|Table of Contents|

Effect of Salinities Stress on Seed Germination of Glycine.Soja(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年03期
Page:
461-466
Research Field:
Publishing date:

Info

Title:
Effect of Salinities Stress on Seed Germination of Glycine.Soja
Author(s):
ZHANG Xiu-ling
Department of Biology，Dezhou College，Dezhou 253023，Shandong，China
Keywords:
Annual wild soybean; Salt stress; Germination rate; Germination viability
PACS:
S565.1;S330.3+1
DOI:
10.11861/j.issn.1000-9841.2009.03.0461
Abstract:
Wild soybeans（Glycine soja)，the ancestors of cultivated soybean（Glycine max)，are important sources of major genes for resistance to pests，diseases and environmental stresses.The study of salt stress on the seed germination is invaluable for efficient utilization of saline-alkali soil resources and wild soybeans.Wild soybean，collected from Dezhou,Shandong province，were treated with NaCl，Na2SO4，Na2CO3and the mixture of three solutions.Seed germination percentage，viability，index and the growth of radicle and hypocotyl of annual wild soybean were measured and analyzed. Results showed seed germination percentage，germination viability，germination index and the growth of radicle and hypocotyl annual wild soybean reduced with increasing of salt concentrations of Na2CO3and the mixture.Low concentrations of Na2SO4 (10-50 mmolL-1)，Na2CO3(0-10 mmolL-1)promoted germination of seeds，while high concentrations of NaCl(>200 mmolL-1)，Na2SO4(≥200 mmolL-1）and Na2CO3(≥75 mmolL-1）restrained it.Under low concentration of salt solution（10 mmolL-1Na2SO4），the radicel length of Glycine soja was longer than that of the control(distilled water).Results suggest that lower concentration of salt solution simulated the growth of radicle and hypocotyl of wild soybean，and the radicle is more sensitive to salt stress than that of hypocotyl.

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Last Update: 2014-09-25