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Demand and Supply of Crop Infraspecific Diversity on Farms: Towards a Policy Framework for On-Farm Conservation

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Author Info

  • Bellon, Mauricio R.

Abstract

Interest is increasing worldwide in on-farm conservation as a component of a strategy to conserve crop genetic resources. On-farm conservation may require outside support to small-scale farmers in areas of crop domestication and diversity. This paper argues that crop infraspecific diversity maintained by farming households in these areas results from the interplay between demand and supply for this diversity (i.e., its loss may be demand- or supply-related). In the first instance, interventions should be aimed at increasing the value of crop diversity for farmers or decreasing the farm-level opportunity costs of maintaining diversity. In the second instance, interventions should decrease the transaction costs of accessing crop diversity. It may be difficult, however, to distinguish in empirical research, whether the constraints to diversity are demand- or supply-related. Therefore the process of supporting on-farm conservation should be kept as open as possible and both demand and supply interventions should be available.

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File URL: http://purl.umn.edu/7666
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Bibliographic Info

Paper provided by CIMMYT: International Maize and Wheat Improvement Center in its series Economics Working Papers with number 7666.

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Date of creation: 2001
Date of revision:
Handle: RePEc:ags:cimmew:7666

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Related research

Keywords: Crop Production/Industries;

References

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  1. Brush, Stephen B. & Taylor, J. Edward & Bellon, Mauricio R., 1992. "Technology adoption and biological diversity in Andean potato agriculture," Journal of Development Economics, Elsevier, vol. 39(2), pages 365-387, October.
  2. Bellon, Mauricio R & Taylor, J Edward, 1993. ""Folk" Soil Taxonomy and the Partial Adoption of New Seed Varieties," Economic Development and Cultural Change, University of Chicago Press, vol. 41(4), pages 763-86, July.
  3. J. Edward Taylor & Antonio Yunez-Naude & George Dyer, 1999. "Agricultural Price Policy, Employment, and Migration in a Diversified Rural Economy: A Village-Town CGE Analysis from Mexico," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(3), pages 653-662.
  4. Smale, Melinda & Aguirre, Alfonso & Bellon, Mauricio R. & Mendoza, Jorge & Rosas, Irma Manuel, 1999. "Farmer Management of Maize Diversity in the Central Valleys of Oaxaca, Mexico: CIMMYT/INIFAP 1998 Baseline Socioeconomic Survey," Economics Working Papers 7689, CIMMYT: International Maize and Wheat Improvement Center.
  5. Rice, Elizabeth & Smale, Melinda & Blanco, Jose-Luis, 1998. "Farmers' use of improved seed selection practices in Mexican maize: Evidence and issues from the Sierra de Santa Marta," World Development, Elsevier, vol. 26(9), pages 1625-1640, September.
  6. Sperling, Louise & Loevinsohn, Michael E., 1993. "The dynamics of adoption: Distribution and mortality of bean varieties among small farmers in Rwanda," Agricultural Systems, Elsevier, vol. 41(4), pages 441-453.
  7. Bellon, Mauricio R. & Smale, Melinda & Aguirre, Alfonso & Taba, Suketoshi & Aragon, Flavio & Diaz, Jaime & Castro, Humberto, 2000. "Identifying Appropriate Germplasm For Participatory Breeding: An Example From The Central Valleys Of Oaxaca, Mexico," Economics Working Papers 46524, CIMMYT: International Maize and Wheat Improvement Center.
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Citations

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Cited by:
  1. Nordhagen, Stella & Pascual, Unai, 2013. "The Impact of Climate Shocks on Seed Purchase Decisions in Malawi: Implications for Climate Change Adaptation," World Development, Elsevier, vol. 43(C), pages 238-251.
  2. Suman Ghosh & Alexander Karaivanov, 2005. "Can a raise in your wage make you worse off? A public goods perspective," Working Papers 05004, Department of Economics, College of Business, Florida Atlantic University, revised Mar 2006.
  3. Brush, Stephen B., 2005. "Farmers' rights and protection of traditional agricultural knowledge:," CAPRi working papers 36, International Food Policy Research Institute (IFPRI).
  4. Joachim Zietz & R. Alan Seals, 2006. "Genetically Modified Maize, Biodiversity, and Subsistence Farming in Mexico," Working Papers 200604, Middle Tennessee State University, Department of Economics and Finance.
  5. Brush, Stephen B., 2007. "Farmers' Rights and Protection of Traditional Agricultural Knowledge," World Development, Elsevier, vol. 35(9), pages 1499-1514, September.

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