Disease Surveys. Commercial cotton (Gossypium hirsutum L.) fields in the Mcintyre, Gwydir, Namol and Macquarie valleys of New South Wales were inspected in November and March each season.

This is an on-going project of breeding cottons adapted to Australian growing conditions, diseases and pests and markets.

This project was a transitional one covering only one year to enable the incorporation of all our CRDC breeding projects under one submission (CSP 40C).

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The findings from the research highlight a number of key issues which have already been outlined in my previous reports, however, these are repeated in summary as follows; * First, the results have confirmed the resul

Aposter was displayed by Ms Greenhalgh titled' Diagnosis of Soil structural Conditions', co-authored by David MCKenzie and Donald MacLeod.

OBJECTIVES OF VISIT: * To attend the 1992 Beltwide Cotton Production Research Conferences organised by the National Cotton Council o. America which included the 52nd Cotton Disease Council.

The report indicates that there is a. good potential for cloud seeding in the Copeton Dam region.

This project was a feasibility study undertaken to determine if feeding of Helicoverpa larvae could be inhibited by polyclonal antibodies raised against gut tissues

An Orthman Mk II tracking unit was purchased in October 1991 prior to cotton sowing. The unit was successful in planting CSIRO's Leitch's block using a Kinze planter.

The Australian cotton industry has a long history of independent environmental assessments, demonstrating its commitment to monitoring and improving the industry’s environmental performance.

SUMMARY We have generated an antibody which is absolutely specific for H. armigera over H. punctigera. Specificity has been demonstrated in a number of ways. For example, the antigenic protein from H.

This visit was made to study recent research. The topics of most interest were crop nutrition, mycorrhizae, growth regulators, row spacing and breeding.

The main aim of this trip was to accept an invitation from the British Society of Chemical Industry to deliver a paper at their 'Resistance 91' international symposium.

The initial phase of .the project was devoted to the selection and testing of analytical techniques for assessing total nitrogen and leaching losses, and gaseous losses of nitrogen by ammonia volatilization and denitr

A survey form asking the cost of weed control, the major weed problems and the herbicides used was sent to fifty two cotton growers from the seven major cotton areas of New South Wales.

The objective of this project was to look at economic optimisation within the SIRATAC framework.

I was invited to speak at the conference to give a paper at one of the sessions.

This project was initiated under the name "CS66L - SIRATAC Plus configuration and testing". However, the Siratac Plus project proved a failure and all development was abandoned in 1990.

The first Queensland soil management training workshop was held in July 1991 at Dalby. Funding came from the Cotton Research and Development Corporation and the National Soil Conservation Program.