BASKARAN RK, VENUGOPAL MS, MAHADEVAN NR. Effect of certain botanicals on biological activity of nuclear polyhedrosis virus of tobacco caterpillar (Spodoptera litura). Indian J Agri Sci. 2013;69(3). Accessed October 28, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/26563