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OfflineStevofrmAus
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Registered: 05/09/10
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Growing the black Perigord truffle
    #22987651 - 03/09/16 12:07 AM (8 years, 21 days ago)

I've been trying to grow the French Black truffle for over 10 years without success. We've got inoculated oak trees that are now mature and happy, and have always had the 'burnt' brulee beneath many trees, however we've never had a fruiting truffle.

Our soil is largely clay based and these pictures are taken at the end of summer (hence the horrendously dry conditions), whereas in winter we are quite water logged.

PH levels of the soil are correct.

Looking for any advice on how to instigate truffle fruiting...or any observations as to why they might not be.










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OfflinepoofterFroth
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Re: Growing the black Perigord truffle [Re: StevofrmAus]
    #22988234 - 03/09/16 07:48 AM (8 years, 21 days ago)

First off, kudos for being hardcore and taking a huge risk on cultivating truffles. :hairmetal:

..........................................................

Where did you source your inoculated tree's from, and how reputable is your source? 

How many truffle tree are you growing, and what is your climate like(where are you located)?

Do you have truffle dogs coming up empty handed when sniffing over your orchard. 

Yes, that soil looks extremely dry and uninhabitable, but you've got irrigation so why aren't you using it?  Truffle production is severely affected by dry conditions.

If your soil is water-logged in winter maybe your soil conditions/drainage is actually inadequate...maybe something to do with excess clay in your soil.

Some competing fungi and nonfruiting fungus can also produce brule's. :frown:

Not sure you can initiate truffle fruitings except by providing and maintaining the correct soil conditions, moisture and such.

Although, some people believe that thunder storms and lightning may actually help initiate fruiting's.

Surely you've sought out advice about your problems through other sources and truffle growers. What incite do they have about it?


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Edited by poofterFroth (03/09/16 12:52 PM)

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InvisiblePastywhyteMDiscord
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Re: Growing the black Perigord truffle [Re: poofterFroth]
    #22988281 - 03/09/16 08:12 AM (8 years, 21 days ago)

Man if you figure out the trick to fruiting mycorhyzal species lemme know. From what I understand it's a pretty hit or miss type of project.

Edited by Pastywhyte (03/09/16 11:13 AM)

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OfflinecronicrFacebook
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Re: Growing the black Perigord truffle (moved) [Re: StevofrmAus]
    #22988699 - 03/09/16 11:10 AM (8 years, 21 days ago)

This thread was moved from Mushroom Cultivation.

Reason:
:smile:

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OfflineMountainGrow
Registered: 02/18/09
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Re: Growing the black Perigord truffle (moved) [Re: cronicr]
    #22988933 - 03/09/16 12:39 PM (8 years, 21 days ago)

good luck and god speed!

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OfflineTravelAgency
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Re: Growing the black Perigord truffle (moved) [Re: MountainGrow]
    #22989024 - 03/09/16 01:26 PM (8 years, 21 days ago)

Good luck! Persistence will pay off I'm sure!


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OfflineStevofrmAus
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Re: Growing the black Perigord truffle [Re: poofterFroth]
    #22990841 - 03/09/16 10:37 PM (8 years, 20 days ago)

Thanks mate, we've got about 30 trees and bought the inoculated saplings from Tassie (supposed to be reputable), and yeah we've taken a trained truffle dog across all trees for 10 years with no success.

Absolutely the soil is dry at the moment, but we read that dry conditions then wet in winter were OK. Irrigation is on and off irregularly - but unfortunately our clay based soil just dries out that much. We've attempted to break up the clay without much luck.

Drainage wise, the trees are on a hill so it varies along the way (waterlogged at base, but OK for 70%).

I've been reading that it's likely you need male/female variants of the tuber to actually produce fruit, but we aren't keen to go down to the micro level yet as it's an untested theory.

Can you suggest other fungi that create brûlée? We've always taken those as a sign the truffle fungus is there, but it it's something else entirely than we may give up.

It's a painful and heartbreaking exercise

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InvisibleShr00mZ
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Re: Growing the black Perigord truffle [Re: StevofrmAus]
    #22990874 - 03/09/16 10:47 PM (8 years, 20 days ago)

Oak trees take 12+ years to begin fruiting. The formation of brulee is a good sign.

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OfflinepoofterFroth
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Re: Growing the black Perigord truffle [Re: Shr00mZ]
    #22995399 - 03/11/16 09:11 AM (8 years, 19 days ago)

Competing fungi like Scleroderma and angle droit can produce brule's.  Also, brules have been found in New Zealand around plants infected with bianchetto (Tuber borchii).

But ultimately the formation of a brule, is still unclear... 

In Europe, Perigord black truffles occur naturally and are cultivated on rendzinas soils, with high pH (optimum pH for Tuber melanosporum is 7.9),overlaying fissured limestone and don't have an excess of clay, silt, or sand.

To much acidity or phosphates can also hinder production. 

I would be very interested in hearing about your process of starting and maintaining your orchard. How you decided on a proper location, prepared and ammended your soils/land and how you've maintained it it over the past 10 years.

What kind of research have you done or experience do you have in truffle cultivation methods?

Don't be so discouraged that you give up, if it was easy everyone would be doing it.

You should be contacting truffle growing associations and growers in your area and seeking out as much information and advise as possible.  Visit some productive truffle orchards, also visit unproductive operations. Read everything truffle related you can get your hands on.

Hopefully you've already been actively learning as much as possible about cultivating and marketing truffles over the past decade...
:buddha::buddha::buddha::buddha::buddha::buddha:


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