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Relationship between the nutritional status of banana plants and black sigatoka severity in the Magdalena region of Colombia

Aguirre, Sonia Esperanza and Piraneque, Nelson Virgilio and Rodríguez Barrios, Javier (2015) Relationship between the nutritional status of banana plants and black sigatoka severity in the Magdalena region of Colombia. Agronomía Colombiana, 33 (3). pp. 348-355. ISSN 2357-3732

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Resumen

The association between the severity (average percentage of infection-API) by Mycosphaerella fijiensis M. Morelet and the plant nutrient content in the Banana Growing Zone of the Department of Magdalena (Colombia) was established. Between 2011 and 2012, the foliar contents of N, P, K, Ca, Mg, Na, S, Cu, Fe, B, Zn, and Mn were determined in sectors with high, medium, and low incidences in order to establish their relationships with the API. Severity was determined with the Stover and Dickson methodology, modified by Gauhl for bananas, in order to obtain sanitary information for the zone. With the obtained data, a correlation analysis was completed and the ordination technique was utilized to establish the relationships between farms and variables using an Euclidean distance. The differences between the farms and years were estimated with a two way analysis of variance with permutations and a canonical discrimination analysis in order to differentiate the farms using the measured foliar variables. The results highlighted the importance of the appropriate and balanced management of site-specific nutritional plans for the management of black sigatoka.

Tipo de documento:Artículo - Article
Palabras clave:Micosphaerella fijiensis, Musa sp, Integrated disease management, host parasite relations, plant tissue analysis
Temática:5 Ciencias naturales y matemáticas / Science > 57 Ciencias de la vida; Biología / Life sciences; biology
5 Ciencias naturales y matemáticas / Science > 58 Plantas / Plants
Unidad administrativa:Revistas electrónicas UN > Agronomía Colombiana
Código ID:55315
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :19 Dec 2016 15:17
Ultima modificación:23 Junio 2017 20:42
Ultima modificación:23 Junio 2017 20:42
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