Methyl jasmonate alleviated salinity stress in soybean

被引：171

作者：

Ji Young Yoon

Muhammad Hamayun

Su-Kyung Lee

In-Jung Lee

机构：

[1] Kyungpook National University,School of Applied Biosciences, College of Agriculture and Life Sciences

来源：

Journal of Crop Science and Biotechnology | 2009年 / 12卷 / 2期

关键词：

Methyl jasmonate; salt stress; abscisic acid; gibberellins; photosynthesis; chlorophyll; proline;

D O I：

10.1007/s12892-009-0060-5

中图分类号：

学科分类号：

摘要：

We studied the role of methyl jasmonate (MeJA) in alleviating NaCl-induced salt stress on soybean growth and development in hydroponics medium. Soybean seedlings were exposed to 60 mM NaCl stress for 2 weeks, 24 h after the application of 20 and 30 µM MeJA. NaCl stress induced a significant reduction in plant growth, endogenous bioactive gibberellin (GA4), photosynthesis and transpiration rate, while a marked increase in the endogenous abscisic acid (ABA) and proline contents were recorded. MeJA application greatly mitigated the adverse effects of NaCl on soybean growth and endogenous hormones. MeJA significantly increased ABA levels, while the endogenous amount of GA4 was reduced by the application of NaCl. Our study revealed that MeJA counteracted the negative effects of NaCl stress on plant growth, chlorophyll content, leaf photosynthetic rate, leaf transpiration rate, and proline content.

引用

页码：63 / 68

页数：5

共 141 条

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