. California plant diseases. Plant diseases. 1182 UNIVERSITY OF CALIFORNIA EXPERIMENT STATION. moist and favorable to the rust. Some varieties are considerably re- sistant. Yellow s—Wi n teri ng . Wheat, as well as other grains, sometimes shows in the spring a yellow- ing and discoloration of the leaves with no apparent specific Fig. 102.—Closed and loose smut of wheat (Tilletia foetans and Ustilago tritici). Sometimes the whole field shows this condition so decidedly as to have the appearance of being badly injured. The trouble appears to be due to climatic conditions, producing a dis
. California plant diseases. Plant diseases. 1182 UNIVERSITY OF CALIFORNIA EXPERIMENT STATION. moist and favorable to the rust. Some varieties are considerably re- sistant. Yellow s—Wi n teri ng . Wheat, as well as other grains, sometimes shows in the spring a yellow- ing and discoloration of the leaves with no apparent specific Fig. 102.—Closed and loose smut of wheat (Tilletia foetans and Ustilago tritici). Sometimes the whole field shows this condition so decidedly as to have the appearance of being badly injured. The trouble appears to be due to climatic conditions, producing a disturbance in the growth of the plant. The yellowing usually disappears in the spring and, if condi- tions are favorable, the plants regain their normal 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; Smith, Elizabeth H. (Elizabeth Hight), 1877-1933. Berkeley, Cal. : Agricultural Experiment Station
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplantdi, bookyear1911
