Degradation of polyurethane (PU) in Petri dishes (diameter 9 cm) by fungal inoculi at room temperature.

(A) Degradation of PU (halo) after 6 days of growth by the fungus Cladosporium cladosporioides (WSL No. 156.01). (B) Degradation of PU (halo) after 6 days of growth by the fungus Leptosphaeria sp. (WSL No. 165.01). (C) Degradation of PU (halo) after 6 days of growth by the fungus Xepiculopsis graminea (WSL No. 155.01). (D) Degradation of PU (halo) after 6 days of growth by the fungus Penicillium griseofulvum (WSL No. 159.01). (E) Degradation of PU (halo) after 6 days of growth by the fungus Pestalotiopsis microspora (WSL No. 147.01). (F) Degradation of PU (halo) after 6 days of growth by the fungus Marasmius oreades (WSL No. 105.01). (G) Degradation of PU (halo) after 14 days of growth by the fungus Agaricus bisporus (WSL No. 99.01). (H) No degradation of PU after 14 days of growth by the white-rot fungus Pleurotus eryngii (WSL No. 130.01).