How truffle season 2020 has gone in the southern Hemisphere?

With a black truffle harvesting season that runs from mid-May to early September, and volumes increasing year after year, truffle growers in the southern hemisphere encountered a full-blown pandemic and completely closed borders, which of course nullified export possibilities. In July some restaurants in some countries reopened and demand recovered somewhat, both domestic and export. Even so, several truffle growers explain the nightmare of searching for new shipping channels, some through unusual hubs.
In this link you can see the potential maps for truffle cultivation in some of these countries.


Australia has 192 members in its growers association. Best guess for Australian total production of T. melanosporum is 12.0t  to 12.5t Clean, being similar to 2019.

Anecdotally rot levels were higher than the past 4 years, probably due to

·       Impact of severe drought followed by heavy rains across the truffle growing regions of eastern Australia

·       Longer rotation between hunts due to lack of access to markets – many producers not selling their crop

The Manjimup/Pemberton region in Western Australia again produced over 80-90% of Australia total production of T. melanosporum

Total sales of Fresh Truffle were down, unsold product being “dumped” or frozen, either to be re-used in the orchard or sold later. Actual frozen volumes are unknown and subject to speculation.

Domestic Fresh Truffle Sales: Difficult to ascertain with most of Australia’s F&B Industry on a stop-go-stop during the entirety of our fresh season. In past 2 years Domestic Sales of Fresh Truffle have been estimated about 1.2t – this year it is “guessed” at less than 500kg given Melbourne was “closed” for the majority of the season. Another contributing factor domestically was broken logistics with shipments across Australia taking up to 2 weeks rather than 48 hours in a usual year – that time delay does not work for sending fresh truffle.

Export Fresh Truffle Sales: Australian Bureau of Statistics data indicates Exports of Fresh Truffle from Australia were 6.9t – down 13% on the past 2 years. Again all the Covid-19 factors that resulted in broken logistics, higher freight costs, a F&B industry in turmoil, credit risk and consumer uncertainty in all contributed to lower fresh truffle exports from Australia


Hard to get real data in this country as growers are still very silent. Probably they did not produced more than 500kg.

The former president say that “realistically, the current market for fresh truffle in NZ at the moment may be about 250 kg per season. We need to get an export market going”

The production is growing including a proportion of Bianchetto (perhaps 20%).

NZ was one of the countries that did better with Covid, so truffle season was still okay, as NZ came out of Lockdown in May, as the season commenced. So the whole season run on mostly Level 1 of 4. Sales were steady for the whole of the season.


In this country most plantations are still young, so the season 2020 was quite good for some growers, producing 50% more in yield than last year.  Growers were able to travel with special permits for harvesting to the farms that are within our own province. But courier services were unreliable during lockdown. 

Covid interrupted sales to restaurants as the government had to close all fine dining establishments therefore growers were unable to sell to chefs as before.  A whole new market of private sales opened up. More and more people learned to cook at home, seeking more interesting and luxurious ingredients. 

Some farmers actually left their truffles in the land hoping for a better season next year.

So generally truffle sales in South Africa was very good this season, but due to the Corona Virus pandemic and many borders being closed,  it is hard to establish a realistic result of quantities produced in South Africa. My guess after talking with several growers is around 200 kilos produced.


Chile has about 300 hectares of black truffle plantations. The 2020 season accounted for 1.35 tons of black truffle, 60% more than in 2019, which reached 800kg. Export complex at the beginning of the season due to Covid, but then improved especially at the end of it.

In addition, work is beginning with other varieties of truffles, such as Tuber borchii, of which approximately 18 ha have been established among the Metropolitan and Aysén regions, which are mostly in their second year of growth.

In the season that ended at the beginning of September, there was a significant increase in national consumption (gastronomic use), reaching approximately 25% of production (in 2019 domestic consumption was around just 10%) and 55% was intended for export. It is worth bearing in mind that the practice of reinoculating plantations with spores (spanish wells) also generates significant truffle consumption.
The effects of the CIVID pandemic were strongly felt in the difficulties of internal and external logistics and in the decrease in demand from foreign customers due to the closure of the HORECA channel (hotels and restaurants) in Europe, the United States and Asia. It should be taken into account that Brazil and Mexico are two of the main countries importing Chilean truffles, whose demand was zero. However, with the rebound in external demand beginning in mid-July and the significant increase in domestic consumption, the marketing of fresh truffles was able to recover from the pessimistic outlook.
More information on the website of the Chilean Truffle Growers Association.


This year the season began with the restaurants and hotels closed and some small producers were not even able to reach their plantations for the hunting, until well into the season.

Despite the pandemic, interest in black truffles in Argentina is on the rise and many consumers, confined to their homes, decided to enjoy truffles. Which was a challenge for all producers, testing the logistics of each one, taking into account how sensitive the truffle is in its transport and also having increased the delivery points with a lower weight per order than last season, due to the lack of restaurants in operation and having more orders from consumers in their homes. The main Argentine producer so far (who has provided me with this information), Trufas del Nuevo Mundo, offered imaginative proposals like an online truffle hunt.

We estimate that the production in Argentina could have reached 250 kg, which allows it to reach an interesting volume to export.
Regarding the planted area in the country, it is estimated between 110 and 120 Ha. With a total of at least 15 truffle growers.
The largest amount of truffle is concentrated in the province of Buenos Aires, and it is currently the province with the largest amount of Kg produced. Some truffle plants also continue to develop in other provinces such as Neuquén, Rio Negro, Chubut, Córdoba and Tucumán.

All the best!

Marcos S. Morcillo

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Black truffle prices and volumes in Spain and France season 2019-20

In Spain we think the total harvest of black truffle (melanosporum) has been around 80-100 Tons, like previous season 2018-19. From the figures I see in France looks like volumes were pretty low and Italy produced some more than other seasons.

Figure from the last season in the Estación de Mora de Rubielos (Teruel) whole sale truffle market (means dirty truffle, all qualities mixed, not graded yet), the largest truffle market in Spain:

Blue line: whole sale minimum price Red line: whole sale maximum price  

I would like to thank the Asociación de Truficultores de Teruel to allow me to use this data.

Here a comparison with other truffle markets in two random weeks. Where it writes “al detalle” means “retail”:

If you want to compare with previous years, check this link:

If you want to check data from other markets, here some links:

We start the new black truffle season in Spain in 2 weeks. Even at the beginning of summer truffles were formed properly, in lots of areas season look pretty bad as we had a hot summer, plus there was a lack of rain specially at the end of summer and this fall. Looks like Italy and France is not gonna be better. So a typical year where prices should go up, but due to Covid and lack of demand probably they will be pretty low. Good luck everyone!


Marcos S. Morcillo

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I´ve been out the last year…

Hi all there!

lots of growers have approached me the last months asking why I don´t post anymore and I realized I unattended my blog without even noticing.

The reason is that I took a sabbatical year to do a trip around the world with my family. That simple 😉 and it has been a total disconnection, even social networks, as I did not even take my mobile phone to this journey. It´s been a terrific experience I do recommend anyone.

I returned with all bateries charged, as a truffleholic missing my team, my trees, my farm and my truffles and looking forward new truffle adventures.

During this trip it was schedulled to be visiting several growers in new Zealand and lecture at the annual meeting there, but Covid cancelled most plans. Hope to be able to meet my kiwi friends/growers sooner than later.

Fortunately we got trapped in French Polinesia (I know, so hard….), where we have been the last half year and just returned home safely in Barcelona.

I hope all of you are OK during this pandemic. Luckely I have been living in free Covid areas until now. Hope we can manage with all projects we have overseas, although face to face visits will have to wait.

I love writing this blog. I have been doing that for so many years. Enjoyed sharing our experiences, research, receiving your feedback (we are a huge community: it is amazing that this blog receives almost 40.000 visists annually) but honestly the last years we are getting more and more busy and it is hard to get time to sit and write, plus other social networks (twitter…) are faster, immediate, so I´m not sure I will be able to take care of it as I used to.

Anyway, we´ll find ways to stay connected, plus I can´t help sharing about my passion.

Stay safe!

Marcos Morcillo

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The License Agreement between Carolina Truffieres and Micofora has ended

We just want to make public that the collaboration agreement between Micofora and Carolina Truffieres has arrived to its end. From now on Carolina Truffieres will keep on producing and providing truffle trees under their own protocols, criteria and quality standards. We wish them all the best in the truffle world. See you truffling over there!


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Black truffle prices and volumes in Spain and France season 2018-19

Last truffle season is Spain was pretty good in volumes, growers enjoyed although prices drop quite a bit from last year. So growers with irrigation harvested similar quantities but sold their product a much less price. If Spain harvested last year around 40Tons, this year total production should be around 80Tons. Mainly due to good summer rains, that made orchards without irrigation and wild truffieres to fruit.

First truffles in the season had quite a low quality (so prices) due to an excess of rain in the fall that promoted truffles to rot. In fact so many fields where muddy in mid november, so hunters could not even get into the orchards…Moreover, highly productive orchards with irrigation, so with good yields year after year are helping our main pest, the beatle Leiodes to expand, this combined with a mild winter made beatle damage to increase.

See the three figures comparing the last 3 seasons in the Estación de Mora de Rubielos (Teruel) whole sale truffle market (means dirty truffle, all qualities mixed, not graded yet), the largest one in Spain.

I would like to thank the Asociación de Truficultores de Teruel to allow me to use this data.

Blue line: whole sale minimum price

Red line: whole sale maximum price  

Green line: : retail average price 

truffle prices in Spain season 2018-19

truffle prices in Spain season 2017-18

truffle prices in Spain season 2016-17

In the following figure, prices paid in Spain for black truffle from 1955 until 2014:

average black truffle prices in Spain -micofora

See in the following figures comparing prices and volumes in different french and spanish markets for 2 different weeks in February and March 2019. Where it says “al detalle” means retail:

truffle markets comparison week 16.-2-mar

truffle markets comparison week 13.-semana-9-feb

If you want to check data from other markets, here some links:

For the volumes shown in these links, looks like french production has been low again…

Let´s see how season goes down under. Good luck!


Marcos S. Morcillo

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Preliminary results on Tuber borchii ecological studies

bianchetto truffle farmed in Spain by micofora

A few months ago we published a poster at the TAUESG Vísby conference about Tuber borchii ecology, comparing natural producing sites in Portugal, Spain and Hungary.

Here you have links to download the poster:

Preliminary results on Tuber borchii Vitt. ecological studies 2018

Tuber borchii Vitt., also known as bianchetto, is considered to be a valuable species among the white truffles. Plantations have been established in Italy, Portugal, Spain, and New-Zealand. The natural distribution T. borchii is reported to Europe from United Kingdom to Hungary, and from Poland to Sicily. It is considered common in Italy where the species has been widely cultivated and used as a useful organism in molecular studies.

Main host plants of the species include stone pine (Pinus pinea L.) and maritime pine (Pinus pinaster Aiton) but it is also frequent under broad-leaved trees, such as oaks (Quercus spp.), larch (Larix spp.), and beech (Fagus spp.). Bianchetto truffle prefers sandy, free draining, calcareous soils with a pH around 7.

The present investigation focuses on natural Tuber borchii habitats, and plantations, located in Hungary, Portugal, Spain, and New Zealand. The characterisation of soil properties and detailed description of habitats have being conducted in truffières of those countries, and the presence of truffle mycorrhizae is being measured by morphological/anatomical tools.

Previous results show a wide range of host plants in Europe, with P. pinea and Quercus suber L. the main species in Portugal; Pinus sylvestris L., Quercus ilex L., Quercus pubescens Willd., and Quercus coccifera L. in Spain; and Quercus cerris L. and Quercus robur L. in Hungary. Canopy coverage ranges from 10% to 35% in Portugal, 40-80% in Spain and 85-90% in Hungary. Standard techniques are being employed to assess soil chemistry and texture.


Marcos S. Morcillo

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Coming Truffle Farming Conferences in the US

North American Truffle Growers Association

This february two conferences are organized in each coast of the US.

This coming weekend 2nd February the North American Truffle Growers Association makes its winter conference in Charlottesville (Virginia). I´ll be there as speaker to give two lectures about our latest research on adding truffle spores to the soil to boost fruitings. In fact I´m writing this post at the airport waiting my flight to Washington 😉

The second conference is organized will be the Idaho Truffle Farmers Weekend, February 22-24, 2019: idahotrufflefarmersweekend2019

This Associacion is member of the Western Truffle Growers Association. Will be held at the foothills above the City of Eagle, the heart of the Idaho truffle country which presently produces two varieties (T. melanosporum and T. borchii) and boasts three truffle farms with over 10,000 truffle trees planted.


Looking forward to meet friends and other american growers tonight.

Marcos S. Morcillo

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How to reduce glyphosate for weed control on truffle farming?

glyphosate on truffle farming

Glyphosate is translocated from shoots to roots and later released into the rhizosphere and can be later found in the soil up to one year later. There are plenty of papers that study its effect on mycorrhizal fungi but almos nothing on truffle:

–  Glyphosate herbicide affects belowground interactions between earthworms and symbiotic mycorrhizal fungi in a model ecosystem

–  Weed management and irrigation are key treatments in emerging black truffle (Tuber melanosporum) cultivation.

-Chakravarty & Sidhu 2007 [ectomycorrhizalfungi]:Fungal growth was significantly(P = 0.05) reduced particularly at concentrations above 10 ppm.

-Laatikainen & Heinonen-Tanski 2002 [ectomycorrhizalfungi] maneb, glyphosateand terbuthylazin estimulated the growth of some mycorrhizal fungi……

-Pasaribuet al. 2013 [arbuscularmycorrhizalfungi] Glomus growth was unaffected by glyphosate treatments. P intakeincreased.

-Beyrleet al. 2011 [orchidmycorrhizas] Application of glyphosate at0.5 or 1.0 mMhadno effect on fungal growth

– repeated use of glyphosate selects against grasses in favour of dicotyledons, Sourzat(2002

If you have a garden should know how much effort is to keep it without weeds. So to create an brûlé, a “bull fight arena” with no weeds at all it is not free! truffle invests energy to do it and if we help it, truffle will enjoy. Moreover trees will grow better without competition. So we´ve seen like glyphosate and other herbicides had a good effect on truffle mycelium concentration, but we do not want truffles with herbicides on them, right?

Here some tips. One option for the first 3 years is to use a white fabric geo textile:

Trees are first planted, irrigation pipes with e.g. 2 drippers/tree of 4L/h lay over surface and fabric is placed over the trees so they lie down. After that with a cutter we take trees out over the fabric, so they look like the following image:

weed control in truffle farming

Once trees start producing, we will need to control weeds out but over brules as well. Offset implements are great for that task so we till over brules but do not drive over them! see this power harrow on a young orchard:

During summer and autumn we will need to control weeds every 4-8 weeks, so power harrows or vibrotillers do a good job just tilling 3-4cm deep. We´ll kill (thin) the top shallow truffles, but won´t disturb the deeper ones or the ones at the spanish wells…

vibrotiller for truffle farming

implements for truffle farming


Marcos S. Morcillo


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how has 2018 black truffle season gone in the southern hemisphere?


This year, the countries of the Southern Hemisphere have had a black truffle season that in some cases has ended earlier and suddenly. Possibly due to a particularly wet autumn that may have caused many truffles to be harvested at the beginning of the season.


From the Association of Truffle Growers of Chile (ATChile) they tell us that they are quite satisfied, with several cases where the first production is given to the third year. In relation to exports this year there have been shipments abroad regularly, with the truffle being very well received. Note shipments are small but regular volumes.

Some plantations, still young have tripled the productions with respect to the previous year. One of the objectives that they intend to work with is to improve fruitbody size. The plantations more to the coast (with more clay textures) harvest larger truffles and several between 400 and 600 grs.

Quercus ilex are the trees that have given the best results. In several of the audits we have done in the country, Quercus robur appears with high contamination and low productivity.
This year there has been a marked interest in introducing more growers to this crop and others to expand their orchards, probably due to the productive results of several truffieres, some of them around 45 kilos per hectare with regular start of exports,  and with a high demand that could not be satisfied. Also, given that several plantations began to produce, including one of 40 hectares, the association estimates that for the next two years there will be an important leap in the production of Chilean black truffles, easily surpassing the ton.

There are some 400 hectares planted. This year, at least in ATChile, there are new projects for more than 40 hectares. Around 65 growers.

The estimated production for this season would be around 500 kilos. The association expected higher production, but some management complications and periodic rains in the southern area seem to have affected.

From the association send us this video:
I leave you a photograph of their president Javier Rozas, with some truffles from his plantation, with great regular shape:

trufas chile 2


In Argentina this industry is just taking off, with just about 58 kilograms for 2018, taking into account that there are 4 orchards with production and that the oldest ones are just 8 years old.

A single orchard is currently the main producer of the country contributing more than 60% of the total harvested in Argentina. Even with a young plantation, as their oldest trees are only 6 years old.

The truffle is consumed in the domestic market mainly since even the production volumes are low. On the other hand, it begins to be known in the country and create some domestic demand, thanks to the diffusion in TV media like this one:


South Africa truffle farming map micofora

in 2018 there are in the “Western Cape” region plantations with a total of 180 hectares that are young or just entering production.

In the areas of “Eastern Cape” and “Natal”, in mid-August and in the absence of the last weeks of the season, 40 kg of truffles of different qualities had been harvested.

Probably total crop for the whole country around 80 kilos of melano. Note some borchii orchards started to fruit as well on various trees including poplars and pecans…



truffle farming map of Australia micofora

Australia’s production of Périgord Black Truffle is very much skewed towards Western Australia with over 90% of the exports originating within 30km radius from the town of Manjimup – all within the Southern Forests Region of Western Australia:


melanosporum production data for Australia,  as for many countries, is difficult to calculate with certainty. In Australia the Australian Bureau of Statistics (ABS), a government department, collects information about exports according to a set of product codes.

Much of the east coast production is sold domestically and there is a strong agritourism industry as these truffieres are typically within 90 mins of large urban centres. This then also reflects in a higher average price per kilo in the east.

Australian Total Fresh Exports of T. melanosporum by weight was 8.5t and is 30% up on 2017 (ABS data)

Using this export data as a base Australia’s total production of saleable truffle as follows:

8.5t       exported fresh truffle from May to End of August 2018 – all grades

1.5t       best guess for local consumption as fresh truffle (low 1.2t to high 1.7t)

0.6t       frozen for sale as frozen truffle or use in gourmet truffle products

0.4t       other sales

By this calculation the total is 11t saleable truffle

At 2018 ATGA Conference in September in Medlow Bath, NSW, delegates from each state put forward their estimates of the amount of truffle sold based on their polling of members

9.50t        WA

1t        Victoria

1.20t        NSW includes Canberra

0.90t        Tasmania

12.20t       Australia

So the best guess for the 2018 Australian Truffle production is  11.4t to 12.9 t


All the best,

Marcos S. Morcillo

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Bookings open for the new editions of the Barcelona Truffle Tour 2018/19

truffle farming seminars in Barcelona

We just have new dates for the coming editions of the only 2 truffle growing seminars in english language we will organize in Barcelona:

10th-14th december 2018  and  11th -15th february 2019

This year we created a new full day “hands on” workshop on truffle spores & mycorrhizae. Here you will learn what kind of microscopes and magnifying lens you need to analyze truffle spores and roots and of course, how to use them.

The main topics will be:

Distinguish Tuber spores. So you can analyze your inoculum or truffles in your orchards and avoid low quality truffles as brumale or indicum.
Learn the morphology of the main Tuber species mycorrhizae.
Learn how to analyze the level of mycorrhization of a truffle seedling before planting it.
Learn the morphology of the main contaminant fungi…

Note group size is limited to 20 people & just 8 people for the microscope workshop.

And if you want to see what we do in these seminars, just get in

See you in Barcelona!

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