S. Parthasarathy; Assistant Professor (Plant Pathology), Amrita School of Agricultural Sciences, Amrita Vishwa Vidyapeetham, Coimbatore, India P. Lakshmidevi; Teaching Assistant (Plant Pathology), Institute of Agriculture, Kumulur, Tamil Nadu Agricultural University, Coimbatore, India V.K. Satya; Assistant Professor (Plant Pathology), Agricultural Engineering College & Research Institute, Kumulur, Tamil Nadu Agricultural University, Coimbatore, India C. Gopalakrishnan; Professor (Plant Pathology), Department of Plant Pathology, Centre for Plant Protection Studies, Tamil Nadu Agricultural University, Coimbatore, India