本文还指出罗伯逊变化在石蒜属核型演化中起了关键作用。
The Robertsonian change plays a key role in karyotype evolution of Lycoris.
但核型分析结果可为确定野生种分类地位、演化关系及为遗传育种工作提供细胞学依据。
The chromosome, s analysis is the cytology basis, for determining the systematic place of wild species, evolution and breeding.
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.
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.
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