- Initially, the plants show temporary wilting symptoms which become permanent and progressive.
- The leaves of the affected plants show yellowing.
- Eventually, the plants die.
- The fungus invades the root system and colonizes the vascular symptoms.
- In doing so, water movement is blocked and toxins from the fungus alter normal cell function.
- Cutting the base of the stem revel a dark woody portion.
Management
- Continuous cultivation of okra on the same piece of land should be avoided.
- Seed treatment with Carboxin 37.5% + Thiram 37.5% @ 2-3 g/kg of seed OR Thiophanate Methyl 45% + Pyraclostrobin 5% FS @ 2 g/kg of seed.
- spray and drenching with Thiophanate methyl 70% WP @ 400 g/acre.
- Azoxystrobin 18.2% + Difenoconazole 11.4% SC @ 200 ml/acre.
- RFor bio management, apply Trichoderma viridae for soil application and foliar spray. It controls all types of fungal infections in the crop.
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