Bird, LyndaAkhurst, Raymond2015-12-130022-0493http://hdl.handle.net/1885/82182The performance of Helicoverpa armigera (Hübner) on 15-wk-old cotton plants was compared for a susceptible strain, a near-isogenic laboratory-selected strain, and F1 progeny of the two strains. Glasshouse experiments were conducted to test the three inseKeywords: bacterial protein; bacterial toxin; endotoxin; hemolysin; insecticidal crystal protein, Bacillus Thuringiensis; animal; article; chemistry; comparative study; cotton; cross breeding; feeding behavior; female; genetics; insect; insecticide resistance; larv Bacillus thuringiensis; Fitness; Helicoverpa armigera; Resistance; Transgenic cotton20052015-12-11