Alternaria pod decay, Alternaria pod spot, Alternaria seed decay, Alternaria leaf spot, pod spot
Alternate IDs
None
Definition
Reaction of the plant or plant part to Alternaria alternata infection.
Source:
SoyTO:004
Comment
Symptoms include brown necrotic leaf spots with concentric rings. Mature spots converge producing large necrotic centers. Cause dark irregular sunken or darkend areas on the seed coats of infected seeds. Infection is associated with mechanical or insect damage. Organism has a wide host range including many bean varieties.