GENERAL KNOWLEDGE

Detailed explanation-1: -The pink bollworm (Pectinophora gossypiella) is one of the most destructive pests of cotton. Though probably native to India, it is now distributed worldwide. It bores into cotton bolls, devouring blossoms and seeds.

Detailed explanation-2: -Many predators and parasites combine to substantially maintain cotton bollworm populations at low levels. Insecticide sprays for other pests will disrupt this natural control and may result in severe outbreaks of this pest.

Detailed explanation-3: -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. American bollworms can cause upto 40-50 % crop losses in severe incidences.

Detailed explanation-4: -The cotton bollworm (a.k.a. corn earworm or sorghum headworm) is a serious pest in the southern cotton growing areas. In Kansas cotton, infestations are sometimes observed, although damage has been limited even when high infestations have developed in corn and grain sorghum.