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Cedros Wilt Disease And Its Observed Epidemiological Limitations

Author

Listed:
  • Griffith, R.

Abstract

The hypothesis cited is that given a certain increase in the Pentatomid vector population in the presence of the pathogen for Cedros wilt, which has become endemic in coconut palms in a country, the disease will increase to a certain level until the vector species reverts back in phase with the controlling factors of the ecosystem and cause the disease to level off at an asymptote, keeping it endemic without destroying the farm. However, complete destruction of the remaining palms can result from an abundance of the weed host (Asclejoias curassavica), supplying incidental vector Oncopeltus. which feeds randomly on individual palms causing random multiple infections and so final destruction of the farm. Thus the agroecosystem, by removal of palms and reduction in numbers of the secondary Pentatomid vector, controls the disease only in the secondary and epidemic phase, but can also maintain infection at a threshold level associated with the latent population of the vector Pentatomid.

Suggested Citation

  • Griffith, R., 1990. "Cedros Wilt Disease And Its Observed Epidemiological Limitations," 26th Annual Meeting, July 29 to August 4, 1990, Mayaguez, Puerto Rico 259374, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs90:259374
    DOI: 10.22004/ag.econ.259374
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