Abstract
Every month, about 40 tons of waste prunings of trees and grasses are wasted in Bauru, Sao Paulo, Brazil, occupying unimaginable volumes in the municipal landfill. This rich material has been tested for cultivation of medicinal mushroom Ganoderma lucidum, rather unknown in Brazil, compared to commonly use eucalyptus sawdust. Thus, the objective of this study was to evaluate the use of wasted urban vegetable pruning for the production of the G. lucidum mushroom. For so, these wastes were collected and tested with five different substrates with mixtures of tree pruning and pruning of grasses, changing the percentage content, plus a control of eucalyptus sawdust base (T) in two strains of G. lucidum, a total of 12 experimental treatments (substrates × strains) with 7 replicates each totaling 84 packages with 600 g the unit. The experimental cultivation was from August to December with 21 days of incubation over 67 days of production. Through the statistics of the Carbon/Nitrogen relation, biological efficiency, loss of organic matter and mass of fresh and dried mushroom, only the control treatment maintained a good performance. Pruning substrates trees and grasses have varied low to medium fungal biomass conversion potential. Key words: Fungi, sustainable development, solid waste.
Highlights
This rich material has been tested for cultivation of medicinal mushroom Ganoderma lucidum, rather unknown in Brazil, compared to commonly use eucalyptus sawdust
A great amount of organic residues is monthly generated in the city of Bauru, São Paulo, Brazil, which compromises the capacity and the life span of the city sanitary landfill
The experiment was transported to the Universidade do Sagrado Coração (USC), Bauru, São Paulo, Brazil, for the cultivation stage
Summary
A great amount of organic residues is monthly generated in the city of Bauru, São Paulo, Brazil, which compromises the capacity and the life span of the city sanitary landfill. Most of those residues does not have an appropriate reuse, generating a significant amount in the environment The use of residues for the formulation of substrates aims to minimize the production costs of the mushrooms
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