Mycelial growth of native strains of Neolentinus ponderosus and N. lepideus at different pH and their Pinus spp. wood degradation
DOI:
https://doi.org/10.54495/Rev.Cientifica.v28i1.61Keywords:
edible fungi culture, brown-rot decay, fruiting bodies, saprophytic fungiAbstract
Neolentinus ponderosus and N. lepideus are two saprophytic fungi species used traditionally in Huehuetenango and Totonicapán, Guatemala. The degradative capacity of both species confers them potential for fruiting bodies production. This study evaluated the mycelial growth of two native strains of N. ponderosus and N. lepideus in malt extract agar (EMA) at different pH and the degradation of wood from two pine species in rot chambers during 12 months. pH 7.0 was the most appropriate for the mycelial growth of N. ponderosus and for N. lepideus were 5.0 and 5.6. The colonies of both strains showed fruity odor, velvety texture, regular to irregular edge, white color, with or without diffusible pigment, hyphae with 1-5 µm width, chlamydospores and clamp connections. Wood from Pinus tecunumanii and P. ayacahuite exhibit weight-loss percentages between 8.76 ±
5.58 and 12.07 ± 5.66, with N. ponderosus 145.2003 and N. lepideus 90.2002, respectively. In both cases reached the early stage of brown-rot decay. These results could be useful for future research that evaluate the fruiting bodies production in logs for food and commercial purposes.
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Copyright (c) 2018 Claudia Rangel del Valle, Diego de León Ruíz, Osberth Morales Esquivel, María del Carmen Bran González
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