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FAO.SB761.B63 2003
Copies In: 1
Copies Owned: 1
Book Book
TITLE: An illustrated guide to the state of health of trees : recognition and interpretation of symptoms and damage / Eric Boa.
AUTHOR: Boa, E. R.
PUBLISHED: Rome : Food and Agriculture Organization of the United Nations, c2003.
DESCRIPTION: vi, 49 p. : col. ill. ; 30 cm.
NOTES: "TC/M/Y5041/E/1/10/03/2000"--P. [4] of cover.
NOTES: Includes bibliographical references.
NOTES: Insect pests and diseases routinely affect the health of trees, and major outbreaks can have catastrophic environmental and economic impacts. The effective management of all tree health problems depends on their early detection. This guide provides 140 photographs of symptoms from more than 50 tree species to be used as a basis for demonstrating the effects of pest (biotic) and non-living (abiotic) influences on trees. It is not an identification guide to insects pests and diseases of trees, but aims to help people make visual assessments of tree health problems and to provide a preliminary diagnosis which will in turn assist in better planning and more effective management of forests and trees.
SUBJECT: Trees--Diseases and pests.
ADDED ENTRY: Food and Agriculture Organization of the United Nations.

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