Why does oyster mushroom mycelium not colonize the substrate. What temperature kills mycelium?

Today I will talk about one of the reasons why the mycelium does not colonize the substrate. We will consider such a situation. First, the mycelium actively captures the substrate, we see the growth of hyphae and even a change in color, that is, the substrate turns white. But then the block becomes stained and becomes dark. What temperature kills mushroom mycelium?
Video about stroma - • What is the white mold...
0:30 - Why does uncontrolled heating occur during overgrowing of mycelium? We will look at 4 reasons.
2:10 - consequences of overheating mushroom blocks
3:55 - What temperature kills mushroom mycelium