Effect of NaCl Stress on the Content of Osmotic Regulation Substances in Glycine soja and Glycine max(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2011年05期

Page:

786-789

Research Field:

Publishing date:

Info

Title:

Effect of NaCl Stress on the Content of Osmotic Regulation Substances in Glycine soja and Glycine max

Author(s):

ZHENG Shi-ying¹; ZHENG Jian-feng²; ZHANG Xiu-ling¹; LI Yan¹

1.Department of Biology，Dezhou University；

2.Department of Economics and Management,Dezhou University，Dezhou 253023，Shandong，China

Keywords:

NaCl stress; Glycine soja; Glycine max; Osmotic regulation substances

PACS:

S565.1

DOI:

10.11861/j.issn.1000-9841.2011.05.0786

Abstract:

The salt tolerance of wild(Glycine soja)and cultivated soybean(Glycine max)were investigated through sand culture method.The content of soluble sugars,proline and soluble proteins in soybean leaves and the content of Na+and K+ of above-ground organs and roots were measured under different NaCl concentrations(0-200 mmol·L^-1).With the increasing of NaCl concentration，soluble sugar and proline content gradually increased,while soluble protein first increased and then decreased in the wild soybean;for cultivate soybean,proline content gradually increased,while soluble sugars and proteins increased first and then decreased.The Na+ content of above-ground organs and roots of two kinds of soybeans increased,while K+ content decreased with the NaCl stress rising.It demonstrated that both wild and cultivated soybeans could resist NaCl stress through osmotic regulation,the osmotic adjustment ability of wild soybean was better than cultivated soybean.

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