Tree disease concepts

Introduction to tree disease concepts abiotic agents of tree diseases soil conditions affecting tree health winter damage to trees tree diseases caused by air pollution biotic agents of tree diseases nematodes as plant parasites and agents of tree diseases viruses as agents of tree diseases bacteria as agents of tree diseases introduction to fungi fungi as symbionts of tree roots - mycorrhizae fungi as agents of tree diseases - foliage diseases, rust diseases, canker diseases, vascular wilt diseases, wood decay, root diseases parasitic flowering plants as agents of tree diseases decline diseases of complex biotic and abiotic origin overview aspects of tree diseases plant disease epidemics disease control through genetic resistance diseases of seedlings in the nursery pathological consideration of urban tree management pathological considerations of intensively managed forest plantations.