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Ecología Aplicada
versión impresa ISSN 1726-2216
Resumen
CHIPANA, Virginia; CLAVIJO, Claudia; MEDINA, Paul y CASTILLO, Daladier. Inoculation of green beans (Phaseolus vulgaris L.) with different concentrations of Rhizobium etli and its influence on crop yield. Ecol. apl. [online]. 2017, vol.16, n.2, pp.91-98. ISSN 1726-2216. http://dx.doi.org/10.21704/rea.v16i2.1012.
The green bean crop is fairly widespread in the Peruvian southern coast which has desert features. At the laboratory level, we worked to produce the inoculant and to apply it in the field through a completely randomized blocks design. The treatments were the following: inoculant 2.5 x 107 cel g-1 soil, 2.5 x 108 cel g-1 soil, 2.5 x 109 cel g-1soil, distilled water as a negative control, a fertilized and a biological control. The number of nodules per plant and percentage of effective nodules per plant were quantified. In each harvest the yield per hectare, per plant, the pod length and weight and the number of pods per plant were determined. The influence of inoculation with different concentrations of Rhizobium etli on the yield of this crop was determined. The inoculated treatment with a concentration of 2.5 x 109 cel g-1 soil generated the largest number of total nodules with an average of 47.67 and an effectiveness of 84.02%. This treatment produced a higher influence on the yield per hectare and per plant and the number of pods per plant, but it did not have a significant difference when it was compared with the fertilized control.
Palabras clave : rhizobia; strain; pod; inoculant; nodules and nitrogen.