Pests, Diseases and Disorders of Garden Plants: 4th EditionEssential for all gardeners, horticulturists and naturalists, this is a practical, highly illustrated guide to dealing with disorders that affect fruit, vegetables, trees and ornamental garden plants. A revision of the highly acclaimed Collins Guide to Pests, Diseases and Disorders first published in 1981, the book now features completely updated text, the addition of several new pests and diseases that have become a threat in the last decade, and an