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Mushrooms, Mycology and Psychedelics > Gourmet and Medicinal Mushrooms
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Re: Paddy Straw--Volvariella volvacea [Re: youngspacepod]
    #15831653 -

I enjoy the extreme good fortune of living nearby Lipa.

He has done pretty much the gamut, and is an incredibly generous person.

(not fawning dude...you are)

Whenever we meet up he chucks stuff at me.  I have managed to get at least
one thing back to him, but that is about it.  ;0)

If I am successful with this species when things warm up, then I will
be happy to share some wedges.

I want to try eating one too, of course.  lol

Take care,

JD


--------------------
Boyd Rice told my brother that life is a corny pack of freesakes

Myco-tek.org

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Re: Paddy Straw--Volvariella volvacea [Re: Javadog]
    #16301389 -

I was wondering if anyone had finished experimenting with using spent oyster substrate to start Paddy Straws on.....if so would you pasturize the old substrate first or just use as is and hope for no contams....

Thanks,

Catawba Mushroom

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Re: Paddy Straw--Volvariella volvacea [Re: catawbamushroom]
    #16301690 -

You can't use spent substrate without killing the oyster mycelium first, so some kind of heat treatment is absolutely required.

Spent sub definitely gets colonized, but I can't say anything about fruiting. Adding spent oyster sub and worm castings to grain will dramatically reduce colonization time during spawn run, compared to grain alone.

Carsten

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Re: Paddy Straw--Volvariella volvacea [Re: houdinihar]
    #16414491 -

are you volv avialbale?

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Re: Paddy Straw--Volvariella volvacea [Re: cordybooha]
    #16416643 -

use of spent mycelium add ODA to your substrate who is a naturally occuring growth hormone present in myshroom and the wormcast has an enzyme who facilitates the take up of nutrients . both elements are used in our commercial volva culture and calocybe culture.It shortens the  time of good mycelium growth in grain as well in end substrate where an addional hormone is used to hasten the pileus growth

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Re: Paddy Straw--Volvariella volvacea [Re: bitepourrie]
    #16417660 -

What does ODA stand for?

Thanks!

JD


--------------------
Boyd Rice told my brother that life is a corny pack of freesakes

Myco-tek.org

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Re: Paddy Straw--Volvariella volvacea [Re: Javadog]
    #16418006 -

ODA = 10-oxo-trans-8-decenoic acid

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Re: Paddy Straw--Volvariella volvacea [Re: bitepourrie]
    #16418093 -

Wow....thanks for the time.


--------------------
Boyd Rice told my brother that life is a corny pack of freesakes

Myco-tek.org

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Re: Paddy Straw--Volvariella volvacea [Re: Javadog]
    #16418742 -

In Taiwan in commercial mushroom farms its common practice to shred the spent mycelium and mill it a kind of fine powder and they mix it in the end substrate, the results i saw were very good and our own experience is that there is at least a 15 pct increase in fruitbodies.I was even told they use it in their grain but as they they are very secretive i never was allowed to see how they did.

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Re: Paddy Straw--Volvariella volvacea [Re: bitepourrie]
    #16419908 -

...and now I understand why

I looked up that chemical, and found an interesting paper.

When I read that that chemical is produced in fruit bodies, I saw that connection.

Abstract:
============================================================
The few well-characterized fungal growth-regulating substances include 10-oxo-trans-8-decenoic acid (ODA) and hercynine. This report deals with production and tissue location of ODA. It also describes some biological activities of addition of ODA, hercynine, and cytokinins on growth and postharvest morphogenesis of Agaricus bisporus. Production of ODA in sporophore extracts was limited mainly by oxygen availability and the possible occurrence of a competitive metabolic pathway. Presumably synthesized within the stipe and skin tissues, ODA accumulated in the gills. Mycelium growth rate on a potato-based medium was significantly increased in the presence of ODA. Moreover, stipe lengthening was slightly stimulated by 10 or 100 μM ODA.
============================================================


--------------------
Boyd Rice told my brother that life is a corny pack of freesakes

Myco-tek.org

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Re: Paddy Straw--Volvariella volvacea [Re: catawbamushroom]
    #16465036 -

catawbamushroom said:
I was wondering if anyone had finished experimenting with using spent oyster substrate to start Paddy Straws on.....if so would you pasturize the old substrate first or just use as is and hope for no contams....

Thanks,

Catawba Mushroom


In one of his lectures, John Holliday recommended inoculating straw with both Volvariella volvacea and Pleurotus at the same time.  He states that the Volvariella will fruit before the Pleurotus and you will essentially double crop from the same substrate, although the BE for each will be less than singly.

I have yet to try this but the concept is interesting, especially if you have a larger yield from a single species than you can market from your substrate volume.


--------------------
--------------
"Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote!" --Benjamin Franklin

"Those who give up liberty for security won't have, or deserve, either.". . . Benjamin Franklin ----> Read: The Fight of our Lives - Defeating the Ideological War Against the West - by Victor Davis Hanson

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Re: Paddy Straw--Volvariella volvacea [Re: OICU812]
    #16465096 -

OICU812 said:
catawbamushroom said:
I was wondering if anyone had finished experimenting with using spent oyster substrate to start Paddy Straws on.....if so would you pasturize the old substrate first or just use as is and hope for no contams....

Thanks,

Catawba Mushroom


In one of his lectures, John Holliday recommended inoculating straw with both Volvariella volvacea and Pleurotus at the same time.  He states that the Volvariella will fruit before the Pleurotus and you will essentially double crop from the same substrate, although the BE for each will be less than singly.

I have yet to try this but the concept is interesting, especially if you have a larger yield from a single species than you can market from your substrate volume.


Thanks for sharing that OICU.  I am in the process of making V spawn,
and have Oyster spawn and subs running right now.  I will try this,
just for kicks.

JD


--------------------
Boyd Rice told my brother that life is a corny pack of freesakes

Myco-tek.org

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Re: Paddy Straw--Volvariella volvacea [Re: Javadog]
    #16465160 -

So I guess you keep it at 25c+ for the VV the drop it to 15c for the Oysters!?

If I ever get a VV culture I will give this a go, I have the set up to be able to do it.


--------------------
Commercial exotics farmer for 8 years - now sold up!

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Re: Paddy Straw--Volvariella volvacea [Re: solarity]
    #16465317 -

Here's a paper I just found on the some growth tests run using ODA:

http://wsmbmp.org/proceedings/2nd%20international%20conference/MBMP%20Proceedings%20of%20the%202nd%20International%20Conference%20(White%20book)/59%20Role%20of%2010-oxo-trans-8-decenoic%20Acid%20in%20the%20Cultivated%20Mushroom,%20Agaricus%20bisporus.pdf

It's an entire paper, not just the abstract. I googled the one you found, JD, and to my horror, saw that ScienceDirect controlled it. I don't mind paying a reasonable price for a single good scientific paper pdf, but $41.95?


--------------------
Liberté, égalité, humidité.

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Re: Paddy Straw--Volvariella volvacea [Re: Terry M]
    #16465439 -

DLed.  Thanks Terry!

I have only scanned these ideas so far, but, as ODA is in fruit bodies,
I suppose one approach is to powder unused fruits and mix this into the
subs.  Interesting in any case.

Take care,

JD


--------------------
Boyd Rice told my brother that life is a corny pack of freesakes

Myco-tek.org

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Re: Paddy Straw--Volvariella volvacea [Re: Javadog]
    #16466168 -

Hi guys  wake up in commercial mushrooming there is plenty of use of grow hormones.I have a small comercial business in mushrooms and yes i use them also but restrict my use to the naturally occuring ones.You also have to understand that the sequence of using hormones during the growth of mushrooms is not just pouring in the stuff and you gone have bigger  and more mushroom bodies.Al depends on the availability on a certain time in the growth process.Also you have to consider the use use of humic acid as this compound facilitates the cell membrane penetration of other compounds as growth hormones.The application of these substances is different per species and is mostly a very close guarded secret in all mushroom cultivating farms.Also use of growth hormones is plenty in agar mixs to obtain sturdy mycelium growth
So happy experimenting boys

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Re: Paddy Straw--Volvariella volvacea [Re: bitepourrie]
    #16466205 -

forgot i can put an hormone experiment on the forum but i dont know how to do it , if somebody has an email i can sent it in attachment to him so he can put in the public. Maybe Terry ????

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Re: Paddy Straw--Volvariella volvacea [Re: bitepourrie]
    #16466418 -

Sure, I'll do it. I just PM'ed my email address to you, Willy.


--------------------
Liberté, égalité, humidité.

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Re: Paddy Straw--Volvariella volvacea [Re: Terry M]
    #16466474 -

Thanks to you both!


--------------------
Boyd Rice told my brother that life is a corny pack of freesakes

Myco-tek.org

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Re: Paddy Straw--Volvariella volvacea [Re: solarity]
    #16466799 -

solarity said:
So I guess you keep it at 25c+ for the VV the drop it to 15c for the Oysters!?

If I ever get a VV culture I will give this a go, I have the set up to be able to do it.


Sorry, I should have been more specific. He was referring to Pleurotus djamor, Pleurotus citrinopileatus and Pleurotus cystidiosus.  The colder strains could be problematic, as you inferred.


--------------------
--------------
"Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote!" --Benjamin Franklin

"Those who give up liberty for security won't have, or deserve, either.". . . Benjamin Franklin ----> Read: The Fight of our Lives - Defeating the Ideological War Against the West - by Victor Davis Hanson

Edited by OICU812 (07/01/12 06:48 PM)

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Mushrooms, Mycology and Psychedelics > Gourmet and Medicinal Mushrooms
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