EFFICIENCY OF SOME ACARICIDES AGAINST THE TWO- SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH ON CUCUMBER PLANTS.

Document Type : Original Article

Authors

Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt.

Abstract

During 1992, three experiments were conducted at Giza, Fayoum and Kalyobia governorates. Eight acaricides; Tedifol 24.5% EC, Ethion-T 56%, Neron 50%, Flowable Sulphur, Acargite 57%, Torque 55%, Begas­sus 50%, Kelthane 18.5% WP and the growth regulator Cascade 5% were tested in the field against the two-spotted spider mite, Tetrany­chus urticae Koch infesting cucumber plants. Although all acaricides had managed to reduce mite population in the three experiments, Tedifol 24.5% EC and Kelthane 18.5% WP at their rates of application gave the best results and could be considered as effective in eliminating the build­up of T.urticae population.

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