Plant Pathology is the scientific study of plant diseases caused by pathogens (infectious organisms) and environmental conditions (physiological factors). It is that branch of agricultural, botanical or biological sciences which deals with the study of: cause of the disease, Resulting losses and Control of plant diseases. The objectives of the Plant Pathology are the study on: the living entities that cause diseases in plants; the non-living entities and the environmental conditions that cause disorders in plants; the mechanisms by which the disease causing agents produce diseases; the interactions between the disease causing agents and host plant in relation to overall environment; and the method of preventing or management the diseases and reducing the losses/damages caused by diseases.