Plant training for induced defense against insect pests: a promising tool for integrated pest management in cotton

Plant training for induced defense against insect pests: a promising tool for integrated pest management in cotton. Llandres Lopez Ana, Almohamad Raki, Brévault Thierry, Renou Alain, Téréta Idrissa, Jean Janine, Goebel François-Régis. 2018. Pest Management Science, 35 p.

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Article de revue ; Article de synthèse ; Article de revue à facteur d'impact

Résumé : Enhancing cotton pest management using plant natural defenses has been described as a promising way to improve the management of crop pests. We here reviewed different studies on cotton growing systems to illustrate how an ancient technique called plant training, which includes plant topping and pruning, may contribute to this goal. Based on examples from cotton crops, we show how trained plants could be promoted to a state of enhanced defense that causes faster and more robust activation of their defense responses. We revisit agricultural benefits associated to this technique in cotton crops, with a focus on its potential as a supplementary tool for Integrated Pest Management (IPM). Particularly, we examine its role in mediating plant interactions with conspecific neighboring plants, pests and associated natural enemies. We propose a new IPM tool, plant training for induced defense, which involves inducing plant defense by artificial injuries. Experimental evidence from various studies shows that cotton training is a promising technique, particularly for smallholders, which can be used as part of an IPM program to significantly reduce insecticide use and to improve productivity in cotton farming.

Mots-clés Agrovoc : Gossypium, Ravageur des plantes, Lutte culturale, Résistance aux organismes nuisibles, Gestion intégrée des ravageurs

Mots-clés libres : cotton; IPM; plant resistance; induced defenses; natural enemies; insect pests; sustainable crop protection

Classification Agris : H10 - Ravageurs des plantes

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

Auteurs et affiliations

  • Llandres Lopez Ana, CIRAD-PERSYST-UPR AIDA (FRA)
  • Almohamad Raki, CIRAD-PERSYST-UPR AIDA (FRA)
  • Brévault Thierry, CIRAD-PERSYST-UPR AIDA (SEN)
  • Téréta Idrissa, IER (MLI)
  • Goebel François-Régis, CIRAD-PERSYST-UPR AIDA (FRA)

Source : Cirad-Agritrop

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