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Pollinisateurs d'abeilles pour le radis (Raphanus sativus L.)

Pollinisateurs d'abeilles pour le radis (Raphanus sativus L.)


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About the Book

Le radis (Raphanus sativus L.) est fortement pollinisé et ses attributs qualitatifs (% de germination, viabilité des graines, etc.) et quantitatifs (rendement, productivité, etc.) dépendent fortement de la pollinisation par les insectes. Un total de 18 espèces d'insectes appartenait à 3 familles différentes. Les espèces d'insectes appartenant à la famille des hyménoptères, à savoir Apis mellifera L., A. dorsata F., A. florea F., A. cerana F., étaient les pollinisateurs les plus fréquents et les plus abondants. Le pollinisateur le plus abondant était A. mellifera (6,8 abeilles/m2/5 minutes) tandis que le moins abondant était A. cerana (1,4 abeilles/m2/5 minutes). La population de pollinisateurs la plus élevée (6,5 abeilles/m2/5 minutes) a été observée à 1100-1300 h de la journée, quelle que soit l'espèce. Les abeilles domestiques ont commencé leur activité entre 0800-0850 heures, alors qu'elles ont cessé entre 1730-1830 heures de la journée. La vitesse et le taux de butinage maximum ont été enregistrés chez A. mellifera (8,42 secondes/fleur) et A. cerana (10,33 fleurs/minute). Le pollinisateur le plus efficace était A. mellifera (2261000) alors que le moins efficace était A. cerana (295750). Les attributs qualitatifs et quantitatifs de la culture ont été corrélés de manière significativement plus élevée dans des conditions sans cage que dans des conditions avec cage.


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Product Details
  • ISBN-13: 9786205355411
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Editions Notre Savoir
  • Height: 229 mm
  • No of Pages: 56
  • Spine Width: 3 mm
  • Width: 152 mm
  • ISBN-10: 6205355418
  • Publisher Date: 14 Nov 2022
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 145 gr


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