It is well-recognised that the pest status of Helicoverpa spp.

Enhancing the Efficiency of Bt Refuge Crops within a Changing Cotton Environment

Transgenic (Bt) cotton has provided major benefits for the Australia cotton industry (e.g. control of Helicoverpa and reduced pesticide use), but the possibility of Bt resistance in these insects is a major threat.

The overall aim of our work in this project was to develop optimum strategies for refuge crop management. In particular, the project aimed to : 1).

As there was a considerable contingent of Australian delegates to this conference, this report will focus on the past harvest sessions with a particular emphasis on fibre quality and ginning.