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当前位置: 首页 > 文章 > 戊唑醇、百菌清及其复配对禾谷镰孢菌的生物活性 农药 2012,51 (3) 225-227
Position: Home > Articles > Biological Activity of the Mixtures of Tebuconazole,Chlorothalonil to Fusarium graminearum Agrochemicals 2012,51 (3) 225-227

戊唑醇、百菌清及其复配对禾谷镰孢菌的生物活性

作  者：
叶滔;马志强;牛芳胜;毕秋艳;韩秀英;张小风;王文桥;张利辉
单  位：
河北省农林科学院植物保护研究所;河北农业大学植物保护学院农药系
关键词：
戊唑醇;百菌清;禾谷镰孢菌;生物活性
摘  要：
[目的]筛选戊唑醇和百菌清对禾谷镰孢菌菌丝生长抑制效果最佳复配比例。[方法]室内恒温条件下,采用菌丝生长速率法测定戊唑醇、百菌清及其复配对禾谷镰孢菌的毒力,用Horsfall的毒力试验设计和Wadley的增效比(SR)率法评价2种杀菌剂的联合作用。[结果]戊唑醇和百菌清以1∶1、1∶3、1∶5、1∶7、1∶9、1∶11、3∶1和5∶1比例混配的SR为1.5915-84.3772,表现为增效作用;以9∶1、11∶1比例混配的SR值分别为0.5132、1.0190,表现为相加作用;以7∶1比例混配的SR为0.4382,表现为拮抗作用。[结论]2种药剂以1∶11比例混配的SR值最大是84.3772,为最佳增效作用混配比例;该研究结果为该病的防治奠定基础。
译  名：
Biological Activity of the Mixtures of Tebuconazole,Chlorothalonil to Fusarium graminearum
作  者：
YE Tao1,2,3,MA Zhi-qiang2,3,NIU Fang-sheng1,2,3,BI Qiu-yan2,3,HAN Xiu-ying2,3, ZHANG Xiao-feng2,3,WANG Wen-qiao2,3,ZHANG Li-hui1(1.Department of Pesticide Science,College of Plant Protection,Agricultural University of Hebei,Baoding 071001,Heibei,China;2.Institute of Plant Protection,Hebei Academy of Agricultural & Forestry Sciences,Baoding 071000,Heibei,China; 3.IPM Centre of Hebei Province,Baoding 071000,Heibei,China)
关键词：
tebuconazole;chlorothalonil;Fusarium graminearum;biological activity
摘  要：
[Aims] The study aims to screen the ratio of the mixture of tebuconazole and chlorothalonil that had best effect on controlling the mycelium growth of Fusarium graminearum.[Methods] The method of mycelium growth rate was used to test the toxicity to F.graminearum of tebuconazole,chlorothalonil and their mixture under the condition of constant temperature in laboratory.The combined effect of the fungicides was evaluated by using methods of Horsfall test design and Wadley synergistic ratio(SR).[Results] The mixtures of tebuconazole with chlorothalonil of 1:1,1:3,1:5,1:7,1:9,1:11,3:1 and 5:1 had synergistic effect.The SR was 1.5915-84.3772.The mixture of the two components at the ratio of 9:1 and 11:1 had additive effect,the SR were 0.5132 and 1.0190,however,the mixture of the two components at the ratio of 7:1 had antagonist effect,the SR was 0.4382.[Conclusions] SR of the mixture of 1:11 was as high as 84.3772.So the rate of 1:11 is the best mixing proportion.This result has established the foundation for controlling the disease in the futher.

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