How to identify fusarium wilt in yardlong beans? A detailed explanation of symptom characteristics
Symptoms When a plant is affected, it first starts from the lower leaves. Irregular water-soaked lesions appear on the leaf edges, especially at the leaf tips, after which the leaves turn yellow and die, and the disease gradually spreads to the upper leaves, until finally the whole plant wilts and dies. The cortex at the root-stem junction of diseased plants often splits, and its vascular bundle tissue turns brown; when humidity is high, a pink mold layer appears on the surface of the diseased part...

Symptoms When a plant is affected, it first starts from the lower leaves. Irregular water-soaked lesions appear on the leaf edges, especially at the leaf tips, after which the leaves turn yellow and die, and the disease gradually spreads to the upper leaves, until finally the whole plant wilts and dies. The cortex at the root-stem junction of diseased plants often splits, and its vascular bundle tissue turns brown; when humidity is high, a pink mold layer appears on the surface of the diseased part.