David, P. M. M., Department of Agricultural Entomology, Agricultural College and Research Institute, Killikulam, Vallanad 628 252, Tamil Nadu, India
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Journal of Biological Control Volume 13, Issue 1&2, 1999 - Articles
Insecticidal Toxicity of Commercial Bacillus thuringiensis (Berliner) Products in Combination with Botanicals to Spodoptera litura (Fabricius) and Helicoverpa armigera (Hubner)
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