Induced plant defences in biological control of arthropod pests: a double-edged sword

Maria L. Pappas*, Colette Broekgaarden, George D. Broufas, Merijn R. Kant, Gerben J. Messelink, Anke Steppuhn, Felix Wäckers, Nicole M. van Dam

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

14 Citations (Scopus)

Abstract

Biological control is an important ecosystem service delivered by natural enemies. Together with breeding for plant defence, it constitutes one of the most promising alternatives to pesticides for controlling herbivores in sustainable crop production. Especially induced plant defences may be promising targets in plant breeding for resistance against arthropod pests. Because they are activated upon herbivore damage, costs only incur when defence is needed. Moreover, they can be more specific than constitutive defences. Nevertheless, inducible defence traits that are harming plant pest organisms may interfere with biological control agents, such as predators and parasitoids. Despite the vast fundamental knowledge on plant defence mechanisms and their effects on natural enemies, our understanding on the feasibility of combining biological control with induced plant defence in practice is relatively poor. In this review, we focus on arthropod pest control and present the most important features of biological control with natural enemies and of induced plant defence. Furthermore, we show potential synergies and conflicts among them and finally, identify gaps and list opportunities for their combined use in crop protection. We suggest that breeders should focus on inducible resistance traits that are compatible with the natural enemies of arthropod pests, specifically traits that facilitate communities of natural enemies to build-up.
Original languageEnglish
Pages (from-to)1780-1788
JournalPest Management Science
Volume73
Issue number9
DOIs
Publication statusPublished - 2017

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    Pappas, M. L., Broekgaarden, C., Broufas, G. D., Kant, M. R., Messelink, G. J., Steppuhn, A., Wäckers, F., & van Dam, N. M. (2017). Induced plant defences in biological control of arthropod pests: a double-edged sword. Pest Management Science, 73(9), 1780-1788. https://doi.org/10.1002/ps.4587