Volume 70Table of Contents Volume 70 (1), 1990 Possibilites de lutte biologique contre les maladies du feuillage et des tiges de la luzerne Y. Douville, C. Richard et S. Pouleur Pages 5-10Populations of propagules of Penicillium spp. during immersion dumping of apples P.L. Sholberg and G.R. Owen Pages 11-14The occurrence of powdery mildew on rutabagas in southern Ontario V.I. Shattuck and R. Parry Pages 15-16First report of Sclerotinia sclerotiorum on Lathyrus sativus R.C. Zimmer and Clayton Campbell Pages 17-18A disease assessment key for Alternaria blackspot in rapeseed and mustard K.L. Conn, J.P. Tewari and R.P. Awasthi Pages 19-22Distribution of virus vector nematodes associated with peach and other fruit crops in Essex County, Ontario L. Van Driel, J.W. Potter and B.A. Ebsary Pages 23-26DISEASE HIGHLIGHTS 1989 APERCU DES MALADIESDiagnostic laboratories / Laboratoires diagnostiques Pages 31-35Cereals /Céréales Pages 36-57Forage legumes / Légumineuses fourraghères Pages 58-61Oilseeds and special crops / Oléagineux et cultures spéciales Pages 62-86Vegetables / Légumes Pages 87-88Tree fruits and nuts / Arbres fruitiers et noix Pages 89-95Small fruits / Petits fruits Pages 96-101Ornamentals / Plantes ornementales Pages 102-103Turf / Gazon Pages 104-105Forest trees / Arbres forestiers Pages 106-110 Volume 70 (2), 1990Erratum Page 111Occurrence of blueberry leaf mottle, blueberry shoestring, tomato ringspot and tobacco ringspot viruses in eleven halfhigh blueberry clones grown in New Brunswick, Canada A.S. Jaswal Pages 113-118First report of eyespot [ Pseudocercosporella herpotrichoides ] in wheat in the Prairie Provinces S.W. Slopek, B. Fletcher and T.J. Labun Pages 119-122Ascochyta blight in lentil crops and seed samples in Saskatchewan in 1988 S. Bedi and R.A.A. Morrall Pages 123-126Occurrence of Peronospora farompsa f. sp. chenopodii on quinoa in Canada J.P. Tewari and S.M. Boyetcho Pages 127-128Verticillium wilt of irrigated alfalfa in Saskatchewan, 1987-89 B.D. Gossen and G.D. Jesperson Pages 129-132Diseases of Rubus parviflorus in British Columbia R.E. Wall and S.F. Shamoun Pages 133-136Author Index to Volume 70 Pages 137-140
