Pigeonpea cyst nematode: Heterodera cajani

Symptoms

• Infested plants show yellowing, stunting, poor vigour and pod formation. Several crops like pigeonpea, cowpea, mungbean, soybean, blackgram 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 of Pseudomonas fluorescens or Trichoderma viride @ 2.5 kg/ha at the time of sowing.
• Seed treatment with Pseudomonas fluorescens and Trichoderma viride @ 5 + 5g/kg seed.