Fig. 3

Observation of the internal morphology of mycelial pellets at different temperatures with PS. A Morphology of mycelial pellet at 26 °C, bar = 200 μm. B Morphology of mycelial pellet at 28 °C, bar = 200 μm. C Morphology of mycelial pellet at 32 °C, bar = 200 μm. D Morphology of mycelial pellet at 26 °C, bar = 100 μm. E Morphology of mycelial pellet at 28 °C, bar = 100 μm. F Morphology of mycelial pellet at 32 °C, bar = 100 μm