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International Journal of Medicinal Mushrooms
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ISSN Imprimir: 1521-9437
ISSN En Línea: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushr.v6.i2.80
8 pages

Strains and Substrate Interaction on Culinary-Medicinal Shiitake Mushroom Lentinus edodes (Berk.) Singer (Agaricomycetideae) Axenic Sawdust Cultivation in Brazil

Renato M. C. Montini
Departamento de Produção Vegetal (Módulo de Cogumelos), FCA/UNESP, C.P. 237, CEP 18603-970 Botucatu, SP, Brazil
Augusto Ferreira da Eira
Department of Plant Production, Agriculture Microbiology, FCA/UNESP, Botucatu, SP, Brazil

SINOPSIS

This study examined the interaction between four different substrate formulations and the strains LE 96/17, LE 98/51, LE 98/53, and LE 98/56 of culinary-medicinal shiitake mushroom Lentinus edodes yield at the first flush (142 days after substrate inoculation) on axenic sawdust cultivation. The strains were from the mycological collection of the Modulo de Cogumelos, Faculdade de Ciencias Agronomicas, Unesp-Botucatu. Shiitake was cultured by supplemented Eucalyptus spp. sawdust mixed with different proportions of rice and wheat bran with and without sugarcane bagasse. Overall, Lentinus edodes may present interstrain variability in productivity, as revealed by biological efficiency (BE) and basidiome size, when the substrate is prepared with different bran proportions. The BE and basidiome size were higher for substrates with the lowest quantities of bran (10% wheat and 10% rice bran). However, the highest proportion of bran (20% wheat and 20% rice bran) reduced the BE and decreased the basidiome size. The incorporation of sugarcane bagasse in the substrate was found to play a minor role, if any, on productivity and basidiome size. Strains LE 96/17 and 98/56 had the highest BE (40.3 and 33.3%, respectively) on 14 days of harvesting phase. The protein content of LE 96/17 and 98/56 basidiomes were superior for substrates with the highest proportion of bran.


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