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    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. salzmanniand 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 withQuercus. 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.

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    Garcia-Montero, Luis G.; Moreno, Domingo; Monleon, Vicente J.; Arredondo-Ruiz, Fernando. 2014. Natural production of Tuber aestivum in central Spain: Pinus spp. versus Quercus spp. brûlés. Forest Systems. 23(2): 394-399. 7 p.


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    summer truffle, Tuber aestivum, truffle culture, truffle ecology, Pinus, Quercus

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