Pests of Landscape Trees and Shrubs : An Integrated Pest Management Guide

Berkeley

1994

327 S.

zahlr. Lit. Ang.

Monographie

1-879906-18-X

13490

90196

This book is for landscape professionals, pest managers, and homeowners interested in woody ornamental plants. Its purpose is to encourage maintenance of healthy landscapes through integrated pest management (IPM). IPM is a strategy to prevent and suppress pest problems with minimum adverse impacts on human health, the environment, and nontarget organisms. IPM requires identification of plants and pests and knowledge of their biology. Selecting an appropriate plant for a location and providing for its basic growth requirements are other critical aspects of landscape IPM. Plants must be inspected regularly to detect any problems. Appropriate actions must be taken to promote beneficial organisms and minimize pest damage. Landscape managers have numerous tools available; the key to their successful use is knowing when and how to apply them. The best approach is an integrated program that includes regular monitoring and relies on a combination of techniques to prevent and control problems. Methods include selecting plants that are well adapted to the environment and resistant to pests, as well as adopting appropriate cultural practices, biological controls, and physical controls. Pesticides are also essential in many integrated pest management programs, but this book generally does not make specific recommendations because availability and appropriate and legas uses of pesticides frequently change. Where pesticides are mentioned, less toxic materials, such as insecticidal soap, narrow-range or horticultural oil, microbials, and botanicals are emphasized because they generally are more compatible with IPM programs. Your local Cooperative Extension office, other experts, or University publications can provide more specific and current information on pesticides. Chapter 2 describes how to develop an IPM program. Landscape design, planting, and cultural care activities that prevent and minimize damage to woody landscape plants are detailed in Chapter 3. Subsequent chapters cover pest identification, biology, monitoring, and management. Pest include insects, mites, and snails and slugs (Chapter 4), plant pathogens (Chapter 5), weeds (Chapter 7), and nematodes (Chapter 8). Abiotic or environment-caused disorders are also discussed in Chapter 6. Vertebrate pests are covered in Wildlife Pest Control Around Gardens and Homes, University of California (UC) Publication 21385. If you are uncertain of the cause of a problem and don't know which chapter to go to for solutions, two tables are provided at the back of the book (Chapter 9) to help with diagnosis. The Problem-Solving Guide briefly summarizes damage symptoms that can occur on many woody landscape plants and directs readers to sections of the book that discuss common causes of these problems. The Tree and Shrub Pest Tables are more extensive and are organized according to host plants. They list the common problems of many woody plants occurring in California landscapes. A list of references, a glossary, and an index are provided at the back of the book.