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How changes in the dynamic of crop susceptibility and cultural practices can be used to better control the spread of a fungal pathogen at the plot scale?

Author

Listed:
  • Mammeri, Y.
  • Burie, J.B.
  • Langlais, M.
  • Calonnec, A.

Abstract

A PDEs–ODEs model was developed to describe the spread of an airborne fungal pathogen on grapevine. The model was able to retrieve the main characteristics of the system: (1) a host growing during the whole season with time evolution in susceptibility, (2) a crop highly structured in rows with potential heterogeneities of plant growth and susceptibility within and between plots. These characteristics are modified by cultural management. Simulations were performed to test the effect of crop spatial heterogeneities, within and between plots, on the disease spread. Heterogeneities considered were the plant growth (vigour, earliness), susceptibility (susceptible vs resistant, treated vs untreated) and the spatial arrangements (patches vs rows). The main effect on disease reduction was obtained by arrangement in rows of susceptible and fully resistant plants.

Suggested Citation

  • Mammeri, Y. & Burie, J.B. & Langlais, M. & Calonnec, A., 2014. "How changes in the dynamic of crop susceptibility and cultural practices can be used to better control the spread of a fungal pathogen at the plot scale?," Ecological Modelling, Elsevier, vol. 290(C), pages 178-191.
    • Handle: RePEc:eee:ecomod:v:290:y:2014:i:c:p:178-191
    DOI: 10.1016/j.ecolmodel.2014.02.017
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    References listed on IDEAS

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    1. Kinezaki, Noriko & Kawasaki, Kohkichi & Shigesada, Nanako, 2010. "The effect of the spatial configuration of habitat fragmentation on invasive spread," Theoretical Population Biology, Elsevier, vol. 78(4), pages 298-308.
    2. Sapoukhina, Natalia & Tyutyunov, Yuri & Sache, Ivan & Arditi, Roger, 2010. "Spatially mixed crops to control the stratified dispersal of airborne fungal diseases," Ecological Modelling, Elsevier, vol. 221(23), pages 2793-2800.
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