LIU Jingya,LI Shaocai,SUN Hailong,et al.Effect of Paclobutrazol on Growth of Amorpha fruticosa[J].Northern Horticulture,2016,40(13):57-61.[doi:10.11937/bfyy.201613016]
多效唑对紫穗槐生长的调节效应
- Title:
- Effect of Paclobutrazol on Growth of Amorpha fruticosa
- Keywords:
- Amorpha fruticosa; paclobutrazol; growth effect; resistance
- 文献标志码:
- A
- 摘要:
- 以紫穗槐(Amorpha fruticosa)为试材，采用土施多效唑的方法，研究了不同浓度多效唑（10、50、100、150、200 mg?L-1）对紫穗槐生长的影响，以探究多效唑对紫穗槐的作用机制。结果表明：多效唑可有效地抑制紫穗槐的株高生长，增粗紫穗槐的基径，显著增加其可溶性糖和可溶性蛋白质含量，提高过氧化物酶（POD）活性，降低丙二醛（MDA）含量。表明多效唑可有效地改善紫穗槐的形态特征，通过改善其渗透调节能力、抗氧化性和光合物质等提高其抗性，采用隶属函数法对紫穗槐各项指标进行综合评价，得出150 mg?L-1多效唑处理效果最佳。
- Abstract:
- Taking Amorpha fruticosa as test material,using soil dressing,the effects of different dosage of paclobutrazol(10,50,100,150,200 mg?L-1)on growth of A.fruticosa were studied,to explore the effect mechanism of PP333 on A.fruticosa.The results showed that PP333 could effectively inhibit A.fruticosa plant height growth,increase its base diameter,the content of soluble sugar,soluble protein and the activity of POD were effectively increased,the content of MDA was effectively decreased.PP333 could effectively improve the morphological characteristics of A.fruticosa,by improving its osmotic adjustment ability,oxidation resistance and photosynthetic material,etc.,it also increased A.fruticosa resistance.Using the membership function method to evaluate the regulation effect of each treatment,150 mg?L-1 PP333 treatment had the best effect.
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备注/Memo
第一作者简介：刘静雅（1989-），女，河南周口人，硕士研究生，研究方向为生态与资源环境管理及屋顶绿化与植被恢复。E-mail：1172698503@qq.com.责任作者：孙海龙（1976-），男，黑龙江海林人，博士，讲师，现主要从事生态工程等研究工作。E-mail：gcl2006mz@126.com.基金项目：国家科技支撑计划资助项目（2013BAJ02B03）。