Our investigation revealed significant variation in terms of RAPD, ISSR and SSR fingerprinting among the closely related species thought to be devoid of molecular variation (25) and thereby successfully drawing the interspecific phylogenetic relationships. The broad adaptation of some species of Cassia implies a large probability that nuclear DNA mutations occurred in the past. These resulted in diversification and genetic polymorphism in growth habit, vigor, and stem, leaf, seed, and pod characteristics and a physiological polymorphism, the water-use efficiency. Acknowledgments The authors are thankful to The Department of Science and Technology, Government of India for providing financial support (Sanction No. SR/FT/L-14/2003) and The Director, Regional Plant Resource Centre, Bhubaneswar for providing Laboratory facilities for this study.
Our investigation revealed significant variation in terms of RAPD, ISSR and SSR fingerprinting among the closely related species thought to be devoid of molecular variation (25) and thereby successfully drawing the interspecific phylogenetic relationships. The broad adaptation of some species of Cassia implies a large probability that nuclear DNA mutations occurred in the past. These resulted in diversification and genetic polymorphism in growth habit, vigor, and stem, leaf, seed, and pod characteristics and a physiological polymorphism, the water-use efficiency. Acknowledgments The authors are thankful to The Department of Science and Technology, Government of India for providing financial support (Sanction No. SR/FT/L-14/2003) and The Director, Regional Plant Resource Centre, Bhubaneswar for providing Laboratory facilities for this study.
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