Efficacy of bio and synthetic pesticides against the American bollworm and their natural enemies on cotton Article Sidebar PDF Published: Mar 1, 2016 Keywords: Cotton Helicoverpa amigera Main Article Content D Gayi National Semi-Arid Resources Research Institute (NaSARRI), Uganda D. Ocen National Semi-Arid Resources Research Institute (NaSARRI), Uganda G. Lubadde National Semi-Arid Resources Research Institute (NaSARRI), Uganda