Cellulase production was evaluated in two reference strains (T. reesei Rut-C30 and T. reesei
QM9414), two strains isolated from a sugarcane cultivation area (Trichoderma sp. IPT778 and T.
harzianum rifai IPT821) and one strain isolated in a program for biodiversity preservation in São
Paulo state (Myceliophthora thermophila M77). Solid state cultures were performed using sugarcane
bagasse (C), wheat bran (W) and/or soybean bran (S). The highest FPA was 10.6 U/gdm for M77 in
SC (10:90) at 80% moisture, which was 4.4 times higher than production in pure W. C was a strong
inducer of cellulase production, given that the production level of 6.1 U/gdm in WC (40:60) was 2.5
times higher than in pureWfor strain M77; T. reesei Rut-C30 did not respond as strongly with about
1.6-fold surplus production. S advantageously replaced W, as the surplus production on SC (20:80)
was 2.3 times relative to WC (20:80) for M77.