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Scientia Agropecuaria

Print version ISSN 2077-9917


RIOS-RUIZ, Winston Franz; VALDEZ-NUNEZ, Renzo Alfredo  and  JIMENEZ-FLORES, Juan Pablo. Isolation, propagation and growth of native edible fungi in agroindustrial residues. Scientia Agropecuaria [online]. 2017, vol.8, n.4, pp.327-335. ISSN 2077-9917.

The objective of the research was to isolate the secondary mycelium of Auricularia spp and Pleurotus spp from three natural areas of the San Martín region, as well as to evaluate the growth in agar potato dextrose medium and in sterile substrates based on agro industrial residues. Ten isolates of secondary mycelia were obtained through disinfected carpophores of Pleurotus spp and another 10 isolates of disinfected carpophores of Auricularia spp. The highest growth rate in Auricularia spp was 62,5 µm h-1 (A1) and 75 µm h-1 (B10) for Pleurotus spp. In a second part of the experiment, seed of the fastest strains was produced in sterilized maize grains during a 40-day incubation period. The seed was inoculated into sterile substrates based on agro industrial residues. The native strains A1 of Auricularia spp and B10 of Pleurotus spp developed better in substrate based on coffee pulp residues, achieving a biological efficiency of 30.33% and 18.20%, respectively. It is concluded that the native strains A1 and B10 of edible fungi can be used in seed propagation and edible fungus production, providing the farmer with complementary food of high nutritional value.

Keywords : Auricularia spp; Pleurotus spp; biological efficiency; coffee pulp; rice husk.

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