目的对小花鬼针草染色体核型等进行研究，为研究该种鉴定、起源、演化、良种培育等提供必要的细胞学资料。

OBJECTIVE To study the evolution, identification and fine seeds selection through Bidens parviflora chromosome number, karyotype and volume.

youdao

目的对小花鬼针草染色体核型等进行研究，为研究该种鉴定、起源、演化、良种培育等提供必要的细胞学资料。

OBJECTIVE To study the evolution, identification and fine seeds selection through Bidens parviflora chromosome number, karyotype and volume.

youdao