and KOUSALYA GANGADHARAN, C. USHAMALINI, K. RAJAPPAN. “Management of Charcoal Rot of Cowpea Using Biocontrol Agents and Plant Products”. Indian Phytopathology, vol. 50, no. 4, Jan. 2002, pp. 504-7, https://epubs.icar.org.in/index.php/IPPJ/article/view/19903.