[1]韩 鹰,朱旭东,邓 鹏,等.路易斯安娜鸢尾对镉的积累特性及对矿质元素吸收的影响[J].北方园艺,2015,39(11):65-70.[doi:10.11937/bfyy.201511017]
　HAN Ying,ZHU Xu-dong,DENG Peng,et al.Accumulation Characteristics of Cd and Influences of Mineral Elements Absorptionin in Iris hexagona[J].Northern Horticulture,2015,39(11):65-70.[doi:10.11937/bfyy.201511017]
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路易斯安娜鸢尾对镉的积累特性及对矿质元素吸收的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第39卷 期数: 2015年11 页码: 65-70 栏目: 出版日期: 2015-06-15
Title:
Accumulation Characteristics of Cd and Influences of Mineral Elements Absorptionin in Iris hexagona
文章编号:
1001-0009(2015）11-0065-06
作者:
韩 鹰1; 朱旭东1; 邓 鹏2; 陈 刚2
1.苏州农业职业技术学院 园艺科技学院，江苏 苏州 215008；2.扬州大学 生物科学与技术学院，江苏 扬州 225009
Author(s):
HAN Ying1; ZHU Xu-dong1; DENG Peng2; CHEN Gang2
1.College of Horticulture Science and Technology，Suzhou Polytechnic Institute of Agriculture，Suzhou,Jiangsu 215008；2.College of Bioscience and Biotechnology,Yangzhou University，Yangzhou,Jiangsu 225009
关键词:
路易斯安娜鸢尾; 镉(Cd）; 矿质元素; 吸收; 积累
Keywords:
Iris hexagona; cadmium(Cd）; mineral elements; absorption; accumulation
分类号:
S 682.1+9
DOI:
10.11937/bfyy.201511017
文献标志码:
A
摘要:
以路易斯安娜鸢尾为试材，进行溶液培养，采用原子吸收法以及环境扫描电子显微镜和Ｘ射线电子探针的方法，研究了0、100、500 μM Cd浓度处理对路易斯安娜鸢尾Cd、N、P、K、S等元素的吸收和积累特性的影响。结果表明：叶和根中Cd含量均随着Cd处理浓度的增加而增加，叶的N含量呈明显的下降趋势。根的Cd积累量显著高于叶，基部茎节是Cd积累的主要场所。经Ｘ射线电子探针分析，Cd胁迫显著抑制路易斯安娜鸢尾K的吸收，显著增加S的地上部运输，高浓度Cd处理进一步影响P的吸收。
Abstract:
aking Iris hexagona as test material,solution culture under 0，100，500 μM Cd treatment was cultivated.The absorption and accumulation characteristics of Cd，N，P,K,S in Iris hexagona were analysed by the methods of atomic absorption spectrometry，environmental scanning electron microscope and X-ray electron probe microanalysis.The results showed that the content of Cd in leaves and roots were increased along with the increase of Cd concentration while N content in leaves was decreased.Cd accumulation in roots was significantly higher than that in leaves and the basal stem section was the main site for Cd accumulation.X-ray electron probe microanalysis indicated that the absorption of K was significantly inhibited and up-transportation of S was increased obviously under Cd stress in Iris hexagona.The absorption of P was further affected by high Cd concentration.

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备注/Memo

第一作者简介：韩鹰(1972-），女，江苏太仓人，硕士，副教授，现主要从事园艺植物栽培生理等研究工作。E-mail：hygfx@126.com.  基金项目：江苏省科技支撑计划资助项目(BE2010337）；苏州市科技计划资助项目(SN201009）；苏州农业职业技术学院科研基金资助项目(200801）。

更新日期/Last Update: 2015-08-06