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Paresthesia
Stranger



Registered: 07/02/08
Posts: 1,090
Loc: Texas
Last seen: 5 years, 28 days
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Maitake Escaping!
#10708717 - 07/20/09 10:41 AM (14 years, 6 months ago) |
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A couple of weeks back I started a half dozen Maitake blocks out on supplemented sawdust. These were placed in a snap top storage box to incubate. Well, I checked on them yesterday. One block was fully colonized, but the rest were doing something bizarre... they got about 50% colonized, then the mycelium started to climb up the side of the bag to the filter patch. Some mycelium has pushed through the patch on a couple of the bags. There wasn't much of a plenum in each bag, since I had to use a confined glove box to inoculate them.
I probably didn't mix the blocks up enough when I added the spawn, but I've never seen this happen... at least not until the blocks were fully colonized.
So what could be causing this? Too much carbon dioxide? Bacterial contamination? Crazy strain? Blocks packed too tightly? Not tightly enough?
I'm just going to open up the bags and use the colonized parts to inoculate some oak logs, but I'd really like to grow maitake indoors. This is the only way to support my habit in a cost effective manner.
-------------------- "We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time." - T. S. Eliot
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frankenstoen

Registered: 01/26/08
Posts: 385
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Earlier this year, I tried growing some maitake blocks. After colonization, I placed the blocks in my greenhouse, and small maitake primordia began to form. Then the primordia withered, and a week later, new primordia began to form. Oyster primordia. I harvested several pounds of oyster mushrooms from those blocks (still harvesting) but no maitake!
A jar of maitake grain spawn I never used continues to form brain-like primordia, so I know my spawn was good. The contamination must have occurred when I inoculated the sawdust substrate. (My house WAS full of oyster spores at the time.)
I think maybe your maitake mycelium ran into a contamination, and knowing it would lose the fight, it has chosen to run away!
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Grzyby
Janitor w/light cooking duties


Registered: 03/24/09
Posts: 900
Last seen: 13 years, 8 months
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Most of the bags i buy have myc running up all sides of the bag. I havent had any come out the filter patch though. It doesnt cause me any problems. Franken ,its best to let the primordia form while the bag is sealed , then when you open the bags to fruit , only open 1 or at most 2 holes. Make these near the largest primordia , then tape down the excess bag. When the primordia is like a brain it needs to be kept wet. The first 5 days you should mist the primordia 3x a day , so the little black looking pools form on them. After the 5 days you can lower the humidity some too. ALso the temps should be mid 60
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Jef
Out-of-work Sex Slave



Registered: 12/02/08
Posts: 764
Loc: near Duncan, BC
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Re: Maitake Escaping! [Re: Grzyby]
#10709016 - 07/20/09 11:54 AM (14 years, 6 months ago) |
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It's normal for the Myc to be running up the sides after full colonization, but when I have had it before that, it has been a sign of bacterial contamination.
It eventually takes over the contam, but I geet the feeling that it's reaching for "something better(easier) to eat".
I've never grown maitake, but it seems to be true with various oysters and also black poplar.
-------------------- I am my own lab rat.
Tell me and I will forget. Show me and I will remember. Involve me and I will learn.
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b3jamboree
yes we have no portabellas


Registered: 09/11/06
Posts: 423
Loc: 45th Parallel, MI
Last seen: 10 years, 2 months
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Re: Maitake Escaping! [Re: Jef]
#10709192 - 07/20/09 12:30 PM (14 years, 6 months ago) |
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I have often seen reishi growing up to, pushing up against and then even growing outside of the filter patch. One time I had a reishi block sitting on a rarely used desk and the mycelium got through the bottom of the bag and started colonizing the particle board, through the paint on the desk.
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Paresthesia
Stranger



Registered: 07/02/08
Posts: 1,090
Loc: Texas
Last seen: 5 years, 28 days
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I've seen this with reishi, too! I had a bag secured with a rubber band. The reishi climbed up and out through the hole and made a little antler that eventually dried out.
I still don't know what to do with these bags. The box I'm storing them in isn't exactly airtight, but since the mycelium is going right for the filter patch, they must be oxygen starved. In this case I think I can let them colonize in lit areas that get more air exchange. They're hard enough to fruit as is.
-------------------- "We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time." - T. S. Eliot
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