Incidencia de la inoculación de microorganismos benéficos en el cultivo de fresa (Fragaria sp.)

Manuel Alvarez, Franz Tucta, Evelyn Quispe, Victor Meza

Resumen


Se evaluó el efecto de microorganismos benéficos (MOBs) en el desarrollo del cultivo de fresa (Fragaria sp.). La investigación se realizó en tres fases. (i) Primera: en la provincia de Azuay – Ecuador, se recolectaron muestras de distintas plantas ubicadas en tres pisos altitudinales con características climatológicas diferentes. (ii) Segunda: en el laboratorio de la Universidad Nacional Agraria La Molina, en Lima – Perú, con cada muestra vegetal, se preparó la solución madre, así como medios de cultivo para MOBs, después se identificó la flora microbiana benéfica. (iii) Tercera: en la etapa de campo, se inoculó en el suelo un consorcio microbiano, con cuatro repeticiones por cada piso altitudinal; posteriormente se plantó fresa. En los medios de cultivo se constató la presencia de levaduras, Bacillus spp., Lactobacillus spp., y actinomicetos. Se comprobó que, según la procedencia, los microorganismos presentan efectos heterogéneos en el desarrollo de las plantas. Se concluye que en cada piso altitudinal existen microorganismos benéficos de acuerdo a la especie vegetal, que su inoculación en el suelo incrementa el número de hojas, así como también favorece el desarrollo longitudinal, diametral y de raíces, de las plantas de fresa.

Palabras clave


Microorganismos; suelo; plantas; Azuay; beneficiosos

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Referencias


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Received December 13, 2017.

Accepted January 29, 2018.

Corresponding author: alvemas73@hotmail.com (M. Alvarez).




DOI: http://dx.doi.org/10.17268/sci.agropecu.2018.01.04

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DOIhttp://dx.doi.org/10.17268/sci.agropecu

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