. Diseases of economic plants. Plant diseases. 232 Diseases of Economic Plants browned or blackened from near the surface of the soil down- ward. In extreme cases the discoloration was visible 2-3 cm. above the soil. The tissues of the discolored part died, and. the softer parts decayed. Usually the seed tuber also was rotted. Loss as high as 20 per cent is reported in Maine, 75 per cent in certain fields in Michigan; but such large loss is unusual. The disease is carried over to succ(HM:ling crops in the seed,. Please note that these images are extracted from scanned page images that may have
. Diseases of economic plants. Plant diseases. 232 Diseases of Economic Plants browned or blackened from near the surface of the soil down- ward. In extreme cases the discoloration was visible 2-3 cm. above the soil. The tissues of the discolored part died, and. the softer parts decayed. Usually the seed tuber also was rotted. Loss as high as 20 per cent is reported in Maine, 75 per cent in certain fields in Michigan; but such large loss is unusual. The disease is carried over to succ(HM:ling crops in the seed,. 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 Stevens, Frank Lincoln, 1871-1934; Hall, John Galentine, 1870-. New York, Macmillan
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Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1920, bookyear1921
