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Enhanced drought adaptation in African savanna crops

Lacape Jean-Marc, Loison Romain, Foncéka Daniel. 2016. Enhanced drought adaptation in African savanna crops. In : Climate change and agriculture worldwide. Torquebiau Emmanuel (ed.), Manley David (trad.), Cowan Paul (trad.). Heidelberg : Springer, pp. 59-71. ISBN 978-94-017-7460-4

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Abstract : Producing varieties tailored for sustainable agriculture, especially with high resilience in response to environmental constraints, is a challenge for geneticists. In the framework of climate risk characterization regarding drought, a multidisciplinary approach combining ecophysiology and genetics could be effective for developing varietal ideotypes that combine adaptive traits that could be useful for breeding. Selection initiatives geared towards obtaining varieties with high drought resistance are focused on natural or hybridization-based diversity and on adaptive trait screening tests. Examples of research programmes developed in partnership by CIRAD are presented with regard to two tropical crops-cotton and groundnut. The beneficial features of African sorghum associated with its photoperiodic nature are discussed. Broad-ranging investigations to tap the gene pool of wild species related to cultivated species are required to make effective use of the genetic diversity. (Résumé d'auteur)

Mots-clés Agrovoc : Plante de culture, Gossypium, Sorghum, Adaptation, Sécheresse, Stress dû à la sécheresse, Génétique, Écologie, Physiologie végétale, adaptation aux changements climatiques, Amélioration des plantes, Savane, Sélection, Mécanisme de défense, Intéraction génotype environnement, Hybridation, Plante sauvage, Tolérance à la sécheresse, Arachis hypogaea, Étude de cas, Gossypium hirsutum

Mots-clés géographiques Agrovoc : Afrique

Classification Agris : F30 - Plant genetics and breeding
H50 - Miscellaneous plant disorders
P40 - Meteorology and climatology
F60 - Plant physiology and biochemistry

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

Auteurs et affiliations

  • Lacape Jean-Marc, CIRAD-BIOS-UMR AGAP (FRA)
  • Loison Romain, CIRAD-PERSYST-UPR AIDA (FRA) ORCID: 0000-0001-6562-658X
  • Foncéka Daniel, CIRAD-BIOS-UMR AGAP (SEN)

Autres liens de la publication

Source : Cirad-Agritrop (https://agritrop.cirad.fr/578521/)

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