. Diseases of truck crops / Ralph E. Smith. Plant diseases; Plant parasites; Vegetables; Agricultural pests. 82 California Agricultural Extension Service [Cm. 119 actly 5 minutes. It should then be washed in running water for 15 min- utes and dried. Old tomato soil should not be used for plant beds. If plants are purchased, care should be taken to make sure that they are from beds free of bacterial canker. Bacterial Speck.—In bacterial speck, very small, dark-brown or black spots develop on the leaves and fruit. When close together on the leaves, the spots coalesce into large, irregular blotch
. Diseases of truck crops / Ralph E. Smith. Plant diseases; Plant parasites; Vegetables; Agricultural pests. 82 California Agricultural Extension Service [Cm. 119 actly 5 minutes. It should then be washed in running water for 15 min- utes and dried. Old tomato soil should not be used for plant beds. If plants are purchased, care should be taken to make sure that they are from beds free of bacterial canker. Bacterial Speck.—In bacterial speck, very small, dark-brown or black spots develop on the leaves and fruit. When close together on the leaves, the spots coalesce into large, irregular blotches and the sur- rounding tissues become yellow. Young plants in plant beds sometimes. 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
