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Some Effects of Pine-Needle or Grass Smoke on Fungi. J. R. Parmeter, Jr., Professor, Department of Plant Pathology, University of California, Berkeley 94720; B. Uhrenholdt, Staff Research Associate, Department of Plant Pathology, University of California, Berkeley 94720. Phytopathology 65:28-31. Accepted for publication 11 June 1974. DOI: 10.1094/Phyto-65-28.

Spore germination or mycelial growth of several fungi was reduced on cellophane previously exposed to smoke from burning pine needles. Prior exposure of bean plants and Monterey pine seedlings to smoke reduced the amount of bean rust or gall rust following inoculation. The possible implications of fungus inhibition by smoke from wildfires or prescribed burns is discussed.