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http://dspace.udla.edu.ec/handle/33000/7488| Tipo de material : | bachelorThesis |
| Título : | Efecto de microorganismos benéficos en el crecimiento y desarrollo de plántulas de aguacate (Persea Americana) para los valles interandinos del Ecuador |
| Autor : | Alvarado Arias, Viviana Lorena |
| Tutor : | Vásquez Castillo, Wilson Arturo |
| Palabras clave : | MICROBIOLOGÍA;VALLES INTERANDINOS-ECUADOR;PERSEA AMERICANA;AGUACATE |
| Fecha de publicación : | 2017 |
| Editorial : | Quito: Universidad de las Américas, 2017 |
| Citación : | Alvarado Arias, V. L. (2017). Efecto de microorganismos benéficos en el crecimiento y desarrollo de plántulas de aguacate (persea americana) para los valles interandinos del Ecuador (Tesis de pregrado). Universidad de las Américas, Quito. |
| Resumen : | El aguacate es un cultivo que representa buenas perspectivas de desarrollo agronómico para el país. Actualmente se realizan numerosas actividades para incrementar su rendimiento, pero muy poco se ha hecho en relación a la utilización de portainjertos que permitan aumentar la producción... |
| Descripción : | Avocado crop has an important potential for agronomic development in Ecuador. For this reason, nowadays several efforts are conducted in order to increase the production of this plant but only a little has been done regarding the use of rootstocks that increase production One of the alternatives to increase the strength of this plant in greenhouses and improve the quality and productivity of the rootstocks is the application of beneficial microorganisms such as arbuscular mycorrhizal fungi (HMA) and Trichoderma. The purpose of this research was to evaluate the effect of Mycorrhizas and Trichoderma inoculation of two avocado varieties in rootstocks production. The research was conducted at the Tumbaco-INIAP Experimental Farm, located in the province o Pichincha, Canton Quito at 2356 amsl. The methodology consisted in the application of an experimental design of double nesting 2 x 3 with 50 observations and the evaluation of the following variables: emergence percentage and speed, height and diameter of the avocado seedlings, colonization levels of Trichoderma and Mycorrhizae in the roots of the seedlings and nutrients absorption. The results showed statistical differences between treatments: Trichoderma in green avocado has the best results with the following increase of percentages in comparison to the control sample: 25.1% in diameter, 13% in height, 40.3% in the fresh weight of the aerial portions and 35.34% in the dry weight aerial portions of the seedlings. There were also found important statistical differences of growth between avocado varieties; better results were obtained with green avocado in comparison to black avocado with an increase of 27.02% in height, 16.36% in diameter, and 16.76% in fresh weight of the aerial portions and 20.01% in dry weight of aerial portions of the seedlings. In the analysis of Trichoderma colonization in the rhizosphere of avocado seedlings, the Trichoderma treatment with green avocado presented the highest CFU/g of soil. In mycorrhizal colonization, the treatment with Mycorrhizae in black avocado showed a greater percentage of colonization (19,33%) than the treatments with mycorrhizae in green avocado (10%). |
| URI : | http://dspace.udla.edu.ec/handle/33000/7488 |
| Aparece en las colecciones: | Ingeniería Agroindustrial y de Alimentos |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| UDLA-EC-TIAG-2017-15.pdf | 3,18 MB | Adobe PDF |  Visualizar/Abrir |
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