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当前位置: 首页 > 文章 > 巨大芽胞杆菌E-1菌株对土壤氯嘧磺隆残留的降解效果 中国生物防治学报 2016,32 (5) 672-675
Position: Home > Articles > Degradation of Chlorimuron-ethyl in Soil by Bacillus megaterium E-1 Chinese Journal of Biological Control 2016,32 (5) 672-675

巨大芽胞杆菌E-1菌株对土壤氯嘧磺隆残留的降解效果

作  者：
包磊;谢明;张艳军;李丽;兰亚红;邱卫亮
单  位：
中国农业科学院植物保护研究所/植物病虫害生物学国家重点实验室
关键词：
巨大芽胞杆菌;氯嘧磺隆;生物降解;敏感作物;生物测定
摘  要：
采用玉米对氯嘧磺隆敏感的原理,测定巨大芽胞杆菌E-1对土壤氯嘧磺隆残留的降解能力。结果表明降解菌用量为300 m L菌液/kg土时,对玉米根长的修复率为18.31%~62.48%;降解菌用量30 m L菌液/kg土时的修复率为11.78%~49.72%;降解菌用量3 m L菌液/kg土时,施用降解菌的处理与不施菌处理之间无显著差异。
译  名：
Degradation of Chlorimuron-ethyl in Soil by Bacillus megaterium E-1
作  者：
BAO Lei;XIE Ming;ZHANG Yanjun;LI Li;LAN Yahong;QIU Weiliang;State Key Laboratory for Biology of Plant Diseases and Insect Pests/Institute of Plant Protection, Chinese Academy of Agricultural Sciences;
关键词：
Bacillus megaterium;;chlorimuron-ethyl;;bio-degradation;;sensitive crop;;bioassay
摘  要：
Based on maize sensitive to chlorimuron-ethyl, the degradability of Bacillus megaterium strain E-1 to chlorimuron-ethyl was investigated. The results showed that this bacterium could degrade all levels of chlorimuron-ethyl(2-50 μg/kg) when used with the concentration of 300 m L bacterial culture per kg soil. The recovery of maize roots was gradually declined along with the concentration increase of chlorimuron-ethyl. The highest recovery percentage of maize roots was 62.48% and the lowest was 18.31% when the dose of degrading bacteria was 30 m L/kg soil. Significant effects were observed in the degradation of chlorimuron-ethyl by bacteria, and the recovery percentage of maize roots was below to 50%. However, no significant differences were found between the treatments with and without bacteria when the dose of degrading barteria was 3 m L/kg soil.

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