Stunt : Bean (pea) leaf roll virus
General Information :
caused by Bean Leaf Roll Virus (BLRV).
Early sowing (September) and wider spacing favor stunt incidence.
The aphid vector (Aphis craccivora) activity also influences disease incidence.
Symptoms :
Affected plants can be easily spotted in the field by their yellow, orange, or brown discoloration and stunted growth .
Leaflets are small and yellow, orange, or brown.
In general, leaf discoloration is more pronounced in desi types.
The most characteristic symptom of stunt is phloem browning.
A transverse cut reveals a brown ring or a split through the collar region reveals brown streaks of discolored phloem vessels.
Lesions on leaflets Dead infected flowersControl :
Delay in the date of sowing reduce the disease in northern India.
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