Each furrow irrigation waterlogs most of the root zone of cotton in cracking clay soils. This deprives the roots of oxygen, they take up less water and nutrients. and this reduces growth and yield.

Traps baited with sex attractants ( 1 pheromone 1 traps) are presently being used by a number of farmers in Central Queensland to monitor P. scutigera populations and for timing insecticide sprays.

In 1985 one of the main questions asked by growers was "How does Deltapine 90 and Siokra compare with Deltapine 61?". Now in 1986, the questions is "How does Deltapine 90 compare with Siokra?".

Answers to the questions : How do I find and use probes for scheduling irrigations? Are they used as the only scheduling tool? How do we use our water most effectively?

Experiments were conducted to determine whether on cotton, Rutherglen Bug and Grey Cluster Bug were able to survive, develop and reproduce. Their ability to damage cotton was also assessed.