Synopsis This encyclopaedia is the perfect guide for those studying plant physiology, either at university level or anyone interested in plant physiology, such as pathologists. It provides a comprehensive coverage of plant physiology. The aim of this encyclopaedia is to provide teachers, students and laymen interested in plant physiology with clear, concise, and correct definitions and descriptions of the plant physiology terms, throughout. In this volume all the branches of plant physiology are represented. This volume covers whole realm of plant physiology and includes various topics such as activities in cells, tissues, and organs, processes such as contractility of muscle tissue, coordination through the nervous system, feeding, digestion, excretion, respiration, etc.