Open Access

ARTICLE

Relationships among six herbal species (Curcuma) assessed by four isozymes

Deng JB¹, CB Ding¹, L Zhang¹, YH Zhou², RW Yang¹

1 College of Biology and Science, Sichuan Agricultural University, 625014 Yaan, China.
2 Triticeae Research Institute, Sichuan Agricultural University, 611830 Wenjiang, China.

* Corresponding Author:Address Correspondence to: Dr. Yang Ruiwu. College of Biology and Science, Sichuan Agricultural University, 625014 Yaan, China, e-mail:

Phyton-International Journal of Experimental Botany 2011, 80(all), 181-188. https://doi.org/10.32604/phyton.2011.80.181

Abstract

Four isozymes, superoxide dismutase (SOD), polyphenol oxidase (PPO), malate dehydrogenase (MDH) and cytochrome oxidase (COD) were studied for identification of six herbal species (Curcuma L.). All the 37 study specimens produced a total of 168 polymorphism isozyme bands. The genetic distance coefficients (GS) varied from 0.08 to 0.54. The dendrogram, obtained according to the polymorphism isozyme bands by the UPGMA method with the software NTSYS–pc2.1, contributed to improve the resolution of phylogeny. From the dendrogram, it was possible to differentiate between the wild and cultivated specimens of C. longa, and within C. sichuanensis species.

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