bollworm

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bollworm,

name for the larvae of two different moths. The pink bollwormpink bollworm,
destructive larva of a moth, Pectinophora gossypiella. Probably of Native American origin, it is a serious pest of cotton in the S United States, chiefly along the Mexican border.
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 is a serious pest of cotton, and the corn earwormcorn earworm
or cotton bollworm,
destructive larva of a moth, Heliothis zea. Also known as tomato fruitworm, the larva attacks a variety of crops, boring into and feeding on the developing fruits—tomatoes, corn kernels, or cotton bolls.
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, or cotton bollworm, attacks cotton, corn, and other crops.
References in periodicals archive ?
According to secretary agriculture Punjab Mohammad Mehmood, the main objective behind imposing the is to keep crop safe and secure from threat of pink bollworm.
Practical evidence of this is shown in the case of a cotton-munching pest called the pink bollworm, said his colleague, Bruce Tabashnik.
ARS researchers are working with industry to develop cotton that would not be destroyed by pink bollworms and other lepidopteran insect pests.
Similarly, work is underway to develop top quality cotton seeds at a cost of Rs 5 billion in the province, he said and added that in order to keep cotton crop safe from Pink Bollworms, the department was spending Rs 960 million on the provision of BP Ropes, free of cost to farmers, in 54 tehsils of Punjab.
Both the varieties were found to resist American, spotted, and pink bollworms, requiring just two to three sprays for sucking pests, and growers accepted them warmly.
Neem derivatives at all concentrations badly affected the attack of Spotted bollworm where as only at higher concentrations adversely affected the attack of pink bollworms up to 12 days after spray.
Arizona cotton growers count on this biotech variety to knock out pink bollworms.
His experiments showed that planting three rows of early-maturing cotton in the space normally allocated for one row of a mid- to late-season cotton produced the same yield and gave a bonus: They harvested the early cottons before populations of pink bollworms had a chance to build up to troublesome levels.
In case farmers need the cotton sticks as fuel wood then they should keep the sticks in form of smaller stacks in a way that they are exposed to sunlight to destroy the remaining pink bollworms.
Predicting population cycles of the pink bollworms on some varieties of cotton in Haryana.
Lab work has shown that pink bollworms already carry gene variants that in certain combinations can provide immunity.