00000nam##2200000za#4500 9.700466 CaOODSP 20250506145324 cr ||||||||||| 150407|1979||||xxc|||||o f|0| 0 eng|d CaOODSP eng n-cn--- A53-1676/1979E-PDF Canada. Agriculture Canada. Aphids infesting potatoes in Canada : [electronic resource] a field guide / [by] M.E. MacGillivray. Reprinted 1987 Ottawa - Ontario : Agriculture Canada c1979. 24p. coloured illus. Contents: Protecting stored products.--Detecting problems.--Identifying the organisms.--Controlling infestations.--Further information.--Common and scientific names of major pests in stored grain.--References.--Additional reading.--Appendix. Historical publication digitized by Agriculture and Agri-Food Canada. 15-05-Supp 2015-03-31 Les pucerons nuisibles de la pomme de terre au Canada : (CaOODSP)9.644350 http://publications.gc.ca PDF 2360 KB https://publications.gc.ca/collections/collection_2015/aac-aafc/A53-1676-1979-eng.pdf Publication 1676