Mr. Abdul Majid Salah Ahmed, postgraduate student at the Plant Protection   Department, will hold a seminar on   “Species composition of phytophagous and predatory mites associated with citrus orchards in Assiut Governorate  "   Under supervision of: 1-   Prof .Taha Yusef Helal 2-   Prof. El-Sayed Ali Mohamed El-Iraqi 3-   Prof. Saber Fahim Mahmoud Mousa 4-   Dr. Mohamed Waled Negm   Would be discussed on Thursday 20/4/2017 at 9.00 o’clock in Department Hall