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技术，对48份不同类型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种质的难度较大，而在多倍体水平筛选水稻无融新种质已成为水稻无融研究新的长点。