A Note on the Toxicity of Chloropicrin Vapors to <i>Gloeophyllum Saepiarium</i> and <i>Poria</i> sp. in Wood

Authors

  • Barry S. Goodell

Keywords:

Chloropicrin, Gloeophyllum saepiarium, Poria sp., southern pine, fungitoxicity, fumigant, concentration/time value, gas chromatographic analysis

Abstract

Southern pine wafers infected with Gloeophyllum saepiarium and Poria sp. were exposed to a range of chloropicrin vapor concentrations for 4, 8, 12, 16, and 24 h. The minimum lethal dosages of chloropicrin for both fungi were determined at each exposure period. The range of lethal concentration/time values, calculated at each exposure period, was small for Poria sp. but much broader for G. saepiarium over the 24-h test limits. This difference indicates that increasing the length of exposure to chloropicrin has a greater affect on G. saepiarium (susceptibility increases) than on Poria sp. (susceptibility remains relatively constant).

References

Goodell, B. S. 1979. Chloropicrin movement and fungitoxicity in decayed southern pine laminated timbers. Unpublished thesis. Oregon State University, Corvallis, ORnGoring, C. A. I. 1967. Physical aspects of soil in relation to their action of soil fungicides. Ann. Rev. Phytopath. 5:285-318.nGraham, R. D., and M. E. Corden. 1977. Controlling biological deterioration of wood with volatile chemicals. Electric Power Research Institute, Interim Report I (January 1974-December 1976). Prepared by Oregon State University, Corvallis, OR.n

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Published

2007-06-27

Issue

Number 2 / April 1981

Section

Research Contributions

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