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Revista mexicana de ciencias agrícolas

Print version ISSN 2007-0934


GAITAN-HERNANDEZ, Rigoberto  and  SALMONES, Dulce. Use of lignocellulosic residues to optimize spawn production and carpophore formation of the edible mushroom Lentinula boryana. Rev. Mex. Cienc. Agríc [online]. 2015, vol.6, n.7, pp.1639-1652. ISSN 2007-0934.

Lignocellulosic wastes were evaluated for the production of spawn and carpophores of Lentinula boryana. Radial extension growth and biomass associated with the metabolic activity (MA) was estimated after 12 and 19 d of incubation with twelve strains and three types of spawn: Formula 1 (F1), Formula 2 (F2) and Formula 3 (F3). Mycelial diameter in Petri dishes at days 12 and 19 was greater in F1 formula. Colony diameters measured 61.9 to 74.8 mm and 71.8 to 90 mm, respectively. The highest MA values at 12 d of incubation were presented in F1, ranging from 10.1 to 46.76 μMol FDA min-1g-1 and at 19 d in F1 and F2, with 6.15 to 36.26 μMol FDA min-1g-1, for both types of spawn. In order to identify residues with potential for the fructification of this specie, the growth rate (Kr) in vitro was estimated on barley straw (S), straw-vineyard pruning (SV), straw-sugar cane bagasse (SC), straw-oak shavings (SO) and straw-teak shavings (ST). The highest mean Kr was observed in SO (2.64 mm d1) and the lowest in ST (1.08 mm d-1). In the carpophore formation the parameters of biological efficiency (BE), production rate (PR) and yield (Y) were significantly affected by strain, substrate and their interactions. The substrate SV presented the highest BE (12.92%), PR (0.125%) and Y (3.642%) values.

Keywords : Alternative lignocellulosic materials; American shiitake; Mushroom production.

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