The role of fungicides in plant disease management has been described in this comprehensive book. It includes the varied approaches of fungicide applications and its results. It describes the functioning of Integrated Plant Disease Management on a vast group of crops, grown around the world, like wheat production in Argentina and the U.S., corn, cotton and eucalyptus yield in Brazil, rice production in India, peanut in the Southern parts of U.S. and pine seedlings in Serbia. It also deals with the idea of using natural products as fungicides. And finally, it describes fungicide resistance and hormesis; topics which are very important in implementing plant disease management practices in the matter of fungicide-fungus interaction.