00000nam 2200000za 4500 9.823162 CaOODSP 20250303104652 cr ||||||||||| 160824s1934 oncao||#o f000 0 eng d CaOODSP eng n-cn-sn n-cn--- A12-2/170-1934E-PDF Russell, R. C. Studies of Take-all and its causal organism, Ophiobolus graminis Sacc. [electronic resource] / by R.C. Russell. At head of title: Studies in cereal diseases X Ottawa : Division of Botany, Dominion Experimental Farms : Dominion of Canada Department of Agriculture, 1934. 64 p. : ill. Bulletin, New series ; no. 170 Title from cover. Originally presented as the author's thesis (doctoral-- University of Toronto). Historical publication digitized from Agriculture and Agri-Food Canada collection. Includes bibliographical references. Partial contents: The disease -- The causal organism -- Histology of infection -- Greenhouse and field experiments -- Control measures -- Discussion -- Summary. "Take-all is a disease of various members of the grass family. It is caused primarily by a parasitic fungus, Ophiobolus graminis Sacc, but it develops only under appropriate environmental conditions. The disease was first recognized in Saskatchewan in 1923. Since it causes considerable damage to wheat in Western Canada, it has been made the subject of much investigation up to the present time."--Introd., p. 5. gccst Wheat gccst Plant diseases Canada. Department of Agriculture. Canada. Division of Botany. Bulletin (Canada. Department of Agriculture) no. 170 (CaOODSP)9.812039 PDF 5.88 MB https://publications.gc.ca/collections/collection_2016/aac-aafc/agrhist/A12-2-170-1934-eng.pdf