It is known that stressful conditions is one of the factors that force mushrooms to fruit. A recent project was a good example of this.
I had 2 bulk substrate trays in a grow room. One was open to the air and the other was covered with a clear tub.
By mistake, I forgot to check on them for about 4 days. When I did check, the open tray was in trouble. The substrate surface was discolored and getting brown due to excessive air flow in the room. The second tray was covered and had perfectly healthy mycelium.
Once I realized what the problem was, I covered the first tray with a clear tub. I thought for sure that tray was done, but decided to keep it for a while to see what happens.
The results were unexpected. The first tray with dried surface generated massive amount of pins and practically all of them grew to full size. I mean, there was no bare spot left, the entire tray was covered in mushrooms.
The second tray with healthy mycelium generated clean and healthy pins, but probably only 40% in the amount of pins comparing to the first tray.
Both trays has the same substrate, same spawn, etc...
The question that comes to mind: is it worth the risk to try and stress the mycelium to induce heavy pinning?
It is counter intuitive to cause damage on purpose, but it worked beyond expectations.
Does anyone has experience with this?