Estudio exploratorio del control biológico de la monilla (Moniliophthora roreri) en cacao nacional (Theobroma cacao L.) con microorganismos nativos de la zona de Mocache.

The present research was carried out with the National Fine Cacao cultivars of Aroma in the Maculillo area, located in the central part of the Guayas River Basin, specifically in the municipality of Mocache. Four biopreparations were evaluated: cocoa mucilage and molasses (T3), substrate rich in nat...

وصف كامل

محفوظ في:
التفاصيل البيبلوغرافية
المؤلف الرئيسي: Bastidas Ruiz, Valeria Estefania (author)
التنسيق: bachelorThesis
اللغة:spa
منشور في: 2017
الموضوعات:
الوصول للمادة أونلاين:http://repositorio.uteq.edu.ec/handle/43000/2068
الوسوم: إضافة وسم
لا توجد وسوم, كن أول من يضع وسما على هذه التسجيلة!
الوصف
الملخص:The present research was carried out with the National Fine Cacao cultivars of Aroma in the Maculillo area, located in the central part of the Guayas River Basin, specifically in the municipality of Mocache. Four biopreparations were evaluated: cocoa mucilage and molasses (T3), substrate rich in native microorganisms (mn), molasses, cocoa shell infected with Moniliophthora roreri and water (T4), substrate rich in mn of the area, molasses , Mucilage, Moniliophthora roreri-infected cocoa shell and water (T5), mucilage, molasses and cocoa shell infected by Moniliophthora roreri (T6), in contrast to a reference chemical treatment using Cuprofix (T2) and an absolute control (T1 ). The incidence of disease (IME), degree of internal (SI) and external (SE) severity, production of healthy ears (MS) and the yield estimate (kgha-1año-1) were evaluated. For IME, T5 was reported with the lowest indexes during the 30, 60 and 90 days of evaluation (20.42, 20.84 and 14.89%), while the control at 90 days reached 40.76%. For the (SI) T5 it showed a low incidence (2.00, 2.37 and 2.5) at 30, 60 and 90 days, similarly (SE) reported the same trend (2.75, 3.13 and 3.00), demonstrating an effective control of the disease . The index (MS) was higher in T5, reaching 5.41, 6.14 and 8.26 healthy coars per tree, while the control did not exceed 3 cobs. Finally, the estimated yield for T5 was 405.88 kgha-1year-1, higher than the control (343.60 kgha-1year-1). The results being attributed to the antagonistic effect on Moniliophthora roreri, to the lactic acid bacteria content of the mucilage of Theobroma cacao L, but it is a clear indication that lactic acid bacteria are responsible for this recovery in antimicrobial activity.