00000nam 2200000za 4500 9.811544 CaOODSP 20250303104652 cr ||||||||||| 160219s1914 onca||||o f000 0 eng d CaOODSP eng n-cn--- A54-15/4-1914E-PDF Güssow, H. T. (Hans Theodor), 1879-1961. Potato diseases transmitted by the use of unsound seed potatoes [electronic resource] / by H.T. Güssow ; with 12 coloured figures drawn by A.E. Kellett. Ottawa : Department of Agriculture Experimental Farms : Division of Botany, 1914. [4] p. : col. ill. Farmers' circular / Division of Botany ; no. 4 "April 1914". Issued also in French under title: Maladies de la pomme de terre qui se propagent par l'emploi de tubercules de semence affectes. Historical publication digitized by Agriculture and Agri-Food Canada. gccst Potatoes gccst Plant diseases Kellett, A. E. Canada. Department of Agriculture. Maladies de la pomme de terre qui se propagent par l'emploi de tubercules de semence affectes (CaOODSP)9.811615 Farmers' circular (Canada. Division of Botany) ; (CaOODSP)9.811534 PDF 3.45 MB https://publications.gc.ca/collections/collection_2016/aac-aafc/agrhist/A54-15-4-1914-eng.pdf