1. Plant Pathology Department, National Research Centre, Dokki, Cairo, Egypt
2. Botany Department, Weed Biology and Control, National Research Centre, Dokki, Cairo, Egypt
3. Nematology Laboratory, Plant Pathology Department, National Research Centre, Dokki, Cairo, Egypt
4. Pest Rearing Department, Central Agricultural Pesticides Laboratory, Agricultural Research Centre, Dokki, Giza, Egypt