| 沙生牧草和盐生牧草抗氧化特性比较 |
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| 引用本文： | 李志刚,张玉霞,董丽杰.沙生牧草和盐生牧草抗氧化特性比较[J].中国草地学报,2007,29(5):115-118. |
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| 作者姓名： | 李志刚 张玉霞 董丽杰 |
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| 作者单位： | 1. 内蒙古民族大学农学院,内蒙古,通辽,028042
2. 辽宁省农业科学院,辽宁,沈阳,110161 |
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| 摘 要： | 试验以在科尔沁沙地和盐碱地生长的羊草、芦苇、苔草、扁蓿豆四种多年生牧草为材料,检测其膜质过氧化程度和抗氧化酶活性。结果表明,盐碱地生境对四种牧草的伤害较沙地严重,四种牧草对两种逆境的适应表现是芦苇>羊草>苔草>扁蓿豆。由抗氧化酶活性测定可知,沙生牧草主要通过增强POD酶活性,盐生牧草主要通过增强SOD和CAT酶活性提高其抗氧化能力,四种牧草的抗氧化酶活性之间有明显的差异。
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| 关 键 词： | 沙生牧草 盐生牧草 膜脂过氧化 抗氧化酶 |
| 文章编号： | 1673-5021（2007）05-0115-04 |
| 修稿时间： | 2006-11-08 |
Comparison of Antioxidant Characteristics of Forage Grass in Sandy Land and Saline-alkali Land |
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| LI Zhi-gang,ZHANG Yu-xia,DONG Li-jie.Comparison of Antioxidant Characteristics of Forage Grass in Sandy Land and Saline-alkali Land[J].Chinese Journal of Grassland,2007,29(5):115-118. |
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| Authors: | LI Zhi-gang ZHANG Yu-xia DONG Li-jie |
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| Institution: | 1. Inner Mongolia University for Nationalities Tongliao 028042,China ; 2. Agricultural Institute of Liaoning Province , Shenyang 110161, China |
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| Abstract: | The physiological indexes of peroxided degree of membrane and activities of antioxidant enzymes in four kinds of perennial grasses(such as Leymus chinensis,Phragmites communis,Carex duriuscula,Melilotoides ruthenica) grown in salt-alkaline and sandy land of Herqin were determined.The results showed that: compared to sandy land,saline-alkali land seriously effected development of four kinds of forage grasses.The adaptation of two stresses on four kinds of forage grass was that Phragmites communis> Leymus chinensis>Carex duriuscula> Melilotoides ruthenica;as far as activities of antioxidant enzymes concerned,forage grasses in sandy land mainly enhanced activity of POD to improve their antioxidant ability,but forage grasses in saline-alkali land improved their antioxidant ability through increasing activities of SOD and CAT.And activities of antioxidant enzymes among four kinds of forage grasses had obvious differences. |
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| Keywords: | Forage grasses in sandy land Forage grasses in alkaline land Antioxidant enzyme |
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