The present book spread over sixty-seven chapters written by eminent researchers working on integrating canopy, rootstock and environmental physiology in orchard systems. This book cover all aspects of root and scion interactions, tree canopy management, orchard design, ecophysiology of orchard, genetics of rootstocks and cultivars nutrition, cropping and crop load control, irrigation, tree physiology and modelling.\nThis publication would serve as valuable book for students, teachers and researchers of horticulture, fruit science and biotechnology.