Volume 69Table of Contents Volume 69 (1), 1989 Bacteria associated with crown and root rot of sainfoin in southern Alberta S.F. Hwang, R.J Howard and L. Goatcher Pages 5-8Crown and root rot of alfalfa in southern Alberta S.F. Hwang, R.J Howard and E. Moskaluk Pages 9-12A cereal-infecting virus from orchardgrass JF.Peterson Pages 13-16Incidence and severity of snow molds on winter cereals in Saskatchewan, 1985-1988 B.D. Gossen and W W. Reiter Pages 17-20Screening of alfalfa cultivars for yield, winter hardiness and resistance to crown and root rot, common leaf spot and yellow leaf blotch in northeastern Alberta S.F.Nwang and G. Flores Pages 21-23DISEASE HIGHLIGHTS 1988 APERCU DES MALADIESCereals / Céréales Pages 29-47Forage legumes / Légumineuses fourraghères Pages 48-52Oilseeds and special crops / Oléagineux et cultures spéciales Pages 53-70Vegetables / Légumes Pages 71-78Tree fruits and nuts / Arbres fruitiers et noix Pages 79-80Small fruits / Petits fruits Pages 81-83Ornamentals / Plantes ornementales Pages 84-94Turf / Gazon Pages 95-96Forest trees / Arbres forestiers Pages 97-100 Volume 69 (2), 1989Beech bark mycoflora and its distribution in relation to the presence of the scale insect, Cryptococcus fagisuga Lind. Myriam R. Fernandez and Michael G. Boyer Pages 101-104Infection of species of the Gramineae by Erysiphe graminis f. sp. hordei and Erysiphe graminis f. sp. tritici J.G. Menzies and B.H. MacNeill Pages 105-108Incidence of Septoria canker of hybrid poplars in eastern Ontario Silvia Strobl and Karen Fraser Pages 109-112Source of resistance to clubroot (Plasmodiophora brassicae Wor.) in triazine-resistant spring canola (rapeseed) B. Vigier, M.S. Chiang and D.J. Hume Pages 113-116Susceptibility of primocanes of six red raspberry cultivars to late yellow rust [ Puccini- astrum americanum (Farl.) Arth. ] Margie Luffman and Deborah Buszard Pages 117-120Incidence and severity of Melampsora leaf rust of poplar grown under controlled conditions K.F. Chang, S.F. Hwang and M.E. Neuwirth Pages 121-124First report of eyespot [ Pseudocercosporella herpotrichoides] in spring barley in Alberta Stephen W. Slopek Pages 125-128Effect of repeated cultivation during summer fallow on Cylindrocladium floridanurn in two Ontario forest nurseries F. Testa and H.J. Juzwik Pages 129-134Cereal Diseases in Prince Edward Island, 1987 J. Mercier and R.A. Martin Pages 135-138Incidence and severity of root rot disease complex of field pea in northeastern Alberta in 1988 S.F.Hwang and K.F. Chang Pages 139-142Fungi detected on Acroptilon repens (Russian knapweed) during surveys from 1981 to 1988 K. Mortensen and M.M. Molloy Pages 143-146Author Index to Volume 69 Pages 147-149