. Diseases of field crops in the Prairie Provinces. Plants; Cultures de plein champ; Cultures de plein champ; Plantes. WHEAT. Figure 5.—Stem rust of wheat; the red or summer stage of the 21. 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 Canada. Agriculture, Department of; Canada. Dept. of Agriculture. Ottawa [Queen's Printer]

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Keywords: ., bookcentury1900, bookpublisherottawaqueenspri, booksubjectplants