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Viability of the production of Pleurotus ostreatus using substrate based on grass and urban trees prunning residues

Grant number: 19/22620-7
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2020
Effective date (End): January 31, 2022
Field of knowledge:Agronomical Sciences - Agronomy
Principal researcher:Meire Cristina Nogueira de Andrade
Grantee:Catharina Gabriel Oioli Rodrigues da Silva
Home Institution: Faculdade Gran Tietê. Instituições de Ensino Reunidas Tietê (IERT). Barra Bonita , SP, Brazil


The Pleurotus ostreatus fungus, usually known as Shimeji, is an edible mushroom which may be grown in several agroindustrial residues containing lignin and cellulose, due to its cnzymatic complex that degrades those compounds for its development. Thus, the cultivation substrate of such species may vary according to the availability of materials in different regions and climates. However, there is lack of studies in literature about the use of tree pruning residues and grass for that purpose. Those urban residues are usually discarded in landfills or incinerated, resulting in environment impacts. In this context, their use as substrate for the cultivation of mushrooms may become a viable option for reduce the distribution of those products in nature and generate a product of aggregate value (mushroom). Therefore, the present research project aims at studying the viability of tree pruning and grass residues in the formulation of new compounds for the cultivation of P. ostreatus, in different ratios, considering the fresh mass of the basidioma, the number of bunches, the chemical characterization of the substrates, the loss of organic matter and the biological efficiency of each treatment as criteria. (AU)

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