Management of Collar Rot in Soybean:-
Symptoms:-
- Infection usually occurs at or just below the soil surface.
- Sudden yellowing or wilting of plants is the first symptom.
- Light brown lesions, which quickly darken, enlarge until the hypocotyl or stem is girdled.
- Leaves turn brown, dry and often cling to dead stem.
Management:-
- Deep ploughing in summer.
- Crop rotation with maize or sorghum.
- Destroy infected stubble.
- Seed treatment with Carbendazim or Thiram 2g/kg of seed.
- Spot drenching with Carbendazim @ 3 gm/liter or Thiophanate methyl 70% WP @ 2 gm/liter of Water.
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