Potencial de la flora de la provincia del Azuay (Ecuador) como fuente de microorganismos benéficos
DOI:
https://doi.org/10.17268/sci.agropecu.2018.04.12Keywords:
Azuay, microorganismos benéficos, flora, plantas.Abstract
Se estudió el potencial de especies vegetales de la provincia de Azuay - Ecuador para la obtención de microorganismos benéficos. En diferentes pisos altitudinales se recolectaron muestras de plantas de las cuales en condiciones de laboratorio se aisló y se determinaron unidades formadoras de colonias (UFC.ml-1), además ya sea mediante pruebas bioquímicas o amplificación 16S-PCR se identificaron los principales microorganismos con potencial beneficioso para la agricultura, el ambiente y la industria. Se estableció que la planta de altamisa (Artemisia vulgaris) con 5,43 X 106 UFC.ml-1 presenta el mejor potencial para UFC de levaduras, en la planta de ruda (Ruta graveolens L.) con 1,46 X 107 UFC.ml-1 se determinó el mayor número de UFC de Bacillus spp., para Lactobacillus spp., la planta de café (Coffea arabica L.) con 2,31 X 1013 UFC.ml-1 presentó el más alto potencial, la planta de romero (Rosmarinus officinalis) con 1,60 X 105 UFC.ml-1 fue la que evidenció la mayor cantidad de UFC de actinomicetos; se identificó la carga microbiana beneficiosa presente en cada muestra vegetal. Se concluye que de acuerdo a sus características y ubicación geográfica cada especie vegetal posee un determinado potencial para Bacillus spp., levaduras, Lactobacillus spp. y actinomicetos.
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Received May 5, 2017.
Accepted November 23, 2018.
Corresponding author : malvarezv@ucacue.edu.ec (M. Alvarez-Vera).
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