油桃色彩艳丽,食用方便,一果多味,耐贮运,经济效益比毛桃高出2～3倍,因而赢得了生产者和消费者的喜爱。但如果虫害防治不当,就会降低果实的商品性和经济效益。现将陕西关中油桃生产中常见的几种虫害及防治办法介绍如下,供果农朋友参考。 1 梨蝽象 俗称“臭板虫”。属半翅目,刺吸式口器。 (1)危害症状:被害果呈硬斑,下陷干硬。 (2)发生规律:一年一代,以2龄若虫在墙 Nectar colorful, easy to eat, a fruit and more flavor, storage resistance, economic benefits than peaches 2 to 3 times, which won the producer and consumer favorite. However, if pest control is not proper, it will reduce the commerciality and economic benefits of the fruits. Now Shaanxi Guanzhong Nectarine common in the production of several pests and control methods are as follows, for fruit farmers friends reference. 1 Pear bug Commonly known as “stink bug.” Hemiptera, sucking mouthparts. (1) Harm symptoms: victim fruit was hard spot, subsidence dry hard. (2) The law occurs: one generation to 2 instar nymphs on the wall