MA Chang-le,LI Jing,AO Xin-yu,et al.Study on Nitrogen Utilization of Several Aquatic Plants and Landscape Applicaion[J].Northern Horticulture,2012,36(14):84-87.
几种水生植物对氮素的利用及园林应用
- Title:
- Study on Nitrogen Utilization of Several Aquatic Plants and Landscape Applicaion
- 文章编号:
- 1001-0009（2012）14-0084-04
- Keywords:
- aquatic plants; nitrate-N; total nitrogen; nitrate reductase; garden landscaping
- 分类号:
- S 682.32
- 文献标志码:
- A
- 摘要:
- 对云南省广泛分布的金鱼藻（Ceratophyllum demersum）、微齿眼子菜（Potamogeton maackianus）、茭草（Zizania caduciflora）、菱角（Trapa japonica）、苦草（Vallisneria natans）5种水生植物进行了含水量、硝氮、总氮及硝酸还原酶活性测定和比较。结果表明：5种水生植物吸收利用氮素的能力存在差异，微齿眼子菜和金鱼藻对硝氮的吸收转化能力均较强，菱角对硝氮的吸收累积能力较强但是转化能力弱，环境中的氮素能明显增加茭草对硝氮的转化能力。根据不同植物对氮素利用能力的差异可将其合理的应用于园林造景中。
- Abstract:
- Nitrate-N,total-N,moisture content and nitrate reductase activity of five aquatic plants (Ceratophyllum demersum，Potamogeton maackianus，Zizania caduciflora，Trapa japonica，Vallisneria natans)，distributing widely in Yunnan Province，were measured and compared.The results showed the absorption and utilization of nitrogen ability of five aquatic plants existed difference.The Nitrate-N absorption and utilization ability of Nitrate-N by Potamogeton maackianus and Ceratophyllum demersum were higher among five aquatic plants.Absorption ability of Nitrate-N by Trapa japonica was high and the conversion ability was weak.Nitrogen of the environment could significantly increase nitrate-N transformation ability of Zizania caduciflora.Five aquatic plants could be reasonably applied to landscape design according to N utilization ability differences.
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备注/Memo
第一作者简介：马长乐（1976-），男，新疆昌吉人，博士，副教授，现主要从事园林植物研究工作。E-mail：machangle@sina.com.
责任作者：陈玉惠（1961-），女，云南昆明人，博士，教授，现主要从事植物生理生化研究工作。E-mail：chenyuhui@swfu.edu.cn.
基金项目：国家重点基础研究发展计划“973”前期研究专向资助项目（2010CB434807）。
收稿日期：2012-03-26