Mangalesh, the problem is due to infection by fungal pathogens. The fungal pathogens at high moisture levels start attacking and feed on the tissues of stem at ground base and moves towards the root zone also. Finally plants starts wilts and will be died.
Seed treatment with Ridomet 10 gm per kg of seeds may help prevent the disease at later stages.
To prevent and manage the disease after germination, crown drowning drench of Ridomet 0.75 gm/L and 100 - 150 mL per plant may control the crown and root rot and prevent the plants from getting killed.
For biological control Trichoderma viride [Treat or Ecoderma or Nisarga] seed treatment 25 gm per kg of seed and 20 gm/L of water and 250 to 300 mL per plant drenching.
https://www.bighaat.com/products/treat-bio-fungicide OR https://www.bighaat.com/products/ecoderma-trichoderma-viride-biopesticide OR https://www.bighaat.com/products/multiplex-nisarga
K SANJEEVA REDDY,
Senior Agronomist, BigHaat.
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