This is book 13 in the Crop Production Science in Horticulture series and gives up to date and compact knowledge of the scientific principles underlying the biology and production of the tomato crop. Our understanding of tomatoes has increased and new areas have been developed, such as genetic modification and biological pest control. This book, as others in the Crop Protection Science in Horticulture series, describes the scientific principles underlying the biology and production of the crop. It is worldwide in scope and is written by authors from North America and the Netherlands.