Nathan R. WalkerDr Walker is a Professor, Turfgrass Integrated Pest Management/Turfgrass Pathology at Oklahoma State University (Stillwater, Oklahoma, USA). Dr Walker obtained his Bachelor's degree in Environmental Planning (1993) from Bloomsburg University (Pennsylania), his Master's degree in Plant Pathology (1996) from Clemson University (South Carolina) and his Doctorate in Plant Science (1999) from the University of Arkansas (Arkansas USA). Dr Walker joined the Department of Entomology and Plant Pathology at Oklahoma State University in 1999. Key professional responsibilities are Turfgrass IPM/Turfgrass Pathology and his appointment is 78% research, 13% teaching (undergraduate Turfgrass IPM, Graduate IPM, Pesticide Applications and Plant Nematology), and 9% Extension. Among his memberships are The International Turfgrass Society (ITS), European Turfgrass Society (ETS) and the Oklahoma Turfgrass Research Foundation. He is currently the Editor of International turfgrass, the newsletter of The International Turfgrass Society. Dr Walker's research specialization is the identification, biology and integrated management of soil- borne pathogens and diseases of turfgrasses in the United States and elsewhere. Dr Walker has written a book chapter, numerous peer-reviewed papers and non-peered extension articles regarding turfgrass diseases and their ecology and management. He is also the Director of the OSU Turfgrass Disease Diagnostic Laboratory. Read More Read Less