100万孢子/g寡雄腐霉菌可湿性粉剂防治茶叶主要病害药效研究  

Study on the Efficacy of Pythium Oligandrum WP(1,000,000 Spores/g)Against the Major Tea Diseases

作　　者：陈卓 周开云 刘霞 Chen Zhuo;Zhou Kaiyun;Liu Xia(The Planting Industry Development Service Center of Meitan County,Meitan Guizhou 564100,China)

机构地区：[1]贵州省湄潭县种植业发展服务中心,贵州湄潭564100

出　　处：《农药科学与管理》2022年第8期46-50,共5页Pesticide Science and Administration

基　　金：茶叶病虫害绿色防控项目。

摘　　要：100万孢子/g寡雄霉菌可湿性粉剂用于防治茶叶茶饼病,建议重病或常发区在发病前施药;炭疽病和赤星病在发病初期施药,生产上推荐制剂用量400mL/667m ^(2),采取叶面喷雾,用水量60kg/667m ^(2),共施药3次,每次间隔7~10d。田间观察表明,试验药剂对茶叶植株生长无不良影响,对其他非靶标生物无明显不良影响。Pythium Oligandrum WP(1,000,000 spores/g)was recommended to be used to control tea gall and usesd before the occurrence of the disease in intense or frequent occurrence areas and at the early stage of anthracnose and red star,at the application rate of 400 ml/mu.For the foliar spray treatment,the product was applied for 3 times with an interval of 7~10 days and 60 kg water was used per mu.Field observations showed that the tested product had no adverse effects on the growth of tea plants and no significant adverse effects on the other non-target organisms.

关 键 词：寡雄腐霉菌 防治 茶叶主要病害 药效研究 

分 类 号：S482.2[农业科学—农药学] S481.9[农业科学—植物保护]