M.S. CHANDAWAT, B.S. RATHORE* and. 2003. “Influence of Irrigation, Row Orientation and Nitrogen on Downy Mildew of Blond Psyllium”. Indian Phytopathology 56 (4): 453-56. https://epubs.icar.org.in/index.php/IPPJ/article/view/18447.