Mehrvar, A., Rabindra, R.J., Veenakumari, K. and Narabenchi, G.B. 2007. Effect of Natural Sunlight on the Activity of Different Geographic Isolates of Nucleopolyhedrovirus of <I>Helicoverpa armigera</I> (Hubner). Journal of Biological Control. 21, 2 (Mar. 2007), 235–239. DOI:https://doi.org/10.18311/jbc/2007/3854.