сосудистый бактериоз

black rot (Cabbage disease. Caused by a bacterium, Xanthomonas campestris pathovar campestris. Above-ground parts of the plant are primarily affected. The symptoms may vary depending on the type of plant, age of the plant and the environmental conditions. In general, yellow, V-shaped lesions appear along the tips of the leaves with the point of the V directed toward a vein.