Research Article

Influence of NaCl and NaHCO3 upon Salix Sungkianica Seed Germination and Seedling Growth  

Shurong Ma , Qian Lu , Meijiao Zhang , Shenkui Liu
Alkali Soil Natural Environmental Science Center (ASNESC), Stress Molecular Biology Laboratory, Northeast Forestry University, Harbin, 150040, P.R. China
Author    Correspondence author
Molecular Soil Biology, 2015, Vol. 6, No. 2   doi: 10.5376/msb.2015.06.0002
Received: 13 Jan., 2015    Accepted: 20 Jan., 2015    Published: 23 Mar., 2015
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This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Ma et al., 2015, Influence of NaCl and NaHCO3 upon Salix Sungkianica Seed Germination and Seedling Growth, Molecular Soil Biology, 6(2): 1-6 (doi: 10.5376/msb.2015.06.0002)

Abstract

The present study used the seeds and newborn seedings of Salix sungkianica as material, examining the influence of NaCl and NaHCO3 solutions of different concentrations on the seed germination and anatomical structure of the roots and lamina of the seedings. The results indicate such facts: (1) The presents of NaCl and NaHCO3 have a depressant effect on the seed germination, while a light concentration of NaHCO3 could accelerate the sprout. (2) S.sungkianica seedings show strong endurance under the stress of 50 mmon/L NaCl and 10 mmon/L NaHCO3 solutions, the seedings growth are better in 10 mmon/L NaHCO3. (3) Under the stress of such solutions of high concentration, certain degrees of endurance also present in the roots and lamina, with the anatomical results like the thicken of root endodermis, the enlargement of vascular bundle in diameter, the vanish of aerenchyma tissures and the closure of lamina stoma.

Keywords
Salix sungkianica; Saline–alkali stress; Seed germination; Seeding growth; Anatomical structure
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