广西木奶果病虫害种类及为害情况

Species and Hazards of Diseases and Insect Pests of Baccaurea ramiflora Lour.in Guangxi

为摸清广西木奶果病虫害种类及其危害情况,进而为其病虫害防治提供依据。于2018—2020年期间,在广西东兴市、防城港、龙州县、凭祥市、靖西市、那坡县等6个市县,采用定点调查、走访询问和全面普查相结合的方法对木奶果病虫害进行系统调查。结果显示,广西地区危害木奶果的病虫害有22种,其中,病害有7种,叶枯病为苗期主要病害,危害程度为严重,炭疽病为中度为害;虫害15种,其中蝶形锦斑蛾、中华萝藦叶甲发生频度高,危害面广,危害程度重,豹点锦斑蛾和埃及吹绵蚧危害程度为中度,其他害虫危害较轻。

The study aims to find out the species of diseases and insect pests of Baccaurea ramiflora Lour.and their hazards in Guangxi so as to provide basis for pests control.A systematic investigation was conducted on the diseases and insect pests of Baccaurea ramiflora Lour.in Dongxing,Fangchenggang,Longzhou,Pingxiang,Jingxi and Napo in Guagnxi from 2018 to 2020,by using the methods of fixed-point survey,visiting and questioning,and overall survey.Results showed that there are 22 kinds of pests and diseases harming Baccaurea ramiflora Lour.in Guangxi,including seven kinds of diseases and 15 kinds of insect pests.Foliage blight was the main disease at seedling stage,causing serious damage,and anthracnose was the moderate disease.The damage degrees of Cyclosia papilionaris Drury and chrysochus chinensis Baly were serious,Cyclosia panthono Stoll and Lcerya aegyptiaca Douglas were moderate,and other pests were light.