1. Introduction
Under suitable environmental conditions, spores of mould fungi
may germinate within 24e48 h. Cellulose-based products are an
adequate food source for mould so wood, paper and engineered
composites can be plagued with mould growth if they are chronically
exposed to moisture and warm temperatures. Wood preservatives
are not typically developed with mould inhibition in mind;
rather, they are intended to inhibit destruction of wood products by
wood decay fungi. But mould fungi often grow uninhibited and
occasionally grow preferentially on wood that has been pressuretreated
with wood preservatives, so research on mould inhibition
has become increasingly important to the wood preservation
industry. Two standard laboratory test methods to screen efficacy
of mould inhibitors for wood products (American Society for
Testing Materials , 2010; American Wood Protection Association
Standards, 2010) require four to eight weeks for test results
depending on the test method selected. The two standard methods
most frequently used rely on subjective visual ratings of wood
1. IntroductionUnder suitable environmental conditions, spores of mould fungimay germinate within 24e48 h. Cellulose-based products are anadequate food source for mould so wood, paper and engineeredcomposites can be plagued with mould growth if they are chronicallyexposed to moisture and warm temperatures. Wood preservativesare not typically developed with mould inhibition in mind;rather, they are intended to inhibit destruction of wood products bywood decay fungi. But mould fungi often grow uninhibited andoccasionally grow preferentially on wood that has been pressuretreatedwith wood preservatives, so research on mould inhibitionhas become increasingly important to the wood preservationindustry. Two standard laboratory test methods to screen efficacyof mould inhibitors for wood products (American Society forTesting Materials , 2010; American Wood Protection AssociationStandards, 2010) require four to eight weeks for test resultsdepending on the test method selected. The two standard methodsmost frequently used rely on subjective visual ratings of wood
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1. Introduction
Under suitable environmental conditions, spores of mould fungi
may germinate within 24e48 h. Cellulose-based products are an
adequate food source for mould so wood, paper and engineered
composites can be plagued with mould growth if they are chronically
exposed to moisture and warm temperatures. Wood preservatives
are not typically developed with mould inhibition in mind;
rather, they are intended to inhibit destruction of wood products by
wood decay fungi. But mould fungi often grow uninhibited and
occasionally grow preferentially on wood that has been pressuretreated
with wood preservatives, so research on mould inhibition
has become increasingly important to the wood preservation
industry. Two standard laboratory test methods to screen efficacy
of mould inhibitors for wood products (American Society for
Testing Materials , 2010; American Wood Protection Association
Standards, 2010) require four to eight weeks for test results
depending on the test method selected. The two standard methods
most frequently used rely on subjective visual ratings of wood
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