Agronomía

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Ingeniería Agronómica

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Author: search.filters.author.Castro Llumiquinga, Francisco DavidSubject: search.filters.subject.PROVINCIA DE PICHINCHA

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    Evaluación de la productividad de cuatro híbridos de tomate hortícola (Solanum Lycopersicum) bajo invernadero con dos tipos de poda, en la parroquia de Tumbaco, provincia de Pichincha
    (Universidad Estatal de Bolívar . Facultad de Ciencias Agropecuarias . Escuela de Ingeniería Agronómica, 2012) Andrango Quinatoa, Esthela Paulina; Castro Llumiquinga, Francisco David; Barberán, César
    The tomato (Solanum lycopersicum) is native to the America, originally cultivated by the Aztecs and Incas from 700 B.C. There are few vegetables that globally have such a high demand such as tomatoes. China has been the world's largest producer of tomatoes followed by the United States of America. In Ecuador, until the early 90s, in the valleys and in the subtropics was an intensive outdoors crop. From this date, in the Patate, Tungurahua; begins the production in greenhouses. Currently this system is widespread throughout the country, being Tungurahua, Pichincha and Imbabura the major producing provinces. The objectives of this research were: i) to evaluate the effect of four tomato hybrids, ii) to study the response of two types of pruning tomato, and iii) To make an economic analysis and Marginal Rate of Return (%). In this study we used a (DBCA) with a 4X2 factorial arrangement with 8 treatments and 6 reps. The Factor A accounted Tomato Hybrids A1 = Titan, A2 = Michel, A3 = Jennifer, A4 = Sheila. The Factor B were pruning types: B1 = Pruning an axis; B2 = Pruning two axes. Analysis of variance was performed; Tukey test at 5%; Correlation analysis and Linear Regression, economic analysis and calculation of Marginal Rate of Return. The main results were: there was a respectful response of tomato hybrids in most components. The highest was the Hybrid A1: Titan with 269,34 tons/ha. The effect of the two types of pruning was different, with the highest average pruning B1: 1 axis with 269,67 tons/ha. In the interaction of (AxB), the higher was quantified in T1 treatment : A1B1 (pruning Titan 1 axis), with 294,27 tons/ha, being also economically the best treatment with a net profit of $ 149,034.2/ha and a 16,04 % TMR. Finally this research helped to improve the efficiency of local production system, to evaluate hybrids and types of pruning tomato, which is an alternative to improve the income of growers