The book is a compilation of class lectures by the author for post -graduate students with required information on diseases of field and medicinal crops. The descriptions are brief, informative with reference to recent work in India. Mistakes and omissions are expected to be found in the text. Hence teachers and students are requested to put forth their valuable comments and necessary suggestions for further improvements of the book.

Dr (Mrs)Gayatri Biswal (1965) passed B. Sc (Ag), M.Sc (Ag) and Ph.D degree from Odisha University of Agriculture and Technology, Bhubaneswar, Odisha. Awarded Gold Medal in M. Sc (Ag) in Plant Patholgy. She has published 100 research papers in international and national journals, eight book chapters. She has guided one Ph.D student, 15 PG students in Plant Pathology and 20 MBA students in Agri Busisness Management. She is co-guide of three Ph.D students of Nematology and also 25 PG students of Entomology and Nematology of Odisha University of Agriculture and Technology, Bhubaneswar. She is the life member of seven professional societies. She is Fellow of Indian Phytopathological Society (2018), Fellow of Hind Agri-Horticultural Society (2018), Fellow of Applied Zoological Research Association (2022)

1. Diseases of Cereals.: Rice, Maize, Bajara, Barley, Wheat, Sorghum,Oat 2.  Diseases of Millets:,Finger millet,Barn yard millet or sawan, Common millet 3.  Diseases of Pulses: Green gram and Black gram, Pegionpea, Chickpea, Cowpea, Pea, Horsegram,Soyabean 4.  Diseases of Oil Seed Crops: Groundnut, Sesamum, Saff lower, Mustard Niger, Linseed Castor 5.  Diseasesof Fibre Crops: Jute, Mesta., 6.  Diseases of Sugar Crops Sugarcane 7.  Diseases of Medicinal Crops: Menthae, Aswagandha, Aloevera, Liquo rice, Palma rosa., Rawolfia,Sacred Basil, Beerseem,Red clover, Plantago