申请人:NIHON NOHYAKU CO., LTD.
公开号:EP0787429A2
公开(公告)日:1997-08-06
A composition for regulating plant growth which comprises as an active ingredient(s) at least one 3-substituted phenylpyrazole derivative represented by the general formula (I):
[wherein R is -Y1 R3, -Y2CH(R4)CO-OR5, -COOCH(R4)CO-Y1 R5 or -COOR6 (wherein R3 = alkyl, haloalkyl, alkenyl or alkynyl, R4 = H or alkyl, R5 = H, alkyl, haloalkyl, alkenyl or alkynyl, R6 = alkyl, haloalkyl, alkenyl or alkynyl, Y1 = -O- or - S-, and Y2 is -O-, -S- or -NH-), R1 is a lower alkyl group, R2 is H, a lower alkyl group or a lower haloalkyl group, each of X1 and X2 is a halogen atom, Y is -O-, -S-, -SO-, -SO2- or -NH-, and n is 0 or 1], and acts as a desiccant or defoliant for root vegetables (e.g. potato), fiber crops (e.g. cotton), oil crops (e.g. soybean and sunflower) and cereals (e.g. rice); and a method for applying said composition.
一种调节植物生长的组合物,其活性成分包括至少一种由通式 (I) 代表的 3-取代苯基吡唑衍生物:
[其中 R 是 -Y1 R3、-Y2CH(R4)CO-OR5、-COOCH(R4)CO-Y1 R5 或 -COOR6(其中 R3 = 烷基、卤代烷基、烯基或炔基,R4 = H 或烷基,R5 = H、烷基、卤代烷基、烯基或炔基,R6 = 烷基、卤代烷基、烯基或炔基,Y1 = -O- 或 -S-,Y2 是 -O-、-S-或-NH-),R1 为低级烷基,R2 为 H、低级烷基或低级卤代烷基,X1 和 X2 各为卤素原子,Y 为-O-、-S-、-SO-、-SO2-或-NH-,n 为 0 或 1],可用作根茎类蔬菜(如马铃薯)、纤维类作物(如大豆、玉米、大豆油)的干燥剂或脱叶剂。如马铃薯)、纤维作物(如棉花)、油料作物(如大豆和向日葵)和谷物(如水稻)的干燥剂或脱叶剂;以及施用所述组合物的方法。