Biological control of moniliosis (Moniliophthora roreri) in national cocoa (Theobroma cacao L.) using indigenous microorganisms
DOI:
https://doi.org/10.51252/raa.v5i1.794Keywords:
biopreparations, Moniliophthora roreri, production parameters, substrate, Theobroma cacaoAbstract
This study evaluated the use of microorganisms native to Mocache, Ecuador, for the biological control of frost sheath disease. A Completely Randomized Block Design (CSBD) with six treatments and three replicates was used: T1 (Control), T2 (chemical Cuprofix), T3 (Mucilage + molasses), T4 (MN-rich substrate + molasses + water + infected cocoa pod), T5 (MN-rich substrate + molasses + water + infected cocoa pod + mucilage) and T6 (Mucilage + molasses + cocoa pod frost sheath). Data were analyzed by General Linear Models (GLM) and comparison of means with Tukey's test (p<0.05). T5 presented the lowest incidence of M. roreri at 30 days (20.42 %), 60 days (20.84 %) and 90 days (14.89 %). For internal severity, it showed values of 2.00, 2.37 and 2.50 at 30, 60 and 90 days, respectively. For external severity, T6 obtained the best result at 60 days (3.13). In terms of productivity, T5 achieved the highest yield with 410.11 kg ha-1 yr-1.
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Copyright (c) 2025 Valeria Estefanía Bastidas-Ruiz, Luis Alberto Paredes-Toala, Germán Alexander Jácome-López

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