引言 梨小食心虫在果园中严重危害桃果和梨果等。为了确保好果率,每年须连续大量施用各种农药进行防治,但效果仍不理想。近年来综合防治措施受到人们的重视。国内外在防治害虫的新方法和新途径方面开展了各种新的尝试。 在伟大的批林批孔运动中,我们认真地学习了毛主席教育革命 Introduction Pear bore worms in the orchard seriously endanger peach and pear and so on. In order to ensure a good fruit rate, a large number of pesticides should be continuously administered in large quantities for prevention and treatment every year, but the effect is still not satisfactory. In recent years, comprehensive prevention and control measures have been people’s attention. New attempts and new ways of preventing and controlling pests both at home and abroad have been carried out. In the great bodhisattva bodhisattva movement, we conscientiously studied Chairman Mao’s educational revolution