来源于野生大豆的多小叶性状遗传分析(英文)  

Inheritance of a five leaflet character arising from wild soybean (Glycine soja Sieb. et Zucc.) in soybeans (G. max (L.) Merr.)

作　　者：王克晶[1] 李福山[1] 周涛[1] 许占有[1] 

机构地区：[1]中国农业科学院作物品种资源研究所,北京100081

出　　处：《大豆科学》2001年第1期22-25,共4页Soybean Science

基　　金：研究所内项目

摘　　要：本文通过杂交初步分析一个起源于野生大豆的多小叶性状。五叶大豆与 6个正常大豆配制 6个杂交组合 ,其中 5个 F2 分离群体产生带有主要的 3叶和 5叶 ,少数 4叶 ,个别 6叶或 7叶植株 ,3叶和 5叶 (包括其它多小叶 )表现为 3∶ 1分离 ;1个组合仅产生带有 5叶株和 3叶 ,表现为 6 4∶ 1分离。遗传分析显示 ,除了一个已知的 Lf1基因控制 5叶遗传外 ,可能还存在另外 2个控制 5叶的基因。 5叶多小叶性状基因对正常 3叶是不完全显性的 ,这 3个基因是独立遗传的 。The inheritance of a five leaflet mutation of soybeans originally inherited from the wild was studied using cross analysis. Six crosses were made between 'Five Leaf Bean' with the five leaflet trait and other 6 lines of normal leaves. F 2 plants of 5 crosses produced major three and five leaflet leaves and also some minor four six and seven multifoliolate leaves. There were two kinds of segregation ratios for major five leaflet (including other multifoliolate leaves) and trifoliolate characters in the F 2 progeny plants. Five crosses showed a goodness of fit to a 3∶1 ratio and one cross showed a satisfactory 63∶1 ratio. The cross analysis indicated that besides the Lf 1 gene controlling five leaflets, there could be other two newly found genes governing this trait. These three genes were independently genetic, incompletely dominant and effect-duplicated.

关 键 词：遗传分析 质量性状 大豆叶片 多小叶性状 

分 类 号：S565.1032[农业科学—作物学]