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茉莉是一种亚热带香料作物,为窨制茉莉花茶的主要原料,鄂城、咸宁、黄冈、孝感、宜昌等地近年来广泛种植。在茉莉生长季节,也常受多种害虫的严重为害,造成一定产量损失。现将几种常见害虫的发生情况和防治方法介绍如下。 1.茉莉叶螟(又称卷叶虫) 茉莉叶螟全年均可发生,以9—11月为害最烈。幼虫在叶背及卷曲枯叶中越冬。次年早春(2月中旬)幼虫开始活动。初孵幼虫多
Jasmine is a subtropical spice crop, jasmine tea is the main raw material, Echeng, Xianning, Huanggang, Xiaogan, Yichang and other places widely planted in recent years. In the growing season of jasmine, it is also often severely damaged by many pests, resulting in a certain loss of yield. Now the occurrence of several common pests and prevention methods are described below. 1. jasmine leaf borer (also known as leaf roller) jasmine leaf borer can occur throughout the year, 9-11 month most damaging. Larvae wintering in leaves and curly dead leaves. The following year early spring (mid-February) larvae began activities. Larvae newly hatched