Axenic culture of Endocronartium harknessii . Eric A. Allen and Y. Hiratsuka. Department of Plant Science, University of Alberta, Edmonton, Alberta T6E2G6, and Northern Forestry Center, Canadian Forestry Service, Edmonton, Alberta T6H 3S5. Evaluation of a Chenopodium album pathogen for potential use as a mycoherbicide. W.G. Allan, A.K. Watson and L.A. Wymore. Department of Plant Science, Macdonald College of McGill University, Ste-Anne-de- Bellevue, Quebec H9X 1C0. Attraction of Bradysia to soils with different levels of pH, nitrate and organic matter. Osama Anas and R.D. Reeleder. Department of Plant Science, Macdonald College of McGill University, Ste-Anne-de-Bellevue, Quebec H9X I CO. Pod necrosis: a new disease affecting soybean on droughty soils in southwestern Ontario. T.R. Anderson. Research Station, Agriculture Canada, Harrow, Ontario NOR I GO. Electrophoretic comparison of the protein composition of two closely related fungi: Fusarium oxysporum f.sp. radicis-lycopersici (FORL) and F. oxysporum f.sp. lycopersici (FOL). R. Belhadj, G. Thériault and P.M. Charest. Département de Phytologie, F.S.A.A., Université Laval, Ste-Foy, Québec G IK 7P4, and G. T. Tourbiéres Premier Ltée, B.P. 482, Rivière-du-Loup, Québec G5R3Z1, Ultrastructural localization of cellulosic glucans and galactose in two fungi causing wilt diseases and in their host tissues by means of gold-conjugates. N. Benhamou, H. Chamberland, G.B. Ouellette and F.J. Pauzé. Département dephytologie, Faculté des sciences de l'agriculture et de l'alimentation, Université Laval, Ste-Foy, Québec G1K 7P4. Genetics of Ophiostoma ulmi, the causal agent of Dutch elm disease. L. Bernier, R.S. Jeng and M. Hubbes. Faculty of Forestry, University of Toronto, Toronto, Ontario M5 S l Al. Correlation of temperature effects on resistance of soybeans to phytophthora rot with changes in phenylalanine ammonia-lyase (PAL), glyceollin production, and glyceollin I sensitivity. M.K. Bhattacharyya and E.W.B. Ward. Research Centre, Agriculture Canada, University Sub P. O., London, Ontario N6A 5B7. Inheritance of variation in asexual generations of Phytophthora megasperma f.sp. glycinea (PMG). M.K. Bhattacharyya and E.W.B. Ward. Research Centre, Agriculture Canada, University Sub P.O., London, Ontario N6A 5B7. New directions in forest products pathology. R.A. Blanchette. Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108, USA. Computers in forest disease research disease management and technology transfer. W.J. Bloomberg. Pacific Forestry Centre, Canadian Forestry Service, 506 W. Burnside Road, Victoria, British Columbia V8Z 1M5. Early stages in axenic development of Melampsora Uni (flax rust). R. Boasson and Michael Shaw. Department of Plant Science, University of British Columbia, Vancouver, British Columbia V6TIV3. Response of crabapple cultivars to fire blight. W. G. Bonn and D.C. Elfving. Research Station, Agriculture Canada, Harrow, Ontario NOR I GO, and Horticultural Research Institute of Ontario, Simcoe, Ontario N3Y4N5 The control of fusarium crown and root rot disease of tomato by root inoculation with alien pathogenic fungi. R.A. Brammall and V.J. Higgins. Horticultural Research Institute of Ontario, Horticultural Experiment Station, Box 587, Simcoe, Ont. N3Y4N5, and Department of Botany, University of Toronto, Toronto, Ontario M5S 1A1. Involvement of Pythium spp. in the pre-emergence phase of canola seedling blight. A.I. Caiman and J.P. Tewari Department of Plant Science, University of Alberta, Edmonton, Alberta T6G 2P5. Chemical control of phoma canker of parsnip. R.F Cerkauskas and B.D. McGarvey. Vineland Research Station, Agriculture Canada, Vineland Station, Ontario LOR 2E0. Detection of sugars in paramural vesicles induced in tomato root cells infected by Fusarium oxysporum f. sp. radicis lycopersici (FORL) as revealed by gold complexée enzymes and lectins. H. Chamberland, N. Benhamou, G.B. Ouellette and F. J. Pauzé. Département de phyiologie, Faculté des sciences de l'agriculture et de l'alimentation, Université Laval, Ste-Foy, Québec G1K7P4. VIR encoded host range specificity of Agrobacterium tumefaciens pTi B6S3 in the Brassica genus. P.J. Charest, V.N. Iyer, and B.L. Miki. Department of Biology, Carleton University, Ottawa, Ontario K1S5B6, and (B.L.M.) Plant Research Centre, CEF, Agriculture Canada, Ottawa, Ontario K1A 0C6. Role of post-harvest and spring applications of urea and Trichoderma reesei QM 9414 on the development of Venturia inaequalis. Marie Ciotola and Peterjurgen Neumann. Département de Sciences biologiques, Université de Montréal, C.P. 6128, Succursale "A", Montréal, Québec H3C3J7. Induced resistance by plant and bacterial extracts on TMV-challenged Nicotiana leaf tissue. F. Côté and A. Asselin. Département de phyiologie, FSAA, Université Laval, Ste-Foy, Québec G1K7P4. Incidence and etiology of stonefruit dieback in the Okanagan Valley of British Columbia. T.P. Cujec, R.J. Copeman, and P.L. Sholberg. Plant Science Department, University of British Columbia, Vancouver, British Columbia V6T2A2 and Research Station, Agriculture Canada, Summerland, British Columbia V0H IZ0. Control of Rhizoctonia solani, causal agent of brown girdling root rot of canola/rapeseed by Pseudomonas fluorescens . J.S. Dahiyaand D.L. Woods. Research Branch, Agriculture Canada, Box tt29, Beaverlodge, Alberta TO H 0C0. Phytoalexin accumulation in rapeseed leaves challenged with white rust (Albugo Candida). J.S. Dahiya and D.L Woods. Research Branch, Agriculture Canada, Box #29, Beaver lodge, Alberta TO H 0C0. Inhibition of Ophiostoma ulmi by an...