Neetu Kachhwaha, Geeta Devi Meena and Shashi Meena
Saw-toothed grain beetle, flat grain beetle and red flour beetle are major among stored grain insect population. These insect destroy at least 15% of the food produced in only India as they feed almost entirely on the germ of the grain reducing its quality. For selection of control measure advantages, disadvantages and safety towards grain quality must be the first consideration. Plants are composed of many constituents some of them are insecticidal, attractants, repellent, anti-feedants, hormone mimics and hormone antagonist. Repellent behavior is one of the important measures as it does not kill the insect but protect the grain from infestation. Here some plant extract Punica gronatum, Chenopodium album, Vitex negundo and Maytenus emarginata and their combinations were applied to test insect Oryzaephilus surinamensis at the dose of 1, 2.5 and 5ml /100 gms of cashew nuts to control them through repellent behavior.
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