LIU Zi-ji,NIU Yu,CAO Zhen-mu,et al.Dwarfing Effect of Paclobutrazol on Pepper Seedlings[J].Northern Horticulture,2013,37(07):13-16.
多效唑对辣椒幼苗的矮化效应
- Title:
- Dwarfing Effect of Paclobutrazol on Pepper Seedlings
- 文章编号:
- 1001-0009(2013)07-0013-04
- Keywords:
- pepper; paclobutrazol; dwarfing effect; plant growth retardant
- 分类号:
- S 641.304+.3
- 文献标志码:
- A
- 摘要:
- 以“热辣1号”辣椒为试验材料，研究了不同浓度多效唑处理对辣椒幼苗质量及生理特性的影响，以期为采用多效唑调控辣椒幼苗生长及培育壮苗提供科学依据。结果表明：100~350 mg/L 15%多效唑可湿性粉剂喷施叶片均能有效降低辣椒幼苗株高，增加茎粗，减小叶面积，提高根冠比，同时显著提高SOD、POD活性。200 mg/L 15%多效唑是最适宜的喷施浓度，能达到培育壮苗的目的。
- Abstract:
- Taking ‘Rela No.1’ pepper seedlings as materials，different concentrations of paclobutrazol were adopted for analyzing the effect on the quality and physiological characteristics of ‘Rela No.1’ pepper seedlings.The results showed that 100～350 mg/L 15% paclobutrazol could effectively reduce plant height，increase stem diameter，reduce the leaf area，improve the root to shoot ratio，and significantly increase the activities of SOD and POD that were conducive to developing strong seedlings.200 mg/L 15% paclobutrazol was the most suitable concentration for developing strong seedlings.This study could provide scientific basis for regulating the growth of pepper seedlings and culturing strong seedlings through using paclobutrazol.
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备注/Memo
第一作者简介：刘子记（1982-），男，博士，助理研究员，研究方向为蔬菜分子生物学及遗传育种。E-mail：liuziji1982@gmail.com.