- Blight: In this disease, dark brown spots are seen on the leaves, spots on the stems are deformed, long, suppressed and purple-black in color. They later merge and surround the entire trunk. Irregular red or brown spots appear on the beans, in the acute stage of the disease, the stem starts to weaken.
- Chemical treatment: Mancozeb 75% WP @ 600 gram/acre or Carbendazim 12% + Mancozeb 63% @ 300 gram/acre or Thiophanate Methyl 70% W / W @ 300 gram/acre or chlorothalonil 75% WP @ 400 gram/acre .
- Biological management: As a biological treatment, spray Trichoderma viride @ 500 g / acre or Pseudomonas fluorescens @ 250 gram/acre.
Gramophone
