烟草种质资源的遗传多样性研究

种质资源内蕴含着极其丰富的遗传变异和各种性状的有利基因,它是人类用以选育新品种和发展农业的物质基础,也是生物学研究的重要材料。烟草种质资源对烟草遗传育种工作意义重大。对烟草种质资源的拥有数量,以及对其特征特性、遗传规律和遗传多样性的研究程度,直接影响烟草育种工作成效大小。从烟草种质资源的搜集、分类、遗传多样性的研究方法及现状等方面综述了烟草种质资源遗传多样性的研究进展并展望其前景,提出了改善烟草种质资源现状的建议。

Research on Genetic Diversity of Tobacco Germlasm Resource

Germplasm resource has a wealth of genetic variation and favorable genes.It is the material base of breeding and agricultural development,and the most important material of biology research.Tobacco germlasm resource is very significant for tobacco breeding.The quantity of germlasm resource and researching on genetic diversity had effect on tobacco breeding.Summarized the research achievement in the collection of tobacco germplasm resource,method of researching on genetic diversity and its present situation,...