Improvement of banana growing conditions with the Katryx(R)bag

Jannoyer Magalie, Chillet Marc. 1998. Improvement of banana growing conditions with the Katryx(R)bag. In : Proceedings of the first international symposium on banana in the subtropics. Galan Sauco Victor (ed.). Wageningen : ISHS, pp. 127-134. (Acta Horticulturae, 490) ISBN 90-6605-930-3 International Symposium on Banana in the Subtropics. 1, Puerto de la Cruz, Espagne, 10 November 1997/14 November 1997.

Paper with proceedings
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Autre titre : Amélioration des conditions de culture du bananier avec la gaine Katryx(R)

Abstract : Banana growers commonly use blue sleeves to protect the bunches during fruit growth. The Katryx(R) bag is a transparent sleeve with specific UVb and IR permeability properties, particularly a 30 % IR permeability reduction. This three-layer product was developed and patented by the Plastibana company, to allow better light and temperature conditions for banana growth. The effects of Katryx(R) and blue sleeves on the inside microclimate and on fruit quality were investigated. When using a frame to simulate the bunch, it was found that the Katryx(R) sleeve had a buffer effect with high temperatures. Thermal variations between night and day were thus limited; the inside temperature was kept around the theoretical optimum growth value in the West Indies, which varies between 29 and 30'C. When using the Katryx(R) sleeve, an increase in light quantity and a modification in light quality were also observed and, therefore, an increase in the photothermal coefficient. Banana plants ('Cavendish' cv 'Grande Naine') were used to investigate the effect of Katryx(k and blue sleeves on fruit growth. Katryx(R) covering increased fruit firmness and peel hardness, as well as fruit length and average grade (+2 to 8%), depending on the environmental conditions and on the position of the hand. (Résumé d'auteur)

Mots-clés Agrovoc : Musa acuminata, Banane, Croissance, Pratique culturale, Film plastique, Polyéthylène, Protection des plantes, Lutte physique, Microclimat, Absorbance, Rayonnement ultraviolet, Rayonnement infrarouge, Propriété optique, Lumière, Température, Qualité, Fermeté, Dimension

Mots-clés géographiques Agrovoc : Guadeloupe

Mots-clés complémentaires : Régime de fruits, Sac plastique

Classification Agris : F62 - Plant physiology - Growth and development
F01 - Crop husbandry
H01 - Protection of plants - General aspects

Auteurs et affiliations

  • Jannoyer Magalie
  • Chillet Marc, CIRAD-FLHOR-BPA (GLP)

Autres liens de la publication

Source : Cirad - Agritrop (

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