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当前位置: 首页 > 文章 > 防治肿节风黑线炭疽病菌的药剂筛选 热带生物学报 2014,5 (3) 244-248+259
Position: Home > Articles > Screening of Efficient Fungicides Against the Anthracnose of Sarcandra glabra Caused by Colletotrichum dematium Journal of Tropical Biology 2014,5 (3) 244-248+259

防治肿节风黑线炭疽病菌的药剂筛选

作  者：
蒋妮;叶云峰;胡凤云;刘丽辉;刘威
单  位：
广西药用植物园/广西药用资源保护与遗传改良重点实验室
关键词：
肿节风;黑线炭疽;杀菌剂;筛选
摘  要：
采用菌丝生长速率测定法测定14种杀菌剂的抑制活性,对抑制率达90%以上的杀菌剂进行毒力测定,根据室内测试结果将抑制效果较好的杀菌剂进行田间防治试验。结果表明:戊唑醇、苯醚·咪鲜胺、咪鲜胺、苯醚甲环唑4种药剂对黑线炭疽病菌具有较好抑菌活性,抑制率>90%,EC50分别为0.079 9,3.567,55.470,370.340 mg·L-1;戊唑醇稀释3 000~4 000倍,苯醚·咪鲜胺稀释1 000~2 000倍,田间防效均达70%以上。这表明戊唑醇、苯醚·咪鲜胺对肿节风炭疽病有较好的防治作用,可以在生产上推广应用。
译  名：
Screening of Efficient Fungicides Against the Anthracnose of Sarcandra glabra Caused by Colletotrichum dematium
作  者：
JIANG Ni;YE Yunfeng;HU Fengyun;LIU Lihui;LIU Wei;Guangxi Botanical Garden of Medicinal Plants,Guangxi Key Laboratory of Protection and Genetic Improvement of Medicinal Resources;
关键词：
Sarcandra glabra;;Colletotrichum dematium;;fungicide;;screening
摘  要：
Antimicrobial activities of 14 fungicides were tested against Colletotrichum dematium by using the mycelia growth rate method,and the fungicides with an inhibition rate of 90% or more were tested in toxicity indoor and then in the field.Four fungicides,ie.Tebuconazole,flusilazole-prochloraz chloride complex,Prochloraz,Difenoconazole gave high antimicrobial effects,and their EC50 values were 0.799,3.567,55.47 and 370.34 mg·L- 1,respectively.The field tests showed that Tebuconazole and flusilazole-prochloraz had a control efficacy of > 70%against the anthracnose of Sarcandra glabra when diluted at 1:3000—4000 and 1:1000—2000,respectively,indicating that these two fungicides have a better control efficacy against the anthracnose of Sarcandra glabra caused by Colletotrichum dematium,and can be released for commercial extension to control this disease.

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