Document Type : Research articles.
Authors
1 Deciduous Fruit Dept. Hort. Res. Instit., Agric. Res. Centre, Giza-Egypt
2 Plant Pathol. Dept. Fac. of Agric., Ain Shams University
3 Plant Pathol. Res. Inst., Agric. Res. Centre, Giza-Egypt
Abstract
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