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The effects of cultivar and training system on vegetative growth of mango (Mangifera indica) orchards in Far North Queensland

Ibell Paula, Normand Frédéric, Kolala Ramkrishna, Wright Carole, White Niel, Bally Ian. 2018. The effects of cultivar and training system on vegetative growth of mango (Mangifera indica) orchards in Far North Queensland. In : Proceedings of the XI International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems. Corelli Grappadelli L. (ed.). ISHS. Louvain : ISHS, 77-84. (Acta Horticulturae, 1228) ISBN 978-94-6261-225-9 International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems. 11, Bologne, Italie, 28 Août 2016/2 Septembre 2016.

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Résumé : Understanding how and why canopy structural growth imposes productivity limitations is critical to managing high yielding, regular bearing mango (Mangifera indica) orchards. This study aimed to see how vegetative and reproductive growth responds to canopy management including bending. To investigate the relationship between shoot architecture, flowering and fruiting we measured structural, functional and temporal patterns of branching and flowering at the tree, scaffold and growth unit levels. Mango architectural analysis found strong varietal effects on vegetative growth, while increasing tree density led to increasing flowering across the orchard area. Single leader medium density trees had a significantly higher mean flower count (m-3 canopy volume tree-1) compared to the conventional training systems, and there was no significant difference between the densities within the conventional system. Limb bending of a parent in the single leader training systems led to an increase in the length of children growth units (bent = 16.07 cm, unbent = 12.05 cm). This paper outlines briefly the techniques used to collect architecture data and summarises the first year of vegetative and reproductive growth in each of the management scenarios.

Mots-clés libres : Planting density, Reproductive growth, Training systems, Tree architecture, Vegetative growth

Auteurs et affiliations

  • Ibell Paula, Centre for Tropical Agriculture (AUS)
  • Normand Frédéric, CIRAD-PERSYST-UPR HortSys (REU) ORCID: 0000-0002-4322-8262
  • Kolala Ramkrishna, Centre for Tropical Agriculture (AUS)
  • Wright Carole, Centre for Tropical Agriculture (AUS)
  • White Niel, Centre for Tropical Agriculture (AUS)
  • Bally Ian, Centre for Tropical Agriculture (AUS)

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Source : Cirad-Agritrop (https://agritrop.cirad.fr/590196/)

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