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湖北稻区白背飞虱田间种群已对噻嗪酮产生中等水平抗性
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湖北稻区白背飞虱田间种群已对噻嗪酮产生中等水平抗性
白背飞虱是水稻上的主要害虫之一,目前主要以化学防治为主。为指导田间合理用药,华中农业大学植物科学技术学院研究人员采用稻茎浸渍法,监测了2011—2014年采自湖北鄂州蒲团、鄂州长港、枝江问安和石首南口稻田的白背飞虱4个田间种群对11种杀虫剂的抗性情况。 结果表明,白背飞虱田间种群已对噻嗪酮产生中等水平抗性(抗性倍数RR=13.0~38.6倍);对吡虫啉处于敏感至中等的抗性水平(RR=2.6~15.4倍);对噻虫嗪(RR=2.1~6.9倍)、噻虫胺(RR=3.0~7.0倍)、呋虫胺(R...
Insecticides China News 201701 (Chinese version)
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