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Joint Toxicity Determination of Clopyralid,Picloram and Benazolin Mixtures on Broad-leaved Weed Lapsana apogonoides *** Rape Fields

作     者:Xiong LI Jingbo LI Huifang DENG Yunyun ZHOU Kaifa GUO Xiongmei ZHU Chenzhong JIN Guiying LIU 

作者机构:Key Laboratory of Harmless Application of Pesticide in Hunan Higher EducationHunan University of HumanitiesScience and TechnologyLoudi 417000China Collaborative Innovation Center for Field Weeds ControlHunan University of HumanitiesScience and TechnologyLoudi 417000China 

出 版 物:《Agricultural Biotechnology》 (农业生物技术(英文版))

年 卷 期:2021年第10卷第5期

页      面:56-57,97页

学科分类:090403[农学-农药学(可授农学、理学学位)] 09[农学] 0904[农学-植物保护] 

基  金:Double First-class Applied Characteristic Disciplines in Hunan Province(Plant protection) Excellent Agriculture and Forestry Talent Cultivation Project of Hunan Institute of Humanities,Science and Technology New Agricultural Science Research and Reform Practice Project in Hunan Province(XJT94) 

主  题:Clopyralid Picloram Benazolin Rape Weeds Joint toxicity 

摘      要:[Objectives]This study was conducted to investigate the compounding of three herbicides:clopyralid,picloram and benazolin,so as to improve the effectiveness of herbicides.[Methods]With Lapsana apogonoides *** the target and clopyralid,picloram and benazolin as the test agents,seven gradient concentrations were set up to determine the joint toxicity of the three agents.[Results]When the compounding ratio of picloram,clopyralid and benazolin was 2∶1∶6,the maximum co-toxicity coefficient was 290.0.[Conclusions]The compounding of picloram,clopyralid and benazolin has a significant synergistic effect on ***,which reduces production costs and environmental pressure,providing technical support for the effective control of broad-leaved weeds such as ***.

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