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Letter to the Editor

Length Scale of Disease Spread: Fact or Artifact of Experimental Geometry. Francis J. Ferrandino, The Connecticut Agricultural Experiment Station, P.O. Box 1106, New Haven, 06504. Phytopathology 86:806-811. Accepted for publication 1 May 1996. Copyright The American Phytopathological Society. DOI: 10.1094/Phyto-86-806.

To predict the spatial and temporal development of a plant disease epidemic, one needs to quantify the dispersal of inoculum from a focus of disease. But over what range of distance is this information needed?