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Méthodes de création de variétés en amélioration des plantes

Méthodes de création de variétés en amélioration des plantes


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About the Book

Qu'est-ce qu'une variété en amélioration des plantes ? Pourquoi et comment crée-t-on une variété ? Le but de l'ouvrage est de répondre à ces questions en présentant assez simplement toutes les méthodes de sélection importantes pour la création de variétés, et en y intégrant deux outils de plus en plus utilisés: l'haplodiploïdisation et les marqueurs moléculaires. Le développement d'une sélection scientifique à la fin du xixe siècle a très rapidement conduit à des populations plus ou moins homogènes, appelées variétés. En fonction des caractéristiques biologiques de l'espèce et des considérations socio-économiques, le sélectionneur crée des variétés populations, des lignées pures, des hybrides, des variétés synthétiques ou des clones. Le but de l'amélioration des plantes est de réunir dans une même variété le maximum de gènes favorables. L'ouvrage montre, pour les différents types de variétés, comment cela peut se réaliser par la combinaison de la sélection et des systèmes de reproduction. Les méthodes conventionnelles ne sont nullement dépassées; elles sont toujours nécessaires, car les principes de gestion et d'utilisation de la variabilité génétique restent les mêmes et les nouveaux outils issus de la biologie moléculaire, de la génomique et des biotechnologies sont plutôt à intégrer dans les méthodes conventionnelles pour en augmenter l'efficacité.


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Product Details
  • ISBN-13: 9782759216574
  • Publisher Date: 15 Mar 2021
  • Height: 234 mm
  • No of Pages: 290
  • Spine Width: 15 mm
  • Width: 156 mm
  • ISBN-10: 2759216578
  • Binding: BC
  • Language: fre
  • Returnable: N
  • Weight: 412 gr


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