Annotation Covering the most important pathogens, this handbook provides clear, concise descriptions of the symptoms and cycles of diseases and disorders, and the pests that commonly prey on potato crops, their distribution and importance, and advice on their control. The text is illustrated with some 235 superb colour photographs of affected crops to aid in the rapid and accurate identification of disease. The Colour Handbook provides a practical reference for professionals and students involved with potato production, handling and storage worldwide.