多效唑(PP333)是一种植物生长延缓剂,在园艺植物上的应用非常广泛。PP333可明显促进草坪草的分蘖,控制果树枝梢生长及矮化、促进花芽分化、增加花量,还可增加花卉植物叶绿素含量,促进根菜类蔬菜增产、叶菜类蔬菜延后花期。本研究总结了PP333在园艺植物上的应用,并提出PP333使用过程的注意事项。
Paclobutrazol(PP333) was a sort of plant growth retardants,which was widely used in horticultural plants.PP333 can apparently increase breed of lawn grass,control shoot growth of fruit tree and dwarf it,stimulate buds differentiation and increase buds amount.Besides,PP333 can increase chlorophyll content in flower plants,promote the productivity in root vegetables,delay flower blossoming of leaf vegetables.This article summarized the application of PP333 in horticultural and put forward the precautious during the use of PP333.