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Most of the supernodulating soybean lines were agronomically inferior to conventional genotypes. Our previous tests with ‘En6500’, a supernodulating mutant derived from a variety ‘Enrei’, revealed tha...
Supernodulating soybeans, having several times more nodules than normal genotypes, are expected to produce higher dry matter and grain yields through a higher nitrogen fixation potential. However, the...
Supernodulating soybean lines have more than several times as many nodules as normal cultivars. They are expected to have high nitrogen-fixing ability and enhanced productivity, but their yields have...
In soybeans, increase in the dry weight of seed (IWS) during the seed-filling period (SFP) is nearly half that of the whole plant (IWP). Hence, the contributions of assimilate during SFP to seed growt...
The bleeding rate from the stem cut end is considered to reflect the root physiological activity since the bleeding is caused by the active water absorption by root. We analyzed factors affecting the ...
To investigate the possibility of estimating symbiotic nitrogen fixation through the measurements of dry matter production and evapotranspiration, we grew two isogenic lines of soybeans, non-nodulati...
利用中国秋大豆(Glycine max(L.) Merr)筛选SSR核心位点的研究。
以不同来源大豆种质为材料进行基因组SSR分析,探讨大豆遗传多样性研究方法,旨在为科学评价大豆种质资源提供参考。当取样比例相同时,湖北大豆的遗传丰富度显著高于湖南大豆,但两省大豆遗传多样性指数之间没有显著差异。当取样量相同时,利用随机取样法比较,湖南大豆的遗传多样性显著高于湖北,而利用聚类取样比较,两省大豆的遗传多样性没有显著差异。在遗传多样性指数相同情况下,湖北大豆的遗传丰富度显著高于湖南大豆。取...
The random amplified polymorphic DNA (RAPD) technique was used to evaluate both genetic diversity among 19 soybean accessions included in the Czech National Collection of Soybean Genotypes and their p...
选择中国秋大豆为试验材料,对基因组DNA进行SSR标记筛选和鉴定。经过 2 0 0个位点在琼脂糖胶上初筛和 96个位点在变性聚丙烯酰胺胶上复鉴 ,选出 6 0个位点,这些位点具有以下特点 :(1)分布在大豆 2 0个整合遗传连锁群 ,相邻位点间平均遗传距离在 5 0cM左右。除连锁群C2 、O上分别有 5个位点 ,G、K、M上分别有 2个位点外 ,其余 15个连锁群均分布有 3个位点 ;(2 )与...

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