The Ph.D. Thesis submitted by Mrs. Najla Mohammed Sayed, Plant Pathology Department, entitled:   "Studies on induced systemic resistance against pseudomonas syingae sp. Tomato the causative agent of tomato speck disease  "   Under supervision of: 1.    Prof. Mohamed Atef Ahmed Mohamed Sallam 2.    Dr. Mohamed Atala El-Sayed Hassan 3.    Dr. Eman Saleh Hassan Faraj   Would be discussed on Monday 3/4/2017 at 10.00 o’clock in Department Hall