A vision guidance system has been designed, built and commissioned which steers a tractor relative to the rows of a crop such as cotton.

OBJECTIVES 1. To undertake a comprehensive sutvey of the Australian distribution of B. biotype B. tabaci . 2. To sutvey cotton for the presence of B, biotype B. tabaci 3. 4.

In this issue: COAG reforms; INTERIM REPORT: TOWARDS REDUCED FERTILISER LOSS IN IRRIGATED PASTURES

This project had two major aims consistent with the overall goal of controlling Verticillium wilt in cultivated cotton (Gossypium hirsutum).

In this issue: REPAIR OPTIONS FOR CONCRETE-LINED CHANNELS: RIVER POLLUTION WITH AGRICULTURAL CHEMICALS

OBJECTIVES Reason for Travel Dr Denholm is an international authority on the management of resistant Bemisia tabaci on cotton. 1.

The purpose of the tour was to study and experience through participation the development and extension methodologies and practices used in the transfer and adoption of new technology in the American cotton industry b

The comparative advantage1 of cotton production was examined for three production systems in the United States and four production systems within Australia.

A paper was presented at the fourth international Trichogramma and other egg parasitoid conference titled 'Evaluating egg parasitoids for integrated pest management in Australian raingrown cotton.' Highlight

Field experiments at Narrabri in 1993, 1994 and 1995 have utilised overhead sprinklers and, portable rain-out shelters.

Two fields of cotton on two nearby farms in the Macquarie Valley of NSW which had different histories of weed management were studied to determine if weed seeds were being introduced via irrigation water.

This project aimed to continue the steady improvements in developing improved cotton varieties adapted to Australian growing conditions and markets

The aims of the CRDC project CSE 29C were: - to optimise the design of recombinant Helicoverpa viruses with increased insecticidal activity (Activities 1 and 2 of the overall program above), - to develop suitable larg

The aim of this study was to complete the development of a mirid feeding bioassay to facilitate screening and characterization of proteinaceous toxins.

Disease surveys in November and March of each season have been undertaken on a regular basis since 1983.

Project Objective: To provide the basis for improved crop and soil management in dryland cotton production systems by: 1. monitoring on-farm performance of cotton-based dryland cropping systems; 2.

In Australia, management of cotton pests is insecticide based.

A large collection of microorganisms with over 2000 isolates has been established at the Australian Cotton Research Institute for the purpose of identifying potential bio-control agents and developing biological contr

Supplementary funding was provided by the CRDC allowing three personnel ($1750 each, $5,250 total) from the pesticide chemistry group to attend the 8th International Congress on Pesticide Chemistry, held in Washington

A growth disorder of cotton has been observed in irrigated cracking clay soils in fields at Galathera Creek, north of the Australian Cotton Research Institute (ACRI) for several years.