What is air borne and water borne diseases?

Air borne diseases. These crop diseases are transmitted by the air, e.g., 'rust of wheat' , "blast of rice" , etc. Air-borne diseases attack all aerial parts of the plants, e.g., leaf, flower, and fruits. Water borne diseases. Pathogens of these crop diseases are transmitted by the water, e.g., "bacterial blight of rice".