Results It was investigated the genetic resources of Pueraria DC.

结果通过对息烽县的葛属植物的种质资源调查发现；

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Genomic DNA of mature leaf in pueraria DC is extracted in SDS method. And the DNA is purified with DNA gel Extraction kit.

采用SDS裂解法提取了葛属植物成熟叶片的基因组dna，并利用凝胶纯化试剂盒进行了纯化。

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OBJECTIVE To discuss the taxonomic status of Pueraria lobata and its sibling species DC. in China, and to provide DNA molecular markers for authenticating the Chinese crude drug Gegen.

目的探讨中药葛根及其近缘种的分类地位及系统发育关系，同时为葛根的指纹图谱鉴别提供分子标记。

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