An illustrated guide to the state of health of trees. Recognition and interpretation of symptoms and damage

Insect pests and diseases routinely affect the health of trees, and major outbreaks can give catastrophic environmental and economic impacts. The effective management of all tree health problems depends on their early detection. This guide will help readers recognize symptoms of ill health in trees and understand their general significance. The guide provides 140 photographs of symptoms from more than 50 tree species to be used as a basis for demonstating the effects of pest (biotic) and non-living (abiotic) influences on trees. It is not an identification guide to insect pests and diseases of trees, but aims to help people make visual assessments of tree health problems and to provide a preliminary diagnosis which in turn will assist in better planning and more effective management of forests and trees. The guide will be useful to anyone interested in tree health or responsible for managing trees.

Bibliographic Details

Main Authors:	Boa, E. 173907, FAO, Rome (Italy). Forest Resources Div. eng 186735
Format:	Texto biblioteca
Language:
Published:	Rome (Italy) FAO 2003
Subjects:	TREES, FOREST HEALTH, PLANT CONDITION, PLANT DISEASES, PLANT PATHOLOGY, PESTS OF PLANTS, HOSTS, SPECIES, SYMPTOMS, DIAGNOSIS, HOTE, ESPECE, SYMPTOME, DIAGNOSTIC, ARBRE, SANTE DES FORETS, ETAT DE LA PLANTE, MALADIE DES PLANTES, PATHOLOGIE VEGETALE, RAVAGEUR DES PLANTES, HUESPEDES, ESPECIES, SINTOMAS, DIAGNOSTICO, ARBOLES, SANIDAD DE LOS BOSQUES, CONDICION DE LA PLANTA, ENFERMEDADES DE LAS PLANTAS, FITOPATOLOGIA, PLAGAS DE PLANTAS,
Online Access:	http://www.fao.org/docrep/007/y5041e/y5041e00.htm
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