| abstract |
herbicidal composition comprising r-pyridyloxycarboxylic acid and derivatives and an application thereof. the present invention pertains to the technical field of pesticides and particularly relates to a herbicidal composition comprising r-pyridyloxycarboxylic acid and derivatives and an application thereof. the composition comprises an active ingredient a and an active ingredient b in a herbicidally effective amount, wherein the active ingredient a is one or more compounds selected from an r-pyridyloxycarboxylic acid represented by formula i, and salts and ester derivatives thereof, in that R1, R2 each independently represents halogen, C1-C6 alkyl, C1-C6 haloalkyl or C3-C6 cycloalkyl; R3 represents hydrogen, halogen, C1-C6 alkyl or C1-C6 haloalkyl; q represents c1-c6 alkyl, etc.; y represents amino, etc.; active ingredient b is selected from the following one or more compounds or acid or salt or ester derivative 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 able to bring about a synergistic effect and remove resistant weeds. |