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核桃树是经济效益较高的树种之一,搞好病虫防治能够提高核桃的产量和质量。 危害核桃树的主要有:云斑天牛、核桃举肢蛾、核桃小吉丁虫,主要病害有腐烂病、核桃黑斑病、核桃炭疽病。其主要防治方法如下: 一、云斑天牛 鞘翅目,天牛科。防治方法:1.利用成虫的趋光性,于6—7月成虫发生期的傍晚,持灯到树下捕杀成虫;2.发现排粪孔后,先用铁丝将虫粪除净,然后将磷化铝片塞入孔内,并用泥封好孔,以毒杀幼虫。
Walnut trees are one of the tree species with high economic benefits. Improving pest control can improve the yield and quality of walnut. Harm the main walnut trees are: cloud-day beetle, walnut Lifting moths, small jilin walnut, the main diseases are rot disease, black spot disease, walnut anthracnose. The main control methods are as follows: First, the cloudy day Coleoptera, Cerambycidae. Prevention and treatment methods: 1. The use of adult phototaxis, in June-July adult occurrence of the evening, holding lights to the tree to kill adults; 2. Found after the fecal hole, the first wire with pest exterminated, and then the phosphating Aluminum pieces into the hole, and hole sealed with mud to kill larvae.