Materials and Methods
Experimental design
The experiments were installed within the period of April to July (2013) and were carried out in two steps, under semi-field and laboratory conditions at the Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University Egypt. Under semi field conditions, one types of nano-silica was tested, namely hydrophilic nano-silica, which applied in six doses 100, 150, 200, 250, 300, 350 ppm. This product was obtained from Nano Tech. Egypt
Materials and Methods Experimental design The experiments were installed within the period of April to July (2013) and were carried out in two steps, under semi-field and laboratory conditions at the Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University Egypt. Under semi field conditions, one types of nano-silica was tested, namely hydrophilic nano-silica, which applied in six doses 100, 150, 200, 250, 300, 350 ppm. This product was obtained from Nano Tech. Egypt
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