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
Redding of the stem nodes and leaves veins is a characteristic symptom of the red node disease. Reddening of the pods is a noticeable symptom.

Infected pods may show pattern of necrotic red patches all around it. The plants may be stunted and pods may become shriveled in appearance.
RED NODE
Viral causal agent: Tobacco streak virus - TSV (Genus: Ilarvirus)
Insect vector: Thrips (Various species)
Bean diseases