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A stochastic model of maize gene dispersal

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  • Ripplinger, David G.

Abstract

The spatial distribution of maize genes is predicted using a two dimensional Lagrangian stochastic (LS) model that meets sub-inertial and well-mixed conditions. Using wind data from central Iowa, a Weibull distribution is fit. From this distribution, a series of Monte Carlo simulations are run using the LS model in three forms. The final two forms of the model are based on USDA regulations for the production of pharmaceutical producing corn, demonstrating the model's suitability for analyzing the risk of transgene dispersal in maize. Special considerations are given to the large size of maize pollen, the likelihood of pollen seepage given the use of biological inhibitors of gene release, and the possibility of contemporaneous fertility of neighboring corn fields.

Suggested Citation

  • Ripplinger, David G., 2003. "A stochastic model of maize gene dispersal," ISU General Staff Papers 2003010108000018193, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genstf:2003010108000018193
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