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Pastos y Forrajes

versión impresa ISSN 0864-0394

Resumen

BECQUER, C. J et al. Effect of the inoculation with rhizobia from Alberta, Canada, in sorghum (Sorghum bicolor L. Moench), under field conditions. Pastos y Forrajes [online]. 2011, vol.34, n.3, pp.303-312. ISSN 0864-0394.

A field trial was conducted with the objective of measuring the effect of rhizobium strains on the agronomic variables of sorghum under the environmental conditions of Sancti Spiritus, Cuba. Ten Sinorhizobium meliloti strains, from livestock production ecosystems of Alberta, Canada, were used; as well as four reference strains belonging to different rhizobium genera and strains, which were from the collection of Agriculture and AgriFood Canada. The inoculi confection and seed inoculation were made by standard methods. The experimental design was randomized blocks, with 16 treatments and four replications. The dry aerial weight, stem length and ear length were evaluated; in addition, the increase of aerial dry weight was calculated in the inoculated treatments as compared to the absolute control. The results proved the capacity of the studied strains to influence the agronomic variables, because the selected treatments equaled their values to those of the fertilized control and showed an increase higher than 100% of the aerial dry weight, with regards to the absolute control.

Palabras clave : Ecosystem; inoculation; Sinorhizobium; Sorghum.

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