ABTS was obtained from Sigma (USA), while Malachite green (MG), Gentian Violet and Congo Red were obtained from Merck (USA). Reactive Black, Reactive Green, Reactive Blue and Reactive Red were supplied by the Environmental Monitoring Station of Dali, Yunnan province, China.
Strains used in this study are routinely maintained on 2% malt extract agar (MA) slants at 4 °C. The mycelia from the slant are transferred to the MA plates and incubated at 30 °C for 7 d. Fungi are stored at the strain collection of Biotechnology Research Center of Life Science and Technology College, Kunming University of Science and Technology.