At the time of the initiation of the H.armigera resistance management strategy, there was a need to demonstrate that any increase in resistance was limited to crops sprayed with pyrethroids.

This paper address why there are differences in the soils of the lower Namoi Valley.

My objective has been to construct life tables describing Heliothis egg and larval survival on the major crops of the Darling Downs over several seasons.

Four cotton breeding programs have been operating in Australia, three i n New South Wales and one in Queensland .

All insecticide management decisions require a solid platform of reliable data and this can only be achieved by a long term committment to pesticide studies, obtaining baseline susceptibility data and monitoring of ch