申请人:Idemitsu Kosan Co., Ltd.
公开号:US05506194A1
公开(公告)日:1996-04-09
Pyrazole derivatives of the formula, ##STR1## (wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl group, each of R.sup.2, X.sup.1 and X.sup.2 is independently a C1-C4 alkyl group, R.sup.3 is hydrogen or a C.sub.1 -C.sub.4 alkyl group, m is an integer of 0 or 1, and n is an integer of 0, 1 or 2.) or salts thereof have high selectivity to corn, wheat and barley and can control grasses and broad-leaved weeds by any treatment of foliar treatment and soil treatment at a low dosage.
Pyrazole衍生物的化学式为,##STR1##(其中R.sup.1是C.sub.1 -C.sub.6烷基,R.sup.2,X.sup.1和X.sup.2中的每一个都是独立的C1-C4烷基,R.sup.3是氢或C.sub.1 -C.sub.4烷基,m是0或1的整数,n是0,1或2的整数。)或其盐具有高选择性对玉米、小麦和大麦,并可以通过叶面处理和土壤处理的任何处理方法以低剂量控制禾本科和阔叶杂草。