Effects of AM Fungi on Growth and Physiological Characters of Medicago sativa L. under NaCl Stress

LU Shuang; GUO Huan; WANG Shao-ming; ZHANG Xia

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Effects of AM Fungi on Growth and Physiological Characters of Medicago sativa L. under NaCl Stress

更新时间：2024-11-07

- Effects of AM Fungi on Growth and Physiological Characters of Medicago sativa L. under NaCl Stress
- Vol. 25, Issue 2, (2011)
- 作者机构：
  
  石河子大学生命科学学院,新疆,石河子,832000
- 作者简介：
- 基金信息：
- DOI：
  CLC： S567.7Q945.3Q945.1
- Published：2011
- 稿件说明：
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LU Shuang, GUO Huan, WANG Shao-ming, et al. Effects of AM Fungi on Growth and Physiological Characters of Medicago sativa L. under NaCl Stress[J]. 2011, 25(2).
DOI：

LU Shuang, GUO Huan, WANG Shao-ming, et al. Effects of AM Fungi on Growth and Physiological Characters of Medicago sativa L. under NaCl Stress[J]. 2011, 25(2). DOI：

摘要

利用盆栽试验研究了NaCl胁迫条件下AM真菌对紫花苜蓿(Medicago sativa L.)植株生长及生理特征的影响。结果显示:随土中加入NaCl浓度增高(0%

0.5%

1.0%)

与未接菌紫花苜蓿相比

接种AM真菌显著(P<0.05)促进紫花苜蓿生长

并使其可溶性糖、可溶性蛋白及根系脯氨酸累积量增加。1.0%NaCl接种AM真菌处理下根系鲜重(28.1 mg)为0%NaCl未接种下的1.27倍;不同盐处理接种AM真菌植株丙二醛含量均低于对照株;1.0%NaCl浓度下接种AM菌植株叶片及根系脯氨酸含量分别为对照株的0.82

1.41倍。表明AM真菌在胁迫环境下不仅可促进植株生长发育及渗透调节物质的积累

还可维持植物体丙二醛含量较低水平

降低植株遭受盐胁迫

推测叶片与根系脯氨酸对ABA依赖程度不同而导致其脯氨酸含量不同。

Abstract

The effects of AM fungi on the growth and physiological characters of Medicago sativa L.under NaCl stress were studied.Three NaCl treatments levels of 0%

0.5% and 1.0% were added to the soil for the potted plant.The results showed that application AMF influenced the growth of host plants(the height

P<0.05)

the soluble sugar

soluble protein and proline content in roots were all increased along with the heighten of NaCl levels.The fresh-weight of the host plants roots was 1.27 times more heavier than non-inoc...

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