Bioefficacy of certain chemicals and biopesticides against Helicoverpa armigera (Hubner) on cowpea [Vigna unguiculata (L.)]

Department of Entomology, Naini Agricultural Institute, SHUATS, Prayagraj-211007, Uttar Pradesh, India

^*Correspondence email: guleriapooja80@gmail.com

Online published on 28 November, 2023.