. California plant diseases. Plant diseases. 1130 UNIVERSITY OF CALIFORNIA—EXPERIMENT STATION. The trouble is not serious, save in its effect upon the appearance of the fruit. Cause unknown. LETTUCE. Damping Off (Botrytis vulgaris). Drop (Sclcrotinia libertiana). The plants wilt and die, collapsing upon the ground. The stem rots off just at the surface of the ground and one or the other of the above named fungi is usually found at this point. Other damping off fungi may cause the trouble in some instances. See Tomato. LOGANBERRY. See Fig. 59.—Scab of loquat (Fusicladium eriobotrya
. California plant diseases. Plant diseases. 1130 UNIVERSITY OF CALIFORNIA—EXPERIMENT STATION. The trouble is not serious, save in its effect upon the appearance of the fruit. Cause unknown. LETTUCE. Damping Off (Botrytis vulgaris). Drop (Sclcrotinia libertiana). The plants wilt and die, collapsing upon the ground. The stem rots off just at the surface of the ground and one or the other of the above named fungi is usually found at this point. Other damping off fungi may cause the trouble in some instances. See Tomato. LOGANBERRY. See Fig. 59.—Scab of loquat (Fusicladium eriobotryae). LOQUAT. Scab (Fusicladium eriobotryce). Figure 59. Similar to apple and pear scab, to which trees this is related. Affects both fruit and leaves. Blight (Bacillus amylovorus). The blossoms and twigs wither and die. This trouble is caused by the pear blight organism, to which the loquat is quite susceptible. Same treatment as for pear blight. MADRONE. Leaf Spot (Sphaerella arbuticola) Produces disfiguring dead spots on the 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
