. Gossen, R.L. Conner, and G.D. TurnBull. Crop Diversification Centre North, Alberta Agriculture and Rural Development (ARD), 17507 Fort Road NW, Edmonton, AB T5Y 6H3, Canada; (R.H., S.E.S) Department of Agriculture, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada; (K.F.C.) Field Crop Development Centre, ARD, 6000 C & E trail, Lacombe, AB T4L 1W1, Canada; (B.D.G.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada; and (R.L.C.) Cereal Research Centre,AAFC, Morden Research Station, Unit 100 101, Route 100, Morden, MB R6M 1Y5, Canada. Identification of microsatellite marker(s) linked to fusarium root rot resistance in pea. J. Feng, R. Hwang, S.F. Hwang, R.L. Conner, K.F. Chang, S.E. Strelkov, B.D. Gossen, D.L. Mclaren, and D.J. Bing. Crop Diversification Centre North, Alberta Agriculture and Rural Development (ARD), 17507 Fort Road NW, Edmonton, AB T5Y 6H3, Canada; (R.H., S.E.S)Department of Agriculture, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada; (R.L.C.) Cereal Research Centre,(AAFC), Morden Research Station, Unit 100 101, Route 100, Morden, MB R6M 1Y5, Canada.(K.F.C.) Field Crop Development Centre, ARD, 6000 C & E trail, Lacombe, AB T4L 1W1, Canada; (B.D.G.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada; (D.L.M.) Brandon Research Centre, AAFC, P.O., Box 1000A, R.R. 3, Brandon, MB R7A 5Y3, Canada; and (D.J.B.) Lacombe Research Centre, AAFC, 6000 C & Trail, Lacombe, AB T4L 1W1, Canada. Studies of six pathogenicity related genes from Fusarium graminearum and Stagonospora nodorum by gene knockout. J. Feng, R. Hwang, S.F. Hwang, S.E. Strelkov, and D.A. Gaudet, Crop Diversification Centre North, Alberta Agriculture and Rural Development (ARD), 17507 Fort Road NW, Edmonton, AB T5Y 6H3, Canada; (R.H., S.E.S)Department of Agriculture, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada; (D.A.G.) Lethbridge Research Centre, Agriculture and Agri-Food Canada, P.O. Box 3000, Lethbridge, AB T1J 4B1, Canada. Inheritance of resistance in Webster wheat to Ug99 stem rust. T. Fetch Jr., C. Hiebert, and T. Zegeye. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Road, Winnipeg, MB R3T 2M9, Canada. Effects of crop rotation on root- lesion nematodes and potato early dying. T.A. Forge, F. Larney, L. Kawchuck, D. Pearson, and C. Koch. Pacific Agri-Food Research Centre, Agriculture and Agri-Food Canada (AAFC), P.O. BoX 1000 6947 Highway 7, Agassiz, BC V0M1A0, Canada; and (F.L., L.K., D.P.) Lethbridge Research Centre, AAFC, P.O. Box 3000, Lethbridge, AB T1J 4B1, Canada. Effects of 3-ADON ang 15-ADON chemotypes of fusarium graminearum on spring wheat. V.M. Gauthier, A.L. Brule-Babel, and W.G.D. Fernando. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Introducing two new markers for the avirlulence gene of Leptosphaeria maculans corresponding to the resistance gene(LepR1 ) in Brassica napus. K. Ghanbarnia, G. Li, R. Rimmer, P.B.E. McVetty, and W.G.D. Fernando. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; and (R.R.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada. Cytological investigation of Septoria linicola on flax E. Gillis, K.Y. Rashid, and L. Lamari. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; and (K.Y.R.) Cereal Research Centre, Agriculture and Agri-Food Canada, Morden Research Station,Unit 100-101, Route 100 Morden, MB R6M 1Y5, Canada. Spray nozzle configuration affects foliar disease severity on field pea and chickpea. B.D. Gossen, R.L. Conner and T.M. Wolf. Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada; and (R.L.C.) Cereal Research Centre,AAFC, Morden Research Station, Unit 100 101, Route 100, Morden, MB R6M 1Y5, Canada. Insensitivity of Ascochyta rabiei to stobilurin fungicide in Canada, 2007. B.D. Gossen, S.F. Hwang, N.H. Thaher, and M.R. McDonald. Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada; (S.F.H.) Crop Diversification Centre North, Alberta Agriculture and Rural Development (ARD), 17507 Fort Road NW, Edmonton, AB T5Y 6H3, Canada; and (N.H.T., M.R.M.) Department of Plant Agriculture, Crop Science Building, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada. Effects of three spray inoculation protocols on fusarium head blight infection of cultivars of common wheat and durum wheat. A.T. Guerrieri, A. Brule-Babel, and W.G.D. Fernanedo. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Genetic diversity of Mycosphaerella graminicola popultions from California and Kansas assessed with microsatellite markers. S. Gurung, M. Kabbage, W. Bockus, and T.B. Adhikari. Department of Plant Pathology, 306 Walster Hall, FDept 7660, P.O. Box 6050, North Dakota State University, Fargo, ND 58108-6050, USA; (M.K.) Department of Plant Pathology & Microbiology, Texas A & M University, 120 Peterson 2312 TAMU College Station TX 77843-2312, USA; and (W.B.) Department of Plant Pathology, Throckmorton Plant Sciences Center, Kansas State University, Manhattan, KS 66506-5502, USA. Evolution of resistance to wheat streak mosaic virus in elite durum wheat germplasm. S. Haber, A. Singh, and D.L. Seifers. Cereal Research Centre, Agriculture and Agri-Food Canada, (AAFC) 195 Road, Winnipeg, MB R3T 2M9, Canada; (A.S.) Semiarid Prairie Agriculture Research Centre, AAFC, P.O. Box 1030, Swift Current, SK S9H 3X2, Canada; and (D.L.S.) Agriculture Research Center - Hays, Kansas State University, Hays, KS 67601-9228, USA. Biological control and Plant growth promoting activity of bacteria isolated from composts. B. Hameeda, G. Harini, G. Reddy, and W.G.D. Fernando. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;(G.H., F.W.) International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502324, Andhra Pradesh, India; and (G.R.) Deparment of Microbiology, Osmania University, Hyderabad - 500007, Andhra Pradesh, India. Efficacy and phytotoxicity of copper- and silver bacterial plant Pathogens. M.W. Harding, R.J. Howard, D.A. Burke, G.C. Daniels, S.L. Mobbs, D.A. Sowa, and M.E. Olson. Innovotech Inc., Suite 101, 2011 - 94 Street, Edmonton, AB T 6N 1H1, Canada; and (R.J.H., D.A.B., G.C.D, S.L.M.) Crop Diversification Centre South, Alberta Agriculture and Rural Development, 301 Horticultural Station Road East Brooks, AB T1R 1E6, Canada. Phenylpropanoid pathway genes and secodary metabolites are affected by Phytophthora infestans and its glucan effectors. M.A. Henriquez, E.A. Wolski, O.I. Molina, L.R. Adam, A.B. Andreu, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Department of Soil Science, 309 Ellis Building, 13 Freedman Cresent, University of Manitoba, MB R3T 2N2, Canada; (E.A.W) Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, CP 7600, Argentina; and (A.B.A.) Instituto de Investigaciones Biológicas, CONICET- Universidad Nacional de Mar del Plata, CP 7600, Argentina. Non-native hosts and control of Rhytisma acerinum causing tar spot of maple. T. Hsiang, L.X. Tian, and C. Sopher. Department of Environmental Biology, Bovey Building, University of Guelph,Guelph, ON N1G 2W1, Canada. Influence of host and non-host crops on the germination of resting spores of Plasmodiophora brassicae. S.F. Hwang, H.U. Ahmed, S.E. Strelkov, B.D. Gossen, and G.D. Turnbull. Crop Diversification Centre North, Alberta Agriculture and Rural Development (ARD), 17507 Fort Road NW, Edmonton, AB T5Y 6H3, Canada; (S.E.S)Department of Agriculture, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada; and (B.D.G.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada. Production by Trichoderma harzianum of secondary metabolites with antagonistic effect on perothecial production og Gibberella zeae S. Inch, J. Gilbert, D.J. Walker, F. Daayf, and W.G.D. Fernando. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada; (D.J.W) Department of Environment and Geography, University of Manitoba, MB R3T 2M9, Canada; and (F.D., W.G.D.F) Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2M2, Canada. Induced resistance in carrots to fungal pathogens through application of elicitor compunds. J. Jayaraj, A. Wan, M. Rahman, and Z.K. Punja. Department of Biological Science, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. Comparative redox proteomics in Fusarium graminearum to identify candidate proteins paricipating in the establishment of fusarium head blight on wheat. M. Joshi, R. Submaniam, and C. Rampitsch. Cereal Research Centre, Agriculture and Agri-Food Canada (AAFC), 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada; and (R.S.) Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada. Effect of temperature in relation to seeding date on development and severity of clubroot on a vegetable Brassica. K.C. Kalpana, M.R. McDonald, B.D. Gossen and S.M. Westerveld.Department of Plant Agriculture, Crop Science Building, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada; (B.D.G.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place Saskatoon, SK S7N 0X2, Canada; and (S.M.W.) Ontario Ministry of Agriculture, Food and Rural Affairs. 1283 Blueline Road P.O. Box 587, Simcoe, ON N3Y 4N5, Canada. Molecular differentiation of Pseudomonas syringae pv. tomato groups that infects only tomato and both tomato and Brassica ssp. S.H. Kim and M.S. Cho. Department of Microbiology and Institute of Basic Science, Dankook University, Cheonan, Chungnam 330-714, Korea. Genetic differentiation of Pseudomonas syringae pv. tomato from Pseudomonas Syringae pathovars using REP-PCR and URP-PCR. S.H. Kim, M.S. Cho, D.S. Park, C.W. Choi, and Y.S. Kim. Department of Microbiology and Institute of Basic Science, Dankook University, Cheonan, Chungnam 330-714, Korea; (D.S.P.) National Academy of Agricultural Science, Suwon 441-707, Korea; (C.W.C) Department of Biology and Medical Science Paichai University, Taejeon 302-735, Korea; and (Y.S.K.) Department of Plant Science and Technology, Sangmyung University, Cheonan 330-720, Korea. Effects of host-specific phytotoxin Ptr ToxB on Photosynthesis and the proteome of toxin-sensitive wheat leaves. Y.M. Kim, N.N.V. Kav, M.K. Deyholos, and S.E. Strelkov. Department of Agriculture, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada; and (M.K.D.) Department of Biological Sciencesm University of Alberta, Edmonton, AB T6G 2E9, Canada. Virulence and Adaptation of Potato virus Y on Nicotiana tabacum varieties carrying recessive resistance gene “va” C. Lacroix,M Tribodent, L.Glais, and E.Jacquot. INRA, Agrocampus Ouest, Université de Rennes 1, UMR1099 BiO3P (Biology of Organisms and Populations applied to Plant Protection) BP 35327, F-35653 Le Rheu, France. Pest Management Centre progress with Biopesticides. T. laengle and D.Errampalli. Pest Management Centre, Agriculture and Agri-Food Canada (AAFC)960 Carling Avenue, Ottawa, ON K1A 0C6, Canada; (D.E.) Southern Crop Protection and Food Research Centre, AAFC, 4902 Victoria Avenue North, Vineland Station, 0N LOR 2E0, Canada. Biological control of Beech scale insects with entomogenous fungi. G. Boudreault, R. Lavallée, M. Blais, and J.-Y. Blanchette. Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, 1055 rue du PEPS, P.O. Box 10380, Stn. Sainte-Foy, Québec, QC G1V 4C7, Canada; and (J.-Y.B.) Université de Moncton, campus d'Edmundston, Edmundston NB E3V 2S8, Canada. Changes in population dynamics of bacteria under different cropping systems. R. Li and W.G.D. Fernando Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Genetic transformation of Pinus monticola for investigation of white pine-blister rust interaction. J.-J. Liu and A.K.M. Ekramoddoullah. Pacific Forestry Centre, Canadian Forest Services, Natural Resources Canada, 506 West Burnside Road, Victoria, BC V8Z 1M5, Canada. Function analysis of the wheat stripe rust resistance gene Yr10 using VIGS. W.Liu, D.A. Gaudet, Z.-S. Kang, B. Puchalski, M. Frick, and A. Laroche. College of Plant Protection and Shaanxi Key Labratory of Molecular Biology for Agriculture, Northwerstern A&F University, Yangling, Shaanxi 712100, PR China; and (D.A.G., B.P., M.F., A.L.) Lethbridge Research Centre, Agriculture and Agri-Food Canada, 5403 1st Avenue South, Lethbridge, AB T1J 4B1, Canada. Identification of molecular markers linked to QTLs for fusarium head blight resistance on the A genome in a Triticum timopheevii derived wheat population. A. Malihipour, J. Gilbert, G. Fedak, and A. Brûle-Babel. Department of Biological Sciences, Room 121 Machray Hall, 186 Dysart Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; (J.G.) Cereal Research Centre, Agriculture and Agri-Food Canada,(AAFC) 195 Road, Winnipeg, MB R3T 2M9, Canada; (G.F.) Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada; and Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Does Stagonospora Nodorum have a rece structure? E. Matlock, C. McCartney, and J. Gilbert. Department of Plant Sciences, University of Saskatchewan, Room 4D36 Agriculture Building, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada; and (J.G.) Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. The genetics of leaf rust resistance in the wheat cultivars ‘Superb’,‘ McKenzie’, and ‘HY644’. B.D. McCallum. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Mapping of the crown rust resistance gene Pc91. C.A. McCartney, R.G. Stonehouse, B.G. Rossnagel, P.E. Eckstein, G.J. Scoles, T. Zatorski, and J.Chong. Crop Development Centre/Deparment of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada; (J.C.)Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Nitrogen and fungicide applications in relation to carrot leaf blight and marketable yield of carrot. M.R. McDonald, C. Saude, K. Vander Kooi, and S.M. Westerveld. Department of Plant Agriculture, University of Guelph,Guelph, ON N1G 2W1, Canada and (S.M.W.)Ontario Ministry of Agriculture and Food, 1283 Blueline Road P.O. Box 587, Simcoe, ON N3Y 4N5, Canada. Impact of crop sequence and frequency on the incidence of potato disease in six rotation systems. D.L. Mclaren, R. Mohr, D. Tomasiewicz, K. Volkmar, D. Derksen, B. Irvin, M. Khakbazan, M. Monreal, A. Moulin, and C. Cavers. Brandon Research centre, Agriculture and Agri-Food Canada (AAFC), P.O. Box 1000A, R.R. #3 Brandon, MB R7A 5Y3, Canada; (D.T., C.C.) Canada-Monitoba Crop Diversification Centre, P.O. Box 309, Carberry, MB R0K 0H0, Canada; and (K.V.) Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada. Ustilago tritici survives 30 years of storage in infected wheat seed. J.G. Menzies, J. Nielsen, and P.L. Thomas. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Green manure and organic amendment impacts on verticillium wilt and potato yield. O.I. Molina, A. El Hadrami,M. Tenuta, and F. Daayf. Department of Soil Science, and (A.E., F.D.) Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada Does soil type determine the effectiveness of Brassica juncea residue and seed-meal additions to inhibit the germination of the microsclerotia of Verticillium dahliae? O.I. Molina,M. Tenuta, and F. Daayf. Department of Soil Science, and (F.D.) Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada Cytokinin biosynthesis in Ustilago maydis. E.N. Morrison, R.J.N. Emery, and B.J. Saville. Environmental & Life Science Graduate Program; trent University, DNA Building, 2140 East Bank Drive, Peterborough, ON K9J 7B8, Canada; (R.J.N.E.) Biology Department, Trent University, DNA Building, 2140 East Bank Drive, Peterborough ON K9J 7B8, Canada; and (B.J.S.) Forensic Science, Trent University, DNA Building, 2140, East Bank Drive, Peterborough, ON K9J 7B8, Canada. A Novel product for turfgrass disease control. B. Nash, T. Hsiang, and P. Goodwin. Department of Environmental Biology, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada. Managing sclerotinia rot of carrots in storage with post-harvest application of fludioxonil. R.D> Peters, K.R. Sanderson, P. Monaghan, and L.R. Hale. Crops and Livestock Research Centre, Agriculture and Agri-Food Canada, 440 University Avenue, Charlottetown, PE C1A 4N6, Canada; and (P.M., L.R.H.) Department of Biology, University of Prince Edward Island, 550 University Avenue, Charlottetown, PE C1A 4P3, Canada. Effect of CARAMBA 90 SL (metoconazole) application of Deoxynivalenol contamination in harvested grain of cereals. S.Pirgozliev, N. Froese, and L. Paparcicove. BASF- Canada. 3346 Reagan Bourne Road, London, ON N6N 1K8, Canada; and (N.F., L.P.) BASF- Canada, 202 1st Street, Winkler, MB R6W 3N1, Canada. Host resistance to late blight of Potatoes caused by Phytophthora infestans. H.W. (Bud) Platt, A. Murphy, and V. Maclean. Crops and Livestock Research Centre, Agriculture and Agri-Food Canada, 440 University Avenue, Charlottetown, PE C1A 4N6, Canada; and (A.M.) Potato Research Centre,P.O Box 20280, Fredericton, NB E3B 4Z7, Canada. Genetic resistance in flax to pasmo — is it a reality or an artificial artefact? K.Y. Rashid, E. Gillis, and L. Lamari. Morden Research Station, Unit 100 101, Route 100, Morden, MB R6M 1Y5, Canada; and (E.G. L.L.) Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Evaluation of seedborne infestation by Plasmodiophora brassicae — progress in establishing agricultural significance. D. Rennie, T. Cao, V.P. Manolii, S.F. Hwang, R.J. Howard, D. Burke, and S.E. Strelkov. Department of Agriculture, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada; (S.F.H.) Crop Diversification Centre (CDC) North, Alberta Agriculture and Rural Development (ARD), 17507 Fort Road NW, Edmonton, AB T5Y 6H3, Canada; and (R.J.H., D.B.) CDC South, ARD, 301 Horticultural Station Road East Brooks, AB T1R 1E6, Canada. New source of race non-specific resistance to leaf rust of wheat. S.B. Rosa, B. McCallum, and A. Brule-Babel, Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada; (S.B.R., A.B.B.) Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Disease of false flax (Camelina sativa). G. Séguin-Swartz, C. Eynck, R.K. Gugel, S.E. Strtelkov, C.Y. Olivier, J.L. LI, H. Klein-Gebbinck, H. Borhan, C.D. Caldwell, and K.C. Falk. Saskatoon Research Centre, Agriculture and Agri-Food Canada, (AAFC) 107 Science Place Saskatoon, SK S7N 0X2, Canada; (S.E.S) Department of Agricultural, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada; (J.L.L., C.C.) Department of Plant and Animal Science, Nove Scotia Agricultural College, Truro, NS B2N 5E3, Canada; (H.K.-G) Lacombe Research Centre, AAFC, Beaverlodge Research Farm, P.O. Box 29 Beaverlodge, AB T0H 0C0, Canada. Application of PCR-based detection methods in routine plant disease diagnosis. X.C. Shan and M. Sabourin. Pest Diagnostic Clinic, Labratory Services Division, University of Guelph, Guelph, ON N1H 8J7, Canada. Isolate mixtures increase the effectiveness of plant strengtheners in including resistance in tomatoes against Phytophthora infestans K.Sharma, C. Bruns, and M.R. Finckh. Faculty of Organic Agricultural Sciences, Department of Ecological Plant Protection, University of Kassel, Nordbahnhofstr. la, D-37213, Witzenhausen, Germany. Inducibility of resistance in tomatoes against Phytophthora infestans is affected by variety, pathogen isolate, fertilisers, and bio-stimulants, Pathogen isolate, fertilizers, and bio-stimulants. K. Sharma, A.F. Butz, E. Schulte- Geldermann, C. Bruns, and M.R. Finckh. Faculty of Organic Agricultural Sciences, Department of Ecological Plant Protection, University of Kassel, Nordbahnhofstr. la, D-37213, Witzenhausen, Germany. Outbreak of volutella leaf and stem blight of boxwood in Ontario. F. Shi and T. Hsiang. Department of Environmental Biology, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada. Identification and control of grape sour rot causal agents in British Columbia. P.L. Sholberg, D.T. O'Gorman, and P.D. Haag. Pacific Agri-Food Research Centre, Agriculture and Agri-Food Canada, P.O. Box 5000, Summerland, BC V0H 1Z0, Canada. Multiple families of defense related genes are involved in Douglas-fir molecular interaction with Phellinus sulphurascens. R.N. Sturrock, M.A. Islam, H.L. Williams, and A.K.M. Ekramoddoullah. Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, 506 West Burnside Road, Victoria, BC V8Z 1M5, Canada. Reducing copper applications for late blight management in oragnic potato production. L. Syrovy, B. Glover, M. Dessureault, H. Meberg, and J.F. Elmhirst. E.S. Cropconsult Ltd., 3041 West 33rd Avenue, Vancouver, BC V6n 2G6, Canada; and (J.F.E.) Elmhirst Diagnostics & Research, 5727 Riverside Street, Abbotsford, BC V4X 1T6, Canada. Fungicide control of fusarium head blight symptoms and deoxynivalenol (DON) level caused by 15- ADON and 3-ADON Fusarium Graminearum isolates in wheat in Ontario. L. tamburic-Illincic, A. Muckle, and A. Schaafsma. Ridgetown Campus, University of Guelph,120 Main Street East, Ridgetown, ON N0P 2C0, Canada. Differntial expression of defense signaling genes in Solanum tuberosum - Verticillium dahliae interaction. H.A. Taylor, M. Badawi, M.A. Henriquez, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Recovery of Fusarium spp. from inoculated, fusarium head blight-affectec oats. A. Tekauz. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Monitoring fusarium head blight of barley in Manitoba — a 15-year appraisal. A. Tekauz and B.D. McCallum. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Broad spectrum disease resistance towards necrotophic and biotrophic pathogens in transgenic carrots expressing an Arabidopsis NPR1 gene O.Wally, J. Jayaraj, and Z.K. Punja. Department of Biological Science, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. Fusion body formation, germ tube anastomosis, and nuclear migration during the anastomosis of urediniospore germ tubes in the wheat leaf rust fungus Puccinia triticina. X. Wang and B. McCallum. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Miniprimer PCR targeting multiple genes — a new reliable tool for identification of Pantoea stewartii ssp. stewartii. R. Xu, Q. Chen, Z.R. Djama, and J.T. Tambong. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada Molecular characterization of the interaction between Helianthus annuus and Verticillium dahliae. Z. Yao, L.R. Adam, K.Y. Rashid, and F. Daayf. Department of Plant Science, 222 Agriculture Building, 66 Dafoe Road, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; and (K.Y.R.) Cereal Research Centre, Agriculture and Agri-Food Canada, Morden Research Station,Unit 100-101, Route 100 Morden, MB R6M 1Y5, Canada. Symposium; Signalling in Plant Pathogen Interactions Part of the Canadian Phytopathological Society Annual Meeting 22–25 June 2009, Winnipeg, Manitoba, Canada The interaction of avirulence and resistance gene products in flax disease. A. Catanzariti, P.N. Dodds, J.G. Ellis, and B.J. Staskawicz. Department of Plant and Microbial Biology, 111 Koshland Hall, University of California, Barkeley, CA 94720, USA; and (P.N.D., J.G.E.) The Commonwealth Scientific and Industrial Research Organization- Plant Industry, GPO Box 1600, Canberra, ACT 2601 Australia. Genetics of the Stagonospora nodorum - wheat interaction — evidence for complex, toxin-based inverse gene-for-gene system. T.L. Friesen. United States Department of Agriculture-Agricultural Rsearch Service, Cereal Crops Research Unit, Northern Crop Science Lab, 1307 18th Street North, Fargo, ND 58105, USA. Using Knowledge of genetic interations between Brassica napus and Leptosphaeria maculans to manage specific resistance of blackleg of oilseed rape. H.R. Kutler, F. Yu, and H.Brun. Saskatoon Research Centre, Agriculture and Agri-Food Canada (AAFC), Melfort Research Farm, P.O. Box 1240, Melfort SK S0E 1A0, Canada; and (H.B.) Institut National de la Recherche Scientifique, UMR, Centre de Recherches de Rennes, Domaine de la Motte - B.P. 35327, 35653 LE RHEU CEDEX France. Utilization of an Autoimmune model to dissect the plant defence signalling pathways. X.Li Department of Botany 3529-6270 University Boulevard; and Michael Smith labratories, # 301-2185 East Hall, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. Symposium: Root Disease; Challenges and Perspectives Part of the Canadian Phytopathological Society Annual Meeting 22–25 June 2009, Winnipeg, Manitoba, Canada Clubroot — new perspectives on an old disease. R.J. Howard, S.E. Strelkov, and M.W. Harding. Crop Diversification Centre South, Alberta Agriculture and Rural Development, 301 Horticultural Station Road East Brooks, AB T1R 1E6, Canada; and (S.E.S) Department of Agricultural, Food and Nutritional Science, 410 Agriculture/Forestry Centre, University of Alberta, Edmonton AB T6G 2P5, Canada Verticillium wilt of potato — the disease, pathogen, and management. D.A. Johnson. Department of Plant Pathology, Washington State University, P.O. Box 646430, Pullman, WA 99164-6430, USA. Root disease in the forest ecosystem. G. Laflamme. Centre de foresterie des Laurentides, Resources naturelles Canada, Service canadian des forêts, C.P. 10380, 1055, rue du PEPS, succ. Sainte-Foy, Québec, QC G1V 4C7, Canada.