The College of Science and the Department of Biology are delighted to inform you that the MSc student:

Mr. Jumaa Tahir Safar

has successfully passed his thesis evaluation exam entitled:

"Effect of Sone Physiologyicl Factors on Xanthan Production by iocally Isolated and Identified Xanthomonsas Campestris Using date Extract"

which was supervised by:

Prof. Dr. Mustafa Mohammmad Haider

on Monday, October 20, 2025, at 9:00 AM

in the College of Science at the University of Duhok

The Evaluation Committee

Prof. Dr. Asia Abdulhamid Mohammed Saadullah

University     : University of Duhok

Position        : Chairman / Member

Asst. Prof. Dr. Ibrahim Muhammed Abdullah

University     : Duhok Polytechnic University

Position        : Member

Asst. Prof. Ibrahim Abdulqadir Naqid

University     : University of Zakho

Position        : Member

Prof. Dr. Mustafa Mohammmad Haider

University     : University of Duhok

Position     : Supervisor / Member