| abstract |
The present invention relates to a highly safe crop plant herbicidal composition capable of controlling problem weeds in, for example, rice fields, mountainous and non-agricultural fields, over a wide range from pre-emergence to postemergence. the herbicidal composition comprising the following component which is at least one selected compound of isoxazoline derivatives of the formula ie their salts, and the following component b as active ingredients: component a: wherein each of r1 and r2 independently of each other is a hydrogen atom, C1-C10 alkyl, C3-C8 cycloalkyl or C3-C8 cycloalkyl C1-C3 alkyl, each of R3 and R4, independently of each other, is a hydrogen atom, a group C1-C10 alkyl , a c3 -C8 cycloalkyl group, or r1, r2, r3 and r4 may form a 5 to 8 membered ring together with the carbon atoms to which they are attached, each of r5 and r6 which are independent of each other. another is a hydrogen atom or a C1 -C10 alkyl group, y is a 5- or 6-membered heterocyclic aromatic or aromatic fused heterocyclic group having an optional heteroatom selected from nitrogen, oxygen and sulfur atoms. component b: imazaquine, diurone, sulfentrazone, sulcotrione, norflurazone, clomazone, dimethenamid-β, prosulfocarb, isoproturone, trifluralin or trialate. |