BOT 552: PLANT DISEASE MANAGEMENT

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C. Eradication of the Pathogen– Reducing, removing, eliminating, or destroyinginoculum at the source, either from an area orfrom an individual plant in which it is alreadyestablished.1. Rotation to crops which cannot sustain pathogen2. Treatment of source of inoculum with chemicals,heat, etc. = soil sterilization for potting mix,fumigation3. Eradicant fungicides4. Biological control of plant pathogen
D. Protection of the Plant– Eliminate or reduce the effectiveness of inoculum atthe site of infection by imposing a barrier betweenthe plant and the pathogen.1. Chemical spraying or dusting of foliage2. Seed treatment3. Protectant fungicides
Page 1 and 2: PLANT DISEASE MANAGEMENTMajor Princ
Page 3: Major Principles of Plant Disease M
Page 8 and 9: E. Resistance of Plant to Pathogen-
Page 10 and 11: Disease TriangleHostTotal of all pr
Page 12 and 13: Therefore, disease management princ
Page 14 and 15: Understanding how disease cycles re
Page 16 and 17: DiseaseThis representation of plant
Page 18 and 19: Examples of Monocyclic DiseasesBlac
Page 20 and 21: DiseaseGraphically this type of pop
Page 22 and 23: Many of these pathogens are dissemi
Page 24 and 25: Examples of Polyetic Diseases:Some
Page 26 and 27: Other Concepts Related to Disease C
Page 28 and 29: Propagule NumberGradients in pathog
Page 30 and 31: The percentage of disease and the s
Page 32 and 33: DiseasePurpose of disease managemen
Page 34 and 35: Ways to reduce disease (inoculum) a
Page 36: Management Strategiesa Sanitationb

BOT 552: PLANT DISEASE MANAGEMENT

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