This field guide presents information on common pests, diseases and nutritional disorders of sweetpotato. It is intended primarily as a tool for correct identification of these problems and ailments, as an essential first step in their control.

The principal entries in this guide are accompanied by photographs or illustrations, and pinpoint where specific problems occur. Additional information is provided on symptoms and recommended control practices, with emphasis on integrated crop management.

The purpose of this field guide is to aid researchers, and extensionists throughout the world in the identification of common pests, diseases and nutritional disorders of sweetpotato (Ipomoea batatas). This guide is based on the authors’ experience with the crop in various regions of the world since 1990.