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Tri-trophic defenses as a central pivot of low-emission, pest-suppressive farming systems

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Title Tri-trophic defenses as a central pivot of low-emission, pest-suppressive farming systems
 
Creator Wyckhuys, Kris A.G.
Wei Zhang
Colmenarez, Yelitza C.
Simelton, Elisabeth
Sander, Björn Ole
Yanhui Lu
 
Subject coronavirus disease
covid-19
coronavirinae
pesticides
crops
ecology
biodiversity
pests
pathogens
weeds
pest control
approaches
infrastructures
diversification
soil quality
cultivar selection
crop rotation
climate-smart agriculture
 
Description Mitigate+: Research for Low-Emission Food Systems
The ongoing COVID-19 pandemic has spotlighted the intricate connections between human and planetary health. Given that pesticide-centered crop protection degrades ecological resilience and (in-)directly harms human health, the adoption of ecologically sound, biodiversity-driven alternatives is imperative. In this Synthesis paper, we illuminate how ecological forces can be manipulated to bolster ‘tritrophic defenses’ against crop pests, pathogens, and weeds. Three distinct, yet mutually compatible approaches (habitat-mediated, breeding-dependent, and epigenetic tactics) can be deployed at different organizational levels, that is, from an individual seed to entire farming landscapes. Biodiversity can be harnessed for crop protection through ecological infrastructures, diversification tactics, and reconstituted soil health. Crop diversification is ideally guided by interorganismal interplay and plant–soil feedbacks, entailing resistant cultivars, rotation schemes, or multicrop arrangements. Rewarding opportunities also exist to prime plants for enhanced immunity or indirect defenses. As tritrophic defenses spawn multiple societal cobenefits, they could become core features of healthy, climate-resilient, and low-carbon food systems.
 
Date 2022-10
2022-11-17T07:53:41Z
2022-11-17T07:53:41Z
 
Type Journal Article
 
Identifier Wyckhuys, Kris AG; Zhang, Wei; Colmenarez, Yelitza C.; Simelton, Elisabeth; Sander, Bjorn O.; and Lu, Yanhui. 2022. Tri-trophic defenses as a central pivot of low-emission, pest-suppressive farming systems. Current Opinion in Environmental Sustainability 58(October 2022): 101208. https://doi.org/10.1016/j.cosust.2022.101208
1877-3443
https://hdl.handle.net/10568/125503
https://doi.org/10.1016/j.cosust.2022.101208
 
Language en
 
Rights CC-BY-NC-ND-4.0
Open Access
 
Format application/pdf
 
Publisher Elsevier BV
 
Source Current Opinion in Environmental Sustainability