Resumo

FLORES, Roberto; HONRUBIA, Mario  e  DIAZ, Gisela. Characterizing strains of Lactarius section Deliciosi from Guatemala and its comparison with European strains of L. deliciosus. Rev. Mex. Mic [online]. 2008, vol.26, pp.51-55. ISSN 0187-3180.

The morphological features of the mycelial cultures of 8 Lactarius strains belonging to the section Deliciosi from Guatemala (2 Lactarius deliciosus s.l, 1 L. aff. salmonicolor, 3 L. indigo y 2 L. aff. rubrilacteus) and 2 L. deliciosus strains from Spain are described. They were grown in BAF medium at 4 different pH values. The maximal growth was obtained at different pH values for each fungal strain. The colonies of L. deliciosus were different in colour, shape and texture depending on its geographical origin. Whereas European strains were fibrillose and with surface yellow to orange, the Neotropical ones were densely fibrillose and orange-pinkish to cinnamon. That features support the possibility that European and Neotropical and L. deliciosus are different species.

Palavras-chave : colony; edible fungi; mycorrhiza.

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