. Diseases of truck crops / Ralph E. Smith. Plant diseases; Plant parasites; Vegetables; Agricultural pests. Diseases of Truck Crops 77 This may develop and increase in storage. Young plants also show this disease as a black discoloration at the lower end of the stem. All sweet potatoes which show any symptoms of black rot should be. 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 Smith, Ralph E. (Ralph Eliot), 1874-1953. B

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. Diseases of truck crops / Ralph E. Smith. Plant diseases; Plant parasites; Vegetables; Agricultural pests. Diseases of Truck Crops 77 This may develop and increase in storage. Young plants also show this disease as a black discoloration at the lower end of the stem. All sweet potatoes which show any symptoms of black rot should be. 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 Smith, Ralph E. (Ralph Eliot), 1874-1953. Berkeley, Calif. : College of Agriculture, Univ. of Calif.

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Keywords: ., bookcentury1900, booksubjectagriculturalpests, booksubjectplantd