ArticleEnvironmental entomology2025
Volatiles from endangered Braya longii (Brassicales: Brassicaceae) influence oviposition choice by Plutella xylostella (Lepidoptera: Plutellidae).
Article in Environmental entomology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Corrections and comments
- Erratum issuedCorrection.2025
Authors and funding
2 authors.
Funding
Abstract
Long's Braya, Braya longii Fernald (Brassicales: Brassicaceae), is an endangered plant in the family Brassicaceae found only on the Limestone Barrens of the Great Northern Peninsula of Newfoundland, Canada. Conservation of this species hinges on management of pests, diseases, and disturbances, which threaten their small populations. In particular, a global agricultural pest, diamondback moth, Plutella xylostella L. (Lepidoptera: Plutellidae), causes significant damage to persistence of B. longii and contributes to possible extinction. This study investigates if there are key volatiles that attract P. xylostella to B. longii, thereby contributing to the pest's impact on the plant. Headspace collections, GC-MS, and GC-EAD revealed a unique volatile profile for B. longii, with (E)-2-nonenal as a key volatile that elicited strong antennal responses in P. xylostella. Oviposition assays confirmed female preference for E2-nonenal-baited radishes. This finding has implications for P. xylostella pest management, highlights the importance of chemical ecology in both crop protection and endangered species conservation.
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