Paramasiva, I and War, A R and Krishnayya, P V and Sharma, H C (2016) Aqueous washings of host plant surface influence the growth inhibitory effects of δ-endotoxins of Bacillus thuringiensis against Helicoverpa armigera. Entomologia Experimentalis et Applicata, 161 (2). 01-13. ISSN 00138703