. The protection of plants [microform]. Plantes; Plant diseases; Insecticides; Agricultural pests; Ennemis des cultures, Lutte contre les; Insecticides. Kound-headed apple tree Borer Oyntcribell Hcsle. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Maheux, Georges, b. 1889; Quebec (Province). Dept. of Agriculture. [Québec] : Dept. of Agriculture


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsecticides, bookyea