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Effect of black leaf streak disease on banana fruit quality

Saraiva L.A., Castelan Florence P., Cordenunsi Beatriz R., Chillet Marc. 2013. Effect of black leaf streak disease on banana fruit quality. In : Proceedings of the International ISHS-ProMusa Symposium on bananas and plantains : Towards sustainable global production and improved uses, Salvador, Bahia State, Brazil, October 10-14, 2011. Van den Bergh Inge (ed.), Amorim Edson P. (ed.), Johnson Vincent (ed.). ISHS. Louvain : ISHS [Belgique], 339-344. (Acta Horticulturae, 986) ISBN 978-90-6605-359-5 International ISHS-ProMusa Symposium on bananas and plantains, Salvador, Brésil, 10 Octobre 2011/14 Octobre 2011.

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Résumé : During fruit development, banana accumulates starch, which is then degraded during ripening. This degradation provides precursors for sucrose and volatile compounds, responsible for sweetness and the characteristic aroma of the fruit. Starch metabolism may be influenced by the phytosanitary status of the plant. Black leaf streak disease (BLSD), caused by the pathogenic fungus Mycosphaerella fijiensis, is one of the most important diseases of banana. BLSD causes yield loss and has a strong effect on postharvest fruit quality. The aim of this study was to evaluate differences between the starch and sugars contents of fruits from a BLSD-infested plot and a fungicide-treated (control) plot. Starch and sugar contents were determined in fruits at two different physiological ages, i.e., early and late fruit harvest. Results show that BLSD may affect starch metabolism in a way similar to the advance of physiological age.

Classification Agris : H20 - Maladies des plantes
F60 - Physiologie et biochimie végétale
Q04 - Composition des produits alimentaires

Auteurs et affiliations

  • Saraiva L.A., USP (BRA)
  • Castelan Florence P., USP (BRA)
  • Cordenunsi Beatriz R., USP (BRA)
  • Chillet Marc, CIRAD-PERSYST-UMR Qualisud (BRA)

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Source : Cirad - Agritrop (https://agritrop.cirad.fr/569489/)

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