COMPOSITION AND METHOD FOR CONTROLLING INSECTS

摘要

Disclosed are a composition and a method for protecting a target plant from insects. The composition has an effective amount of a bitter extract of a bitter plant as an effective agent. The bitter plant may be selected from the group consisting of Lewisia rediviva, Gengian lutea, theriac venezianand and Commiphora molmol and the bitter extract may be extracted from the root of the bitter plant. The method comprises administering the composition to the plant either on the ground proximate to the plant, by spraying direct application.