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Pigeonpea cyst nematode : Heterodera cajani
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Symptoms
- Infected plants show yellowing, stunting, poor vigour and pod formation. Several crops like pigeonpea, cowpea, mungbean, soybean, black gram and sesame are seriously damaged by the nematode.
- At seedling stage of plant, pearl-like or lemon-shaped white female can be found attached with roots.
Management
- Summer ploughing of fields during hot months.
- Crop rotation with non host crops for 2-3 years.
- Soil application Pseudomonas fluorescens or Trichoderma viride @ 2.5 kg/ha at the time of sowing.
- Seed treatment with Pseudomonas fluorescens and Trichoderma viride @ 5+5 g/kg seed.
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