Fig. 3From: Need for growing non-Bt cotton refugia to overcome Bt resistance problem in targeted larvae of the cotton bollworms, Helicoverpa armigera and Pectinophora gossypiellaa Mortality percentage of Helicoverpa armigera by feeding bolls of different cultivars after 90 days of infestation. b Scatter diagram indicating Cry1Ac concentrations inducing larval mortality of Helicoverpa armigeraBack to article page