The lecturer at the College of Pharmacy, Assistant Professor Dr. Labid Abdullah Al-Saad, received thanks and appreciation from the University of Basrah, the University of Mosul and the University of Kufa for his efforts in participating in authoring three chapters of a practical encyclopedia in plant diseases, which contains most of the techniques of work in plant diseases. The encyclopedia was designed to serve Researchers and graduate students, and it is considered as a reference in the practical methods of scientific research, in which most of the research methods needed by the researcher were collected in one book.