HERBICIDAL COMPOSITION CONTAINING R-TYPE PYRIDYLOXY CARBOXYLIC ACID DERIVATIVE AND USE THEREOF
申请人:Qingdao KingAgroot Chemical Compound Co., Ltd.
公开号:EP4005384A1
公开(公告)日:2022-06-01
The present invention belongs to the technical field of pesticides, and particularly relates to an herbicidal composition comprising R-pyridyloxycarboxylic acid and derivative and an application thereof. The composition comprises an active ingredient A and an active ingredient B in an herbicidally effective amount, wherein, the active ingredient A is one or more compounds selected from an R-pyridyloxycarboxylic acid represented by formula I and salt, ester derivative thereof,
wherein, R1, R2each independently represent halogen, C1-C6 alkyl, halo C1-C6 alkyl or C3-C6 cycloalkyl;
R3 represents hydrogen, halogen, C1-C6 alkyl or halo C1-C6 alkyl;
Q represents C1-C6 alkyl, etc.;
Y represents amino, etc.;
the active ingredient B is selected from the following one or more compounds or acid or salt or ester derivatives thereof, ALS inhibitor, ACCase inhibitor, PSII inhibitor, HPPD inhibitor, PDS inhibitor, DOXP inhibitor, PPO inhibitor, Synthetic hormone, EPSPS inhibitor, GS inhibitor, PSI inhibitor. The composition is capable of effectively controlling various weeds, and has the following advantages: exhibiting a broad spectrum of weed control, being used in a reduced dose, and being capable of bringing about a synergistic effect and removing resistant weeds.
本发明属于农药技术领域,尤其涉及一种由 R-吡啶氧羧酸及其衍生物组成的除草组合物及其应用。该组合物包括除草有效量的活性成分 A 和活性成分 B,其中,活性成分 A 是一种或多种选自式 I 所代表的 R-吡啶氧羧酸及其盐、酯衍生物的化合物、
其中,R1、R2各自独立地代表卤素、C1-C6烷基、卤代C1-C6烷基或C3-C6环烷基;
R3 代表氢、卤素、C1-C6 烷基或卤代 C1-C6 烷基;
Q 代表 C1-C6 烷基等;
Y 代表氨基等;
活性成分 B 选自下列一种或多种化合物或其酸或盐或酯衍生物、ALS 抑制剂、ACCase 抑制剂、PSII 抑制剂、HPPD 抑制剂、PDS 抑制剂、DOXP 抑制剂、PPO 抑制剂、合成激素、EPSPS 抑制剂、GS 抑制剂、PSI 抑制剂。该组合物能有效防除各种杂草,并具有以下优点:防除杂草谱广、使用剂量小、能产生增效作用和清除抗性杂草。