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Mushrooms, Mycology and Psychedelics > Gourmet and Medicinal Mushrooms
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Elm Oysters on Cottonseed Hulls
    #10459832 -

I haven't really posted any grow pics in a while.  Here are a couple of photos of an elm oyster experiment I'm conducting.





The basic procedure I followed was LC > Grain > Grain before spawning to the bulk sub.  In this case it's pasteurized cottonseed hulls with gypsum and a little hydrated lime.

As you can see, it's fruiting under less than ideal conditions--a room used for storage in my house.  Unfortunately this log was way too big for my indoor fruiting chamber, and many of the clusters are drying out, but not this big one!  I would have put it outdoors, but that rain they keep promising just isn't coming.

H. ulmarius fruits can get pretty big without losing quality, and they seem to be less fussy about temperature than Pleurotus species.  (Some are fruiting outdoors now, and the temps are in the lower 90s F in the afternoons)  I think they're a little bit... uh... stinky when you cook them up, though.


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"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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Re: Elm Oysters on Cottonseed Hulls [Re: Paresthesia]
    #10460671 -

nice I wonder if it would do as well on cardboard as pleurotus.


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"Have you ever seen what happens when a grenade goes off in a school? Do you really know what you’re doing when you order shock and awe? Are you prepared to kneel beside a dying soldier and tell him why he went to Iraq, or why he went to any war?"
"The things that are done in the name of the shareholder are, to me, as terrifying as the things that are done—dare I say it—in the name of God. Montesquieu said, "There have never been so many civil wars as in the Kingdom of God." And I begin to feel that’s true. The shareholder is the excuse for everything."
- Author and former M6/M5 agent John le Carré on Democracy Now.
Conquer's Club

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Re: Elm Oysters on Cottonseed Hulls [Re: ScavengerType]
    #10460915 -

Elm oysters need some supplementation.  In this case I used extra spawn--eight jars of grain spawn (oats) in a 12" x 24" log.

I picked that big cluster this morning.  It weighs 2.5 pounds!  The fruits are a bit on the thin side for my tastes, though.


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"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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Re: Elm Oysters on Cottonseed Hulls [Re: Paresthesia]
    #10460948 -

Quote:
The fruits are a bit on the thin side for my tastes, though.


Is that because of less than optimal fruiting conditions or just a characteristic of that strain?  How do these do on straw?


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ReUse! RePurpose! ReCycle!  "Mom says use it again!"

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Re: Elm Oysters on Cottonseed Hulls [Re: LokelYokel]
    #10462460 -

Nice.  Cottonseed hulls are a good substrate.  I used it a lot outdoors when I lived in Oklahoma back in the 80s. 

Be careful growing H ulmarius indoors.  It only takes a year or so to develop allergic reaction to the spores and you'll get sick as hell.  The symptoms are flu-like, so you will just think you caught a bug and won't remove yourself from the spores, thus it gets worse and worse.  Once I got an allergy to elm oysters, it carried over to all the oyster species as well.  I now have to keep a respirator next to the grow room entrance, and I can't step in there without wearing it or risk getting sick as a dog.
RR


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Download Let's Grow Mushrooms



semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison

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Re: Elm Oysters on Cottonseed Hulls [Re: LokelYokel]
    #10462462 -

Quote:
Is that because of less than optimal fruiting conditions or just a characteristic of that strain?  How do these do on straw?


I would say it's more likely the fruiting conditions.  This strain has fruited for me outdoors in mid December the mushrooms were a lot thicker.  The stems on these are actually the best part--they're not as chewy as kings.  I think I'm going to try growing these in trays.

As far as straw goes, I don't know.  I haven't worked with straw, since it isn't readily available in my area.  I've grown them on paper too, with similar results.  Large clusters of small fruits.  When I grow them on supplemented sawdust I seem to get larger individual fruits.

If you want to try growing them, I can send you a wedge.


--------------------
"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

Extras: Filter Print Post Top
Re: Elm Oysters on Cottonseed Hulls [Re: Paresthesia]
    #10463109 -

Quote:
I've grown them on paper too, with similar results


that's what I wanted to hear.


--------------------
"Have you ever seen what happens when a grenade goes off in a school? Do you really know what you’re doing when you order shock and awe? Are you prepared to kneel beside a dying soldier and tell him why he went to Iraq, or why he went to any war?"
"The things that are done in the name of the shareholder are, to me, as terrifying as the things that are done—dare I say it—in the name of God. Montesquieu said, "There have never been so many civil wars as in the Kingdom of God." And I begin to feel that’s true. The shareholder is the excuse for everything."
- Author and former M6/M5 agent John le Carré on Democracy Now.
Conquer's Club

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Re: Elm Oysters on Cottonseed Hulls [Re: Paresthesia]
    #10470002 -

Paresthesia said:
Quote:
Is that because of less than optimal fruiting conditions or just a characteristic of that strain?  How do these do on straw?


I would say it's more likely the fruiting conditions.  This strain has fruited for me outdoors in mid December the mushrooms were a lot thicker.  The stems on these are actually the best part--they're not as chewy as kings.  I think I'm going to try growing these in trays.

As far as straw goes, I don't know.  I haven't worked with straw, since it isn't readily available in my area.  I've grown them on paper too, with similar results.  Large clusters of small fruits.  When I grow them on supplemented sawdust I seem to get larger individual fruits.

If you want to try growing them, I can send you a wedge.


any extra culture slants?
i'd like to try growing it!

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Re: Elm Oysters on Cottonseed Hulls [Re: Paresthesia]
    #14233249 -

I'm reinvigorating this thread because I have a pertinent question and through heavy searching can't find the answer elsewhere, and I know Paresthesia is active on the forums.

Paresthesia: I'm interesting in using cottonseed hulls as a substrate. I've been using straw for awhile and pasteurize the straw using a hot bath method. My question to you is, did you pasteurize the cottonseed hulls in the same manner? If you did a hot bath method, did you find the cottonseed hulls were overly soggy? Did water pool at the bottom of your bag?

Please describe your method and any disadvantages and the appropriate advantages to using cottonseed hulls. Thanks!


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mushroomjoe.com - that's me!

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Re: Elm Oysters on Cottonseed Hulls [Re: BlueLightRain]
    #14429783 -

Hello,

Thanks for that question BlueLightRain.  I live in an area with many cotton mills and a large amount of cottonseed hulls available.

I, too, would like to know more (as much as possible) about the procedure used to create a good substrate from cottonseed hulls.

Thank you all.


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Do you need small amounts of high quality Tyvek (sell or trade)? P.M. me!

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Mushrooms, Mycology and Psychedelics > Gourmet and Medicinal Mushrooms
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