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 jagribok
Stranger
Registered: 12/01/08
Posts: 3
Last seen: 25 minutes, 35 seconds
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 Topless shiitake
#9346994 - 12/01/08 08:10 PM (2 hours, 38 minutes ago) |
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Folks,
This is my first grow of Shiitakes, and its not going too well: the fruits do not have caps (or they are tiny!).
Here is how it looks:
It was going fine to begin with: the spawn grown just fine in sawdust jar. The bags with supplemented sawdust colonized in due time, and browned soon thereafter. I have given them a cold soak for 2 days, and put in my FC. I misted them every day and maintained 65-70F at 90-95% humidity there. I also have a small fluorescent bulb on a 12 hour timer. But they are growing with super-fat stems and no caps!
Help please! What am I doing wrong?
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 frankenstoen
Cat Juggler
Registered: 01/26/08
Posts: 58
Loc: Pacific NorthWest
Last seen: 7 minutes, 35 seconds
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Re: Topless shiitake [Re: jagribok]
#9347523 - 12/01/08 09:16 PM (1 hour, 32 minutes ago) |
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Wow - those are weird! How much fresh air exchange are they getting?
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jagribok
Stranger
Registered: 12/01/08
Posts: 3
Last seen: 25 minutes, 35 seconds
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Well, I am not sure. I do not have any special provisions for ventilation, but the fruiting chamber is huge (10x4x3ft) and there are only a few things in it: 4 regular oyster bags and a few king oyster jars, all of which develop just fine. Oysters do develop strange stemmy things without enough FAE, and it is not happening here. I am opening FC twice a day for a few minutes. Plus, there is a hole on the side of the box that provides some additional air exchange.
Are Shiitake's more sensitive to CO2 concentration then oysters?
The only thing that went wrong with these Shiitake's is during the cold bath, one of the freezer cold bags leaked a tiny bit of the gel thats inside. I am not sure what is in that gel, but possibly it contains something that caused this abnormal development?
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frankenstoen
Cat Juggler
Registered: 01/26/08
Posts: 58
Loc: Pacific NorthWest
Last seen: 7 minutes, 35 seconds
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Re: Topless shiitake [Re: jagribok]
#9348174 - 12/01/08 10:37 PM (11 minutes, 49 seconds ago) |
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Shiitakes are LESS sensitive than oysters to CO2. So if the oysters are fine, the shiitakes should be.
That freeze-gel contamination might be what caused this - any idea what that gel is made of? Did you rinse off the block afterwards?
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