VARSHA, H.N. VERMA and. 2002. “Induction of Systemic Resistance by Leaf Extract of Clerodendrum Aculeatum in Sunnhemp Against Sunnhemp Rosette Virus”. Indian Phytopathology 48 (2): 218-21. https://epubs.icar.org.in/index.php/IPPJ/article/view/20728.