Molecular identification of isolates of Trichoderma spp. and promoting activity in Solanum lycopersicum L.
DOI:
https://doi.org/10.33064/iycuaa201771335Keywords:
Trichoderma ghanense, Trichoderma citrinoviride, Trichoderma harzianum, biofertilizer, saprophytic, seedlingsAbstract
The objective of this study was to isolate, identify and estimate the promoting plant growth of species of Trichoderma. Four strains were isolated, two were identified as T. ghanense (Th26-52 and Th02-04) and as T. citrinoviride (Th33-58) and once as T. harzianum (Th33-59). Promotion results in seedlings of Solanum lycopersicum L. cv. Rio Grande at concentrations of 106 conidios·ml-1 and 50% chemical fertilizer showed significant differences between treatments (p ≤ .01). Treatment with Trichoderma spp. increased from 24.28 to 38.53% the seedling height, 2.29 to 14.09% the stem diameter, 8.48 to 16.54% the root length, 0.37 to 2.68% the root volume and 0 to 23.07% the total dry biomass compared to the control with chemical fertilization 50%. T. ghanense (Th26-52) showed potential to improve seedling growth in S. lycopersicum.
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