HARDIP SINGH, HARNAM SINGH and. 2002. “Sclerotia of Sclerotinia Trifoliorum on Seed As Source of Primary Infection of Stem Rot of Berseem”. Indian Phytopathology 46 (1): 93-94. https://epubs.icar.org.in/index.php/IPPJ/article/view/21420.