This revision of the Collins Guide to Pests, Diseases And Disorders, first published in 1981, now features completely updated text, the addition of several new pests and diseases that have become important in the last decade, and a full colour plate section with over 600 photographs. This is a practical, highly-illustrated guide to dealing with the pests, diseases and disorders that commonly affect fruit, vegetables, trees and ornamental garden plants and will be of interest to all gardeners, horticulturists, teachers, students and naturalists. The Introduction provides information about garden hygiene and plant care, including an assessment of pesticides and chemicals. Special attention is given to the increasing importance of biological control in gardens. The A-to-Z of Symptoms describes likely causes of problems with leaves, shoots, flowers, fruit and buds, with cross-references to the detailed entries in the main section of the book. Pests are arranged by groups of closely related organisms. Problems such as eelworms, slugs, snails, aphids and birds are all dealt with. Diseases are organised on the basis of symptoms such as rusts, smuts, cankers and rots. Disorders are grouped under the main factors causing them – mechanical, climatic, nutritional etc.
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