Govind Singh Saharan (Author) Dr. Govind Singh Saharan is former Professor and Head, Department of Plant Pathology, CCS Haryana Agricultural University, Hisar, India. Dr Saharan has conducted research in diverse fields of plant pathology and has published 250 journal articles. He has edited and written several books and chapters and contributed to the Crop Production Compendium (CABI).Naresh Kumar Mehta (Author) Dr. Naresh Kumar Mehta is former Associate Dean, Professor, and Consultant Faculty, Department of Plant Pathology, CCS Haryana Agricultural University, Hisar, India. He has taught plant pathology to both undergraduate and postgraduate students and conducted research in diverse fields of plant pathology especially on rapeseed-mustard crops. He has published approximately 200 research articles and contributed several books, chapters, review articles, and teaching manuals.Prabhu Dayal Meena (Author) Dr. Prabhu Dayal Meena is Principal Scientist (Plant Pathology) at ICAR-Indian Institute of Rapeseed Mustard Research. He has conducted research on different aspects of rapeseed-mustard diseases, including host resistance, management, epidemiology, biology of crucifer's pathogens and also reported three new pathogens of rapeseed-mustard. He has been associated in the development of six high yielding varieties and registered seven traits of specific genotypes of rapeseed-mustard. He has published over 120 research papers, reviews, book chapters and several books.