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The influence of wood moisture content on the fungitoxicity of methylisothiocyanate in Douglas-fir heartwood

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dc.creator Zahora, Andrew R.
dc.creator Morrell, Jeffrey J.
dc.date.accessioned 2010-01-29T02:09:33Z
dc.date.available 2010-01-29T02:09:33Z
dc.date.issued 1989-10
dc.identifier.citation Zahora, Andrew R., and Jeffrey J. Morrell. 1989. The influence of wood moisture content on the fungitoxicity of methylisothiocyanate in Douglas-fir heartwood. Wood and Fiber Science 21(4): 343-353. en
dc.identifier.uri http://hdl.handle.net/1957/14150
dc.description.abstract High concentrations of the fumigant methylisothiocyanate (MITC) will effectively control decay fungi in large wood structures, but the fungitoxicity of low MITC concentrations and the influence of wood moisture content (MC) on its performance are not well understood. The MC of Douglas-fir heartwood greatly influenced the susceptibility of the decay fungus Poria carbonica to MITC vapors and the amount of MITC adsorbed by the wood. At constant, low MITC vapor concentrations (less than 1 ug/cc air), wood at 10% MC adsorbed 5 times more MITC, but required 4 times the exposure period to control P. carbonica, than wood above the fiber saturation point. Adsorption of MITC to wood was not substantially influenced by the amount of wood decay. When wood MC was raised from 10% to 30% during fumigation, previously adsorbed MITC rapidly volatilized and fumigant fungitoxicity increased. en
dc.language.iso en_US en
dc.publisher Society of Wood Science and Technology en
dc.relation.ispartofseries Wood and Fiber Science en
dc.relation.ispartofseries Vol. 21, No. 4 en
dc.subject MITC en
dc.subject moisture content en
dc.subject Poria carbonica en
dc.subject methylisothiocyanate en
dc.subject Douglas-fir heartwood en
dc.subject fumigant en
dc.title The influence of wood moisture content on the fungitoxicity of methylisothiocyanate in Douglas-fir heartwood en
dc.type Article en


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