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Efficacy of three strategies based on insecticide, oil and elicitor treatments in controlling aphid populations and potato virus Y epidemics in potato fields

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Dupuis, Brice [UCL] Schwaerzel, Ruedi [Agroscope Changins-Wädenswil ACW, Nyon, Switzerland] Derron, Jacques [Agroscope Changins-Wädenswil ACW, Nyon, Switzerland]

Potato virus Y (PVY), the potato virus with the highest economic impact in Europe, is transmitted by aphids in a non-persistent manner. A two-year field experiment was conducted in Switzerland to evaluate the efficacy of three strategies for controlling aphid populations and the spread of PVY, consisting of treatment with one insecticide (Karate Zeon®), one elicitor (Bion®) and one oil (Telmion®), respectively. The elicitor strategy proved to be ineffective for controlling aphid populations and inadequate for controlling PVY spread. The insecticide strategy gave incomplete protection from aphid infestations, owing to the selection of aphid-resistant clones. The insecticide gave too little protection against PVY spread for it to be considered a suitable candidate for the purpose. The oil strategy had no effect on aphid populations, but was the best option to reduce PVY spread. © 2013 Blackwell Verlag GmbH.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2014
Language Anglais
Journal information "Journal of Phytopathology" - Vol. 162, no. 1, p. 14-18 (2014)
Peer reviewed yes
Publisher Wiley-Blackwell Verlag GmbH
e-issn 1439-0434
issn 0931-1785
Publication status Publié
Affiliations UCL - SST/ELI - Earth and Life Institute
UCL - SST/ELI/ELIM - Applied Microbiology
Links
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Bibliographic reference Dupuis, Brice ; Schwaerzel, Ruedi ; Derron, Jacques. Efficacy of three strategies based on insecticide, oil and elicitor treatments in controlling aphid populations and potato virus Y epidemics in potato fields. In: Journal of Phytopathology, Vol. 162, no. 1, p. 14-18 (2014)
Permanent URL http://hdl.handle.net/2078.1/160255