OCCURRENCE OF CYHEXATIN AND DICOFOL RESISTANCE IN THE EUROPEAN RED MITE, PANONYCHUS ULMI (KOCH) (ACARI: TETRANYCHIDAE), IN SOUTHERN ONTARIO
- 1 March 1987
- journal article
- research article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 119 (3) , 287-290
- https://doi.org/10.4039/ent119287-3
Abstract
Laboratory bioassays showed the occurrence of 8.5-fold resistance to cyhexatin and ca. 15-fold resistance to dicofol in laboratory-selected populations of European red mite (Panonychus ulmi (Koch)). Surveys, in 1984, of 45 orchards, using field-collected mites exposed to discriminating concentrations of cyhexatin or dicofol, detected resistance to cyhexatin in ca. 29% of the populations. Resistance to dicofol was identified in 2 of 45 assays.This publication has 10 references indexed in Scilit:
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