期刊
PEST MANAGEMENT SCIENCE
卷 -, 期 -, 页码 -出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/ps.7538
关键词
monitoring; optical sensors; Meligethes aeneus; rapeseed; pesticide reduction; sustainable agriculture; integrated pest management; precision agriculture
This study explored the spatial and temporal dynamics of pollen beetle immigration into oilseed rape fields in Denmark and the UK, and found that optical sensors were the most efficient monitoring method. The aggregation pattern of pollen beetles after immigration can be used for precise control in oilseed rape crops.
BACKGROUNDUnderstanding the dynamics of pest immigration into an agroecosystem enables effective and timely management strategies. The pollen beetle (Brassicogethes aeneus) is a primary pest of the inflorescence stages of oilseed rape (Brassica napus). This study investigated the spatial and temporal dynamics of pollen beetle immigration into oilseed rape fields in Denmark and the UK using multiple methods, including optical sensors. RESULTSIn all fields, pollen beetles were found to be aggregated and beetle density was related to plant growth stage, with more beetles occurring on plants after the budding stage than before inflorescence development. Optical sensors were the most efficient monitoring method, recording pollen beetles 2 and 4 days ahead of water traps and counts from plant scouting, respectively. CONCLUSIONOptical sensors are a promising tool for early warning of insect pest immigration. The aggregation pattern of pollen beetles post immigration could be used to precisely target control in oilseed rape crops. & COPY; 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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