Black root rot, caused by a soilborne fungus, was first observed in Australian cotton in 1989. The disease has developed rapidly since then and now occurs in most of the cotton production area in NSW and Queensland.

The aims of the project were: (1) Use composted cotton gin trash and pelletised cotton gin trash to

monitor soil response and soil nutrition benefits; (2) Establish experimental woodlots of

H.

Profenofos resistance is due to esterase mediated metabolism. Preliminary research suggests that an insensitive acetylcholinesterase is also involved.

The expansion of the insectary facilities will enable the reseach infrastructure capacity of ACRI to meet the increasing demands of the Industry for entomology research.