Corn stalk pretreated with white-rot fungus Trametes hirsute was used to produce fiberboard by hot
pressing without adhesive. The moduli of rupture and elasticity of the corn-stalk-based fiberboard were
increased 3.40- and 8.87-fold when bio-pretreated rather than untreated corn stalk was used. Fourier
transform infra-red spectroscopy, X-ray diffraction, and chemical analysis showed that bio-pretreated
corn stalk increased the mechanical properties of the fiberboard because it had more than twice the number
of hydroxyl group, an 18% higher crystallinity, , and twice the polysaccharide content of untreated corn
stalk. Its laccase content was 4.65 ± 0.38 U/g. Corn stalk-based fiberboard production did not require
adhesives,