A high penetrating 2.5% WP formulation of imidacloprid reached 95% efficiency to control wheat aphids and reduced 50% dosage of active ingredient to campare with the application of traditional WP formulation.

• 高渗吡虫啉渗透、润湿性强，每公顷用有效成分6?3克，对麦蚜防效达95%25以上，用量比普通吡虫啉减少50%25以上，而防效却相当，且持效期明显地优于氧乐果。