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Mango canopy management: new approaches to old issues

Normand Frédéric, Lauri Pierre-Eric. 2015. Mango canopy management: new approaches to old issues. In : Handbook of the XI International Mango Symposium. 'Science Supporting the Mango Industry'. ISHS. Darwin : ISHS, Résumé, p. 1. International Mango Symposium. 11, Darwin, Australie, 28 September 2015/2 October 2015.

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Normand keynote XI IMS Darwin 2015.pdf

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Url - éditeur : http://mango2015.com.au/program/?IntCatId=27

Matériel d'accompagnement : 1 diaporama 36 vues

Additional Information : Frédéric Normand est l'expert invité du Cirad

Abstract : The mango tree is a large tropical tree giving in general low and irregular yields across consecutive years. Researches on canopy management have been a cornerstone to lessen, but not resolve, these problems. Mango production now faces new commercial and societal demar_ids besides higher yields: better fruit quality, in particular sanitary and nutritional quality, and reduced impacts on the environment. These issues bring challenges for the design of canopy management strategies since these objectives are interacting and sometimes conflicting. A better knowledge of the mango tree canopy functioning, in relation toits environment, appears necessary to design appropriate canopy management practices and to deal with the necessary compromises between these objectives. The study of tree architectural development, cou pied with ecophysiological researches, appears as a relevant approach to tackle these points. ln this paper we draw the current trends in terms of canopy management and vigour contrai for the manga tree, we present the recent advances made in architectural analysis and ecophysiology, and we outline the research needs for the future. The importance of the cultivar factor is highlighted, leading to the conclusion that a unique canopy management strategy is probably utopian, and cultivar-specific strategies must be considered. Another key point is the necessary interdisciplinarity of these approaches, in order to gather and process ecophysiological, architectural and genetic data to design canopy management strategies. Finally, the complexity of the canopy functioning requires a conceptual and quantitative modelling approach to synthesise the knowledge and to support the design of management strategies. (Texte intégral)

Mots-clés libres : Ecophysiology, Flowering, Genotype, Mangifera indica, Modelling, Tree architecture, Vigour control, Yield

Classification Agris : F01 - Crops
F30 - Plant genetics and breeding
F63 - Plant physiology - Reproduction
U10 - Computer science, mathematics and statistics
F62 - Plant physiology - Growth and development

Auteurs et affiliations

  • Normand Frédéric, CIRAD-PERSYST-UPR HortSys (REU)
  • Lauri Pierre-Eric, INRA (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/579951/)

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