Volume 47Table of Contents Volume 47 (1), 1967 G . J . GREEN Air-borne rust inoculum over Western Canada in 1966 Pages 1-2 D . J . SAMBORSKI Leaf rust of wheat in Canada in 1966 Pages 3-4G . J . GREEN Stem rust of wheat. barley and rye in Canada in 1966 Pages 5-8J . W . MARTENS Stem rust of oats in Canada in 1966 Pages 9-10GEORGE FLEISCHMANN Crown rust of oats in Canada in 1966 Pages 11-13J . L . TOWNSHEND and Th . H . A . OLTHOF The sugar beet nematode. Heterodera schachtii Schmidt. and other plant- parasitic nematodes on rhubarb in Ontario Pages 14-16C . L . LOCKHART and D . L . CRAIG Fusicoccum canker of the highbush blueberry in Nova Scotia Pages 17-20B . N . DHANVANTARI Incidence of leaf scorch of strawberry in and near the Niagara Peninsula from 1961 to 1965 Pages 21-22ROBERT SEWELL Some records of plant- parasitic nematodes encountered in Canada in 1966 Pages 23-24CLAUDE AUBE Prevalence of diseases of forage crops in Quebec Pages 25-27L . V . EDGINGTON and L . V . BUSCH Control of rhizoctonia stem canker in potato Pages 28-29 Volume 47 (2), 1967D.B. O. SAVILE Book review Page 31D. W. CREELMAN Summary of the prevalence of plant diseases in Canada in 1965. A compilationNew and noteworthy diseases Pages 31-32Diseases of cereal crops Pages 33-37Diseases of forage and field crops Pages 37-43Diseases of vegetable crops Pages 44-53Diseases of fruit crops Pages 53-60Diseases of trees and shrubs Pages 60-64Diseases of herbaceous ornamentals Pages 64-66Host index Pages 67-68Appendix “A”. Index of contributors Pages 69-71 Volume 47 (3), 1967C. L. LOCKHART Effect of fungicides on germination of lowbush blueberry pollen and on number of seeds per berry Pages 72-73T. B. LOTT Xylem aberration, a transmissible disease of stone fruits Pages 74-75L. V. BUSCH Distribution in Ontario of Verticillium strains causing wilt of potatoes Pages 76-78W. L. SEAMAN Ascochyta diseases of peas in Prince Edward Island in 1966 Pages 79-80E. J. HAWN A method for detection and study of the sugar-beet nematode in soil Pages 81-82J. L. TOWNSHEND. Plant-parasitic nematodes in grape and raspberry soils of Ontario and a comparison of extraction techniques Pages 83-86C. B. WILLIS and L. S. THOMPSON, Root-lesion nematodes associated with forage legumes in the Maritime Provinces Pages 87-88 Volume 47 (4), 1967W. G. KEMP The reliability of seroassay for the detection of carnation mottle virus in crude sap Pages 89-93R. E. C. LAYNE and C. D. McKEEN Southern bacterial wilt of field tomatoes in southwestern Ontario Pages 94-98L. C. CALLBECK Screening of potato fungicides in 1967 Pages 99-100GILL, C. C. and P. H. WESTDA Virus diseases of cereals and populations of vectors in the Canadian Prairies in 1967 Pages 101-103JACK A. FREEMAN and H. S. PEPIN A systemic fungicide (Fungicide 1991) for the control of gray mold and powdery mildew in strawberries and raspberries Pages 104-107L. PIENING, D. DEW, and R. EDWARDS Some observations on the incidence of root rot in barley grown under various cultural practices Pages 108-109TH. H.A. OLTHOF, J.L. TOWNSHEND, J.W. POTTER, and H.D. FRANCIS Plant- parasitic nematode genera associated with crops in Ontario in 1967 Pages 110-111J. DREW SMITH Bromegrass leaf spots in Saskatchewan, Alberta, and the Peace River region of British Columbia in 1967 Pages 112-115V. R. WALLEN and M. D. SUTTON Observations on sclerotinia rot of field beans in south- western Ontario and its effect on yield Page 116ANDRES A. REYES and CHARLES A. WARNER The occurrence of fusarium yellows of cabbage in Ontario in 1967 Pages 116-117AUTHOR INDEX TO VOLUME 47 Pages 118-119