Disease Management Recommendations for Trees and Shrubs
Minnesota Extension Service, University of Minnesota, 1995 - Phytopathogenic microorganisms - 16 pages
Diagnosis of plant problems can be a difficult and at times impossible task. The goal is a correct diagnosis so that management procedures can be implemented successfully. This guide is designed to provide a description of disease symptoms for disease identification as well as some brief information on disease management. References listed will provide more detailed diagnostic and management information. Also covers proper plant placement, management in the landscape and pesticide use.
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air circulation alternate host Anthracnose areas Avoid overhead Avoid planting Avoid wounds B=Bacteria V=Virus P=Phytoplasma(MLOs Bacterial Banrot bark Benomyl Bordeaux branch dieback branches and trunk brown spots canes cankers cankers develop Captan CHEMlCAL chlorothalonil chlorotic copper sulfate cultivars dark brown dead defoliation destroy fallen leaves destroy infected branches Discolored disease Dodine dormant F Small F White powdery F=Fungi B=Bacteria V=Virus fall fenarimol Ferbam Fireblight Fixed coppers foliage fruiting bodies fungicides fungus gall rust Growing season Gymnosporangium infect the alternate juniper landscape Leaf spot leaf surface lesions limbs lime sulfur lncrease lnfection mancozeb Maneb margins metalaxyl myclobutanil Needles turn NURSERY Oak Wilt orange Pesticides plant health poplar Powdery mildew Promote tree vigor propiconazole Prune Pseudomonas syringae Remove and destroy Remove infected scorch Seldom necessary spores spott spray spring susceptible symptoms thiophanate thiophanate-methyl triadimefon triforine twigs Verticillium dahliae Verticillium wilt Wettable sulfur yellow Yellowlorange Ziram zyban