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Journal of Agricultural Science
Vol. 1 (5), 2015, Pages: 028-032

Field evaluation of some insecticides against Insulaspis pallidula and Icerya seychellarum on mango trees at Qena Governorate, Egypt

Bakry, M.M.S, M.S. Fouad, S.F.M. Moussa and F.F. Ahmed

Scale Insects and Mealybugs Research Depsrtment, Plant Protection Research Institute, A.R.C, Dokii, Giza, Egypt.

Abstract

The evaluation of synthetic insecticides, biopesticides and two concentrations of mineral oils to control the Maskell scale insect, Insulaspis pallidula (Green) and mealybug, Icerya seychellarum (Westwood) on mango trees was conducted at Esna district, Qena Governorate, Egypt. Admiral was the most effective treatment against I. pallidula, followed by Challenger, Biover, Bioranza, Chemi oil 2% and Chemi oil 1%. Bioranza and Biover were highly effective treatments against I. seychellarum, followed by Challenger, Admiral, Chemi oil 2% and Chemi oil 1%. The mineral oil was the least effective in controlling either of the two pest species and doubling the concentration of mineral oil did not significantly enhance its performance. The synthetic insecticides (Admiral and Challenger) and the biopesticides (Bioranza and Biover) were effective in controlling the scale insects. The greatest effectiveness of these products was observed four weeks after application.

Keywords: Scale insect, mealybug, control, mango trees.

 
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