Fungicidas químicos para el manejo de síntomas de vaneamiento y manchado de grano en el cultivo de arroz (oriza sativa l.)

This research was conducted in the paddy farm of Mr. Roberto Palma located at km 9 Track Hope, Recinto El Vergel, Los Rios province. It is among the geographical coordinates of 01º 06 'South latitude and 79º 29' west longitude. At a height of 73 meters. The research aimed to determine which of the fungicides have better effect on disease stained and vaneamiento grain in rice cultivation. Within the group of fungicides are evaluated (Staner, Opera, Silvacur, Sico, Juwel, Priori, Tilt, Taspa and Control). Design randomized complete block (DBCA) was used to test its efficiency in disease control. The incidence and severity of foliar diseases within them the number of empty grains clean, empty grains stained, clean grain filled, and filled grains was determined and stained. Agronomic variables as measured; panicle length and average weight of 25 panicles. Economic and productive variables were also recorded. The treatments evaluated, those with the greatest effect on disease stained and vaneamiento grain was the Opera, the lowest grain moisture after harvest was obtained with the fungicide Taspa, the longest panicle was reflected with the fungicide Juwel, the highest average full clean grain was obtained by applying the fungicide Opera, the lowest number of filled grains stained was obtained by applying the fungicide Priori and the best cost benefit ratio presented in the Priori treatment. Gross revenues were represented by the profits obtained yield per hectare and obtained using the fungicide Priori.

• Hovedforfatter: Masapanta Cholo, Rosa Elena (author)
• Format: bachelorThesis
• Sprog: spa
• Udgivet: 2016
• Fag: Fungicidas; grano; Oryza sativa; vaneamiento
• Online adgang: http://repositorio.uteq.edu.ec/handle/43000/1890