Valoración de pequeños viveristas y la producción de plántulas de ochroma pyramidale (balsa) empleando fertilización orgánica e inorgánica, en el cantón Mocache, provincia de Los Ríos

The present research project was carried out through an interview with 9 nurserymen near the San Felipe enclosure of the Mocache canton, in order to evaluate the management and production that they carry in O. pyramidale seedlings. Demonstrating that (100%) carry out chemical fertilization, (22%) use certified seeds and of the other nurserymen (78%) use seed from seed sources in the area. Thus, the field study was carried out in the "El Almendro" forest nursery located in the San Felipe area of the Mocache canton, with the purpose of evaluating the percentage of development in seedlings of the Ochroma pyramidale species. A DCA was used through three treatments and 5 repetitions respectively; determining morphological patterns such as: Height (H); Diameter (D); Aerial dry biomass; Dry root biomass; Total root dry biomass; H / D ratio and Dickson's Quality Index. Regarding the morphological variables, there was a significant difference between the treatments, having organic treatment at T2 (worm leachate) presented the highest percentage of height at 40 days (4.87 cm); likewise, the largest diameters after 30 and 45 days with (1.55 mm) and (1.98 mm). To determine the dry biomass ratio, seedlings that were 40 days old were used. These individuals were measured both height (cm), diameter (mm), as well as Air Dry Biomass (BSA) and Root Dry Biomass (BSR) and Total Dry Biomass. In the quality of seedlings, significant differences were acquired between the treatments, with the organic treatment T2 (worm leachate) having the highest BSR values (0.6); BST (0.25); followed by T1 commercial chemical treatment (Seek Biodevelopment) the highest R: H / D value (0.19), showing statistical equality between the treatments, T1 and T2 BSA (0.19) and the ICD (0.4). Keywords: Seedlings, biomass, Dickson quality

• Autor Principal: Alvarado Triviño, Eva Estefanía (author)
• Formato: bachelorThesis
• Idioma: spa
• Publicado: 2021
• Subjects: Plántulas; Biomasa; Tratamientos; Calidad de Dickson
• Acceso en liña: https://repositorio.uteq.edu.ec/handle/43000/6312