专利号:US-4040813-A 优先权日:1972-12-29 标 题:Plant regulator compositions based on 2-hydroxycycloalkyl quaternary ammonium compounds 发明人:NEWHALL WILLIAM F 权利人:FMC CORP 摘要:Novel compositions including alkyl(2-hydroxycycloalkyl)-dimethylammonium salts as an essential active ingredient provide a method of regulating development of plants without killing the plants. The synthesis of members of the class of active compounds is described, and the utility of representative compositions is exemplified.