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Is Tuber brumale a threat to T. melanosporum and T. aestivum plantations?

Francesca Ori (1), Pamela Leonardi (2), Enrico Stagnini (1), Valentina Balestrini (2), Mirco Iotti (1)   , Alessandra Zambonelli (2)

iForest - Biogeosciences and Forestry, Volume 11, Issue 6, Pages 775-780 (2018)
doi: https://doi.org/10.3832/ifor2785-011
Published: Nov 28, 2018 - Copyright © 2018 SISEF

Research Articles


True truffles in the genus Tuber are the most valuable ectomycorrhizal fungi and their cultivation has become widespread around the world. Competition with other ectomycorrhizal fungi and especially with undesired Tuber species, like T. brumale, can threaten the success of a truffle plantation. In this work, the competitiveness of T. brumale towards T. melanosporum and T. aestivum was assessed in a 14 year-old plantation carried out planting seedlings inoculated with these three truffle species in adjacent plots. Analyses of both truffle ectomycorrhizas and extra-radical mycelium were carried out in the transects separating the T. brumale plot from T. melanosporum and T. aestivum plots. The results confirm the competitiveness of T. brumale against T. aestivum and T. melanosporum due to its major ability to colonize the soil around its ectomycorrhizas. However, its competitiveness is limited to the transect areas and it was never found inside T. melanosporum plot. These results remark that, in presence of optimal conditions for T. melanosporum and T. aestivum, the greatest risk of contamination with T. brumale is due to wrong greenhouse activity.

  Keywords


Competition, Black Truffles, Extra-Radical Mycelium, Ectomycorrhizas, Species-Specific Primers

Authors’ address

(1)
Francesca Ori
Enrico Stagnini
Mirco Iotti
Department of Life, Health and Environmental Sciences, University of L’Aquila, I-67100 L’Aquila (Italy)
(2)
Pamela Leonardi
Valentina Balestrini
Alessandra Zambonelli
Department of Agricultural and Food Sciences, University of Bologna, v.le Fanin 46, I-40127 Bologna (Italy)

Corresponding author

 
Mirco Iotti
mirco.iotti@univaq.it

Citation

Ori F, Leonardi P, Stagnini E, Balestrini V, Iotti M, Zambonelli A (2018). Is Tuber brumale a threat to T. melanosporum and T. aestivum plantations?. iForest 11: 775-780. - doi: 10.3832/ifor2785-011

Academic Editor

Alberto Santini

Paper history

Received: Mar 13, 2018
Accepted: Sep 05, 2018

First online: Nov 28, 2018
Publication Date: Dec 31, 2018
Publication Time: 2.80 months

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