Volume 54Table of Contents Volume 54 (1), 1974 F.R. HARPER and L.J. PIENING Barley diseases in south and central Alberta in 1971: distribution, severity, and yield losses Pages 1-5 G.J. GREEN Air-borne rust inoculum over western Canada in 1973 Pages 6-7D. J. SAMBORSKI Leaf rust of wheat in Canada in 1973 Pages 8-10G.J. GREEN Stem rust of wheat, barley, and rye in Canada in 1973 Pages 11-15D.E. HARDER and R.I.H. McKENZIE Crown rust of oats in Canada in 1973 Pages 16-18J.W. MARTENS Stem rust of oats in Canada in 1973 Pages 19-20ARTHUR W. CHIKO Barley stripe mosaic in Manitoba in 1973 Page 21L.C. CALLBECK Screening of potato fungicides in 1973 Pages 22-23P.K. BASU Reduction of primary infection of tomato early blight by fall fumigation of soil with Vorlex Pages 24-25CORRECTIONS J.L. Townshend, C.B. Willis, J.W. Potter, and J. Santerre Occurrence and population densities of nematodesassociated with forage crops in eastern Canada. Vol . 53:131-136. 1973. Pages 26PUBLICATION NOTICE: Fungi Canadenses Pages 26 Volume 54 (2), 1974C.O. GOURLEY A comparison of benomyl, thiophanate-methyl, and captan for control of strawberry fruit rot Pages 27-30G. ALLAN PETRIE Alternaria brassicicola on imported garden crucifer seed, a potential threat to rapeseed production in western Canada Pages 31-34R . BERKENKAMP and K. DEGENHARDT Diseases of rapeseed in central and northern Alberta in 1972 Pages 35-36G. ALLAN PETRIE and T.C. VANTERPOOL Fungi associated with hypertrophies caused by infection of Cruciferae by Albugo cruciferarum Pages 37-42W.G. KEMP, J. WIEBE, and P.A. TROUP Occurrence of squash mosaic virus in muskmelon seeds available in Ontario in 1973 Pages 43-44P.K. BASU Measuring early blight, its progress and influence on, fruit losses in nine tomato cultivars Pages 45-51C.L. LOCKHART and R.W. DELBRIDGE Control of storage diseases of carrots with postharvest fungicide treatments Pages 52-54R.C. ZIMMER Chlorotic leafspot and stipple spot, newly describeddiseases of buckwheat in Manitoba Pages 55-56J .W. SIIEPPARD and M.A. VISWANATHAN Survey for verticillium wilt of tobacco in Quebec, 1972 Pages 57-60V.R. WALLEN and D. GALWAY Monitoring field beans in Ontario for bacterial blight and root rot by aerial photography – 1972 Pages 61-63 Volume 54 (3), 1974J . T . MILLS and A. TEKAUZ Stresses affecting barley growth in Canada Pages 65-70H. WINSTON JOHNSTON Overwintering of Erysiphe graminis f.sp. tritici Maritime grown winter wheat Pages 71-73G. W. AYERS Potato seed treatment for the control of verticillium wilt and fusarium seed piece decay Pages 74-76RAY F. MORRIS and K.G. PROUDFOOT Chemical control of the golden nematode, Heterodera rostochiensis : greenhouse observations on performance of granular insecticides nematicides and the effect of cyst placement on inoculation Pages 77-80L.W. CARLSON Fungicidal control of poplar leaf spots Pages 81-85V.R. WALLEN Influence of three ascochyta diseases of peas on plant development and yield Pages 86-90A.W. HENRY Bacterial pod spot of rape in Alberta Pages 91-94L.F. GATES and JOAN F. BRONSKILL Viruses of clovers and alfalfa in Essex County, Ontario, 1970-73 Pages 95-100C.L. LOCKHART and F.R. FORSYTH Alternaria alternata storage decay of pears Pages 101-102G.B. ORLOB, A. BURNETT, E KIDD, and R.F. CERKAUSKAS Some plant disiease in home gardens in the Toronto area, 1973 Page 103 Volume 54 (4), 1974C.F. MARKS, J.M. ELLIOT, J.R. RAINFORTH, M.C. WATSON, and B. BACK Aerial photography – an aid in surveying for damage by root-lesion nematode in flue-cured tobacco Pages 105-107J. DREW SMITH and R.P. KNOWLES Alternaria flower-stalk rot in Bromus inermis Pages 108-110B. BERKENKAMP Losses from foliage diseases of forage crops in central and northern Alberta, 1973 Pages 111-115R.E. WALL Recent conifer disease problems in forest nurseries in the Maritime provinces Pages 116-118G. ALLAN PETRIE and T.C. VANTERPOOL Infestation of crucifer seed in western Canada by the blackleg fungus Leptosphaeria maculans Pages 119-123P.L. THOMAS Earley smuts in Manitoba and eastern Saskatchewan, 1972-74 Pages 124-128W.A.F. HAGBORG Notes on bacterial diseases of cereals and some other crop plants Pages 129-151A.T. BOLTON Preliminary studies to determine effect of southern leaf blight on yield of corn in eastern Ontario Pages 152-154G. ALLAN PETRIE Fungi associated with seeds of rape, turnip rape, flax, andsafflower in western Canada, 1968-73 Pages 155-165A. FUNK Microfungi associated with dieback of native Cupressaceae in British Columbia Pages 166-168AUTHOR INDEX TO VOLUME 54 Pages 169-170