种质的

Phylogenesis of 48 tobacco germplasms from different countries or regions was analyzed with amplified fragment length polymorphism (AFLP).

要利用AFLP技，48不同类型和地域来源的烟草种质的亲缘关系进行了分析。

The r-line idioplasm mainly is the kaoliang and trend kaoliang type.

恢复系的种质主要是中国高粱和倾中国高粱类型。

Abstract : It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices.

要 ： 目前，在二倍体水平上选育水稻无融和生殖种质的难度较大，而在多倍体水平筛选水稻无融和生殖新种质水稻无融和生殖研究新的生长点。