. Diseases of truck crops / Ralph E. Smith. Plant diseases; Plant parasites; Vegetables; Agricultural pests. 20 California Agricultural Extension Service [Cir. ii9 dry-rot canker of mature beets. This usually starts at cracks or around the bases of secondary roots toward the lower part of the beet, where the brown, dead, woody tissue is marked with fine, concentric, circular, sur-. â i J ^^^^^^4> ^^B^^^^^^^^ ^m^^^M 9p^ ^.^^^^m^-.^ 1 '#''^ ,^^%" 1 Fig. 8.âDry rot canker of sugar beet. face markings (fig. 8). Beets which have been injured or weakened in some way are more likely to be aff
. Diseases of truck crops / Ralph E. Smith. Plant diseases; Plant parasites; Vegetables; Agricultural pests. 20 California Agricultural Extension Service [Cir. ii9 dry-rot canker of mature beets. This usually starts at cracks or around the bases of secondary roots toward the lower part of the beet, where the brown, dead, woody tissue is marked with fine, concentric, circular, sur-. â i J ^^^^^^4> ^^B^^^^^^^^ ^m^^^M 9p^ ^.^^^^m^-.^ 1 '#''^ ,^^%" 1 Fig. 8.âDry rot canker of sugar beet. face markings (fig. 8). Beets which have been injured or weakened in some way are more likely to be affected by this disease. The same fungus attacks many other hosts. This disease is in part the same as that described under "Damping-off" (p. 17). Unless seed treatment is effective in preventing serious injury,. 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
