New Zealand Journal of Crop and Horticultural Science
abstracts
Effect of active carbonate, exchangeable calcium, and stoniness of soil on Tuber
melanosporum carpophore production
L. G. García-Montero
Department of Forestry Engineering
U.D. Operaciones Básicas
Technical University of Madrid (UPM)
ETSI Montes
Ciudad Universitaria s/n, Madrid 28040
Spain
email: luisgonzaga.garcia@upm.es
M. A. Casermeiro
I. Hernando
J. Hernando
Department of Soil Science
Facultad de Farmacia
University Complutense of Madrid
Ciudad Universitaria s/n, Madrid 28040
Spain
Abstract In the present study, the active carbonate soil concentration
explained 43% of the variancein Tuber melanosporum production. This carbonate
is also associated with other soil variables, such as pH, exchangeable Ca2+ content,
and stoniness abundance, all of which affect the successful productivity of T.
melanosporum carpophores. Moreover, active carbonate and exchangeable Ca2+
participate in the maintenance of the soil’s structure and in fungus nutrition.
Statistical analysis shows that active carbonate accounted for 42% of the variance
in exchangeable Ca2+ concentration, and the exchangeable Ca2+ abundance explained
20% of the variance in carpophore production. In addition, a significant correlation
was found between carbonate concentration and surface stoniness. Finally, abundance
of surface stoniness explained 24% of the variance in T. melanosporum carpophore
production. We suggest that studies should be conducted on the effects of amendments
in truffle culture.
Keywords black truffle; truffle culture; Mediterranean mushroom;
mycorrhizal fungi; Tuber melanosporum
New Zealand Journal of Crop and Horticultural Science, 2007, Vol. 35:
139–146
0014–0671/07/3501–0139 © The Royal
Society of New Zealand 2007
H06067; Online publication date 4 April 2007. Received 17 July 2006;
accepted 7 February 2007
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