D.P. THAKUR, S. APPAJI and. 2002. “Effect of Sugars, Growth Regulators and Amino Acids on in Vitro Sporangial Germination of Pearl Millet Downy Mildew”. Indian Phytopathology 47 (4): 386-90. https://epubs.icar.org.in/index.php/IPPJ/article/view/21121.