Volume 68Table of Contents Volume 68 (1), 1988 Change in the Rhizoctonia solani index on the stems and stolons of four potato cultivars during the growing season R.C. Zimrner Pages 5-6Development of Rhizoctonia solani on four fungicide-treated potato cultivars grown in virgin potato soil R.C. Zimmer Pages 7-10White mold of dry bean (Phaseolus vulgaris L,) in southern Alberta, 1983-87 H. C. Huang, M.J. Kokko and L. M. Phillippe Pages 11-14Survey for snow mold diseases of winter cereals in central and northern Alberta, 1983-87 D.A. Gaudet and M.K. Bhalla Pages 15-22Relationship between Phytophthora root rot severity index and the percentage of resistant alfalfa plants P.K. Basu Pages 23-26Black point incidence in soft white spring wheat in southern Alberta and Saskatchewan between 1982 and 1987 R. L. Conner and A. D. Kuzyk Pages 27-32DISEASE HIGHLIGHTS 1987 APERCU DES MALADIESCereals Pages 35-59Forage legumes Pages 60-73Forest trees Pages 74-82Ornamentals Pages 82-90Small fruits Pages 91-102Special crops Pages 103-128Tree fruits Pages 129-132Turf Pages 133-135Vegetables Pages 136 Volume 68 (2), 1988Erratum Page 141Incidence of rhizoctonia and fusarium root rot of soybean in southwestern Ontario, 1986 TR. Anderson, H. Olechowskiand T Welacky Pages 143-146Nematodes in potato soils in New Brunswick J. Kimpinski and EM. Smith Pages 147-148Determining the occurrence of replant disease in British Columbia orchard and vineyard soils by pasteurization R.S. Utkhede and Thomas S.C. Li Pages 149-152Overwintering of stripe rust in southern Alberta R.L. Conner, J.8. Thomas and A.D. Kuzyk Pages 153-156Beech bark disease -A survey of the Toronto area M.R. Fernandez and M.G. Boyer Pages 157-160An evaluation of winter wheat for resistance to the snow mold fungi Microdochiurn nivale (Fr.) Samu, & Hall and Typhda ishikariensis lmai L.D. Litschko, L.L. Burpee, L.G. Goulty, L.A. Hunt and McKersie Pages 161-168Disease survey of commercial orchard in southern Ontario A. T: Meresz, P. Fisher and C. Thorpe Pages 169-172Author Index to Volume 68 Pages 173-177