Natural production of Tuber aestivum in central Spain: Pinus spp. versus Quercus spp. brûlés

  • Luis G. Garcia-Montero U.D. Operaciones Básicas, Departamento de Ingeniería Forestal, Universidad Politécnica de Madrid (UPM), E.T.S. Ingenieros de Montes. Madrid.
  • Domingo Moreno U.D. Operaciones Básicas, Departamento de Ingeniería Forestal, Universidad Politécnica de Madrid (UPM), E.T.S. Ingenieros de Montes. Madrid.
  • Vicente J. Monleon Pacific Northwest Research Station, USDA Forest Service, Corvallis, OR 97331.
  • Fernando Arredondo-Ruiz U.D. Operaciones Básicas, Departamento de Ingeniería Forestal, Universidad Politécnica de Madrid (UPM), E.T.S. Ingenieros de Montes. Madrid.

Abstract

Aim of study: Tuber aestivum is the most widespread edible truffle, with increasing commercial interest. This species can produce carpophores with conifer hosts, in contrast with the inability of Pinus spp. to induce fruiting in other truffle species such as Tuber melanosporum. Therefore the objective is to compare the characteristics and carpophore production of T. aestivum brûlés associated with Pinus spp. versus Quercus spp.

Area of study: We studied the natural habitats of T. aestivum in the Alto Tajo Nature Reserve in central Spain.

Material and methods: During 5 years, we monitored the production of carpophores and brûlé size of 145 T. aestivum brûlés associated with Pinus nigra subsp. salzmanni and P. sylvestris and Quercus ilex subsp. ballota and Q. faginea hosts. Statistical treatment was performed using the Statistica Program v. 6.

Main Results: The size of brûlés associated with Pinus was significantly smaller than that of brûlés associated with Quercus. However, carpophore production per brûlé, and especially for brûlés of similar size, was greater when the host plant was a pine. After accounting for brûlé size, the production of brûlés associated with Pinus spp. was 2.23 (95% CI, between 1.35 and 3.69) and 1.61 (95% CI, between 1.02 and 2.54) times greater than the production of brûlés associated with Quercus faginea and Q. ilex subsp. ballota, respectively.

Research highlights: The considerable ability of Pinus nigra subsp. salzmanni and P. sylvestris to form effective brûlés and to produce carpophores of Tuber aestivum in natural conditions was clearly demonstrated, and suggest that those species can be of use in the culture of T. aestivum.

Key words: Summer truffle; Tuber aestivum; truffle culture; truffle ecology; Pinus spp.; Quercus spp.

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Author Biographies

Luis G. Garcia-Montero, U.D. Operaciones Básicas, Departamento de Ingeniería Forestal, Universidad Politécnica de Madrid (UPM), E.T.S. Ingenieros de Montes. Madrid.

Dpto. Ingeniería Forestal

(Profesor Titular de Universidad)

Domingo Moreno, U.D. Operaciones Básicas, Departamento de Ingeniería Forestal, Universidad Politécnica de Madrid (UPM), E.T.S. Ingenieros de Montes. Madrid.

Dpto. Ingeniería Forestal

(Investigador)

 

Vicente J. Monleon, Pacific Northwest Research Station, USDA Forest Service, Corvallis, OR 97331.

Pacific Northwest Research Station

(Researcher)

Fernando Arredondo-Ruiz, U.D. Operaciones Básicas, Departamento de Ingeniería Forestal, Universidad Politécnica de Madrid (UPM), E.T.S. Ingenieros de Montes. Madrid.

Dpto. Ingeniería Forestal

(Investigador)

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Published
2014-08-01
How to Cite
Garcia-Montero, L. G., Moreno, D., Monleon, V. J., & Arredondo-Ruiz, F. (2014). Natural production of Tuber aestivum in central Spain: Pinus spp. versus Quercus spp. brûlés. Forest Systems, 23(2), 394-399. https://doi.org/10.5424/fs/2014232-05112
Section
Truffles: ecology and cultivation