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Title: Bacillus effect on the germination and growth of tomato seedlings (Solanum lycopersicum L)
Authors: Cabra Cendales, Teresa
Rodríguez González, Cristian Alonso
Villota Cuasquer, Claudia Patricia
Tapasco Alzate, Omar Alberto
Hernández Rodriguez, Annia
Citation: Cabra Cendales T, Rodríguez González CA, Villota Cuásquer CP, Tapasco Alzate OA, Hernández Rodríguez A. Bacillus effect on the germination and growth of tomato seedlings (Solanum lycopersicum L). Acta biol. Colomb. 2017;22(1):37-44. DOI: abc.v22n1.57375
Abstract(esp): The capacity to solubilize phosphate and to produce indole compounds Indole Acetic Acid type, was evaluated in 15 strains isolated from castor bean lignocellulosic residues (Ricinus communis). To determine the solubilizing activity of phosphates a qualitative test by using Pikovskaya culture medium was employed and for the evaluation of the production of indole compounds (IAA) a Salkowsky colorimetric analysis technique was applied. Among the microorganisms tested, the Bacillus pumilus GIBI 206 demonstrated capacity to solubilize phosphates and Bacillus subtilis GIBI 200 showed of capacity to solubilize phosphates and to produce Indoleacetic Acid (IAA). To determine the effect of the Bacillus subtilis strain on germination and growth promotion, tomato seeds (Solanum lycopersicum ‘Santa Clara’) were inoculated; the inoculation of the seeds along with the microorganism revealed statistically significant differences, during the germination stage compared to the control treatment. Nevertheless, it revealed a positive influence on the development of tomato plants, originating a significant increase on the mass and length of its stem and root. The results of this research offer the possibility of using the Bacillus subtilis as a growth promoter in tomato seedlings and in the formulation of bio-products.
Description: Acta Biológica Colombiana.Vol. 22, No. 1 (2017) ; 37-44
Appears in Collections:Artículos de Investigación

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