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Spore germination and development of young mycelia in some Rhizopogon species

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Spore germination in Rhizopogon abietis, R. luteolus, R. roseolus and R. villosulus was induced in the presence of Rhodotorula glutinis and activated charcoal, in agar medium (N6:5). In one R. roseolus sample, 51% of spores germinated within 35 days, allowing observation of the course of spore germination and the different developmental patterns of homokaryotic mycelia. In these plates, spores showed two times of germination. The spores that germinated early produced an apical germ tube. Later other spores germinated in proximity to young mycelium, by forming a germ vesicle. One of the hyphal growth patterns obtained (interruption-swelling-ramification) is similar to that reported for other fungi. With this technique for inducing spore germination, it is possible to obtain enough monosporic cultures to perform mating tests. Key words: Basidiomycotina, Hypogeous, Monosporic Cultures.

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Departament de Biologia Vegetal, Universitat de Barcelona

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Reproducció digital del document publicat en format paper

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Acta Botánica Barcinonensia, 2000, vol. 46, p. 31-46

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Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

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Spore germination and development of young mycelia in some Rhizopogon species