This major work has but one aim: to provide breeders and researchers from the public and private sectors with all the latest information on the breeding of crops of economic relevance. Also, it serves as a major reference book for post-graduate courses and PhD courses on breeding vegetable crops, as well a one-stop-shop for horticulturists and extension agents interested in current advancements in the development of new vegetable crops varieties. Each chapter incorporates the most up-to-date information on the crops examined, and an important novelty is that, in comparison to other books already published on this subject this one contains the most cutting-edge information on molecular