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Mathematical Modelling of the biocontrol of Rubus alceifolius, an invasive plant in Réunion Island

Mathematical Modelling of the biocontrol of Rubus alceifolius, an invasive plant in Réunion Island. Dumont Yves, Mathieu Alexandre, Quilici Serge. 2013. In : Proceedings of the 7th International Conference on Functional-Structural Plant Models (FSPM2013), Saariselkä, Finland, 9-14 June 2013. Eds. Risto Sievänen, Eero Nikinmaa, Christophe Godin, Anna Lintunen, Pekka Nygren. Vantaa, : Finnish Society of Forest Science, 369-371. ISBN 978-951-651-408-9

International Conference on Functional-Structural Plant Models. 7, Saariselkä, Finlande, 9 Juin 2013/14 Juin 2013.
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Résumé : Invasive plants have become a major threat throughout the world, in particular in islands where the biodiversity is important and even unique. Since the 17th century, many weeds or invasive plants have been introduced in Réunion Island. Among them Rubus alceifolius, a giant bramble, is the most invasive and threatening to the endemic vegetation. After years of unsuccessful and even detrimental controls with herbicide applications and/or mechanical removal, a new biological control program has been launched, based on the release of a biocontrol agent, Cibdela janthina, a sawfly. Modelling Rubus-Cibdela interactions is not only helpfull to formalize knowledges but also to guide control strategies and decision-making, in particular before field releases. The aim of this talk, is to present a minimal mathematical model and some results based on ongoing experiments in Réunion Island. (Résumé d'auteur)

Classification Agris : U10 - Méthodes mathématiques et statistiques
H60 - Mauvaises herbes et désherbage

Auteurs et affiliations

  • Dumont Yves, CIRAD-BIOS-UMR AMAP (FRA)
  • Mathieu Alexandre, CIRAD-BIOS-UMR PVBMT (REU)
  • Quilici Serge, CIRAD-BIOS-UMR PVBMT (REU)

Source : Cirad - Agritrop

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