四川省杜仲有害生物调查及主要种类危害特点

Species and Damage of Pests on Eucommia ulmoides in Sichuan Province

摘要: 2016—2017年调查了四川省杜仲Eucommia ulmoides Oliver有害生物种类及发生情况，发现有害生物14种，其中病害3种、有害植物两种、有害昆虫9种。重度发生的有害生物有杜仲梦尼夜蛾Orthosia songi Chen et Zhang、中度发生的有害生物为杜仲角斑病Mycospaerella sp.，其它有害生物发生程度均为轻度。本研究对杜仲梦尼夜蛾、杜仲角斑病的危害做了简要描述，首次发现有害植物葛藤和苔藓危害。

Abstract: The pests on Eucommia ulmoides were investigated in Sichuan province from 2016 to 2017.The results showed that there were 14 species of pests including 3 diseases,2 plants,9 harmful insects.Among 14 species,Orthosia songi made severe damage,and Mycospaerella sp.made middle degree damage,other pests made slight damage.Their damage symptoms were briefly described.Pueraria lobata and Bryophyte were first reported attacking E.ulmoides.