Pest & Disease Control for your Crop
Spotted bollworm (Earias vittella)
Cotton
Symptoms
- Caterpillars bores into top tender shoot, the portion of the shoot above the damage withers, droops and dries up.
- When the squares and bolls begin to develop, these caterpillars move from the shoots and start damaging bolls by making conspicuous holes into them.
- The squares and small bolls injured by the larvae drop away from the plants.
- The infested bolls, which are not shed and destroyed by the larvae eating the seeds and filling them with excrement. Such affected bolls may open prematurely and badly.
Preventive Measures
Use trap crops such as bajra, maize, jawar and Hibiscus.
Control Measures
Mix in 200 liters of water and spray.
Or
Mix in 200 liters of water and spray.
Or
Mix in 200 liters of water and spray.
Or
Description
- Caterpillars enter young shoots before the flower bud formation. After the square and boll formation, the infestation is noticed on these parts also. About 50-60 percent loss of seed cotton is attributable to bollworms.