. Diseases of economic plants. Plant diseases. Vegetable and Field Crops 227 the tubers begin to form. The coalescence of the spots involves large areas of leaf tissue and results in browned, withered leaves, the stems remaining green. The illusion. 125. ââ Potato attacked by Corticium. After Rolfs. is often so complete as to lead the grower to think that the vines have died a natural death. The progress of the disease is slow, three or four weeks intervening before all the leaves are dead. The loss of efficient leaf tissue so diminishes the vigor of the plant that the yield is largely reduced
. Diseases of economic plants. Plant diseases. Vegetable and Field Crops 227 the tubers begin to form. The coalescence of the spots involves large areas of leaf tissue and results in browned, withered leaves, the stems remaining green. The illusion. 125. ââ Potato attacked by Corticium. After Rolfs. is often so complete as to lead the grower to think that the vines have died a natural death. The progress of the disease is slow, three or four weeks intervening before all the leaves are dead. The loss of efficient leaf tissue so diminishes the vigor of the plant that the yield is largely reduced. Early-. 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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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1920, bookyear1921
