Preliminary study of the termotolerant bacterial microflore of the coffee pulp and wheat straw with potential of inhibition against Trichoderma viride in the culture of Pleurotus spp
DOI:
https://doi.org/10.33885/sf.2006.3.968Keywords:
inhibition, culture, bacterial microflora, wheat straw, pasteurization, coffee pulp, selectivityAbstract
preliminary study of the bacterial community implied in the selectivity of the
substrate for the culture of Pleurotus ostreatus is presented. The analyzed substrates were
coffee pulp and wheat straw, both pasteurized with steam. From these substrates bacterial
colonies were isolated and cultivated on solid media. The studied bacterial groups were:
Bacillus, Pseudomonas and Actinomycetes. The results showed a modification of the
structure of the bacterial community based on the pasteurización. It was observed that some
of the microorganisms that inhibit the growth of Trichoderma viride were those of Bacillus'
group. The persistence of these microorganisms after the pasteurization could guarantee the
obtaining of a selective substrate. The importance of the substrate treatment with the purpose
of improving its the selectivity for the Pleurotus growth is discussed.
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