The present compilation is enriched with eighty three chapters contributed by the authorities in their respective fields. The topics are diverse and cover a wide range of crops and application of plant breeding in horticulture. Efforts have been made to incorporate information on breeding programmes, Pest and disease resistance breeding, tools for breeding genomics, gene expression and markers, germplasm enhancement /new Crops. \nThis book will be of immense use to researchers, teachers, students, plant breeders and horticulturists who concerned with the breeding of horticultural crops.'