Résilience et Adaptation de l'Orge en Zones Semi-Arides
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Résilience et Adaptation de l'Orge en Zones Semi-Arides

Résilience et Adaptation de l'Orge en Zones Semi-Arides


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About the Book

L'orge (Hordeum vulgare L.) occupe une place essentielle dans les systèmes agroalimentaires et pastoraux des régions semi-arides d'Algérie, où les cultures sont fortement soumises à l'irrégularité des précipitations, aux températures extrêmes et à la dégradation des sols. Dans ce contexte, la question de l'adaptation variétale devient un enjeu stratégique pour assurer la stabilité des rendements, la sécurité alimentaire et la durabilité des agroécosystèmes. Cet ouvrage s'intéresse à l'étude de l'adaptation de différents génotypes d'orge - anciens et modernes, à deux ou six rangs - face aux contraintes climatiques caractéristiques de la région de Sétif. Il analyse, dans une approche intégrative, les principaux déterminants de la tolérance aux stress abiotiques, en mettant l'accent sur les caractères phénologiques, morphologiques et physiologiques liés à la résilience et à l'efficience d'utilisation des ressources hydriques. Une attention particulière est accordée au rôle des traits associés à l'élaboration du rendement, à l'indice de récolte, au maintien de la surface foliaire verte, ainsi qu'aux innovations récentes telles que l'analyse numérique de la végétation, utilisées pour mieux comprendre les stratégies d'adaptation des plantes. Au-delà de l'évaluation des génotypes, cet ouvrage vise à offrir un cadre scientifique pour orienter la sélection variétale vers des orges plus performantes, stables et adaptées aux environnements arides et semi-arides du Nord de l'Afrique. Il propose également une réflexion sur l'importance de la diversité génétique, de la sélection participative et de l'intégration des approches physiologiques et agronomiques dans les programmes d'amélioration. Ainsi, le livre se positionne comme une référence pour les chercheurs, sélectionneurs, agronomes et étudiants, en fournissant des bases scientifiques solides pour développer des variétés capables de répondre aux défis climatiques actuels et futurs.


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Product Details
  • ISBN-13: 9789999332170
  • Publisher: Eliva Press
  • Publisher Imprint: Eliva Press
  • ISBN-10: 999933217X
  • Publisher Date: 01 Jan 2025


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