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份不同类型和地域烟草种质亲缘关系进行了分析。

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

恢复系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，在二倍体平上选育融和生殖种质难度较大，而在多倍体平筛选融和生殖新种质已成为融和生殖研究新生长点。