不同生物药剂对茶炭疽病菌和茶轮斑病菌的室内毒力测定  

Toxicity Measurement of Different Biological Reagents on Colletotrichum gloeosporioides and Pseudopestalotiopsis camelliae-sinensis

作　　者：郭迟鸣 林文珍[1,2] 汪文华 郭莺[1,2] 刘黎卿 林志楷[1,2] GUO Chi-ming;LIN Wen-zhen;WANG Wen-hua;GUO Ying;LIU Li-qing;LIN Zhi-kai(Fujian Institute of Subtropical Botany,Xiamen Fujian 361006;Fujian Key Laboratory of Physiology and Biochemistry for Subtropical Plant)

机构地区：[1]福建省亚热带植物研究所,福建厦门361006 [2]福建省亚热带植物生理生化重点实验室

出　　处：《现代农业科技》2020年第12期116-117,119,共3页Modern Agricultural Science and Technology

基　　金：厦门市科技项目(3502Z20172006)。

摘　　要：茶树是我国重要的经济作物,但是由于其主要生长在温暖、湿润的环境,造成了茶树病害的滋生。茶炭疽病和茶轮斑病是茶树的重要病害,目前主要利用化学方法防治,而生物防治方法仍十分有限。本研究利用菌丝生长速率法测定了4种生物药剂对茶炭疽病菌和茶轮斑病菌的室内抑菌活性。结果表明,0.5%香菇多糖对茶炭疽病菌和茶轮斑病菌菌丝生长的抑制作用较好,EC50值分别为9.40μg/mL和2.68μg/mL;其次为6%阿泰灵,EC50值分别为18.25μg/mL和18.63μg/m L,而5%海岛素和3%植物免疫蛋白效果较差。Tea plant is one of the important economic plants in China,it mainly grows in warm and humid environment,which resulting in the disease propagation.Anthracnose and gray leaf blight leaf spot are two important diseases in tea plants.At present,controlling the two diseases mainly relies on chemical fungicides,but biological control methods are still very limited.The paper used the mycelium growth rate method to determine inhibitory effect of 4 different biological reagents against Colletotrichum gloeosporioides and Pseudopestalotiopsis camelliae-sinensis.The results showed that 0.5%lentinan had the strongest anitfungal activity on the mycelial growth of Colletotrichum gloeosporioides and Pseudopestalotiopsis camelliae-sinensis,and the EC50 values were 9.40μg/mL and 2.68μg/mL,respectively;6%Atailing also showed good inhibitory activity on the two fungus,the EC50 values were 18.25μg/mL and 18.63μg/mL,respectively.While 5%Haidaosu and 3%plant immune protein showed poor inhibitory activity.

关 键 词：茶炭疽病菌 茶轮斑病菌 生物药剂 毒力测定 

分 类 号：S435.711[农业科学—农业昆虫与害虫防治]