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大豆耐盐性遗传的研究
引用本文:邵桂花,闫淑荣,常汝镇,陈一舞.大豆耐盐性遗传的研究[J].作物学报,1994,20(6):721-726.
作者姓名:邵桂花  闫淑荣  常汝镇  陈一舞
作者单位:中国农业科学院作物所、品种资源研究所,北京,100081
摘    要:利用耐盐品种与盐敏感品种配制杂交组合,根据后代耐盐性的分离表现,研究大豆耐盐性的遗传方式。耐盐×耐盐组合F1、F2及F3代仍表现耐盐;敏感×敏感组合F1、F2及F3代均表现对盐敏感;耐盐×敏感及其反交组合,F1代表现耐盐,F2代耐盐和敏感植株分离比率为3∶1。F2代耐盐株衍生的F3代品系中,纯合耐盐株系和耐盐性分离株系的

关 键 词:大豆(Glycien  max  (L.)  merr.),耐盐性,遗传
收稿时间:1993-03-05
修稿时间:1994-01-28

Study on Inheritance of Salt Tolerance in Soybean
Shao Gui-hua,Chang Ru-zhen Chen Yi-wu Yan Shu-rong.Study on Inheritance of Salt Tolerance in Soybean[J].Acta Agronomica Sinica,1994,20(6):721-726.
Authors:Shao Gui-hua  Chang Ru-zhen Chen Yi-wu Yan Shu-rong
Affiliation:Institute of Crop Breeding and Cultivation Institute of Crop Germplasm Resources, CAAS, Beijing 100081,China
Abstract:Crosses were made with salt tolerant and salt sensitive soybean varieties to study the inherit-ance of salt tolerance. The results indicated that the F1, F2 and F3 were all salt tolerant when both parents were salt tolerant; they were all sensitive when both parents were sensitive. When a salt tolerant variety was crossed with a sensitive one, or vice versa the F1 was salt tolerant; the F2 segrigated in a 3 s. t: l s ratio; the F3 lines from salt tolerant F2 plants in a 1 homogeneous s. t: 2 segregating ratio, and lines from sensitive F2 plants were all sensitive. In backcross progenies with sensitive varieties as the recurrent parents, the segrigating ratio was always l s. t: l s. Thus, the results indicated that the salt tolerance of soybean is controlled by one pair of dominant genes in the nucleus where salt tolerance is dominant to sensitiveness.
Keywords:Soybean (Glycine max)  Salt tolerance  Inheritance
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