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Pest Manag Sci

Title:		Stop me if you can: quantification of the effect of interfaces between plots on the dispersal of Cosmopolites sordidus
Author(s):		Delaplace A; Coulis M; Chapillon L; Cottin G; Tixier P;
Address:		"CIRAD, UPR GECO, Le Lamentin, France. GECO, Univ Montpellier, CIRAD, Montpellier, France. Presta'SCIC, Fort-de-France, France. CIRAD, UPR GECO, Montpellier, France. UPR GECO, CIRAD, Vientiane, Lao People's Democratic Republic"
Journal Title:		Pest Manag Sci
Year:		2023
Volume:		20230810
Issue:
Page Number:		-
DOI:		10.1002/ps.7710
ISSN/ISBN:		1526-4998 (Electronic) 1526-498X (Linking)
Abstract:		"BACKGROUND: Cosmopolites sordidus is one of the most damaging pests of banana worldwide. To date, most studies have addressed the control of this pest at the plot level, without considering the landscape scale, whereas between plots dispersion could be important. The aim of this study was to investigate the ability of C. sordidus to cross contrasted field interfaces. The 10 following interfaces were investigated: forests, hedgerows, field tracks, grassy areas, finely and coarsely tilled soil zones, ditches with and without water, vegetable gardening zones, and pheromone trap lines. Individually marked weevils were released on one side of the interface and recovered daily on the other side, allowing the estimation of the velocity and the crossing success of C. sordidus for each interface. RESULTS: Highest permeabilities (with a crossing success above 70%) were obtained for vegetable gardening zones, finely tilled soil zones, forests, and coarsely tilled soil zones. Intermediate permeabilities were measured for hedgerows, field tracks, grassy areas, and ditches without water. Only the line of pheromone traps and submerged ditches had a strong barrier effect on C. sordidus, with a crossing success below 12%. Wind strength, percentage of sky, and vegetation height were negatively correlated to the C. sordidus crossing success. CONCLUSION: Overall, our results showed that only ditches with water and lines of pheromone traps were efficient in stopping the dispersal of C. sordidus. The next step will be to conduct research to incorporate the use of these two interfaces at farm and landscape scale into integrated pest management strategies. (c) 2023 Society of Chemical Industry"
Keywords:		banana weevil hedgerows insect movement landscape ecology pheromone traps;
Notes:		"PublisherDelaplace, Alexis Coulis, Mathieu Chapillon, Laure Cottin, Gwenaelle Tixier, Philippe eng 2019/1952/ANRT grant/ AFB/2019-308/Ecophyto-AAP Leviers Territoriaux/ England 2023/08/11 Pest Manag Sci. 2023 Aug 10. doi: 10.1002/ps.7710"