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当前位置: 首页 > 文章 > 大豆种间杂交主要农艺性状和蛋白质含量的遗传变异研究 大豆科学 1989 (1) 1-10
Position: Home > Articles > INHERITANCE OF AGRONOMIC CHARACTERS OF INTERSPECIFIC CROSSES AND CONTAIN PROTEIN IN SOYBEANS Soybean Science 1989 (1) 1-10

大豆种间杂交主要农艺性状和蛋白质含量的遗传变异研究

作  者：
张国栋;王金陵;孟庆喜;杨庆凯;吴忠璞;高凤兰
单  位：
东北农学院
关键词：
Glycine max;G. gracilis;G. soja;分离基因效应;回交
摘  要：
本文对大豆种间杂交(Glycine max (L) Merril×G. soja Sieb. and Zucc., G. max×G.gracilis Skvok Tzow)后代的性状表现及基因效应进行了研究,并初步分析了以栽培大豆为轮回亲本的回交效应。结果表明:F_1代育性不完全正常。上位性基因效应是普遍存在的、不可忽视的重要遗传组成成分。种间杂交后代分离广泛,类型丰富。利用野生资源成败的关键在于亲本选配。回交是利用野生资源的一条有效途径。半野生大豆的价值不容忽视。
译  名：
INHERITANCE OF AGRONOMIC CHARACTERS OF INTERSPECIFIC CROSSES AND CONTAIN PROTEIN IN SOYBEANS
作  者：
Zhang Guodong Wang Jinling Meng Qiagxi.. Yang Qinekai Wu Zhongpu Gao Fenglan(Northeast Agricultural College)
关键词：
Glycine max, Glycine gracilis, G. soja, segregation, Gene effects, Backcross
摘  要：
An attempt was made to investigate the variation, segregation and gene effect of some agronomic characters of interspecific crosses in soybeans (Glycine max x G. soja, G. max x G, gracilis). Effect of backcrossing with cultivated soybean as recurrent parent was analysed in order to find out reasonable and effective methods for utilizing wild and semi-wild soybean germplasms.Parsnts (Pw, Pc) and F1, F2, F3, Bw, Bc, BF2 generations of two G, max x G. sofa crosses and four G, max x G, gracilis crosses were investigated in the present study. The results show that F1 generation is not completely fertile; epistatic gene effect is a common existing and important genetic component. There exists a wide range of variation of the characters studied in F2 and F3 generations so that in interspecific crosses potential of selection for new types is high. The key point in utilizing wild and semi-wild soybean germplasms lies on choosing appropriate parental materials for crossing.Backcrossing is an effective method to utilize wild and semi-wild soybean germplasms. But backcrossing induces reduction of protein content, so it is not proper to take too numerous cycles of backcrossing. If suitable parents are used, it is possible to abtain an ideal type through one or two cycles of backcrosses in G.max x G. soja crosses, and one or even no backcross in G, max x G. gracilis crosses.From a long-term point of view, the high protein content and some other desirable characters of wild soybeane (G. soja) are very valuable. At present, however, it seems more effective and more rapid to use semi-wild soybeans (G. gracilis) as parental materials to develop new lines or cultivars.

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