Pests and Management
Major pests include:
- Helicoverpa armigera, a major pest affecting tomato crops renders the infested fruit unsuitable for human consumption.
Management - NPV (Helicide) 0.5 ml/ l after 15 days of fruit-set may be used. Infected fruits and any visible caterpillar may be collected and destroyed to reduce further infestation.
- Serpentine leaf miner
Management - Neem Seed Kernel Extract 5% may be sprayed to kill larvae.
- White fly
Management - Carbofuran 3% G (40 kg /ha) may be sprayed or insecticides such as Dimethoate 30 % EC and Malathion 50 % EC.
Management – Dimethoate (30 E.C) 10ml/ 10 litre of water should be sprayed.
- Soil application (SA) of Bacillus subtilis (BbV 57)
- Seed treatment with Pseudomonas fluorescens (10g/kg of seeds), and for soil application of 2.5 kg/ha of Pseudomonas fluorescens.
- Liquid formulation of Bacillus subtilis (BbV 57) or Pseudomonas fluorescens (1000 ml/ha) through drip irrigation may also be used for the management of root knot nematode in the tomato plant.
Diseases and Management
Tomato plant is susceptible to various diseases which can affect the crop yield.