The objective of this project was to provide enhancements to a partially established network of Apple Macintosh microcomputers and central VAX. microcomputers.

Australian Insecticide resistance mangement Strategy

The project DAN 33L involved studies of insecticide resistance in the major cotton pests Helicoverpa armigera and Helicovera. punctigera.

The use of pyrethroid insecticides on Helicoverpa armigera susceptible crops has been restricted to only 6 weeks each summer since 1983, when resistance to pyrethroids was diagnosed.

Summary of Key Results 1 Most promising techniques for use by advisory staff in the field are penetrometers and root morphological characteristics. 2 Soil smearing may not have significant effects on plant growth.

Field work was conducted over the 1988/89 and 1989/90 cotton growing seasons in the Central Highlands of Queensland. Pheromone dispensers, specially formulated for P.

To provide adequate access to computing facilities for SIRATAC, Trichogramma and Heliothis Ecology/Modelling projects at the Toowoomba Laboratory

This project was concerned with providing fibre quality data on research, especially breeding, samples. It was run by the Division of Textile Industry at Geelong, Victoria.

The aim of the project was to test the feasibility of using DNA probes to enumerate microorganisms involved in the degradation .of herbicides in soil.

This project continued the major study of waterlogging on heavy clay soils after furrow irrigation or heavy rainfall.

The number of methods of marketing open to Australian cotton growers has increased in recent years, providing growers with an opportunity to better manage financial risk.

.

The main aim of this trip was to report to the international scientific community on the progress of the Insecticide Resistance Management St(ategy that has been implemented in Australia to contain pyrethroid and endo

Summary of results: A 30hp Kubota tractor fitted with an air conditioned safety cab was purchased from the government contract supplier in Sydney.

Aims: The aim of the project was to develop naturally occurring plant pathogens a s mycoherbicide biological control agents for Xanthium spp., Noogoora and Bathurst burrs.

This project utilises information from Emerald and other irrigation districts in the State to develop a scheduling system, WATERSCHED, as part of a Cotton Management Decision Program. OBJECTIVES 1.

The objective of this project was to evaluate preliminary and advanced breeding selections from the Narrabri and Biloela programs at up to five locations in Queensland.

ABSTRACT: When searchinq for an ideal mass screening technique for cotton plant antibiotic resistance to Helicoverpa spp., a 48 hour feeding on squares using final instar larvae bioassay was found to be the most suita

Summary of results: This project was needed to assess the N fertiliser requirements of cotton under new tillage systems currently being adopted, particularly since the structure of cracking clay soils is prone to degr

AIMS 1. To determine the mechanical and physical consequences of land preparation and harvesting on the soils and to relate these effects to soil water content. 2.