Helping Farmers in Pakistan and the U.S.

David Marshall, research leader of the USDA-ARS Plant Science Research Unit, Raleigh, NC, examines rust infections in a greenhouse in Muree, Pakistan.

David Marshall, Professor of Plant Pathology at NCSU and research leader of the USDA-ARS Plant Science Research Unit, Raleigh, NC, examines rust infections in a greenhouse in Muree, Pakistan. – See more