BOT 552: PLANT DISEASE MANAGEMENT
BOT 552: PLANT DISEASE MANAGEMENT
BOT 552: PLANT DISEASE MANAGEMENT
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Principles of epidemiology indicates that controlmeasures can do this in only two ways.1. They may reduce (or delay) disease at the beginningof the season (x 0 ) or2. They may decrease the rate of disease development(r) during the growing period.
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