Department of Agricultural Zoology and Entomology, S.K.N. College of Agriculture, Rajasthan Agricultural University, Jobner - 303 329, Rajasthan, India. Email: mcb_bhargava@yahoo.com; jpento2008@hau.ernet.in
Different plant oils @ 0.1, 0.5 and 1.0 ml/100 g wheat seeds were evaluated as seed dressers against Sitophilus oryzae (Linn.). Neem, karanj, clove and lemongrass oils at 1.0 ml/100 g seeds were found most effective in reducing the fecundity, adult emergence, longevity of adults, grain damage, loss in weight and in prolonging developmental
period.
Plant oils, Sitophilus oryzae, wheat seeds