00000nam 2200000za 4500 9.699305 CaOODSP 20221107134528 cr ||||||||||| 150407s1974||||xxca||||o f000 0 eng d CaOODSP eng n-cn--- A53-1530/1974E-PDF Lawrence, C. H. Common and powdery scab of potato [electronic resource] / C.H. Lawrence. Ottawa : Agriculture Canada, 1974. 7, [1] p. : ill. "This publication replaces Publication 953, Common Scab of Potato"--p. [2]. Historical publication digitized by Agriculture and Agri-Food Canada. 14-11-Supp 2014-05-21 Plant diseases gcpds Potatoes gcpds Canada. Agriculture Canada. Research Branch. Gale commune et gale poudreuse de la pomme de terre (CaOODSP)9.643049 http://publications.gc.ca PDF 755 KB https://publications.gc.ca/collections/collection_2014/aac-aafc/agrhist/A53-1530-1974-eng.pdf 1530