SHORT COMMUNICATION

SHORT COMMUNICATION: Do farmers reduce genetic diversity when they domesticate tropical trees? A case study from Amazonia

  1. P. M. HOLLINGSWORTH1,*,
  2. I. K. DAWSON2,
  3. W. P. GOODALL-COPESTAKE1,
  4. J. E. RICHARDSON3,
  5. J. C. WEBER2,*,
  6. C. SOTELO MONTES2,†,
  7. R. T. PENNINGTON1

Article first published online: 10 JAN 2005

DOI: 10.1111/j.1365-294X.2005.02431.x

Issue

Molecular Ecology

Molecular Ecology

Volume 14, Issue 2, pages 497–501, February 2005

Additional Information

How to Cite

HOLLINGSWORTH, P. M., DAWSON, I. K., GOODALL-COPESTAKE, W. P., RICHARDSON, J. E., WEBER, J. C., SOTELO MONTES, C. and PENNINGTON, R. T. (2005), SHORT COMMUNICATION: Do farmers reduce genetic diversity when they domesticate tropical trees? A case study from Amazonia. Molecular Ecology, 14: 497–501. doi: 10.1111/j.1365-294X.2005.02431.x

Author Information

  1. 1

    Royal Botanic Garden Edinburgh, 20a Inverleith Row, Edinburgh, EH3 5LR, UK,

  2. 2

    The World Agroforestry Centre (ICRAF), PO Box 30677, Nairobi, Kenya,

  3. 3

    Nationaal Herbarium Nederland, Wageningen Universiteit Branch, Generaal Foulkesweg 37, 6703 BL Wageningen, The Netherlands

  1. †

    Present address: Département des Sciences du Bois et de la Forêt, Pavillon Abitibi-Price, Université Laval, Québec, G1K-7P4, Canada

* Pete Hollingsworth, Fax: 44(0)131 2482901; E-mail: p.hollingsworth@rbge.org.uk.Present address: 2224 NW 11th Street, Corvallis, OR, 97330, USA.

  • †

    Present address: Département des Sciences du Bois et de la Forêt, Pavillon Abitibi-Price, Université Laval, Québec, G1K-7P4, Canada

Publication History

  1. Issue published online: 10 JAN 2005
  2. Article first published online: 10 JAN 2005
  3. Received 16 September 2004; revision accepted 10 November 2004

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Keywords:

  • agroforestry;
  • bottlenecks;
  • Inga edulis;
  • Peru;
  • SSR

Abstract

Agroforestry ecosystems may be an important resource for conservation and sustainable use of tropical trees, but little is known of the genetic diversity they contain. Inga edulis, a widespread indigenous fruit tree in South America, is used as a model to assess the maintenance of genetic diversity in five planted vs. five natural stands in the Peruvian Amazon. Analysis of five SSR (simple sequence repeat) loci indicated lower allelic variation in planted stands [mean corrected allelic richness 31.3 (planted) and 39.3 (natural), P = 0.009]. Concerns regarding genetic erosion in planted Amazonian tree stands appear valid, although allelic variation on-farm is still relatively high.

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