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Salt Tolerance Selection of Ten Soybeans in Germination Period(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年05期
Page:
837-841
Research Field:
Publishing date:

Info

Title:
Salt Tolerance Selection of Ten Soybeans in Germination Period
Author(s):
LIU Tai-lin1; YANG Jing-hui1; MU Jun-li2; ZHANG Wei-yu3; HA Ling-jin4; GUI Yu1; ZHU Wen-bi4; DU Chang-cheng5; CHEN Yue5
1. Department of Horticulture，Tianjin Agricultural College，Tianjin 300384；
2.College of Horticulture，Northwest A & F University，Yangling，Shannxi 712100；
3.Department of Mechanical & Electrical Engineering，Tianjin Agricultural College，Tianjin 300384；
4.Central Laboratory of Tianjin Agricultural College，Tianjin 300384；
5.Tianjin Forestry Bureau，Tianjin 300384，China
Keywords:
Soybean varieties; Salt-tolerance concentration; Semi-lethal salt concentration; Limit salt concentration; Salt tolerance
PACS:
S529
DOI:
10.11861/j.issn.1000-9841.2009.05.0837
Abstract:
To study the salt tolerance of soybean in germination period.Seeds of ten soybean varieties were treated with different concentration of NaCl solution(3，6，9，12，15 and 18 g.L-1，respectively），the germanation related indexes such as germination rate(GR)，relative germination rate(RGR)，germination potential(GP)，and relative radicel length(RRL)were calculated.The salt-tolerance concentration，semi-lethal salt concentration，limit concentration of salt tolerance and the membership function of each indicator were analyzed.With the increasing of NaCl concentration，all the indicators declined and the differences between varieties were obvious.When NaCl concentration increased to 9 g.L-1，all varieties differenced most in GP and GR.The RRL among varieties varied most in the salt concentration 12 g.L-1.Suinong 10 had highest salt-tolerance concentration of 12 g.L-1NaCl，followed by Kangxian 4 and Feilong 1 (9 g.L-1).Suinong 10 also had highest limit concentration of salt tolerance of 18 g.L-1.NaCl.Comprehensive analysis of the membership function indicators of ten varieties showed the salt tolerance strength was in the order：Suinong 44>Kangxian 4>Fengdou 1>Longxuan1>Hefeng 55>Feilong 1>Kenfeng 16>Suinong 14>Heinong 48>Heinong 44.

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Last Update: 2014-09-15