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Can Bt Maize Reduce Exposure to the Mycotoxin Fumonisin in South Africa?

Author

Listed:
  • Pray, Carl E.
  • Rheeder, John
  • Gouse, Marnus
  • Volkwyn, Yvette
  • van der Westhuizen, Liana
  • Shephard, Gordon

Abstract

The mycotoxin fumonisin is associated with oesophageal cancer and birth defects. The Eastern Cape province of South Africa has high levels of fumonisin in maize and oesophageal cancer. This study measures the amounts of the mycotoxin fumonisin in the grain of Bt maize, commercial hybrids, and farmer-saved, local mixtures of seed that were produced and stored by small holders in South Africa. We find that adoption of Bt maize can reduce poor rural consumers exposure to fumonisin. Greater consumption of maize meal milled in modern mills could have a similar impact.

Suggested Citation

  • Pray, Carl E. & Rheeder, John & Gouse, Marnus & Volkwyn, Yvette & van der Westhuizen, Liana & Shephard, Gordon, 2009. "Can Bt Maize Reduce Exposure to the Mycotoxin Fumonisin in South Africa?," 2009 Conference, August 16-22, 2009, Beijing, China 51739, International Association of Agricultural Economists.
    • Handle: RePEc:ags:iaae09:51739
    DOI: 10.22004/ag.econ.51739
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    Cited by:

    1. Regier, Gregory K & Dalton, Timothy J, 2014. "Labour savings of Roundup Ready maize: Impact on cost and input substitution for South African smallholders," African Journal of Agricultural and Resource Economics, African Association of Agricultural Economists, vol. 9(3), pages 1-14, August.

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