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辽宁省黄瓜靶斑病菌对苯醚甲环唑和戊唑醇的敏感性
引用本文:张乃楼,李亚美,康文强,孙青彬,祁之秋.辽宁省黄瓜靶斑病菌对苯醚甲环唑和戊唑醇的敏感性[J].农药学学报,2014,16(4):452-456.
作者姓名:张乃楼  李亚美  康文强  孙青彬  祁之秋
作者单位:1.沈阳农业大学 植物保护学院, 沈阳 110866
基金项目:公益性行业(农业)科研专项(201303023);辽宁省大学生创新训练项目(201310157064)
摘    要:采用菌丝生长速率法,测定了2013年采集分离自辽宁省8个地区的101株黄瓜靶斑病病原菌群体对三唑类杀菌剂苯醚甲环唑和戊唑醇的敏感性。结果表明:苯醚甲环唑对101株黄瓜靶斑病菌的EC50值范围为1.062~18.918μg/mL,相差16.814倍,平均EC50值为(7.109±4.578)μg/mL;戊唑醇对上述菌株的EC50值范围为1.624~21.708μg/mL,相差12.367倍,平均EC50值为(9.398±4.944)μg/mL。田间尚未出现对2种杀菌剂产生抗药性的菌株。不同地区间黄瓜靶斑病菌对苯醚甲环唑和戊唑醇的敏感性无显著差异。

关 键 词:黄瓜靶斑病菌    苯醚甲环唑    戊唑醇    敏感性
收稿时间:2014/4/15 0:00:00
修稿时间:6/3/2014 12:00:00 AM

Sensitivity of Corynespora cassiicola to difenoconazole and tebuconazole in Liaoning Province
ZHANG Nailou,LI Yamei,KANG Wenqiang,SUN Qingbin and QI Zhiqiu.Sensitivity of Corynespora cassiicola to difenoconazole and tebuconazole in Liaoning Province[J].Chinese Journal of Pesticide Science,2014,16(4):452-456.
Authors:ZHANG Nailou  LI Yamei  KANG Wenqiang  SUN Qingbin and QI Zhiqiu
Institution:1.College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China
Abstract:101 strains of Corynespora cassiicola Wei were isolated from 8 areas in Liaoning Province, and their sensitivity to difenoconazole and tebuconazole were examined by mycelium growth rate method in vitro. The results showed the EC50 values of difenoconazole to the 101 strains ranged from 1.062-18.918 μg/mL, with a difference of more than 16.814 times, the average EC50 value was (7.109±4.578) μg/mL. Mean while the EC50 values of tebuconazole ranged from 1.624-21.708 μg/mL, with a difference of more than 12.367 times, the auerage EC50 value was (9.398±4.944) μg/mL. No resistant strain was detected in the field. The sensitivity of C.cassiicola from different areas to difenoconazole and tebuconazole showed no significant difference.
Keywords:Corynespora cassiicola Wei  difenoconazole  tebuconazole  sensitivity
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