吴茱萸生长期的病虫害主要有以下几种,应及时做好防治工作。1.霉病。病原为真菌中的一种子囊菌,当受蚜虫、长绒棉蚧为害时,植株诱发出不规则的黑褐色霉状斑,严重时树势衰弱。防治方法:(1)在蚜虫、长绒棉蚧发生期,可喷施40%乐果1500~2000倍液,每隔7天喷1次,连喷2~3次。(2)病害发生期喷1∶0.5∶150~200倍波尔多 Evodia pest mainly during the growth of the following types, should be timely prevention and control work. 1. Mold disease. The pathogen is an ascomycete in the fungus. When it is harmed by aphids and cotton fescue, the plant induces irregular milky mildew-like plaques and the tree is weak in severe cases. Prevention and treatment methods: (1) In the occurrence of aphids, cotton gibbons can be sprayed 40% dimethoate 1500 to 2000 times, every 7 days spray 1, and even spray 2 or 3 times. (2) the incidence of disease spray 1: 0.5: 150 ~ 200 times Bordeaux