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Biotecnología en el Sector Agropecuario y Agroindustrial
versión impresa ISSN 1692-3561
Resumen
SERNA-COCK, LILIANA; ARIAS-GARCIA, CAMILO y VALENCIA HERNANDEZ, LEIDY JOHANA. EFFECT OF BIOFERTILIZATION ON THE GROWTH OF POTTED SUGARCANE PLANTS (Saccharum officinarum). Rev.Bio.Agro [online]. 2011, vol.9, n.2, pp.85-95. ISSN 1692-3561.
The use of microorganisms as fertilizer has demonstrated beneficial effects on plant growth and is an alternative to chemical fertilizers. However, each microorganism has different beneficial effects. This study evaluated the effect of applying microorganism fertilizers, Azospirillum brasilense, Azotobacter chroccocum, and Trichoderma lignorum on the growth of potted sugarcane plants var. CC 934418. Plant growth was measured in terms of stem diameter, stem and root length, and the number of leaves and roots 15, 30, and 45 days after planting. Plant growth evidenced statistically significant differences among treatments. Microorganism fertilizers showed a positive effect on the growth of sugarcane plants, with Azospirillum brasilense and Trichoderma lignorum as the microorganisms that exercised the greatest effect on stem diameter, root systems, and plant foliation. Beneficial effects of Trichoderma lignorum on leaf growth were observed. This is a new scientific contribution since this species has not been reported as promoting plant growth.
Palabras clave : Saccharum; growth; azospirillum brasilense; azotobacter chroccocum; trichoderma lignorum.