[1]汪艳杰,胡志辉.Cd胁迫对豆科作物生理特征的影响[J].北方园艺,2019,43(07):44-48.[doi:10.11937/bfyy.20182722]
　WANG Yanjie,HU Zhihui.Effects of Cd Stress on Physiological Characteristics of Legumes[J].Northern Horticulture,2019,43(07):44-48.[doi:10.11937/bfyy.20182722]
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Cd胁迫对豆科作物生理特征的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 43卷 期数: 2019年07 页码: 44-48 栏目: 出版日期: 2019-04-15
Title:
Effects of Cd Stress on Physiological Characteristics of Legumes
作者:
汪艳杰1; 2; 胡志辉1; 2
（1.江汉大学 生命科学学院，湖北 武汉 430056；2.湖北省豆类（蔬菜）植物工程技术研究中心，湖北 武汉 430056）
Author(s):
WANG Yanjie1; 2; HU Zhihui1; 2
(1.College of Life Sciences，Jianghan University，Wuhan，Hubei 430056；2.Hubei Province Engineering Research Center for Legume Plants,Wuhan，Hubei 430056)
关键词:
豆科作物; 重金属; 镉; 生理响应
Keywords:
legume; heavy metals; cadmium; physiological response
DOI:
10.11937/bfyy.20182722
文献标志码:
A
摘要:
以2种四季豆品种（P6、P24）、2种菜用大豆品种（M4、M6）为试材，采用水培的方法研究了不同浓度的Cd2+对4种豆科作物的生理的影响，以期为豆科作物对重金属镉（Cd）的耐性机制研究提供参考依据。结果表明：在不同浓度的Cd溶液胁迫3周后，豆科作物植株的形态发生了明显的变化；随着Cd溶液浓度的增加，植株的根长、株高、鲜质量均会有一定程度的降低。植株的耐性指数降低，P24、P6、M6耐性指数与对照相比没有显著性差异，M4与M6的耐Cd能力高于P6与P24。植株株高与根长呈显著正相关，相关系数为0.58；与植株鲜质量呈极显著正相关，相关系数为0.77，植株的耐性指数与根长、株高、植株鲜质量没有显著性相关；此外，随着Cd胁迫的浓度的增加，叶绿素含量会降低。
Abstract:
Two kidney beans (P6，P24) and two vegetable soybeans (M4，M6) were used as test materials.The effects of different Cd2+ concentrations on the physiology of four kinds of legumes were studied with hydroponic method.With the increase of Cd concentration，the root length，plant height and fresh weight of the plant were reduced to some extent.The tolerance index of plants was reduced，and there was no significant difference of P24，P6，M6 compared with control，the Cd tolerance of M4 and M6 was higher than P6 and P24.Plant height was positively correlated with root length，correlation coefficient was 0.58.There was a very significant positive correlation with the fresh weight of the plant，with a correlation coefficient of 0.77.In addition，as the concentration of Cd stress increases，the content of chlorophyll decreased.

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备注/Memo

第一作者简介：汪艳杰（1983-），女，河北保定人，硕士，实验师，研究方向为植物生理生态。E-mail:yanjiebaoding@163.com.责任作者：胡志辉（1973-），男，湖北武汉人，本科，研究员，研究方向为植物生理生化遗传育种。E-mail:huzhihui@jhun.edu.cn.基金项目：湖北省自然科学基金面上资助项目(2016CFB651)；武汉市属高校产学研资助项目（CXY201801）。收稿日期：2018-11-01

更新日期/Last Update: 2019-04-30