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Journal article
The correlation between volatile compounds emitted from Sitophilus granarius (L.) and its electrophysiological and behavioral responses
Insects, Vol.13(5), Article 478
2022
Abstract
The granary weevil Sitophilus granarius (L.) is one of the most serious primary insect pests of stored products. When S. granarius present in grains, various volatile organic compounds are released as chemical signals which can be used to detect the insects. In this study, volatile chemical compounds released from S. granarius were analyzed using the headspace solid phase micro-extraction (HS-SPME) coupled with gas chromatography (GC)–mass spectrometry (MS) techniques. Two key compounds, 3-hydroxy-2-butanone and 1-pentadecene, were identified from mixed gender of S. granarius adults at high density. Moreover, both male and female adults showed dose-dependent electroantennography (EAG) responses to 3-hydroxy-2-butanone. In behavioral assays, S. granarius was attracted to 3-hydroxy-2-butanone at 0.001 µg/10 µL but repelled at 10 µg/10 µL or higher. S. granarius was consistently repelled by 1-pentadecene at concentrations at 0.001 and 1000 µg/10 µL. 3-hydroxy-2-butanone and 1-pentadecene have considerable potential to offer in the development of new approaches for the monitoring and management of this destructive stored grain insect pest.
Details
- Title
- The correlation between volatile compounds emitted from Sitophilus granarius (L.) and its electrophysiological and behavioral responses
- Authors/Creators
- L. Cai (Author/Creator) - Fujian Agriculture and Forestry UniversityS. Macfadyen (Author/Creator) - Agriculture and FoodB. Hua (Author/Creator) - Northwest A&F UniversityW. Xu (Author/Creator) - Murdoch UniversityY. Ren (Author/Creator) - Murdoch University
- Publication Details
- Insects, Vol.13(5), Article 478
- Publisher
- MDPI
- Identifiers
- 991005545143107891
- Copyright
- © 2022 by the authors
- Murdoch Affiliation
- School of Agricultural Sciences
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.32 Entomology
- 3.32.1138 Botanical Insecticides
- Web Of Science research areas
- Entomology
- ESI research areas
- Plant & Animal Science