Abstract
Toxicity of selective insecticides against sap sucking insect pests of cotton (Gossypium hirsutum)
Highlights
The most devastating cotton crop pests including sucking insect pests like jassid, Amrasca biguttula and aphid, Aphis gossypii
Total mortality was recorded after 96 hours 98.06b, which is highly effective at the adult stage against aphid (Table 1)
Total mortality-4.16a was observed under field conditions in imidacloprid, after 24 hours
Summary
The most devastating cotton crop pests including sucking insect pests like jassid, Amrasca biguttula and aphid, Aphis gossypii. The severe attack of these sucking pests in Pakistan causes yield losses of about 28 percent to the cotton crop. Chemical control such as the use of various insecticides is mainly practiced to minimize yield losses in cotton crops. 96 hours of spray, except buprofezin and movento, the other insecticides caused immature and adult mortality. Imidacloprid, acetamiprid, nitenpyram, and buprofezin were statistically effective at the immature stage with mortality of A. biguttula after 96 hours of spraying. Acetamiprid and nitenpyram were more effective after 24 hours of spray, but imidacloprid, chlorfenapyr, movento, and buprofezin were less effective and showed low mortality at immature A. biguttula stage. 40% include bollworms and sucking insect vital role in the country's financial growth pests in Pakistan [2,3,4,5], but 28% yield losses
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