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Official Journal of the Japan Wood Research Society

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Table 1 Standard method for rating the degree of discolouration

From: Mold resistance of bamboo treated with copper complexes-grafted silica gel and its microdistribution in treated bamboo

The infection valueMold coverage on specimens
0The surface of specimens have no mycelium
1The area of mold infection < 25%
2The area of mold infection is 25–50%
3The area of mold infection is 50–75%
4The area of mold infection > 75%