1999 Final Reports

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Research support of trap Cropping Experiments for the Boggabilla Landcare Group

Dillon, Martin (1999-06-30)

Project Objectives 1. To quantify the effectiveness of trap crops. 2. To quantify the impact of trap crops on egg densities in surrounding cotton. 3.

Role of conventional and novel insecticides in Integrated Pest Management in cotton.

Holloway, J.W. (1999-06-30)

What were the Project Objectives 1) Calibrate thiodicarb laboratory discriminating dose data w ith levels of control of Helicoverpa in the field.

Post Grad - Bronwyn Campbell "Genetics of esterase resistance: consequences for resistance management of pyrethroids"

Campbell, B (1999-06-30)

This study has investigated the role of esterases in conferring pyrethroid resistance in Australian populations of the cotton bollworm, Helicoverpa annigera.

Relationships between populations of selected macroinvertebrates and pesticides in the Namoi River

Leonard, Alex (1999-06-30)

During the 1995/96 and 1997/98 cotton-growing seasons there was an inverse relationship between the population densities of dominant benthic macroinvertebrates and concentrations of endosulfan in the Namoi River.

Understanding the salinty threat in the irrigated cotton-growing areas of Australia

Triantafilis, John (1999-06-30)

3.1 Objectives: 1) develop methods and techniques to assess soil salinity and identify irrigation inefficiencies at the field scale 2) develop inexpensive methods and techniques to estimate groundwater recharge rate o