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Abstract
Incidence, severity, and impact of blackleg in winter rapeseed in Ontario during 1988 and 1989. R. Assabgui. and R. Hall. Environmental Biology, University of Guelph, Guelph, Ontario NIG2WL.
Use of antiserum for identification and quantification of Ptr necrosis toxin. CM. Ballance, L. Lamari, and C.C. Bernier. Plant Science Department, University of Manitoba, Winnipeg, Manitoba R3T2N2.
The induction of melanization and cell wall appositions in hyphae of Rhizoctonia solani by Trichoderma spp. R.A. Brammall. Horticultural Research Institute of Ontario, Horticulture Experiment Station, P.O. Box 587, Simcoe, Ontario N3 Y 4N5.
Effect of interrupted wet periods on infection of carrot by Cercospora carotae. O. Carisse and A.C. Kushalappa. Department of Plant Science, Macdonald College of McGill University. 21 111 Lakeshore Road, Ste-Anne-de-Bellevue, Quebec H9X 1 CO.
Effect of Septoria apiicola on yield of two celery cultivars. R.F. Cerkauskas. Research Station, Agriculture Canada, Vineland Station, Ontario LOR 2E0.
Cultivar-specific induction of necrosis by exudates from basidiospore germlings of the cowpea rust fungus. Chang- Yong Chen and Michèle C. Heath. Botany Department, University of Toronto, Toronto, Ontario M5S 1A1.
Infection of seed of winter rapeseed in Ontario by Leptosphaeria maculons. J.L. Chigogora and R. Hall. Environmental Biology, University of Guelph, Guelph, Ontario N1G2WI.
Use of biotinylated DNA probes for the detection and differentiation of mycopiasmalike organisms. S.J. Deng and C. Hiruki. Department of Plant Science, University of Alberta, Edmonton, Alberta T6G 2P5.
YSSM-XP medium assisted by starch rétrogradation for detection of Xanthomonas campestris pv. phaseoli. B.N Dhanvantari. Research Station, Agriculture Canada, Harrow, Ontario NOR I GO.
Isolation of protoplasts from the Armillaria species of northern Ontario. M.T. Dumas. Forestry CanadajOntario Region, Great Lakes Forestry Centre, P. O. Box 490, Sault Ste. Marie, Ontario P6A 5 M7.
Ergot control in wheat and barley with soil applied copper sulphate. I.R. Evans, D. Penny, R. Sherstabetoff, and E. Solberg. Alberta Agriculture, Edmonton, Alberta.
Anti-viral activity of methylated flavonoids against tobacco mosaic virus. C.J. French, R.K. Ibrahim, and G.H.N. Towers. Agriculture Canada, 6660 N.W. Marine Drive, Vancouver, British Columbia V6T 1X2; Biology Department, Concordia University, Montreal, Quebec; and Department of Botany, University of British Columbia, British Columbia.
Wheat streak mosaic virus (WSMV) infection of wheat tissue. Jian-Guo Gao and Annette Nassuth. Department of Botany, University of Guelph, Guelph, Ontario NIG 2WI.
Forage yield loss in alfalfa caused by winter crown rot. B.D. Gossen. Research Station, Agriculture Canada, 107 Science Crescent, Saskatoon, Saskatchewan S7N 0X2.
Environmental chamber analysis for the enhancement of biocontrol of foliar diseases. Darlene J. Hannusch and Greg J. Boland. Department of Environmental Biology, University of Guelph, Guelph, Ontario NIG 2W1.
The effect of tricyclazole on the survival of microsclerotia of Verticillium dahliae. M.A. Hawke and G. Lazarovits. Research Centre, Agriculture Canada, 1400 Western Road, London, Ontario N6G 2V4.
Biosurfactant production by pectolytic fluorescent pseudomonads and its role in broccoli head rot. P.D. Hildebrand, M.V. Laycock, and P. Thibault. Agriculture Canada, Kentville, Nova Scotia B4N 1J5, and (M.V.L. and P.T.) Atlantic Research Laboratory, NRC, 1411 Oxford St., Halifax, Nova Scotia B3H ill.
Seedling blight of safflower in southern Alberta. R.J. Howard and E.R. Moskaluk. Alberta Special Crops and Horticultural Research Center, Brooks, Alberta T0J 0J0.
The inheritance of resistance of Brassica juncea to Leptosphaeria maculans. M. Keri, S.R. Rimmer, and C.G.J. van den Berg. Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T 2N2.
A metabolite of Pénicillium verrucosum inhibitory to growth of Leptosphaeria maculans and Rhizoctonia solani. P.D. Kharbanda and J.S. Dahiya. Alberta Environmental Centre, Vegreville, Alberta T0B4L0.
North American and European races of Gremmeniella abietina in Quebec: Their presence in plantations and individual trees. G. Laflamme, and G. Bussières. Forestry Canada, Quebec Region, Sainte-Foy, Quebec G1V 4C7 and Faculty of Forestry, Laval University, Sainte-Foy, Quebec G1K7P4.
In vivo production of host-selective toxic metabolites in the Pyrenophora tritici-repentis/wheat system. L. Lamari, G.M. Ballance, and C.C. Bernier. Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T2N2.
Genetics of tan necrosis and extensive chlorosis in tan spot of wheat. L. Lamari and C.C. Bernier. Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T2N2.
Ability of sphagnum peat moss to suppress damping-off caused by Pythium ultimum. D. Le Quéré, S. Gagné and M. Caron. Premier Research Center, Premier Peat Moss Ltd., Rivière-du-Loup, Québec G5R 4C9.
Site, host specificity, and pathogenicity of Pythium spp. colonizers of glyphosate treated seedlings. C. A. Lévesque and J.E. Rahe. Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6.
Biological control of tan spot caused by Pyrenophora tritici-repentis in wheat. Baochun Li and J.C. Sutton. Department of Environmental Biology, University of Guelph, Guelph, Ontario N1G2W1.
Breeding for quantitative resistance to powdery mildew of barley using recurrent selection. J.H. Louter and D.E. Falk. Department of Crop Science, University of Guelph, Guelph, Ontario N1G2WI.
Triadimefon decreases PR proteins induced by powdery mildew in barley. D. Luckert, R. Hall, J.C. Sutton, and R.A. Fletcher. Department of Environmental Biology, University of Guelph, Guelph, Ontario N1G2W1.
Isolation of fungi from winter wheat crowns in Saskatchewan. W. McFadden and H. Harding. Research Station, Agriculture Canada, 107 Science Cres., Saskatoon, Saskatchewan S7N 0X2.
Dendrochronological studies of sugar maple (Acer saccharum) in Ontario. D.L. McLaughlin, W.D. Mcllveen, and W.I. Gizyn. Ontario Ministry of the Environment, 880 Bay St., Toronto, Ontario M5S 1Z8.
Amendment of hydroponic nutrient solutions with soluble silicon affects powdery mildew on long English cucumber. J.G. Menzies, D.L. Ehret, A.D.M. Glass, and A.L. Samuels. Agriculture Canada, P.O. Box WOO, Agassiz, British Columbia V0M IA0, and (A.D.M.G. and A.L.S.J Department of Botany, University of British Columbia, 6270 University Blvd., Vancouver, British Columbia V6T2B1.
Induction of phytoalexin production and disease resistance in carrot slices by UV light. J. Mercier, R. Ponnampalam, and J. Arul. Sciences et technologie des aliments, Université Laval. Ste-Foy, Québec GIK 7P4.
Effects of planting infected seed on epidemics of ascochyta blight of lentil. R.A.A. Morrall and S. Bedi. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0 W0.
The cytology of Colletotrichum trifolii — Medicago sativa interactions. M. Mould and J. Robb. Department of Molecular Biology and Genetics, University of Guelph, Guelph, Ontario NIG2WI.
Biological control of Botrytis cinerea in strawberry. Gang Peng and John C, Sutton. Department of Environmental Biology, University of Guelph, Guelph. Ontario NIG 2WI
Inhibition of melanin deposition in chlamydospores of Thielaviopsis basicola by bacteria isolated from disease suppressive soil. CJ. Perumalla, M.S. Reddy, F Harris, and Z.A. Patrick. Department of Botany, University of Toronto, Toronto, Ontario M5S 3B2
Association of Pythium spp. and other soilborne fungi with cavity spot lesions on fresh market carrots grown in muck soils. Zamir K. Punja. Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6.
Evidence for specificities in the synergistic interaction of root-colonizing fungi and glyphosate. J. E. Rahe, C.A. Lévesque, and H. Speier. Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6.
Glomus intraradices and Cochliobolus sativus interactions in wheat grown under two moisture regimes. C.B. Rempel and C.C. Bernier. Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T2N2.
Suppression of growth and sporulation of Trichoderma on synthetic shiitake logs by bacteria. J.A. Scott, CJ. Perumalla, and Z.A. Patrick. Department of Botany, University of Toronto, Toronto, Ontario M5S 3B2.
Tomato spotted wilt virus- and host-encoded proteins in infected plants. A. Singh and A. Nassuth. Department of Botany, University of Guelph, Guelph, Ontario N1G2W1.
Effect of turnip mosaic virus infection on the development, virus titer, glucosinolate levels, and storability of rutabaga roots. L.W. Stobbs, V. Shattuck, and B.J. Shelp. Research Station, Agriculture Canada, Vineland Station, Ontario LOR 2E0. and (V.S. and B.J.S.) Department of Horticultural Science, University of Guelph, Guelph, Ontario N1G2W1
Fusarium crown and root rot affects yield of fresh market tomato in the field. A.U. Tenuta, VJ. Higgins, and R.A. Brammall. Department of Botany, University of Toronto, Toronto, Ontario M5S 3B2, and (R.A.B.) Horticultural Research Institute of Ontario, Horticultural Experiment Station, P.O. Box 587, Simcoe, Ontario N3Y4N5.
Influence of canopy density on risk and incidence of sclerotinia stem rot of canola. T.K. Turkington and R.A.A. Morrall. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0 WO.
Wind desiccation damage in black spruce plantations. G.R. Warren. Forestry Canada, Newfoundland and Labrador Region, P.O. Box 6028, St. John's, Newfoundland A1C 5X8.
Development of Leptosphaeria maculans in relation to progress of blackleg of spring rapeseed. K. Xi, R.A.A. Morrall, and P.R. Verma. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0 W0, and (P.R.V.) Agriculture Canada, Saskatoon, Saskatchewan S7N 0X2.
Relation of parasitic fitness to virulence in Rhynchosporium secalis. G. Xue and R. Hall. Department of Environmental Biology, University of Guelph, Guelph, Ontario N1G2W1.
Biological control of leaf scorch in strawberry. J. Zheng and J.C. Sutton. Department of Environmental Biology, University of Guelph, Guelph, Ontario NIG 2W1.