Guidance from the experts in the Identification, treatment, and prevention of plant pests, diseases, and disorders. Whether you need to identify a pest, want to know how to prevent plant problems, or are looking for alternatives to pesticides, you will find the answers in AHS Pests & Diseases. How do you know if an insect is beneficial or destructive? AHS Pests & Diseases identifies valuable insects and pest predators as well as the troublemakers. Can you identify a problem if you don't know the name of a plant? The illustrated catalog of plant problems is grouped according to whether leaves, stems, flowers, roots, or fruits are attacked. Simply compare the photographs with the affected part of your plant to find out what is wrong. Is a particular plant susceptible to disease? The A-Z, plant-by-plant listing tells you which particular ailments individual plants are most likely to suffer from. Are pesticides always necessary? Many common problems can be controlled by good gardening practice and simple preventive measures. AHS Pests and Diseases provides authoritative advice on pesticide-free solutions wherever appropriate. AHS Pests & Diseases is the practical handbook gardeners have been waiting for.American Horticultural Society Staff is the author of 'American Horticultural Society Pests & Diseases', published 2000 under ISBN 9780789450746 and ISBN 0789450747.