Broad management of ecosystem through modification in the cultural practices such as crop rotation, soil quality management through the addition of organic amendments constitute the preliminary defence against the attack of diseases followed by use of the curative methods like use of predators, parasitoids, plant products and ecologically safer chemicals forms the next alternatives of defence against the diseases. Apart from conventional fungicides and microbial biocontrol agents, plant products or extracts have been found effective in organic agriculture. A number of strategies including modification of cultural practices including crop rotation, soil health management, use of disease resistant plants, etc. , use of biological control agents, use of botanicals, entomopathogen, antagonists, microbials and organic pesticides and other permissible pesticides can be taken up for effective management of diseases