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630*176.1 --- 582.635.1 --- 582.282.19 --- 630*44 --- 595.768.24 --- 595.768.24 Scolytidae. Ipidae --- Scolytidae. Ipidae --- 630*44 Damage by harmful plants. Virus diseases --- Damage by harmful plants. Virus diseases --- 582.282.19 Pyrenomycetineae. Ophiostoma. Cryptodiaporthe. Ceratocystis. Venturia. Leptosphaeria --- Pyrenomycetineae. Ophiostoma. Cryptodiaporthe. Ceratocystis. Venturia. Leptosphaeria --- 582.635.1 Ulmaceae. Elms. Wych-elms (witch-elms) --- Ulmaceae. Elms. Wych-elms (witch-elms) --- 630*176.1 Dicotyledoneae --- Dicotyledoneae --- Environmental Sciences and Forestry. Forestry -- Forest Damage and Protection -- Forest Pests and Diseases --- Pyrenomycetineae. Ophiostoma. Cryptodiaporthe. Ceratocystis. Venturia. Leptosphaeria. --- Ulmaceae. Elms. Wych-elms (witch-elms). --- Scolytidae. Ipidae. --- Dicotyledoneae. --- Damage by harmful plants. Virus diseases. --- ALLW.
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Gives a review of the diseases of the major genera of forest and ornamental trees. The introduction deals with the causes, symptoms and diagnosis of disease, and with control measures which include plant health legislation. Over 100 diseases are illustrated with either photographs or drawings.
Plant diseases. --- Forests and forestry. --- Plant Pathology. --- Forestry. --- Botany --- Communicable diseases in plants --- Crop diseases --- Crops --- Diseases of plants --- Microbial diseases in plants --- Pathological botany --- Pathology, Vegetable --- Phytopathology --- Plant pathology --- Plants --- Vegetable pathology --- Agricultural pests --- Crop losses --- Diseased plants --- Phytopathogenic microorganisms --- Plant pathologists --- Plant quarantine --- Forest land --- Forest lands --- Forest planting --- Forest production --- Forest sciences --- Forestation --- Forested lands --- Forestland --- Forestlands --- Forestry --- Forestry industry --- Forestry sciences --- Land, Forest --- Lands, Forest --- Silviculture --- Sylviculture --- Woodlands --- Woods (Forests) --- Agriculture --- Natural resources --- Afforestation --- Arboriculture --- Logging --- Timber --- Tree crops --- Trees --- Pathology --- Diseases and pests --- Diseases --- Wounds and injuries --- Plant pathology. --- Diseases and pests. --- Tree diseases --- Forest plants --- Ornamental trees --- Wounds and injuries. --- TREES --- MANUALS --- DISEASES
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