Volume 71

Table of Contents
Volume 71, 1991 no. 1 (1-136) no. 2 (137-176)

Incidence and severity of verticillium wilt of alfalfa in Prince Edward Island (1988-89) and New Brunswick (1988) R.A. Martin, P. Boswall and K. Lynch
Pages 5-8

Response of cultivars and breeding lines to the disease complex of fusarium wilt and root rot of green peas in SW Ontario
J.C. Tu
Pages 9-12

Root lesion and root-knot nematodes associated with crops grown in rotation with carrots on Prince Edward Island
J. Diamond, J. Kimpinski and C.E. Gallant
Pages 13-16

Occurrence of lettuce rust in Onoway, Alberta in 1989
K.F. Chang, M. Mirza and S.F. Hwang
Pages 17-20

Occurrence of verticillium wilt of alfalfa in southern Alberta, 1980-86
R.J. Howard, H.C. Huang, J.A. Traquair, E.R. Moskaluk, M.J. Kokko and L.M. Phillippe
Pages 21-28

Effects of soil pH and nutrients on growth of apple seedling grown in apple replant disease soils of British Columbia
T.S.C. Li and R.S. Utkhede
Pages 29-32

Populations of propagules of Mucor spp. during immersion dumping of Anjou pears
P.L. Sholberg and G.R. Owen
Pages 33-36

Role of the insect Nysius niger, and flixweed, Desurainia sophia, in infection of Saskatchewan mustard crops with a yeast, Nematospora sinecauda
L. Burgess and D.L. McKenzie
Pages 37-42

Powdery mildew of babaco at Agassiz, B.C.
J.G. Menzies and C. Kempler
Pages 43-46

DISEASE HIGHLIGHTS 1990 APERCU DES MALADIES

Diagnostic laboratories / Laboratoires diagnostiques
Pages 51-60

Cereals /Céréales
Pages 61-82

Forage legumes / Légumineuses fourraghères
Pages 83-91

Oilseeds and special crops / Oléagineux et cultures spéciales
Pages 92-111

Vegetables / Légumes
Pages 112-116

Tree fruits and nuts / Arbres fruitiers et noix
Pages 117-120

Small fruits / Petits fruits
Pages 121-125

Turfgrass/ Gazon
Pages 126-128

Forest trees / Arbres forestiers
Pages 129-136

Obiturary / Notice Necrologique
Page 137