| 镉胁迫对小麦种子萌发和幼苗生长的影响 |
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| 引用本文： | 樊明琴,李焰焰,苗杰,于海洋.镉胁迫对小麦种子萌发和幼苗生长的影响[J].安徽农业科学,2010,38(26):14239-14241. |
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| 作者姓名： | 樊明琴 李焰焰 苗杰 于海洋 |
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| 作者单位： | 阜阳师范学院生命科学学院,安徽阜阳,236041;阜阳师范学院生命科学学院,安徽阜阳,236041;阜阳师范学院生命科学学院,安徽阜阳,236041;阜阳师范学院生命科学学院,安徽阜阳,236041 |
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| 基金项目： | 国家科技支撑计划项目，安徽省教育厅自然科学研究项目 |
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| 摘 要： | 以新麦18为材料,研究不同浓度Cd2＋对其种子萌发和幼苗生长的影响。结果表明,低浓度（2mg/L）Cd2＋可促进小麦种子萌发,而高浓度Cd2＋对小麦种子萌发具有抑制作用。随着Cd2＋处理浓度的升高,小麦幼苗叶绿素含量下降,超氧化物歧化酶（SOD）、过氧化物酶（POD）活性升高。但随着Cd2＋处理时间的延长,小麦幼苗SOD、POD活性下降,丙二醛（MDA）和脯氨酸（Pro）含量上升。
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| 关 键 词： | 镉 小麦 叶绿素 SOD POD MDA |
Influences of Cd2+ Stress on Seed Germination and Seedling Growth of Wheat |
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| Institution: | FAN Ming-qin et al(School of Life Sciences,Fuyang Normal College,Fuyang,Anhui 236041) |
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| Abstract: | With Xinmai 18 as the material,the influences of Cd2+ with different concns.on seed germination and seedling growth of it were investigated.The results showed that Cd2+ with low concn(2 mg/L).could improve seed germination of wheat,while Cd2+ with high concn.had inhibition on seed germination of wheat.With the increase of Cd2+ concn.,the content of chlorophyll in leaves of wheat seedlings was reduced and the activities of SOD and POD were increased.But with the delay of treating time by Cd2+ Stress,the activities of SOD and POD in wheat seedling were decreased and the contents of MDA and Pro were increased. |
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| Keywords: | Cd2+ Wheat Chlorophyll SOD POD MDA |
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