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当前位置: 首页 > 文章 > 烟草野火病菌对细菌杀星的敏感性测定及敏感基线建立 吉林农业大学学报 2011,33 (6) 14-17
Position: Home > Articles > Sensitivity Determination and Sensitivity Baseline Establishment of Pseudomonas syringae pv. tabaci to Streptomycin· Saikuzuo Journal of Jilin Agricultural University 2011,33 (6) 14-17

烟草野火病菌对细菌杀星的敏感性测定及敏感基线建立

作  者：
陈长卿;隋原;杨丽娜;周洪波;张文中;高洁
单  位：
桦甸市农业综合执法大队;吉林农业大学农学院;公主岭怀德农业站
关键词：
烟草野火病菌;细菌杀星;敏感性;敏感基线
摘  要：
从黑龙江省和吉林省烟草主要种植区获得烟草野火病菌(Pseudomonas syringae pv.tabaci)菌株61个,采用抑菌圈法对50%细菌杀星WP进行了敏感性测定。结果表明:不同地理来源的烟草野火病菌对细菌杀星敏感性有一定差异,EC50=1.070~1.517μg/mL,平均1.421μg/mL;黑龙江省鸡西的菌株h28为最敏感菌株,其EC50为1.070μg/mL,而黑龙江宁安菌株h40敏感性最低,其EC50值为1.517μg/mL。同时确定了两省烟草野火病菌对细菌沙星的敏感基线为1.421μg/mL,可用于对烟草野火病菌对细菌杀星的抗药性监测;烟草野火病菌对细菌杀星未产生抗药性。
译  名：
Sensitivity Determination and Sensitivity Baseline Establishment of Pseudomonas syringae pv. tabaci to Streptomycin· Saikuzuo
作  者：
CHEN Chang-qing1,SUI Yuan1,YANG Li-na1,ZHOU Hong-bo2,ZHANG Wen-zhong3,GAO Jie11.College of Agronomy,Jilin Agricultural University,Changchun 130118,China;2.Agricultural Law Enforcement Unit of Huadian City,Huadian 132400,China;3.Huaide Agricultural Station of Gongzhuling County,Gongzhuling 136100,China
关键词：
Pseudomonas syringae pv.tabaci;streptomycin·saikuzuo;sensitivity;sensitivity baseline
摘  要：
The fungicide sensitivity to streptomycin·saikuzuo of sixty one strains of Pseudomonas syringae pv.tabaci(Pst)from tabacco regions in Heilongjiang and Jilin provinces was determined using the method of inhibition zone.The results showed there were sensitivity differences among the strains,and EC50value of all strains was lower than 2 μg/mL,which ranged from 1.070 to 1.517 μg/mL,and the average value was 1.421 μg/mL.Strains h28(EC501.070 μg/mL) from Jixi,Heilongjiang was the most sensitive to the fungicide,but h40(EC501.517 μg/mL) from Ning′an,Heilongjiang was strain of the lowest sensitivity.The sensitivity baseline of Pst strains to streptomycin·saikuzuo was determined as 1.421 μg/mL,which could be used for monitoring resistance of Pst strains to the fungicide.There was no resistance of Pst strains to the fungicide.

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