. California plant diseases. Plant diseases. Bulletin 21S] CALIFORNIA PLANT DISEASES. 1171 Leaf Spot (Scptoria lycopersici). Small dead spots appear on the leaves. Not common or serious. Found mostly in seed beds. Root Knot (Nematode). Galls or swellings appear all over the roots and the plants sicken and die. Infection takes place in the seed bed. Carefully discard affected plants in field planting and change the soil in infested beds. TURNIP. See Fig. 94.—Leaf spot of vetch (Colletotrichum sp.). VETCH. Leaf Spot. Figure 94. Small black spots appear on the leaves and the whole plant
. California plant diseases. Plant diseases. Bulletin 21S] CALIFORNIA PLANT DISEASES. 1171 Leaf Spot (Scptoria lycopersici). Small dead spots appear on the leaves. Not common or serious. Found mostly in seed beds. Root Knot (Nematode). Galls or swellings appear all over the roots and the plants sicken and die. Infection takes place in the seed bed. Carefully discard affected plants in field planting and change the soil in infested beds. TURNIP. See Fig. 94.—Leaf spot of vetch (Colletotrichum sp.). VETCH. Leaf Spot. Figure 94. Small black spots appear on the leaves and the whole plant is more or less killed. Does some damage on vetch planted for a cover crop; usually associated with the cottony mold fungus, Sclerotinia. Caused by a fungus, probably a species of 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
