. Diseases of wheat, oats, barley, and rye. Grain. BOEWE: DISEASES OF WHEAT, OATS, BARLEY, AND RYE 15 a continuous 11-year period, 1946-1956, range from per cent in 1953 to 17 per cent in 1946 and 1948 and average 11 per cent; these estimates indicate an average annual reduction in potential yield of over 4,743,000 bushels. Leaf rust is present in Illinois every year, but variations in weather cause noticeable year-to-year differences in the extent to which rust develops. In most years nearly every stalk of wheat in the state bears leaves with rust pustules. The year-to-year. Fig. 2.—Per c


. Diseases of wheat, oats, barley, and rye. Grain. BOEWE: DISEASES OF WHEAT, OATS, BARLEY, AND RYE 15 a continuous 11-year period, 1946-1956, range from per cent in 1953 to 17 per cent in 1946 and 1948 and average 11 per cent; these estimates indicate an average annual reduction in potential yield of over 4,743,000 bushels. Leaf rust is present in Illinois every year, but variations in weather cause noticeable year-to-year differences in the extent to which rust develops. In most years nearly every stalk of wheat in the state bears leaves with rust pustules. The year-to-year. Fig. 2.—Per cenl of leaf area occupied by wheat leaf rust in Illinois fields, 1926-1959. The rust varies from year to year in the amount of func- tional leaf tissue it 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 Boewe, Gideon Herman, 1895-. [Urbana]


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Keywords: ., bookcentury1900, bookcolle, bookpublisherurbana, booksubjectgrain