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Articles

Genetic structuring in wild populations of two important medicinal plant species as inferred from AFLP markers

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Pages 1088-1100 | Received 15 Feb 2017, Accepted 14 Dec 2017, Published online: 24 Jan 2018
 

Abstract

Systematic analysis of germplasm diversity and genetic relationship among cultivars is critical for development of appropriate conservation and breeding strategies. This approach has been applied to gain an insight about the molecular variance that exists in wild population of two important medicinal plant species of India that have a long history of therapeutic usage in herbal medicine. Adhatoda vasica and Andrographis paniculata, members of the family Acanthaceae, have wide geographical and climatic distribution across India suggesting a large amount of genetic diversity available for resource management and breeding programs. In this study we have assessed the genetic diversity of both these species distributed in five varied geo-environmental regions, using Amplified Fragment Length Polymorphism (AFLP) fingerprinting with selected primer combinations and statistical analysis. Cluster analysis and analysis of molecular variance also suggested a very high genetic variation. Detailed analyses of the results predict that the genetic variation found in A. vasica was more discrete that reflected strongly in the populations studied, whereas the genetic variation in A. paniculata was relatively uniform. Considering significantly large sample size and distinctive characteristics of the selected populations, this work contributes valuable insights that can be used to engineer conservation and utilization strategies for these species.

Acknowledgments

We also wish to thank and Industrial Commissionerate, Government of Gujarat, Gujarat for their support to carry out this work. No conflict of interests declared.

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