大余县油茶病虫害发生现状及其防治措施

Present Situation and Countermeasures Against Camellia oleifera Pests and Diseases in Dayu County, Jiangxi Province

油茶是我国南方特有的木本油料植物,与油棕、油榄、椰子并称为世界四大木本油料树种。近年来,随着油茶种植面积的不断扩大,油茶品种的不断增多,油茶病虫害频繁出现,严重影响茶油的产量和品质。介绍了大余县油茶种植中发生的油茶茶苞病、油茶软腐病、油茶炭疽病、油茶烟煤病等主要病害的特征、发生规律与防治方法,以及黑跗眼天牛、油茶蛀茎虫、茶梢蛾等主要虫害的发生现状、生物学特征及防治措施,以期为油茶病虫害防治提供技术参考。

Camellia is a unique woody oil plant in south China. Together with coconut, olive and palm, they are called the world＇s four major woody oil species. In recent years, with the expansion of the differential planting area and the increase in Camellia varieties, different kinds of plant diseases and insect pests of Camellia also appeared more and more, which seriously affected the yield and quality of tea oil. This paper introduced the recognition features of main diseases, the occurrence regularities and control methods for Exobasidium gracile, Agaricodochium camelliae, Glomerellacingulata and Neocapnodium sp., and also for pests such as Chreonoma atritarsis, Casmara patrona meyrick and Parametriotes theae, etc., as well as the status quo of their occurrence. The study provided technical references for oil-tea pest control.