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Food security through translational biology between wheat and rice

Valluru Ravi, Reynolds Matthew P., Lafarge Tanguy. 2015. Food security through translational biology between wheat and rice. Food and Energy Security, 4 (8) : pp. 203-218.

Journal article ; Article de revue à facteur d'impact Revue en libre accès total
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Abstract : Wheat and rice are the most important food crops in agriculture providing around 50% of all calories consumed in the human diet. While both are C3 species, the evolution and domestication of wheat and rice occurred in very different environments, resulting in diverse anatomical and metabolic adaptation. This review focuses on the current understanding of their adaptation in an agronomic context. The similarities and differences between wheat and rice are discussed, focusing on traits related to phenology, photosynthesis, assimilate partitioning, and lodging resistance, these being the main abiotic drivers of yield expression in most agro-ecosystems. Currently, there are significant knowledge gaps in the major biological processes that account not only for differential adaption among cultivars within each species, but even between the two species. By addressing what is known as well as where gaps exist in a comparative context, this review aims to highlight translational research approaches that could provide insights into the genetic improvement of both crops. (Résumé d'auteur)

Mots-clés Agrovoc : Oryza sativa, Triticum, riz, blé, Adaptation, Adaptation physiologique, Facteur du milieu, Rendement des cultures, Physiologie végétale, Biologie, sécurité alimentaire, Méthodologie, Recherche, Phénologie, Photosynthèse, Amélioration des plantes

Mots-clés libres : Comparative biology, Rice, Translational biology, Wheat, Yield potential

Classification Agris : F60 - Plant physiology and biochemistry
U30 - Research methods
F30 - Plant genetics and breeding

Champ stratégique Cirad : Axe 1 (2014-2018) - Agriculture écologiquement intensive

Auteurs et affiliations

  • Valluru Ravi, CIMMYT (MEX)
  • Reynolds Matthew P., CIMMYT (MEX)
  • Lafarge Tanguy, CIRAD-BIOS-UMR AGAP (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/583520/)

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