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Agronomy 2013, 3(2), 433-461; doi:10.3390/agronomy3020433
Review

Use of Wild Relatives and Closely Related Species to Adapt Common Bean to Climate Change

1,* , 2
, 3
, 4
, 5
 and 6
1 USDA-ARS, Tropical Agriculture Research Station (TARS), 2200 P. A. Campos Ave., Suite 201, Mayagüez 00680-5470, Puerto Rico 2 Department of Crop & Agro-Environmental Sciences, University of Puerto Rico, Mayagüez Campus, Call Box 9000, Mayagüez 00681-9000, Puerto Rico 3 Genetic Resources Program, International Center for Tropical Agriculture (CIAT), A.A. 6713, Cali, Colombia 4 Center for Applied Genetic Technologies and the Institute for Plant Breeding, Genetics and Genomics, University of Georgia, 111 Riverbend Rd., Athens, GA 30602, USA 5 Plant, Soil and Microbial Sciences, Michigan State University, 1066 Bogue St., East Lansing, MI 48824, USA 6 Global Crop Diversity Trust, Platz Der Vereinten Nationen 7, Bonn 53113, Germany
* Author to whom correspondence should be addressed.
Received: 28 January 2013 / Revised: 16 April 2013 / Accepted: 2 May 2013 / Published: 10 May 2013
(This article belongs to the Special Issue Sustainable Crop Production)
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Abstract

Common bean (Phaseolus vulgaris L.) is an important legume crop worldwide. However, abiotic and biotic stress limits bean yields to <600 kg ha−1 in low-income countries. Current low yields result in food insecurity, while demands for increased yields to match the rate of population growth combined with the threat of climate change are significant. Novel and significant advances in genetic improvement using untapped genetic diversity available in crop wild relatives and closely related species must be further explored. A meeting was organized by the Global Crop Diversity Trust to consider strategies for common bean improvement. This review resulted from that meeting and considers our current understanding of the genetic resources available for common bean improvement and the progress that has been achieved thus far through introgression of genetic diversity from wild relatives of common bean, and from closely related species, including: P. acutifolius, P. coccineus, P. costaricensis and P. dumosus. Newly developed genomic tools and their potential applications are presented. A broad outline of research for use of these genetic resources for common bean improvement in a ten-year multi-disciplinary effort is presented.
Keywords: abiotic stress; disease resistance; crop improvement; genetic diversity; introgression; Phaseolus vulgaris abiotic stress; disease resistance; crop improvement; genetic diversity; introgression; Phaseolus vulgaris
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Porch, T.G.; Beaver, J.S.; Debouck, D.G.; Jackson, S.A.; Kelly, J.D.; Dempewolf, H. Use of Wild Relatives and Closely Related Species to Adapt Common Bean to Climate Change. Agronomy 2013, 3, 433-461.

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