. Diseases of field crops. Plant diseases. Diseases of Field Crops 23 sometimes develops on the pods of lima beans, as well as in the young shoots and blossoms, and deforms and stunts them. The fungus infec- tion is carried inside the seed. This disease was reported in California in early times but has not. 'WffJ'" 1 f Fig. 15.—Bean mosaic. (From Ext. Cir. 119.) been observed for many years. This fact is of importance to those wish- ing to grow clean seed. Dry Root Rot.—Affected plants are dwarfed and yellow and many die. The fibrous roots rot off, the taproot turns a dark-red color and g
. Diseases of field crops. Plant diseases. Diseases of Field Crops 23 sometimes develops on the pods of lima beans, as well as in the young shoots and blossoms, and deforms and stunts them. The fungus infec- tion is carried inside the seed. This disease was reported in California in early times but has not. 'WffJ'" 1 f Fig. 15.—Bean mosaic. (From Ext. Cir. 119.) been observed for many years. This fact is of importance to those wish- ing to grow clean seed. Dry Root Rot.—Affected plants are dwarfed and yellow and many die. The fibrous roots rot off, the taproot turns a dark-red color and grad- ually dries up. New lateral roots sometimes grow out above the dead part. This fungus disease, caused by Fusarium solani var. martii f. 3, is worst on poorly drained soils. Good soil preparation, proper irrigation and cultivation, and crop rotation are the only control measures which can be used against diseases. 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, University of California
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Keywords: ., bookcentury1900, bookcollectionamerica, booksubjectplantdiseases
