Application of integrated bio-control methods for Asian corn borer
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Key Words：Ostrinia furnacalis, Beauveria bassiana, Trichogramma dendrolimi, integrated bio-control
Abstract： A new bio-control method for the Asian corn borer (Acb) integrating the application of the parasitic fungus Beauveria bassiana to seal corn stalk mounds in spring with the release of the parasitic wasp Trichogramma dendrolimi Matsumura in summer, was used to control Acb in cornfields. The control effect of this method was 70.95% and it recovered 6.45% of the crop formerly lost to Acb. This integrated bio-control method reduces the number of Acb imago and larvae, and lengthens the duration of control of Acb in cornfields. It can be applied when required according to the degree Acb infestation and production needs.