Chemical management
- Soil application - Malathion 5 D @ 25 kg/ ha at
     the time of planting 
- Treat the soil with phorate 10 G @ 100 g/palm 
- Drench the rhyzosphere with chlorpyrifos 20 EC 5
     ml/lit suspension. 
- The treatment should be given twice, first during
     April-May after the receipt of pre-monsoon showers and second during the
     month of September.