FIELD EVALUATION OF CERTAIN MATERIALS AGAINST THE MEALYBUG Icerya seychellarum (WESTWOOD) (HOMOPTERA, MARGARODIDAE) ON MULBERRY TREES Morus alba AT GIZA GOVERNORATE.

Document Type : Research articles.

Authors

Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt

Abstract

Three materials namely; the insect growth regulator
(Admiral) 0.5%, the organophosphoate pesticide (Malathion 57% Ec.)
at 0.15% and the mineral oil (Supermox) at 1.5%, were tested for
against the mealy bug, Icerya scychellarum (w) infesting mulberry
trees in Giza. A total of 30 branches, per treatment, were examined per
and post–treatment. The after one, two, three, four, six and eight weeks
of Summer application. Reduction % in different stage of the insect,
proportional to per- treatment counts, were estimated according to
Henderson and Tilton (1955). Data subject to Duncan’s multiple
range test (Duncan 1951) 0.05, 0.01 between treatments and their
efficacy on the different insect stages .

Keywords

Files

Share

How to cite

Statistics