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一、前言武功小黄捲叶蛾在陕西地区为害苹果最为严重,对桃、山荆子、杏、秋果、花红、红叶李等亦有为害。被害苹果树叶被吐丝捲起,纠合在一起上捲成饺子状,食其叶肉或将叶子咬成大小不等的孔洞,失去光合作用能力。如果一片叶子为害二分之一,则整个叶子萎缩桔黄及早凋落,严重影响当年果实的膨大及第二年花芽形成。春季为害花芽,被害者中心花朶枯死,使之不能结丰满的果实。果实长大之后啃食表皮,使商品价值降低。根据56～57年系统调查,青香蕉、元帅果实被害率达5—7％。
First, the preface martial arts Small yellow leaf roller moths in Shaanxi Province, the most serious damage to the peach, mountain Jing Zi, apricot, autumn fruit, red flowers, red leaves and other also harmful. Victims of apple leaves are curled up, entangled together into a dumpling-like, eat their leaves or bite into holes of varying sizes, loss of photosynthetic capacity. If a leaf is harmed by one half, the entire leaf is decayed orange and early litter, seriously affecting fruit enlargement and flower bud formation the following year. Flower buds damaged in spring, the victim center flowers dead, so that it can not end fullness of the fruit. After the fruit grows, it grazes the epidermis and reduces the value of the commodity. According to the systematic investigation of 56 to 57 years, green banana, Marshal fruit damage rate of 5-7%.