Paper Title
Pesticide Mixtures For Controlling The Citrus Rust Mite Phyllocoptrutaoleivora Infestingorange Treesin Wadi El-Natroun, Egypt

Abstract
Eight pesticide mixtures were evaluated to determine their efficacy against the eriophyid mite Phyllocoptrutaoleivorainfesting Valencia orange trees,Citrus sinensisL., in Wadi El-Natroun, Egypt. The pesticides hexythiazox, fenpyroximat, chlorfenapyr, abamectin, spirodiclofen and spirotetramat, at their ¾ recommended doses, were mixed individually with petroleum oil (P. oil) at the dose of 1 %. Moreover, abamectin, at its ¾ recommended dose, was mixed with sulfur, at the dose of 0.25 %, besides spirodiclofen at its ¾ recommended dose severally.Each mixture was sprayed 3 times a season for two successive summer seasons.The first inspection, after five days of each spray, showed that none of the mixtures achieved a mortality of 100 %. The second inspection, after ten days of each spray, showed that only the mixture of abamectin + Spirodiclofen achieved a mortality of 100 %. For the third inspection, after fifteen days of each spray, the mortality of 100 % was achieved by the mixtures of abamectin + Spirodiclofen, Abamectin + Sulfur, Abamectin + P. oil, and Hexythiazox + P.oil in both seasons;Spirodiclofen + P. oil in both seasons except at the first spray of the first season; andFenpyroximate + P. oil in addition to Chlorfenapyr + P. oil only at the third spray of the first season. It is worth saying that the mixture of spirotetramat + P. oil didn't show a mortality of 100 % at any inspection. The mean reduction percentage of the three sprays reveals that the effective mixtures, in descending order, are Abamectin + Spirodiclofen, Abamectin + Sulfur, Abamectin + P. oil, Spirodiclofen + P. oil, Hexythiazox + P. oil, Spirotetramat + P. oil, Fenpyroximate + P. oil, and Chlorfenapyr + P. oil. The maximum orange production was obtained by using the mixture of abamectin+ P. oil in the second season. Keywords - Citrus rust mite, Valencia orange, Egypt, Pesticide mixtures, Infestation reduction