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Felling Infected Oaks in Natural Stands Reduces Dissemination of Polyporus hispidus Spores. F. I. McCracken, Plant Pathologist, Southern Hardwoods Laboratory, Stoneville, Mississippi 38776; E. R. Toole, Assistant Professor, Forest Products Utilization Laboratory, Mississippi State University, State College 39762. Phytopathology 64:265-266. DOI: 10.1094/Phyto-64-265.

Felling or girdling willow oaks which exhibited Polyporus hispidus cankers reduced sporophore production within 3 yr. Since spore dissemination was horizontal and downward, spores produced on felled trees did not spread as far as those from standing trees. Felling, therefore, is a more advantageous means of control.