镉对水稻种子萌发的影响

被引:56
作者
曾翔 [1 ]
张玉烛 [1 ]
王凯荣 [2 ]
李小湘 [1 ]
段永红 [1 ]
谢建红 [1 ]
张岳平 [1 ]
屠乃美 [3 ]
机构
[1] 湖南省水稻研究所
[2] 青岛农业大学农业生态与环境健康研究所
[3] 湖南农业大学农学院
关键词
水稻; Cd; 种子; 萌发;
D O I
10.13287/j.1001-9332.2007.0277
中图分类号
X173 [环境植物学];
学科分类号
摘要
以不同类型的319个水稻品种为研究对象,研究了10mg·L-1Cd2+处理对水稻种子萌发的影响.结果表明:Cd2+对种子发芽率影响较小,对根系生长的影响显著,且大于对芽生长的影响;不同类型水稻种子萌发对Cd的响应差异较大,敏感顺序为粳稻>籼稻>杂交稻;两系不育系根系长度和根系数量受Cd的抑制程度显著高于三系.应用快速聚类方法,可以将参试品种划分为耐受型、中间型和敏感型3种不同的敏感类型.
引用
收藏
页码:1665 / 1668
页数:4
相关论文
共 5 条
[1]  
Genetic variability in tolerance to cadmium and accumulation of heavy metals in pea (<Emphasis Type="Italic">Pisum sativum</Emphasis> L.).[J].A. A. Belimov;V. I. Safronova;V. E. Tsyganov;A. Y. Borisov;A. P. Kozhemyakov;V. V. Stepanok;A.M. Martenson;V. Gianinazzi-Pearson;I.A. Tikhonovich.Euphytica.2003, 1
[2]   Relative toxicity of arsenite and arsenate on germination and early seedling growth of rice (Oryza sativa L.) [J].
Abedin, MJ ;
Meharg, AA .
PLANT AND SOIL, 2002, 243 (01) :57-66
[3]   Physiological aspects of cadmium and lead toxic effects on higher plants [J].
Seregin, IV ;
Ivanov, VB .
RUSSIAN JOURNAL OF PLANT PHYSIOLOGY, 2001, 48 (04) :523-544
[4]   Uptake and effects of five heavy metals on seed germination and plant growth in alfalfa (Medicago sativa L.) [J].
Peralta J.R. ;
Gardea-Torresdey J.L. ;
Tiemann K.J. ;
Gomez E. ;
Arteaga S. ;
Rascon E. ;
Parsons J.G. .
Bulletin of Environmental Contamination and Toxicology, 2001, 66 (06) :727-734
[5]  
Monitoring of Phytotoxicity of Lead and Mercury from Germination and Early Seedling Growth Indices in Two Rice Cultivars.[J].Anita Mishra;M. A. Choudhuri.Water; Air; and Soil Pollution.1999, 3