Asparagus diseases mainly include stem blight, brown spot, blight, root rot, and sclerotinia. Among them, stem blight is the most dangerous and can be controlled by thiophanate-methyl and dexamethasone. Insect pests include floorworms, tawny moths (larvae), aphids, etc. The control method is to spread 2.5% trichlorfon powder plus 5 times fine earth soil or 30 times liquid mixture of 90% trichlorfon in the field. Sprinkle baits on wheat bran or bean cake in the field.
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