The aim of this project is to evaluate annually a large number of cotton breeding lines and cultivars for yield and quality characteristics in Queensland in collaboration with the CSIRO cotton breeding programs at Narrabri. The following trial program provides the milestones for this project. 1. Australian Cotton Cultivar Trials ( 4 irrigated sites - Brookstead on the Darling Downs and Theodore, Biloela and Emerald in central Queensland, plus 2 dryland sites- Dalby on the Darling Downs and Biloela in central Queensland. 2. Short Season Trials on the Darling Downs (1 site - Brookstead) 3. Full Season Trials in central Queensland (2 sites - Biloela, Emerald) 4. Hot Area - Material Trials in central Queensland (1 site - Emerald) 5. lngard Variety Trials (Emerald in central Queensland and Brookstead on the Darling Downs)