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Factores predisponentes del suelo a f.sp Raza Tropical 4 en cultivos de plátano de La Guajira, Colombia

Autores: Rodríguez-Yzquierdo, Gustavo; Olivares, Barlin Orlando; González-Ulloa, Antonio; León-Pacheco, Rommel; Gómez-Correa, Juan Camilo; Yacomelo-Hernández, Marlon; Carrascal-Pérez, Francisco; Florez-Cordero, Elías; Soto-Suárez, Mauricio; Dita, Miguel; Betancourt-Vásquez, Mónica

Idioma: Inglés

Editor: MDPI

Año: 2023

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Acceso abierto

Artículo científico
2023

Factores predisponentes del suelo a f.sp Raza Tropical 4 en cultivos de plátano de La Guajira, Colombia


Categoría

Ciencias Agrícolas y Biológicas

Subcategoría

Agronomía y Ciencia de los Cultivos

Palabras clave

Marchitez por fusarium
Industria bananera
Factores del suelo
Materia orgánica
Calcio
Conductividad hidráulica

Licencia

CC BY-SA – Atribución – Compartir Igual

Consultas: 24

Citaciones: Sin citaciones


Descripción
La marchitez por Fusarium del banano causada por los hongos del suelo f. sp. Raza Tropical 4 (TR4) es una gran amenaza para la industria bananera global. Aiming to identify predisposing soil factors for Fusarium wilt of banana (FWB) TR4, the 23 physical and chemical soil properties were studied in three commercial banana farms in La Guajira, Colombia. Disturbed and undisturbed soil samples were collected from areas affected by the disease (affected plots) and disease-free areas (healthy plots). Five repetitions per farm were considered, with a total sample of = 30. The data were analyzed using one-way analysis of variance (ANOVA). Subsequently, the debiased sparse partial correlation (DSPC) algorithm was applied. Organic matter (OM), pH, calcium (Ca), magnesium (Mg), zinc (Zn), and cation-exchange capacity on the exchange complex (ECEC), showed significant differences between the affected and healthy plots. In addition, the bulk density and saturated hydraulic conductivity (HC) were associated suggesting that physical attributes, such as soil compaction and poor drainage, create favorable conditions for FWB. According to the DSPC algorithm, the HC variable presented a grade of 5 and an intermediation of 14.67, which indicates that it has significant associations with BD, sand, porosity, ECEC, and OM and plays a critical role in the connection of other variables in the network and the differentiation of healthy and affected plots. These findings establish a baseline of information under field conditions in Colombia, which can be used to design soil management strategies to mitigate the detrimental effects of TR4 by creating less favorable conditions for the pathogen.

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