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Cover cropping reduces the abundance of the banana weevil Cosmopolites sordidus but does not reduce its damage

Carval Dominique, Resmond Rémi, Achard Raphaël, Tixier Philippe. 2016. Cover cropping reduces the abundance of the banana weevil Cosmopolites sordidus but does not reduce its damage. Biological Control, 99 : 14-18.

Article de revue ; Article de recherche ; Article de revue à facteur d'impact
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Carval et al 2016 Biological Control.pdf

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Url - jeu de données - Entrepôt autre : http://agritrop.cirad.fr/581755/

Quartile : Q1, Sujet : ENTOMOLOGY / Quartile : Q2, Sujet : BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Résumé : Diversification of cropping systems raises new questions in the functioning of arthropod communities and biological control of pests. In banana cropping systems, the addition of a cover crop can increase biodiversity in general and the diversity and abundance of arthropod generalist predators in particular. We measured the abundance of a major pest of bananas, the banana weevil Cosmopolites sordidus, in plots with a cover crop, Paspalum notatum, and in plots with bare soil; all plots had banana plants. We also measured the effect of the cover crop on the damage done to corms by weevil larvae and on banana fruit biomass. The addition of the cover crop reduced numbers of mature C. sordidus adults but failed to reduce damage to corms. The proportion of young adults, which reflects survival of eggs and larvae, was higher in cover crop plots than in bare soil plots and was negatively correlated with the abundance of the earwig Euborellia caraibea. Fruit biomass was lower in cover crop plots, perhaps because of competition between the banana crop and the cover crop.

Mots-clés Agrovoc : Musa (bananes), Cosmopolites sordidus, lutte biologique, culture sous couvert végétal, services écosystémiques, Paspalum notatum

Mots-clés géographiques Agrovoc : Martinique, Antilles françaises, France

Mots-clés libres : Biological control, Banana weevil, Earwig, Ecosystem services, Crop damages

Classification Agris : H10 - Ravageurs des plantes
F08 - Systèmes et modes de culture

Champ stratégique Cirad : Axe 4 (2014-2018) - Santé des animaux et des plantes

Auteurs et affiliations

  • Carval Dominique, CIRAD-PERSYST-UPR GECO (FRA)
  • Resmond Rémi, Campus Agroenvironnemental Caraibes (MTQ)
  • Achard Raphaël, CIRAD-PERSYST-UPR Systèmes bananes et ananas (MTQ)
  • Tixier Philippe, CIRAD-PERSYST-UPR GECO (FRA) ORCID: 0000-0001-5147-9777

Source : Cirad-Agritrop (https://agritrop.cirad.fr/581771/)

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