Tomato Pests
Fruit Borer
Symptoms
- Young larvae feed on tender foliage.
- Mature larvae bore circular holes.
- Thrust only a part of its body into fruit and eat the inner content.
Identification
- Eggs: Eggs are sculptured and creamy white in colour, laid singly.
- Larva: Shows colour variation from greenish to brown. It has dark brown grey lines on the body with lateral white lines and also has dark band.
- Pupa: Brown in colour, occurs in soil, leaf, pod and crop debris.
- Adult: Female light pale brownish yellow stout moth, Male – Pale greenish moth V shaped speck.
- Forewing: olive green to pale brown with a dark brown circular spot in the centre.
- Hindwing: is pale smoky white with a broad blackish outer margin.
Management
- Collect and destroy the infected fruits and grown up larvae.
- Grow simultaneously 40 days old American tall marigold and 25 days old tomato seedling at 1:16 rows.
- Setup pheromone trap with Helilure at 12/ha.
- Collection and destroy of damaged fruits and grown up caterpillars.
- Release Trichogramma pretiosum @ 1 lakh/ha at an interval of 7 days starting from flower initiation stage.
- Spray HaNPV 1.5 × 1012 POBs/ha.
- For Helicoverpa armigera: HaNPV 1.5 × 1012 POBs/ha i.e. NPV of H.armigera 0.43% AS @ 3.0 ml/lit or 2% AS @ 1.0 ml per lit.
- For Spodoptera litura: Sl NPV 1.5 × 1012 POBs/ha.
- Provide poison bait with carbaryl 50 WP 1.25 kg, rice bran 12.5 kg, jaggery 1.25 kg and water 7.5 lit/ha.
- Spray any following insecticides
|
Insecticide |
Dosage |
|---|---|
|
8 ml/10lit |
|
|
Flubendiamide 39.35 SC |
2 ml/10lit |
|
2 g/10lit |
|
|
7 ml/10lit |
|
|
10 ml/10lit |
|
|
3 ml/10lit |
|
|
18 ml/10lit |
