Phosphorus (P) fertiliser usage in the cotton industry has increased six-fold in the period between 1981 and 2000.

Resistance is an ongoing concern with the management of Helicoverpa armigera in the Australian cotton industry.

The susceptibility to Bt toxins in Australian field populations of Helicoverpa armigera and Helicoverpa punctigera has been monitored at the Australian Cotton Research Institute since 1993 (Forrester and Bird 1996).

Fusarium wilt of cotton has emerged as a major threat to cotton production, since it was first recorded in Australia in 1993.

Revisions to the second edition of the cotton industry's Best Management Practices Manual have been made with an emphasis on improving the useability of the document.