Plant Breeding is a book that presents both theoretical concepts and practical techniques for the study and application of plant breeding. It aims to provide useful information for students and practicing plant breeders in countries of the Southern hemisphere, as it includes examples that are relevant to their specific agricultural contexts. The topics covered in the book include genetic principles, plant breeding methods for self- and cross-pollinated crops, vegetative propagation, and various types of crops such as vegetables, forage crops, fruit and forest trees. Additionally, the book addresses breeding for disease resistance, quality traits, mutation breeding, and innovative approaches to crop improvement and plant genetic resources. Each topic is written by specialized scientists in the field, ensuring the reliability and accuracy of the information presented.