申请人:Bayer Aktiengesellschaft
公开号:US04076517A1
公开(公告)日:1978-02-28
Plant growth is regulated, e.g., inhibited, by applying to a plant or its habitat a composition containing as an active ingredient a phospholenium salt of the formula ##STR1## in which R.sup.1 is alkyl, substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl, aralkyl substituted in the aryl part, alkoxy, substituted alkoxy, alkylthio or substituted alkylthio, R.sup.2 is alkyl, substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aralkyl substituted in the aryl part, Y is a chain of the structure --CH.sub.2 --CH.dbd.CH--CH.sub.2 -- or CH.dbd.CH--CH.sub.2 --CH.sub.2 -- which can be substituted by at least one of halogen and alkyl, and A.sup.- is one equivalent of an anion of a non-phytotoxic acid, In admixture with a solid or liquefied gaseous diluent or carrier or in admixture with a liquid diluent or carrier containing a surface-active agent.
植物生长受到调节,例如通过施加含有磷脒盐的组合物来抑制植物或其栖息地的生长。其中所述磷脒盐的活性成分的化学式为##STR1##其中,R.sup.1是烷基,取代烷基,烯基,炔基,环烷基,芳基烷基,芳基烷基在芳基部分取代,烷氧基,取代烷氧基,烷硫基或取代烷硫基;R.sup.2是烷基,取代烷基,烯基,炔基,环烷基,芳基烷基或芳基烷基在芳基部分取代;Y是结构为--CH.sub.2 --CH.dbd.CH--CH.sub.2 --或CH.dbd.CH--CH.sub.2 --CH.sub.2 --的链,可以被卤素和烷基中的至少一个取代;A.sup.-是非植物毒性酸的阴离子的一个当量。与固体或液化气体稀释剂或载体混合,或与含有表面活性剂的液体稀释剂或载体混合。