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Analysis of genetic diversity in Pongamia [Pongamia pinnata (L) Pierrre] using AFLP markers
Journal article   Peer reviewed

Analysis of genetic diversity in Pongamia [Pongamia pinnata (L) Pierrre] using AFLP markers

M. Thudi, R. Manthena, S.P. Wani, L. Tatikonda, D.A. Hoisington and R.K. Varshney
Journal of Plant Biochemistry and Biotechnology, Vol.19(2), pp.209-216
2010
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Abstract

In recent years, Pongamia has been considered as important renewable source of biodiesel, however not much molecular information is available in this species. Molecular characterization of this legume tree will enhance our understanding in improving the optimal yields of oil through breeding and enable us to meet the future demands for biodiesel. To assess the molecular genetic diversity in 46 Pongamia pinnata accessions collected from six different states of India, amplified fragment length polymorphism (AFLP) marker system was employed. Five AFLP primer combinations produced 520 discernible fragments, of which 502 (96.5%) were polymorphic. AFLP primer informativeness was estimated evaluating four parameters namely polymorphism information content (PIC), effective multiplex ratio (EMR), marker index (MI) and resolving power (RP). In total, 51 unique fragments were detected of which 19 unique fragments were observed with primer combination E-ACG / M-CTA. Although neighbour joining (NJ) method did not group accessions strictly according to their region of collection, a good level of genetic diversity was observed in examined germplasm. However, accessions collected from Karnataka showed comparatively higher diversity than accessions from other states. The diverse accessions identified in this study may be useful in Pongamia pinnata improvement to meet the future demands of biodiesel.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
3 Agriculture, Environment & Ecology
3.4 Crop Science
3.4.96 QTL
Web Of Science research areas
Biochemistry & Molecular Biology
Plant Sciences
ESI research areas
Plant & Animal Science
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