Annual Meeting, Edmonton, Alberta, 2005

Abstract

Effect of fish emulsion preplant soil amendment on common scab of potato and tuber yield in eight commercial potato field soils. P.A. Abbasi, K.L. Conn, and G. Lazarovits. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3 Canada. Evaluation of disease-management strategies for ascochyta blight of chickpea in Alberta. H.U. Ahmed, K.F. Chang, S.F. Hwang, T. Warkentin, and R.J. Howard. Field Crop Development Centre, Alberta Agriculture, Food and Rural Development (AAFRD), 6000 C & E Trail, Lacombe, AB T4L 1W1, Canada; (S.F.H.) Alberta Research Council, P.O. Box 4000, Vegreville, AB T9C 1T4, Canada; (T.W.) Crop Development Centre, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada; and (R.J.H.) Crop Diversification Centre South, AAFRD, S.S. 4, Brooks, AB T1R 1E6, Canada. Application of DNA methods to identify and detect Pythium, Phytophthora, and Fusarium spp. associated with soybean root rot in eastern Ontario and Québec. T. Barasubiye, K.A. Seifert, A. Tenuta, S. Rioux, T. Anderson, and C.A. Lévesque. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada (AAFC), 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada; (A.T.) Ontario Ministry of Agriculture and Food, P.O. Box 400, Main Street, Ridgetown, ON N0P 2C0, Canada; (S.R.) Centre de recherche sur les grains, 2700 Einstein Street, Sainte-Foy, QC G1P 3W8, Canada; and (T.A.) Greenhouse and Processing Crops Research Centre, AAFC, 2585 County Road 20, Harrow, ON N0R 1G0, Canada. Evaluation of field pea genotypes for resistance to seedling blight and root and stem rot caused by Rhizoctonia solani. K.F. Chang, S.F. Hwang, H. Wang, B.D. Gossen, G.D. Turnbull, and R.J. Howard. Field Crop Development Centre, Alberta Agriculture, Food and Rural Development (AAFRD), 6000 C & E Trail, Lacombe, AB T4L 1W1, Canada; (S.F.H., H.W., G.D.T.) Alberta Research Council, P.O. Box 4000, Vegreville, AB T9C 1T4, Canada; (B.D.G.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK S7N 0X2, Canada; and (R.J.H.) Crop Diversification Centre South, AAFRD, S.S. 4, Brooks, AB T1R 1E6, Canada. Potential mechanisms of biological control by Gliocladium catenulatum against fusarium root and stem rot of greenhouse cucumber. S. Chatterton and Z.K. Punja. Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. Induction by Leptosphaeria biglobosa of systemic acquired resistance to blackleg caused by Leptosphaeria maculans in canola. Y. Chen, S. Nakkeeran, and W.G.D. Fernando. Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, MB R3T 2N2, Canada. A growth-chamber method for screening canola for resistance to fusarium wilt. G. Chongo and I. Scholer. Bayer CropScience, Site 600, Box 117, R.R. 6, Saskatoon, SK S7K 3J9, Canada. Impact of six fungicide soil treatments on potato scab incidence in two potato soils. K.L. Conn and G. Lazarovits. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada. Impact of four types of lime on potato scab incidence in eight potato soils. K.L. Conn and G. Lazarovits. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada. Refinement of polymerase chain reaction (PCR)-based methods for detecting and quantifying the bacterial-spot pathogen on seeds and transplant seedlings. D.A. Cuppels and T. Ainsworth. Southern Crop Protection and 466 Can. J. Plant Pathol. Vol. 27, 2005 Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada. Double antibody sandwich enzyme-linked immunosorbent assay for detection of Plum pox virus, using polyclonal antibodies. D. Errampalli, L.W. Stobbs, L. Van Driel, C.A. Collucci, K. Whybourne, and L.I. Wainman. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 4902 Victoria Avenue North, Vineland Station, ON L0R 2E0, Canada. Effect of 1-methylcyclopropene treatment on postharvest decay in apple ‘Empire’ and ‘McIntosh’. D. Errampalli, J.R. DeEll, and D.P. Murr. Southern Crop Protection and Food Research Centre, Agriculture and Agri- Food Canada, 4902 Victoria Avenue North, Vineland Station, ON L0R 2E0, Canada; (J.R.D.) Ontario Ministry of Agriculture and Food, Blue Line Road Highway 3, Simcoe, ON N3Y 4N5, Canada; and (D.P.M.) Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada. Diversity of Gibberella zeae isolates from Manitoba. W.G.D. Fernando, J.X. Zhang, X.W. Guo, M. Dusabenyagasani, H. Ahmed, and B. McCallum. Department of Plant Science, 222 Agriculture Building, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; and (B.M.) Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Potential impact of a widely virulent stem rust race in Kenya on Canadian wheat production. T. Fetch and Y. Jin. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada; and (Y.J.) Cereal Disease Laboratory, Agricultural Research Service, United States Department of Agriculture, St. Paul, MN 55108, USA. Methyl-jasmonate and salicylic acid regulate expression of defense-related genes and reduce infection by common bunt in wheat (Triticum aestivum). D.A. Gaudet, J. Lu, B. Puchalski, T. Despins, M. Frick, and A. Laroche. Lethbridge Research Centre, Agriculture and Agri-Food Canada, P.O. Box 3000, Lethbridge, AB T1J 4B1, Canada. Susceptibility to Leptosphaeria maculans of Brassica napus at different growth stages, and its relationship to weather conditions. K. Ghanbarnia and W.G.D. Fernando. Department of Plant Science, 222 Agriculture Building, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Identification of Botrytis mali within the Botrytis population causing fruit decay on apple in the orchards of British Columbia. D.T. O'Gorman, S. Stokes, and P.L. Sholberg. Pacific Agriculture Research Centre, Agriculture and Agri-Food Canada, P.O. Box 5000, Highway 97, Summerland, BC V0H 1Z0, Canada. Assessment of partial resistance to mycosphaerella blight in pea. B.D. Gossen, M.R. McDonald, and S.F. Hwang. Saskatoon Research Centre, Agriculture and Agri- Food Canada, 107 Science Place, Saskatoon, SK S7N 0X2, Canada; (M.R.M.) Department of Plant Agriculture, Crop Science Building, University of Guelph, Guelph, ON N1G 2W1, Canada; and (S.F.H.) Alberta Research Council, P.O. Box 4000, Vegreville, AB T9C 1T4, Canada. Potential biocontrol agents against Pythium root rot of greenhouse tomato. V. Gravel, C. Martinez, H. Antoun, and R.J. Tweddell. Centre de recherche en horticulture, Université Laval, Québec, QC G1K 7P4, Canada; and (H.A.) Département des sols et génie agroalimentaire, Université Laval, Québec, QC G1K 7P4, Canada. Microorganisms stimulating growth and development of greenhouse tomato plants. V. Gravel, C. Martinez, H. Antoun, and R.J. Tweddell. Centre de recherche en horticulture, Université Laval, Québec, QC G1K 7P4, Canada; and (H.A.) Département des sols et génie agroalimentaire, Université Laval, Québec, QC G1K 7P4, Canada. Predicting fusarium head blight and deoxynivalenol in spring wheat by quantifying spores per head following anthesis. X.W. Guo, W.G.D. Fernando, T. Nowicki, H. Sapirstein, and P. Bullock. Department of Plant Science; (H.S.) Department of Food Science; and (P.B.) Department of Soil Science, University of Manitoba, MB R3T 2N2, Canada; and (T.N.) Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main Street, Winnipeg, MB R3C 3G8, Canada. A polymerase chain reaction approach to detect bacterial blight organisms in an epidemiological study in drybean fields in southern Alberta. M.W. Harding, R.J. Howard, D.A. Burke, and S.L. Pugh. Crop Diversification Centre South, Alberta Agriculture, Food and Rural Development, S.S. 4, Brooks, AB T1R 1E6, Canada. Impact of seeding and disease initiation dates on seed yield and severity of mycosphaerella blight in field pea. S.F. Hwang, K.F. Chang, R.L. Conner, B.D. Gossen, R.J. Howard, G.D. Turnbull, and D.J. Bing. Alberta Research Council, P.O. Box 4000, Vegreville, AB T9C 1T4, Canada; (K.F.C.) Field Crop Development Centre, Alberta Agriculture, Food and Rural Development (AAFRD), 6000 C & E Trail, Lacombe, AB T4L 1W1, Canada; (R.L.C.) Cereal Research Centre, Agriculture and Agri-Food Canada (AAFC), Mordon Research Station, Unit 100–101, Route 100, Morden, MB R6M 1Y5, Canada; (B.D.G.) Saskatoon Research Centre, AAFC, 107 Science Place, Saskatoon, SK S7N 0X2, Canada; (R.J.H.) Crop Diversification Centre South, AAFRD, S.S. 4, Brooks, AB T1R 1E6, Canada; and (D.J.B.) Lacombe Research Centre, AAFC, 6000 C & E Trail, Lacombe, AB T4L 1W1, Canada. New perspectives on white pine blister rust. D.L. Joly and R.C. Hamelin. Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, 1055 du P.E.P.S. Street, Sainte-Foy, QC GIV 4C7, Canada. Bacteriophages as potential biocontrol agents of fire blight, and the development of multiplex real-time polymerase chain reaction to monitor their ecological impact. W.-S. Kim, S. Lehman, K. Schneider, E. Barszcz, A.J. Castle, and A.M. Svircev. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 4902 Victoria Avenue North, P.O. Box 6000, Vineland Station, ON L0R 2E0, Canada; and (A.J.C.) Department of Biological Science, Brock University, St. Catharines, ON L2S 3A1, Canada. Resistance of Brassica napus cultivars to Fusarium oxysporum f. sp. conglutinans. J. Klassen and W.G.D. Fernando. Department of Plant Science, 222 Agriculture Building, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Yeasts of lowbush blueberry: potential biocontrol agents for blueberry diseases. D. Langdon, P.D. Hildebrand, and J.A. Traquair. Biology Department, The University of Western Ontario, London, ON N6A 5B7, Canada; (P.D.H.) Atlantic Food and Horticulture Research Centre, Agriculture and Agri-Food Canada (AAFC), 32 Main street, Kentville, NS B4N 1J5, Canada; and (J.A.T.) Southern Crop Protection and Food Research Centre, AAFC, 1391 Sandford Street, London, ON N5V 4T3, Canada. Water stress and the Septoria musiva – hybrid poplar pathosystem. J.M. LeBoldus, P.V. Blenis, and B. Thomas. Department of Renewable Resources, University of Alberta, Edmonton, AB T6G 2C6, Canada. Differentiation of Colletotrichum spp. from scentless chamomile and lentil based on infection characteristics and ITS sequences. L. Liu, G. Peng, Y.D. Wei, B.D. Gossen, and K.L. Bailey. Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada; and (G.P., B.D.G., K.L.B.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK S7N 0X2, Canada. Juglone, an allelopathic compound produced by Juglans nigra (black walnut), may predispose soybean plants (Glycine max) to infection by Fusarium solani f. sp. glycines. A.M. Manceur, N.V. Thevatasan, A. Gordon, T. Gillespie, and G.J. Boland. Department of Environmental Biology, University of Guelph, Guelph, ON N1G 2W1, Canada; and (T.G.) Land Resource Science, University of Guelph, Guelph, ON N1G 2W1, Canada. Liming and calcium-fertilizer application for clubroot control in canola (Brassica napus). V.P. Manolii, S.E. Strelkov, V.K. Bansal, and R.J. Howard. Department of Agricultural, Food and Nutritional Science, University of Alberta, 410 H Agriculture/Forestry Centre, Edmonton, AB T6G 2P5, Canada; and (V.K.B., R.J.H.) Crop Diversification Centre South, Alberta Agriculture, Food and Rural Development, S.S. 4, Brooks, AB T1R 1E6, Canada. Evidence for a second seedling resistance gene to leaf rust in the ‘Thatcher’-Lr1 near-isogenic wheat line RL6003. B.D. McCallum, S. Cloutier, C. Rampitsch, and N. Bykova. Cereal Research Centre, Agriculture and Agri- Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Impact of oat plants, oat plant extracts, and saponins on Sclerotinia sclerotiorum. D.L. McLaren, R.M. Mohr, and R.B. Irvine. Brandon Research Centre, Agriculture and Agri-Food Canada, P.O. Box 1000A, R.R. 3, Brandon, MB R7A 5Y3, Canada. Impacts of a preceding oat crop on stem rot of canola and the pathogen Sclerotinia sclerotiorum. R.M. Mohr, D.L. McLaren, and R.B. Irvine. Brandon Research Centre, Agriculture and Agri-Food Canada, Box 1000A, R.R. 3, Brandon, MB R7A 5Y3, Canada. Pathogenicity of Fusarium oxysporum f. sp. lini isolates from flax. S.I. Mpofu and K.Y. Rashid. Olds College, 4500- 50 Street, Olds, AB T4H 1R6, Canada; and (K.Y.R.) Cereal Research Centre, Agriculture and Agri-Food Canada, Mordon Research Station, Unit 100–101, Route 100, Morden, MB R6M 1Y5, Canada. Interaction between wheat cultivar and bacterial isolate for rhizosphere colonization, and root accumulation of Pseudomonas-derived 2,4-diacetylphloroglucinol. P.A. Okubara, J. Mitchell, M. Berghammer, and R.F. Bonsall. Root Disease and Biological Control Research Unit, Agricultural Research Service, United States Department of Agriculture, P.O. Box 646430, Washington State University, Pullman, WA, 99164-6430, USA. Effect of crop rotation on severity of red root rot and grain yield in corn. S. Pouleur, L. Couture, A. Comeau, and J. Lafond. Soils and Crops Research and Development Centre, Agriculture and Agri-Food Canada, 2560 Hochelaga Boulevard, Sainte-Foy, QC G1V 2J3, Canada; and (J.L.) Research Farm, Agriculture and Agri-Food Canada, 1468 Saint-Cyrille Street, Normandin, QC G8M 4K3, Canada. Role of Fusarium spp. in rusty-root development on ginseng in British Columbia. Z.K. Punja, A. Wan, and M. Rahman. Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. Variation in Cylindrocarpon destructans isolates causing root rot of American ginseng (Panax quinquefolius). M. Rahman and Z.K. Punja. Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. Pseudomonas chlororaphis strain 190 and biological control of blackleg in canola: understanding the array of potential mechanisms involved. R. Ramarathnam and W.G.D. Fernando. Department of Plant Science, 222 Agriculture Building, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Differential induction of glucanase and peroxidase by antagonistic bacteria towards biocontrol of Leptosphaeria maculans in canola. R. Ramarathnam, W.G.D. Fernando, and S. Nakkeeran. Department of Plant Science, 222 Agriculture Building, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. Control of sclerotinia head rot in sunflower. K.Y. Rashid. Cereal Research Centre, Agriculture and Agri-Food Canada, Morden Research Station, Unit 100–101, Route 100, Morden, MB R6M 1Y5, Canada. Characterization of phenolic compounds in two pine species resistant to the European race of Gremmeniella abietina, the causal agent of scleroderris canker. D. Rioux, M. Simard, and G. Laflamme. Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, 1055 du P.E.P.S. Street, Sainte-Foy, QC G1V 4C7, Canada. Efficiency of cycloheximide and deoxynivalenol for in vitro screening of resistance to fusarium head blight in wheat. H. Soltanloo, S. Ramezanpour, M. Seraj, D.A. Gaudet, and F. Eudes. Department of Plant Breeding, University of Tehran, Karaj, Iran; (M.S.) Seed and Plant Improvement Institute, Karaj, Iran; and (D.A.G., F.E.) Lethbridge Research Centre, Agriculture and Agri-Food Canada, P.O. Box 3000, Lethbridge, AB T1J 4B1, Canada. Resistance to stripe rust in Iranian wild wheat (Triticum boeoticum). H. Soltanloo, S. Ramezanpour, S.M.F. Tabatabaei, M.R. Rahiminedjad, M.R. Ghannadha, D.A. Gaudet, and A. Laroche. Department of Plant Breeding, University of Tehran, Karaj, Iran; (S.M.F.T.) Department of Horticulture, University of Tehran, Karaj, Iran; (M.R.R.) Department of Biology, College of Science, University of Esfahan, Esfahan, Iran; and (H.S., S.R., D.A.G., A.L.) Lethbridge Research Centre, Agriculture and Agri-Food Canada, P.O. Box 3000, Lethbridge, AB T1J 4B1, Canada. Characterization of Plasmodiophora brassicae populations from Alberta, Canada. S.E. Strelkov, J.P. Tewari, and E. Smith-Degenhardt. Department of Agricultural, Food and Nutritional Science, University of Alberta, 410 H Agriculture Forestry Centre, Edmonton, AB T6G 2P5, Canada. Wheat nonspecific lipid-transfer proteins inhibit in vitro growth of wheat and nonwheat fungal pathogens. J.-Y. Sun, D.A. Gaudet, Z.-X. Lu, M. Frick, B. Puchalski, and A. Laroche. Lethbridge Research Centre, Agriculture and Agri- Food Canada, P.O. Box 3000, Lethbridge, AB T1J 4B1, Canada. Relative susceptibility of cereal grains to fusarium head blight. A. Tekauz. Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada. Efficacy of reduced-risk fungicides and the TOMCAST disease-forecasting system as tools for control of septoria late blight in celery. C.L. Trueman, M.R. McDonald, B.D. Gossen, and A.W. McKeown. Department of Plant Agriculture, Crop Science Building, 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. Effect of different rates of nitrogen and calcium fertilizers on incidence and severity of septoria late blight and celery yield. C.L. Trueman, M.R. McDonald, B.D. Gossen, and A.W. McKeown. Department of Plant Agriculture, Crop Science Building, 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. Characteristics of wheat fields positive for Fusarium graminearum in Alberta, in 2002 and 2003. T.K. Turkington, R.M. Clear, and S.K. Patrick. Lacombe Research Centre, Agriculture and Agri-Food Canada, 6000 C & E Trail, Lacombe, AB T4L 1W1, Canada; and (R.M.C., S.K.P.) Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main Street, Winnipeg, MB R3C 3G8, Canada. Anthracnose of blueberry in British Columbia – epidemiology, overwintering strategy, and biological control of disease. N. Verma, L. MacDonald, and Z.K. Punja. Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A1S6, Canada; and (L.M.) British Columbia Ministry of Agriculture, Food and Fisheries, 1767 Angus Campbell Road, Abbotsford, BC V3G2M3, Canada. Discrimination of carrot diseases in storage, using headspace volatile-metabolite profiles. A. Vikram, A. Hossain, L.H. Lui, and A.C. Kushalappa. Plant Science Department, McGill University, 21111 Lakeshore Road, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada. Susceptibility of lentil cultivars to rhizoctonia seedling blight and root rot in Alberta. H. Wang, S.F. Hwang, K.F. Chang, G.D. Turnbull, and R.J. Howard. Alberta Research Council, P.O. Box 4000, Vegreville, AB T9C 1T4, Canada; (K.F.C.) Field Crop Development Centre, Alberta Agriculture, Food and Rural Development (AAFRD), 6000 C & E Trail, Lacombe, AB T4L 1W1, Canada; and (R.J.H.) Crop Diversification Centre South, AAFRD, S.S. 4, Brooks, AB T1R 1E6, Canada. Impact of lodging and foliar fungicide on severity of mycosphaerella blight and yield in field-pea lines. T.F. Wang, B.D. Gossen, and A.E. Slinkard. Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada; and (B.D.G.) Saskatoon Research Centre, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK S7N 0X2, Canada. Effect of conditionally dispensable chromosomes on rhizosphere colonization by the fungus Nectria haematococca MPVI. G.J. White and H.D. VanEtten. Department of Plant Pathology, University of Arizona, Tucson, AZ 85721, USA. Comparison of inoculum sources on the development of fusarium head blight and deoxynivalenol content in wheat in a disease nursery. A.G. Xue, G. Butler, H.D. Voldeng, G. Fedak, M.E. Savard, Y. Chen, and F. Sabo. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, K.W. Neatby Building, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada. Effect of seed treatments on control of dwarf bunt of winter wheat in Ontario. A.G. Xue, A. Tenuta, E. Sparry, M. Etienne, Y. Chen, X.L. Tian, and F. Sabo. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri- Food Canada, 960 Carling Avenue, Ottawa, ON, K1A 0C6, Canada; (A.T.) Ontario Ministry of Agriculture and Food, P.O. Box 400, Ridgetown, ON N0P 2C0, Canada; (E.S.) C&M Seeds, R.R. 3, Palmerston, ON N0G 2P0, Canada; and (M.E.) Hyland Seeds, 11087 Petty Street, Ailsa Craig, ON N0M 1A0, Canada. Comparison of single spore isolation techniques for Plasmodiophora brassicae. S. Xue and S.E. Strelkov. Department of Agricultural, Food and Nutritional Science, University of Alberta, 410 H Agriculture/Forestry Centre, Edmonton, AB T6G 2P5, Canada. Inhibitory effects of organic and inorganic salts on the growth of Erwinia carotovora, a soft rot causative agent in potato tubers: physico-chemical basis. E.-S. Yaganza, R.J. Tweddell, and J. Arul. Centre de recherche en horticulture, Pavillon de l'envirotron, Université Laval, Québec, QC G1K 7P4, Canada. A proteomic analysis of resistance to Erysiphe pisi in Pisum sativum × Pisum fulvum . R. Zhang, S.F. Hwang, K.F. Chang, S. Strelkov, and G.D. Turnbull. Alberta Research Council, P.O. Box 4000, Vegreville, AB T9C 1T4, Canada; (K.F.C.) Field Crop Development Centre, Alberta Agriculture, Food and Rural Development, 6000 C & E Trail, Lacombe, AB T4L 1W1, Canada; and (S.S.) Department of Agricultural, Food and Nutritional Science, University of Alberta, 410 H Agriculture/Forestry Centre, Edmonton, AB T6G 2P5, Canada. Screening corn for resistance to common rust, eyespot, and northern leaf blight. X. Zhu and L.M. Reid. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri- Food Canada, Central Experimental Farm, Ottawa, ON K1A 0C6, Canada.