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.

摘要 ： 目前，在二倍体平上选和生殖种质的难度较大，而在多倍体平筛选和生殖新种质已成为和生殖研究新的生长点。

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

摘要利用AFLP技术，对48份不同类型和地域来源的烟草种质的亲缘关系进行了分析。