. Diseases of field crops. Plant diseases. Diseases of Field Crops 25 Control measures for this disease lie in obtaining* clean seed. Plantings for seed production should be made in places well isolated from other bean fields and with seed from fields which are as free from mosaic as. Fig. 17.—Ehizoctonia stem rot of bean. (From Ext. Cir. 119.) possible. The seed field should then be carefully rogued by pulling out every plant which shows mosaic as soon as it can be detected. Powdery Mildew.—A gray mildew, Erysiphe polygoni, sometimes de-. Please note that these images are extracted from scann
. Diseases of field crops. Plant diseases. Diseases of Field Crops 25 Control measures for this disease lie in obtaining* clean seed. Plantings for seed production should be made in places well isolated from other bean fields and with seed from fields which are as free from mosaic as. Fig. 17.—Ehizoctonia stem rot of bean. (From Ext. Cir. 119.) possible. The seed field should then be carefully rogued by pulling out every plant which shows mosaic as soon as it can be detected. Powdery Mildew.—A gray mildew, Erysiphe polygoni, sometimes de-. 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
