Genetic improvement of vegetable crops has played a vital role in enhancing the quality and yield potential of vegetable crops. There are numerous vegetable crops grown worldwide and variable degrees of research on genetics, breeding and biotechnology have been conducted by various research institutes. This book comprises various chapters and each chapter concentrate on one crop and covers origin, evolution, cytology, genetics, breeding objectives, germplasm resources/ centers, reproductive biology, breeding methods including biotecnology, species or varieties resistance to biotic and abiotic factors and list of varieties released by various institutes . This book will be very useful for BSc, MSc & PhD students.