Isozymic Evidence For The Common Origin Of Diplazium
Species Confined To South India And Sri Lanka
 

M.Johnson^1*, V.Irudaya Raj², D.Rajkumar^2
1Department of Plant Biology and Plant Biotechnology, St. Xavier’s College (Autonomous),
Palayamkottai, Tamil Nadu, (INDIA)
²Department of Botany, St. Andrew’s College, Gorakhpur-273 001, (INDIA)

The present study was aimed to illustrate the isozymic evidence for the common origin of Diplazium species confined to South India and Sri Lanka. The standard technique of vertical poly acrylamide gel electrophoresis was employed to demonstrate the banding profile and the gels were stained for isoperoxidase enzyme system. A total of 30 bands in twenty five different positions with seven activity regions were observed in the isoperoxidase enzyme system of Diplazium. Maximum degree of diversity has been observed in D. travancoricum with the presence of fourteen bands, followed by D. polypoides with nine bands, in contrast D. cognatum and D. dilatum have only four bands and two bands respectively.