Larvicidal and ovicidal efficacy of different insecticides applied by dipping of grape bunches on grapevine moth Lobesia botrana and grape berry moth Eupoecilia ambiguella | Efficacite larvicide et ovicide sur les vers de la grappe Lobesia botrana et Eupocelia ambiguella de differents insecticides appliques par trempage des grappes
2006
Charmillot, P.J. | Pasquier, D. | Salamin, C. | Briand, F. (Station de recherche Agroscope Changins-Waedenswil ACW, Nyon (Switzerland))
The larvicidal and ovicidal activity on grapevine moth L. botrana and grape berry moth E. ambiguella of some insecticides applied by dipping of bunches in different concentrations were tested. The larvicidal efficacy of most products was definitely higher on L. botrana than on E. ambiguella. LC50 of emamectin, spinosad, methoxyfenozide and indoxacarb was located between 0.003 and 0.05 ppm for L. botrana and between 0.03 and 0.3 ppm for E. ambiguella. Ovicidal effectiveness of fenoxycarb, a typically ovicidal product, and Lufox, a mixture of fenoxycarb and lufenuron, was stronger on E. ambiguella than on L. botrana. The other tested products did not show any ovicidal potential worthy of interest, except for methoxyfenozide and flufenoxuron, which were relatively effective on L. botrana.
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