Spatio-temporal analysis of plant pests in a greenhouse using a Bayesian approach

Poncet Christine, Lemesle Valérie, Mailleret Ludovic, Bout Alexandre, Boll Roger, Vaglio Joëlle. 2010. Spatio-temporal analysis of plant pests in a greenhouse using a Bayesian approach. Agricultural and Forest Entomology, 12 (3) : pp. 325-332.

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Quartile : Q2, Sujet : ENTOMOLOGY

Abstract : 1 The present study aimed to propose a method that can improve our understanding of pest outbreaks and spatio-temporal development in greenhouse crops. 2 The experiment was carried out in a greenhouse rose crop grown under integrated pest management (IPM) for 21 months. The main pests observed were powdery mildew, two-spotted spider mites and western flower thrips. A quick visual sampling method was established to provide continuous monitoring of overall crop health. 3 A Bayesian inferential approach was then used to analyse temporal and spatial heterogeneity in the occurrence of pests. Interactions between pest dynamics and properties of spatial evolutions were exhibited revealing the influence of biotic and abiotic factors on crop health. 4 In the context of IPM, this information could be used to improve monitoring strategies by identifying periods or locations at risk. It could also facilitate the implementation of the whole IPM procedure through the identification of key factors that have a negative impact on overall crop health. (Résumé d'auteur)

Mots-clés Agrovoc : Rosa, Thrips (genre), Sphaerotheca pannosa, Frankliniella occidentalis, Neoseiulus cucumeris, Neoseiulus californicus, Tetranychus urticae

Mots-clés géographiques Agrovoc : France

Mots-clés complémentaires : Amblyseius addoensis

Classification Agris : H10 - Pests of plants
H20 - Plant diseases
U10 - Computer science, mathematics and statistics

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Poncet Christine, INRA (FRA)
  • Lemesle Valérie, CIRAD-PERSYST-UPR SCA (FRA)
  • Mailleret Ludovic, INRA (FRA)
  • Bout Alexandre, INRA (FRA)
  • Boll Roger, INRA (FRA)
  • Vaglio Joëlle, INRA (FRA)

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