Pigeonpea cyst nematode : Heterodera cajani
Symptoms
| 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. |
- 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.