What is cotton insect?
Cotton is one of the most important commercial crops of India. Cotton crop is infested with different kinds of insects in the production cycle. Jassids, thrips, aphids and whiteflies are among sucking pests and bollworm (American and spotted) and spodoptera caterpillars which attack on leaves and bolls.
What are the major insect pests of cotton?
Cotton Pests: Scouting and Management
- Cotton development.
- Insect management.
- Thrips.
- Cutworms.
- Cotton aphid.
- Cotton fleahopper, clouded plant bug, tarnished plant bug.
- Cotton bollworm, tobacco budworm.
- Spider mites.
What insect destroys cotton crops?
boll weevils
What adult boll weevils lack in size they make up for with their larvae’s ability to feed on and destroy cotton. Boll weevils entered the U.S. from Mexico in the late 1800s, when they were first spotted in Texas. By the 1920s they had spread through all of the major cotton-producing areas in the country.
How do you control cotton bollworms?
Infestation on susceptible cotton is generally controlled with insecticides. Once a crop has been harvested, the field is plowed under as soon as possible to stop the life cycle of the new generation of bollworm. Unharvested bolls harbor the larvae, so these are destroyed.
What are the diseases of cotton?
| Fusarium Wilt | Verticillium wilt | Boll rot |
| Alternaria leaf blight Myrothecium leaf spot Cercospora Leaf spot Bacterial blight Tobacco Streak Virus |
Do bugs eat cotton clothes?
Cotton clothing happens to be one of the favorites of moths, so if you notice something eating only your cotton clothes, it may be from moth larvae damage. Since moths are a common pest of clothing, many people assume their torn up clothing comes from a moth.
How do you keep cotton bollworms from turning pink?
Cotton bolls can be effectively protected from pink bollworm by spraying insecticides at 10 days interval till the effective boll formation. When Bt. cotton was released the pink boll worms’ incidence was negligible, over a period of years pink boll worm species have developed resistance and resurgence.
Which fertilizer is best for cotton?
Cotton crop should be manured with FYM or compost at least once in 3 years at the rate of 12 to 15 tons/ha. The fertilizer dose of 100:50:50 (NPK) kg/ha for irrigated cotton; 80 :40:40 (NPK) kg/ha for rainfed cotton hybrids and 50:25:25 NPK kg/ha both for desi and hirsutum varieties are recommended.
What are the major pests of cotton crop?
4. MAJOR INSECTS OF COTTON A list of potential insect pests of cotton with its management is listed below: American bollworm/Fruit borer: Helicoverpa armiger Family: Noctuidae Order: Lepidoptera It is one of the important major insect of cotton crop.
How many types of bollworms are there in cotton?
Boll worms of Cotton 28. 1 American bollworm Helicoverpa armigera Noctuidae Lepidoptera 2 Spotted bollworms Earias vittella & E. insulana Noctuidae Lepidoptera 3 Cotton pink bollworm Pectinophora gossypiella Gelechiidae Lepidoptera Cotton bollworms are the most destructive group of insects found on cotton in all cotton growing areas of the world.
What are theuses of cotton 11?
Uses of Cotton 11. End 2. Cotton is a soft, fluffy staple fiber that grows in a boll, or protective capsule, around the seeds of cotton plants of the genus Gossypium. The fiber is almost pure cellulose. Under natural conditions, the cotton bolls will tend to increase the dispersion of the seeds.
What is the importance of cotton?
IMPORTANCE OF COTTON It is cultivated primarily for lint. Raw cotton is also used for medical and surgical purpose. Linters are used cushions, pillows etc. Linters Also used for high grade paper, rayon, films, explosives. Seed crushed for edible oil. Cakes and meals are excellent cattle feed. 4. 1. Leafhopper (Amrasca biguttula biguttula ) 2.