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Conclusions)
Preliminary*results*of*the*three*different*
sampling*areas*were*in*harmony*with*literature*
findings*(Gardin,*2005)*but*still*of*great*variance,*
proving*the*adaptability*Tuber&borchii&towards*
environmental*patterns.* ***
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1Szent István University, HU2100 Gödöllő, 1 str. Páter Károly, gogan.andrea@mkk.szie.hu
2Micología Forestal & Aplicada, Barcelona, Spain
3Department of Agricultural and Food Sciences University of Bologna, Bologna Italy
4Truffles and Mushrooms (Consulting) Ltd., P.O. Box 268, Dunedin 9054, New Zealand
5Center for Neuroscience and Cell Biology, Rua larga, Edf Faculdade de Medicina, Polo I, 1º Piso,
University of Coimbra, 3004-504 Coimbra, Portugal, amjrazul@ci.uc.pt
Preliminary)results)on)Tuber&borchii)Vitt.)
ecological)studies)
*
Andrea*Gógán*Csorbai1,*Katalin*Posta1,*Marcos*Morcillo2,*
Alessandra*Zambonelli3,*Ian*R.*Hall4,*Anabela*Marisa*Azul5*
*
Introduction)
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* (Hall* et* al.,* 2007).* The* natural* distribution*of*T.& borchii* is* reported* 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*(Murat*et*al.,*2018).**
The*main*host*plants*include*evergreen*oaks,*cork*oak*(Quercus&suber&L.),*holm*oak*(Quercus&ilex&L.)*and*kermes*oak*(Quercus&coccifera*L.),*stone*pine*(Pinus&pinea&
L.)*and*maritime*pine*(Pinus&pinaster&Ait.)*but*it*is*also*frequent*under*broad-leaved*trees,*such*as*oaks*(e.g.,*Quercus&cerris&L.,*Q.&pubescens&Willd.,*Q.&robur&L.*),*
larch*(Larix&spp.),*and*beech*(Fagus&spp.).*Bianchetto*truffle*prefers*sandy,*free*draining,*calcareous*soils*with*a*pH*around*7.**
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Soil)properties)
Soil*parameters*of*the*sampled*sites*proved*to*be*similar*considering*organic*
matter*(Figure*3),*ranging*between*2,76%-3,63%*and*pH*(Figure*4)*with*a*range*
of*6,29-7,55*(pH*H2O)*and*5,63-7,33*(pH*KCl).*The*lowest*organic*matter*
content*was*detected*in*Spain*with*the*highest*pH.*
However,*lime*content*of*the*examined*soils*was*considerably*different,*
missing*or*present*in*traces*in*Portuguese*soils*and*very*high*amount*in*
Spanish*sites*(Figure*5).**
Soil*physical*characteristics*fell*into*the*range*drawn*by*Hall*et*al.*(2007)*with*a*
slight*separation*of*Portuguese*sites.*It*is*worth*to*note*that*the*amount*of*
gravels*was*high**(~*30%)*in*Portuguese*soils,*also*present*in*Spanish*samples*
(~10%)*while*totally*missing*in*Hungarian*soils.**
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Botanical)results)
Previous*studies*reported*a*wide*range*of*host*plants*in*Europe,*Q.&suber*(Azul*et*al.*2010)*and*P.&pinea**(Azul*et*al.*2014)*in*Portugal;*Pinus&sylvestris&L.,*Q.&ilex,*Q.&
pubescens,*and*Q.&coccifera*in*Spain;*and*Q.&cerris*and*Q.&robur*in*Hungary.*Canopy*coverage*ranges*from*10%*to*35%*in*Portugal,*40-80%*in*Spain*and*85-90%*in*
Hungary*(Figures*6-8).***
Figure*6.*Hungarian*T.&borchii&habitat*
Figure*7.*Portuguese*T.&borchii&habitat* Figure*8.*Spanish*T.&borchii&habitat*
Figure*5*CaCO3*content*of*T.&borchii&soils*
Figure*4*Soil*pH*of*T.&borchii&soils*Figure*3*Organic*material*content*of*T.&borchii&soils*
Figure*2*Physical*properties*of*
soil*of*the*studied*sites*
(following*Hall*et*al.*2007)*
Materials)and)methods)
The*present*investigation*focuses*on*natural*Tuber&borchii*habitats,*and*plantations,*located*in*Hungary,*Portugal*
and* Spain*(Figure*1.).* 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.*Here,*some*preliminary*results*of*the*running*study.**
Figure*1*Sampling*sites**
References)
Azul*AM*et*al.*(2014)*First*insights*on*Tuber&borchii&distribution*in*both*natural*forests*and*experimental*truffle*fields*in*
Portugal.*International*Congress*on*Mycorrhizae,*Marrakesh,*Morocco,*October*15-17.*
Azul*AM*et*al.*(2010)*Mycorrhiza*20,*73--88*
Gardin* L* (2005)* I* tartufi* minori* in* Toscana.* Gli* ambienti*di*crescita* dei* tartufi* marzuolo*e*scorzone.* Quaderno* ARSIA,*
January*2005.)
Hall* I,* Brown* G* &* Zambonelli* A* (2007)* Taming* the* Truffle.* The* History,* Lore,* and* Science* of* the* Ultimate* Mushroom.*
Timber*Press,*Portland,*OR.*
Murat*C,*Kuo*A,*Barry*KW,*et*al.*(2018)*Draft*genome*sequence*of*Tuber&borchii&Vittad.,*a*whitish*edible*truffle.*Genome*
Announc*6:*e00537-18.*
Acknowledgement)
TÉT_16-1-2016-0076*project,*Agreement*between*Portugal*(FCT)*and*Hungary*(NKTH)*ID*6818.*
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