Phenylisoxazoline-based compound having herbicidal activity and use thereof

摘要

Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.

主权项

1. A method of selectively controlling grass weed, wherein the grass weed is Echinochloa crusgalli, Digitaria sanguinalis, Alopecurus myosuroides, Poa annua, the method comprising: treating with an ortho-substituted phenylisoxazoline-based compound represented by Formula I, or a racemate or enantiomer thereof:wherein, R1 indicates a C1 to C4 alkyl group, a halogen group, or a haloalkyl group; R2 indicates a hydrogen, a methyl group, or an ethyl group; and R3 and R4 each indicates a fluorine.