Reaction of the plant or plant part to Phoma exigua infection.
Source:
SoyTO:005
Comment
This organism has also been referred to as Ascohyta phaseolorum. Symptoms include isolated leaf spots with dark margins and brown streaks on stems. Pod infection appears as small brown spots to browning of undeveloped pods. Broad host range of beans. Partial resistance found in Phaseolus vulgaris and P. coccinius.