Evaluación de un coadyuvante con sistema de liberación de Polímeros como alternativa para la reducción de aceite agrícola en el control de la Sigatoka negra, en la zona de Mariscal Sucre, Provincia del Guayas

VIII. SUMMARY This research was conducted on the grounds of Mr. Napoleon Ramos, located at Km 6,5 of the satellite Simon Bolivar - Mariscal Sucre province of Guayas, whose geographical coordinates are 2 ° 5 '5'' south latitude, 59 ° 29 '12'' west longitude, and altitude of 30 meters. The climate of the place is characterized by average annual temperature of 25 ° C, precipitation of 1,984 mm; 78 % relative humidity, and 1,390 heliophany. The soils are alluvial, clay loam, with flat topography. The aim of this study was to determine the effect of polymer-based adjuvant E3, as an alternative to reduce agricultural oil in the control of black Sigatoka. The work was performed on a staff of 3-4 months with genetic material planted cultivar "Williams". fungicide dose was investigated based Difenoconazole + spiroxamine; Pyrimentanil + Mancozeb; Isopyrazam + Melaleuca alternifolia extract; Fenpropimorph + Bacillus subtilis and tebuconazole, triadimenol + fenpropidin, to which was added water aids + E3; water; oil + water and a control without application trtamiento adjuvants. The design of randomized complete block with four treatments and three repetitions and comparison of the average treatment took Duncan test at 5 % significance was used. The trial had an area of 245.76 m2 planted delta 3,2 m between plants and 2.5 m between rows, consisting of 36 floors. Evaluations were carried out weekly after application; the number of injuries and disease stages per sheet according to the scale of emission folear stover and evaluated. To crop management weed control, fertilization, irrigation and fungicide application was made. By the above results it was determined that the largest number of injuries in stage II, IV and V, was presented with the application of fungicides adding oil + water in the first and second week of evaluation disappearing in these treatments and increasing in the control treatment without the use of aids from the third week; In stage III, we observed that the treatments used + E3 water and more water oil had higher injury in the first and second week, while in the third, fourth and fifth week it reported the control treatment; in stage VI injuries were reported with the use of oil + water in the first week, the second and third week no lesions were observed and increased in the fourth and fifth week in the control treatment; in the sheet 1, the highest rate of infection was observed with the application of fungicides and adjuvants waterborne + E3 and sheet 2, all the treatments obtained infection rate, while the sheet 3 was found that control treatment reached the highest rate of infection.

• Autor principal: Gallegos Arana, Manuel Vicente (author)
• Formato: bachelorThesis
• Lenguaje: spa
• Publicado: 2016
• Materias: Control de la Sigatoka negra; Aceite agrícola
• Acceso en línea: http://dspace.utb.edu.ec/handle/49000/3355