M. Jayanthi received her Ph.D (Seed Science and Technology) from Tamil Nadu Agricultural University, Coimbatore. She has published 15 research paper and 5 book chapters. She also attended International Training conducted by International Seed Testing Association at Zurich, Switzerland. Now, she is working as Senior Research Fellow at Tamil Nadu Agricultural University, Coimbatore.S. Sumathi, completed her M.Sc.(Ag), Ph.D. in Seed Science and Technology from Tamil Nadu Agricultural University, Coimbatore, India. At present she is working as a Research Associate at the same university. She has published 15 research papers in national and international journals and authored 10 book chapters.B. Venudevan received his Ph.D (Seed Science and Technology) from TNAU, Coimbatore. He is a Recipient of the UGC fellowship for Ph.D thesis work. Published 12 research papers authored 3 books and 11 book chapters. Specialized in medicinal plant seed production. Presently working as Assistant Professor (SST), Department of Plant Breeding and Genetics, TNAU, Killikulam.