Abstract— Cotton (Gossypium spp.) popularly known as ‘white gold’ is one of the most ancient important cash crop of India. Apart from its value as fibre, it has great potential to be used as edible oil, food for animals and other by products like particle board and boxes. The development of Bt cotton containing a genetically introgresses endotoxin gene from the gram negative soil bacteria (Bacillus thuringiensis Hubner) represents a significant technological land mark in the global cotton research. Thrips is a major sucking pest on cotton crop, causing quantitative and qualitative losses to cotton. An experiment was conducted at Agriculture Research Station, Sri Ganganagar in Randomized Block Design with 10 treatments including control and replicated three times, to evaluate various insecticides against thrips in Bt cotton. The study revealed that maximum reduction (56.00%) in thrips population was recorded with the treatment of Acephate 75% SP, followed by Imidacloprid 17.8% SL (49.66%). Both the treatments were at par and significantly superior over the other treatments. The phytotoxic effect on crop could not be observed during the experimental period.
Keywords— Cotton, Agriculture Research, Acephate, soil bacteria, Acephate.
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