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InvisibleRoger Fudd
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Mycorrhizal associations
    #10149285 - 04/11/09 08:03 PM (14 years, 9 months ago)

Hi all!
I need some suggestions to using mycorrhizal fungi in my garden. I'm growing potted plants, like tomatoes, and if anyone has any information about the amount of mycelium to use, moisture levels, certain species to use, or anything else relevant, post please! So far I'm looking at some SRA on sawdust mixed into potting soil. Maybe some oyster mycelium too, just because it grows so fast and aggressively. Thanks for all replies :grin:


Edited by Roger Fudd (04/11/09 11:24 PM)


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OfflineCptnGarden
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10149377 - 04/11/09 08:26 PM (14 years, 9 months ago)

RSA?

you mean SRA?
Stropharia ruguso-annulata?

Lepista nuda is another great composter/gardening mushroom, it targets nematodes, harmful bacterias, and various molds, and destroys them, then fruits probably from the colonization of beneficial microbes.

So far L. nuda has worked great for me at helping eat through compost like nobodies business, and most of my garden beds seem more alive ever since I added a bunch of spawn.


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OfflineScavengerType
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Re: Mycorrhizal associations [Re: CptnGarden]
    #10149597 - 04/11/09 09:24 PM (14 years, 9 months ago)

:nothingtoadd:


--------------------
"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.
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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: CptnGarden]
    #10149941 - 04/11/09 11:24 PM (14 years, 9 months ago)

Quote:

CptnGarden said:
RSA?

you mean SRA?
Stropharia ruguso-annulata?

Lepista nuda is another great composter/gardening mushroom, it targets nematodes, harmful bacterias, and various molds, and destroys them, then fruits probably from the colonization of beneficial microbes.

So far L. nuda has worked great for me at helping eat through compost like nobodies business, and most of my garden beds seem more alive ever since I added a bunch of spawn.



Thanks for the info, my bad, I'll change the acronym.


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InvisibleFoxFire
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10149977 - 04/11/09 11:36 PM (14 years, 9 months ago)

http://fungiperfecti.com/mycogrow/index.html
This place has a bunch of pre-formulated species mixes.  Sounds like what you're after.


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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: FoxFire]
    #10150073 - 04/12/09 12:01 AM (14 years, 9 months ago)

Yes, I was looking at mycogrow, but I don't want to use a product that I have to buy, instead going for the cultures that I already have. I was thinking about growing a tab out on agar, but I don't know how well they'll interact (in terms of one species taking over the agar).


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Offlineb3jamboree
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10150840 - 04/12/09 06:50 AM (14 years, 9 months ago)

Elm Oysters are the easiest beneficial mushroom for gardens. Mycelium running has a pretty good section on using Elms, and I have personally done tests and experiments and found that they help any number of vegetable crops grow healthier and yield better.


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Invisibleindian hemp
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Re: Mycorrhizal associations *DELETED* [Re: b3jamboree]
    #10150979 - 04/12/09 08:23 AM (14 years, 9 months ago)

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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: indian hemp]
    #10151188 - 04/12/09 09:57 AM (14 years, 9 months ago)

thanks, I'll have the try using elm oysters, I have a culture coming in soon. Not sure what RTI is indian... Anyway, does anyone have advice to how I should be inoculation the plants? So far I've got the impression that I just crumble up some colonized substrate into my potting soil. Is anything else needed? thanks


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InvisibleInfiniteOhms
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10152693 - 04/12/09 03:14 PM (14 years, 9 months ago)

I add a hand full of forest soil to planting holes when i plant trees and shrubs, it seems to do a good job of inoculating them with wild fungi. I also had some cardboard stored on the ground under trees over the fall/winter... when i went to use it this spring (as sheet mulch) it was covered in wild mycelium, who knows what it is, but it seems like having diverse wild fungi in the garden will be a good thing.


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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: InfiniteOhms]
    #10152781 - 04/12/09 03:28 PM (14 years, 9 months ago)

Ok, thanks. Do you think piling colonized straw around the plant on the surface would work?


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OfflineMephistophelian
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10152847 - 04/12/09 03:42 PM (14 years, 9 months ago)

I don't think putting it on the surface would do the same as having it buried within the bank of nutrients. If it was deeply set in the soil...the straw/chips/etc then it would constantly be converting the nutrients available and putting them back into the general vicinity of the plants roots making it more efficient. If it was on the surface...it would dry out quickly as well and stop doing its handy work.


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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: Mephistophelian]
    #10152898 - 04/12/09 03:49 PM (14 years, 9 months ago)

So you mean add the mycelium to the potting mix right? Should I crumble and mix or just layer? Is there a certain substrate that would be better, like straw? thanks


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OfflineBuckeye Oysters
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10153514 - 04/12/09 05:48 PM (14 years, 9 months ago)

Mix the mycellium into the soil/chips evenly


--------------------
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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: Buckeye Oysters]
    #10153596 - 04/12/09 06:07 PM (14 years, 9 months ago)

Ok, thanks.


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OfflineParesthesia
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10154904 - 04/12/09 10:07 PM (14 years, 9 months ago)

"Mycorrhizal" specifically means fungi that have a direct symbiotic relationship with a host plant.  They don't grow reliably in vitro.  If you don't want to shell out the money for one of FP's spore mixes, then your best bet is to transplant some 'living soil' into your containers.  By that I mean garden soil from around healthy plants that have not been treated with synthetic fertilizers or pesticides.  Chances are pretty good that you'll pick up some mycelium or spores from native mycorrhizal species.

Incidentally, most of the tasty mycorrhizal species are ecto-mycorrhizal, so throwing chanterelle stem butts in with the tomatoes won't do you any good. :frown:


--------------------
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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: Paresthesia]
    #10154999 - 04/12/09 10:28 PM (14 years, 9 months ago)

Quote:

Paresthesia said:
"Mycorrhizal" specifically means fungi that have a direct symbiotic relationship with a host plant.  They don't grow reliably in vitro.  If you don't want to shell out the money for one of FP's spore mixes, then your best bet is to transplant some 'living soil' into your containers.  By that I mean garden soil from around healthy plants that have not been treated with synthetic fertilizers or pesticides.  Chances are pretty good that you'll pick up some mycelium or spores from native mycorrhizal species.

Incidentally, most of the tasty mycorrhizal species are ecto-mycorrhizal, so throwing chanterelle stem butts in with the tomatoes won't do you any good. :frown:




I'm pretty sure morels are mycorrhizal, yet they grow very well invitro, faster than any other species I have. As far as I understand, mycorrhizal species only are very hard to fruit in an artificial environment. I don't quite understand your chanterelle statement, since I though that ecto-mycorrhizal ment that the fungi grew in the soil, not in the root of the plant itself. :confused2:


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OfflineRogerRabbitM
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10155713 - 04/13/09 12:57 AM (14 years, 9 months ago)

My theory based on observation is that most mushroom species are mycorrhizal to a greater or lesser degree.  They may not require a plant host to fruit, but they still benefit from the plant or tree, and return the favor.  We can see this quickly with our house plants.  Put your left over spawn or spent substrates into your houseplants and watch them take off.
RR


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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10156717 - 04/13/09 08:36 AM (14 years, 9 months ago)

Morels are... "special."  They exhibit the ability to grow outside of mycorrhizal relationship, but they form mycorrhizal relationships easily.  I think this is more opportunistic than necessary.  One of the factors that triggers morel fruitings is the death of the host plant.  Something about that actually triggers fruiting, at what is likely the best time for morels to take advantage of a newly cleared landscape.  Maybe.  I don't know.  Morels are just both, alright?!


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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: Paresthesia]
    #10159877 - 04/13/09 06:04 PM (14 years, 9 months ago)

Ok, thanks RR and Paresthesia. What about boletus...are they "special" too? I've seen some posts where people have grown them out on agar...


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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10160112 - 04/13/09 06:57 PM (14 years, 9 months ago)

Boletes are ectomycorrhizae, which means they tend to associate with woody plants.  Most annuals associate with endomycorrhizae, none of which are good to eat as far as I know.  It would be freaking awesome if I could grow bok choy and matsutake together, but it just isn't gonna happen. :smile:


--------------------
"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."

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Invisibleindian hemp
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Re: Mycorrhizal associations [Re: Paresthesia]
    #10160446 - 04/13/09 07:55 PM (14 years, 9 months ago)

I read in one of Paul Stamets books that mushrooms don't do well if you plant them too deep because the mold has the advantage when you go past a certain depth(6 inches?) so that's why I suggested having the mushrooms at the upper layer and RTI is reforest technologies international, their mycorrhizae has done great things with pumpkins and other food crops.

http://www.reforest.com/

Trichoderma, oysters and the RTI mycorrhizae shouldn't compete with each other since a lot of companies sell mixes of different beneficial fungi to inoculate root zones with.

Oysters will still be beneficial when planted deeper because even if the mycelium dies it'll still provide very bio available nutrients.


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OfflineScavengerType
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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10161021 - 04/13/09 09:33 PM (14 years, 9 months ago)

so RR (or others), from a clone, do you think that it is possible that the genetics of the clone could prevent(or facilitate) it's expression of a symbiotic relationship with the plant?


--------------------
"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.
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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: indian hemp]
    #10161082 - 04/13/09 09:43 PM (14 years, 9 months ago)

Quote:

Paresthesia said:
Boletes are ectomycorrhizae, which means they tend to associate with woody plants.  Most annuals associate with endomycorrhizae, none of which are good to eat as far as I know.  It would be freaking awesome if I could grow bok choy and matsutake together, but it just isn't gonna happen. :smile:



I thought that ectomycorrhizae meant the mycelium lived outside the root, and endomycorrhizae live inside the root. Aren't morels endomycorrhizae, and good to eat? :grin:

Quote:

indian hemp said:
I read in one of Paul Stamets books that mushrooms don't do well if you plant them too deep because the mold has the advantage when you go past a certain depth(6 inches?) so that's why I suggested having the mushrooms at the upper layer and RTI is reforest technologies international, their mycorrhizae has done great things with pumpkins and other food crops.

http://www.reforest.com/

Trichoderma, oysters and the RTI mycorrhizae shouldn't compete with each other since a lot of companies sell mixes of different beneficial fungi to inoculate root zones with.

Oysters will still be beneficial when planted deeper because even if the mycelium dies it'll still provide very bio available nutrients.




Thanks for the information. I'll inoculat the plants in shallow trays, so they'll be "infected" with the fungi, and carry it to their larger pots after transplanting. Got my h. ulmarius culture, so I'm good to go. I'll also bury spent substrate for the nutrients. How about soaking seeds in peroxide, then mixing them into spent substrate for germination?  :strokebeard:


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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10162903 - 04/14/09 08:21 AM (14 years, 9 months ago)

Endo... morels?  I don't know!

Endomycorrhizae will burrow into the walls of root cells but do not actually penetrate the cytoplasm.  There the exchange occurs.  The vast majority of plants (70%) associate with endomycorrhizae, including grasses and annual plants, some trees and palms, etc.

Ectomycorrhizae typically associate with woody plants like trees, shrubs and roses.  These tend to be very specific in their host plants, depending on the region they're found in.  These form a sort of sheath around the roots, and the hyphae burrow in between cell walls.

According to Stamets, mycorrhizal species can actually be propagated by placing stem butts against the roots of suitable host plants.  I'm planning an experiment with this once the chanterelles come up, or I can find specimens of a suitably tasty bolete.  I'd like to see if including a stem butt from one of these species in an air layering pot will help with root formation and produce an inoculated host.


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Re: Mycorrhizal associations [Re: Paresthesia]
    #10163067 - 04/14/09 09:14 AM (14 years, 9 months ago)

Yes, though endomycorrhizal hyphae actually grow into the root cells and into the cytoplasm.

The mushroom tissue on the roots method should be best with young seedlings, which did not form any symbiosis already.

In lack of fresh tissue of the desired mushrooms, I grind up dried specimens and put some powder on the pots before watering, hoping the spores germinate close to growing root tips.

Regarding morels... most trees mentioned are ectomycorrhizal, except apple trees.

Carsten


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Re: Mycorrhizal associations *DELETED* [Re: Roger Fudd]
    #10163236 - 04/14/09 10:15 AM (14 years, 9 months ago)

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Invisibleindian hemp
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Re: Mycorrhizal associations [Re: sheikofshiitake]
    #10166429 - 04/14/09 07:00 PM (14 years, 9 months ago)

A peroxide soak is fine but don't leave them in too long, because the peroxide can damage some plants roots. I think the oyster would take over even if there is no peroxide treatment since it's already a mycelium and doesn't have to germinate. It's a good idea to have wood chips on the soil surface for the oysters to grow into so they can rain down nutrients into the soil and attach to the upper part of the roots easier. If you water it regularly or keep a good amount of mulch on top of the wood chips it should be fine. You probably don't live in a desert like I do so I don't think it would be a problem.

Humic and fulvic acids from worm shit chelate nutrients and make them available to plants so worm shit is a good idea. Worm shit also adds structure to the soil, preventing nutrients from slipping away and holding moisture much better than most soil that lacks worm shit.

Adding manure to soil tends to prevent humic acid formation and so it makes it more difficult for plants to get nutrients from it. I think Roger Rabbit said a plant would die if it was planted just in manure but I'm not so sure it would die because plants excrete acid from the root tips in order to chelate nutrients when there's no natural chelating agents available. I'm sure some plants would die if planted in nothing but manure but others would survive, they just wouldn't thrive.

I think manure should just be used as a worm and mushroom food. I'm going to plant some plants in plain manure to see what happens. Plants native to areas where there's just sand should do better since they've got better acid secretion than plants from areas where there's rich soil with lots of organic matter in it.

If you mix manure in, you should wait till your oyster mycelium is established in symbiosis with the plant and then add red worms to the soil so they can turn the animal manure into worm shit. This is if you don't already have a lot of worms in the soil of course.

It's best to avoid synthetic chelating agents because they leak into ground water and leach heavy metals and other toxic substances into the ground water. They also don't hold a soil structure the way natural worm shit does, so they're not nearly as effective.


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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: indian hemp]
    #10166749 - 04/14/09 07:44 PM (14 years, 9 months ago)

Ok, thanks. I'll use all of that advice. I think I'll add some compost to the top too. They are pretty pasteurized out of the bag, since it is a horse stable that carrys them, and with clear plastic bags in the hot summer sun, it really cooks em. I am in a desert by the way :lol:


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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10167711 - 04/14/09 09:42 PM (14 years, 9 months ago)

When you're talking about mycorrhizal oysters, I hope you mean Hypzizygus.  Pleurotus is known for impairing the growth of companion plants, according to Stamets.


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Invisibleindian hemp
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Re: Mycorrhizal associations [Re: Jef]
    #10167912 - 04/14/09 10:12 PM (14 years, 9 months ago)

I have only seen positive effects from oysters in my plants :shrug:

and I mean pleurotus.


Edited by indian hemp (04/14/09 10:16 PM)


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Re: Mycorrhizal associations [Re: indian hemp]
    #10167997 - 04/14/09 10:23 PM (14 years, 9 months ago)

Well, I guess even a god can be wrong then.:)


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Invisibleindian hemp
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Re: Mycorrhizal associations [Re: indian hemp]
    #10168037 - 04/14/09 10:29 PM (14 years, 9 months ago)

I have a few of his books. Where does he say that it impairs plant growth?


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Invisibleindian hemp
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Re: Mycorrhizal associations [Re: indian hemp]
    #10168250 - 04/14/09 10:58 PM (14 years, 9 months ago)

Nevermind, in page 194 of mycelium running he mentions that pleurotus ostreatus had a diminishing effect on plant growth.


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Re: Mycorrhizal associations [Re: indian hemp]
    #10168290 - 04/14/09 11:02 PM (14 years, 9 months ago)

Mycelium Running pg 194

"The most remarkable results occurred in connection with the matching of the elm oyster with Brussel sprouts and broccoli.  In total weight the beds with the elm oyster yielded 4 to 6 times as much vegetables as  those without.  In contrast oysters, (Pleurotus ostreatus) had a diminishing effect on plant growth and yield, although nearly a kilogram of fresh oyster mushrooms were harvested."

Your growing conditions may be way different from his.  My guess would be that pleurotus may directly compete with plants for nitrogen, or kill off beneficial microbes as a nitrogen source, to the detriment of the plant.  Elms I believe to be mycorrhyzal, but not true oyster mushrooms.

Just my guess.


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Edited by Jef (04/14/09 11:03 PM)


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Invisibleindian hemp
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Re: Mycorrhizal associations [Re: Jef]
    #10168428 - 04/14/09 11:18 PM (14 years, 9 months ago)

I used pulmonarius but it should be the same as ostreatus. I'll have to do some more tests with it. It kind of makes sense though because you can make herbicides with hot water extracts of pleurotus ostreatus mycelium, if I remember correctly.


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Re: Mycorrhizal associations [Re: indian hemp]
    #10168670 - 04/14/09 11:52 PM (14 years, 9 months ago)

Quote:

indian hemp said:
I think Roger Rabbit said a plant would die if it was planted just in manure but I'm not so sure it would die because plants excrete acid from the root tips in order to chelate nutrients when there's no natural chelating agents available.




I believe you misread.  I said if you put a plant in sterilized soil with sterilized manure, it would starve.  The manure is useless to plants without bacteria and/or fungi to break it down.
RR


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Invisibleindian hemp
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Re: Mycorrhizal associations [Re: RogerRabbit]
    #10168784 - 04/15/09 12:10 AM (14 years, 9 months ago)

I didn't know where you posted it, else I would've double checked. I will try the sterilized manure and soil though. But it seems like the bacteria and fungi would find their way in through the air eventually.


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OfflineParesthesia
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Re: Mycorrhizal associations [Re: indian hemp]
    #10169514 - 04/15/09 05:06 AM (14 years, 9 months ago)

Brassicas (Cabbage, Broccoli, Brussels Sprouts, Kale, Cauliflower, etc.) do not generally form mycorrhizal partnerships.  Stamets' boosted yeilds are most likely due to the elm oysters making soil nutrients available to the plants.


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InvisibleJaComet
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Re: Mycorrhizal associations [Re: Paresthesia]
    #10169611 - 04/15/09 06:10 AM (14 years, 9 months ago)

I found that Boletus tissue takes off on cardboard. By culturing some tissue and taking samples of related soil for inoculation, I am hoping to move same from my picking area and introduce to similar  environments closer to home.


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InvisibleRoger Fudd
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Re: Mycorrhizal associations [Re: JaComet]
    #10173260 - 04/15/09 06:24 PM (14 years, 9 months ago)

Wow, this thread really exploded. I guess I'll have to use h. ulmarius. Thanks again for all the info


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Re: Mycorrhizal associations [Re: Roger Fudd]
    #10199731 - 04/20/09 04:57 AM (14 years, 9 months ago)

Threadjack:

So I'm going to make some tree seedlings here and I'm wondering, should I just dig some dirt around a neerby tree and ad that to the soil? The seedling planters are real small so I'm wondering how one could be sure they are adding proper fungal associations. If so what kinds of growth benefits should I see?


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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."
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Re: Mycorrhizal associations [Re: ScavengerType]
    #10229749 - 04/25/09 12:50 AM (14 years, 9 months ago)

*bong*


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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: Mycorrhizal associations [Re: ScavengerType]
    #10330508 - 05/13/09 12:52 AM (14 years, 8 months ago)

*Bump*


--------------------
"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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InvisibleJef
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Re: Mycorrhizal associations [Re: ScavengerType]
    #10330708 - 05/13/09 01:45 AM (14 years, 8 months ago)

Not that it's my joy to be "Dr. Doom, Killer of All Hope" but I hate to see people engage unknowingly in futile activities.  If you know, and still want to try...have my blessing for your energy.

The beginning of last fall's bounty:

,,

The fungus supplies the tree with minerals and water.  The tree pays the fungus with sugars.  The tree, like any good Wal Mart customer, will buy it's water and minerals from whatever fungus is willing and able to supply them...for the least possible amount of sugars.

So if, under your conditions, one of the legions of other fungal species will do the job for less...you're S.O.L.  Even if it works at first...times and conditions change...and so do fungal partners.

Chanterelles here in the PNW (really the Pacific South West, here, in Canada) Chanterelles typically grow partnered in second growth forests with Douglas Fir and Western Hemlock that are between about forty and eighty years old.  I can tell you that maybe only 20% of these particular-aged stands have chanterelles in the fall.  The other 80%, and also those older and younger than this, presumably have other fungal partners, but not chanterelle.

If, on the other hand,  you're planting the tree anyways...give it a shot.  What have you got to lose ?

You could try the dirt from a mushroom-productive tree of the same species but success is very iffy.


Edited by Jef (05/13/09 01:59 AM)


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OfflineHorticulture
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Re: Mycorrhizal associations [Re: Jef]
    #10331697 - 05/13/09 10:29 AM (14 years, 8 months ago)

You could try the dirt from a mushroom-productive tree of the same species but success is very iffy.

This is a better idea than you give it credit for.  The mycelial networks mycorrhizas have are generally enormous often bridging multiple trees and many different plants species, even some that serve the fungus no apparent benefit (Monotropa genus).  If there is live mycelia in the shore, it is almost sure to associate with a compatible plant species. 

Furthermore, many species of mycorrhizal fungus do not ever show their fruit above ground.  Many simply spore within the soil, making their presence virtually unknown.  Germinating things in wild soil, or wild soil/potting soil mixes I foresee as a popular tactic for amateur horticulturists in the near future.  I have some great looking alpine strawberry seedlings that I started in a 50/50 mix of potting soil, and wild soil taken from the roots of wild strawberries.  When they set seed, I'll set up an experiment to give people an idea of the direct benefit, if any.


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Re: Mycorrhizal associations [Re: Horticulture]
    #10335946 - 05/14/09 01:04 AM (14 years, 8 months ago)


I missed the part about the growth benefits, presumably to the tree. My mind, as always was one track ...on mushrooms.

If we're talking about the happiness of the tree, then definitely transplant some colonized soil over for a "job interview".  Some plants have many, many, mycorrhyzal partners simultaneously, so the tree will likely have it's choice of more than one partner.

You would notice that the tree grew faster and had more resistance to disease and drought than other trees that were not partnered.




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Tell me and I will forget. Show me and I will remember.  Involve me and I will learn.


Edited by Jef (05/14/09 01:12 AM)


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