New Synthetic and Bio-insecticides Against Maize Stem Borer, Chilo partellus (Swinhoe) on Golden Maize

Muhammad Amjad, Muhammad Afzal and Khalid Mehmood

Experiment was laid out for evaluating some new synthetic and bio-insecticides viz., Imicon 25WP + Neem seed kernel extract (imidacloprid + Azadirachta indica A. Juss.), Agree 50WP (Bacillus thuringiensis), Pride 25WP (buprofezin), Taofos 25EC (quinalphos), and Digital 20EC (fenpropathrin) against maize borer Chilo partellus Swinhoe. All the test insecticides were found to have significant effect on borer infestation, but lower per cent infestation (15.55%) of maize borer with Taofos 25EC (quinalphos) @ 1000 ml/ac would suggest this insecticide to be more toxic to the pest compared with the others.

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