多效唑和矮壮素对中国水仙矮化的影响

Dwarfing Effects of Paclobutrazol(PP333)and Chlormequat Chloride（CCC） on Narcissbius tazetta

采用2种生长延缓剂多效唑(PP333)和矮壮素（CCC）各5个浓度梯度对中国水仙鳞茎球根部进行处理,以清水为对照比较其矮化效应。试验结果表明:PP333和CCC能有效抑制中国水仙的生长和开花,且不同浓度的PP333和CCC处理效果有差异,以50 mg·L-1的PP333和100 mg·L-1的CCC对水仙矮化的综合效应最佳,使水仙叶片的长度和花葶的高度明显降低,可防止其倒伏,且一定程度上提高了观赏效果。

Dwarfing effects of two growth retardants paclobutrazol(PP333) and chlormequat（CCC） on Narcissus tazetta were studied and water was used as control.The experiment result showed:PP333 and CCC inhibited vegetative growth and blooming of Narcissbius tazetta effectively,50 mg·L-1 of PP333 and 100 mg·L-1 of CCC had comprehensive effects and 50 mg·L-1 of PP333 was the best for the dwarfing. The length of leaf and scape was descended obviously and ornamental value was improved to a certain extent.