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Teaching and learning materials on Education for Rural People

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AN ILLUSTRATED GUIDE TO THE STATE OF HEALTH OF TREES. RECOGNITION AND INTERPRETATION OF SYMPTOMS AND DAMAGE        
subjects:  Trees and Forests              
levels and types of education: Higher education, Life long learning, Tertiary education     Non-formal education         
BOA ERIC
FAO AND DIAGNOSTIC AND ADVISORY SERVICE CABI BIOSCIENCE, ROME, 2003
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English
This guide helps readers to recognize symptoms of ill health, to distinguish these from normal events that signal a temporary decline, and to improve their skills in making the vital preliminary diagnosis. 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. The guide aims to help people make visual assessments of tree problems and to provide a preliminary diagnosis.
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Contact: Forestry Department
FAO
Rome,Italy
Viale delle Terme di Caracalla, 00153
nora.berrahmouni@fao.org
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  | mailto:ERP@fao.org FAO, 2007