OPTICAL ISOMER OF R-FORM OF DIPHENYL ETHER DERIVATIVE AND HERBICIDE CONTAINING THE SAME AS ACTIVE INGREDIENT

摘要

A herbicide containing an optical isomer of R-form of a diphenyl ether derivative represented by formula (I), which has a more excellent herbicidal activity with a smaller dose thereof than one containing the corresponding racemate. The use of the compound of formula (I) together with various herbicides known per se serves to improve the fast-acting property and widen the herbicidal spectrum with a small dose.