Separating symptoms caused by mosaic diseases from those caused by abnormal pH, herbicide injury, nutritional deficiencies, feeding
damage by mites or insects, and so forth may be difficult.
In fact, tests
by Norman Arancon of the University of Hawaii suggest that application of vermicompost showed significant and repeatable suppression of pythium, verticillium wilt, rhizoctonia solani, powdery mildew, plant parasitic nematodes, cabbage white caterpillars, cucumber beetles, tomato hornworms, mealy bugs, aphids and two - spotted spider
mites»
damage to a broad range of edible crops.