1993 Final Reports

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Assessment of genetic differentiation among Australian populations of Helicoverpa

Hoffman, A.A., McKechnie, S.W. (1993-12-31)

This project examined genetic variation in Helicoverpa populations using variation in mitochondrial DNA (mtDNA) and variation in quantitative traits, and was supported by ARC as well as CRDC.

St George Heliothis monitoring program

McCollum, D (1993-08-30)

This project was initiated in 1991, following concern expressed by local cotton growers about suspected high insecticide resistance at St George.

Development of resistance to insects in Australian cotton varieties

Fitt, Gary (1993-06-30)

Aims: (i) To evaluate the pest resistance of cotton cultivars bearing different combinations of morphological and allelochemical resistance factors in field experiments.

Development of a ground vehicle for use an alternative to aerial spraying of cotton/ Self Propelled High Clearance Cotton Sprayer

Steggall, R (1993-06-30)

A self propelled high powered; high clearance insecticide sprayer is now available to cotton growers. As with all products development continues.

Population dynamics and migration of Heliothis spp in inland Australia: Towards the development of an early warning system (forecasting) of Heliothis migration into Eastern Australia

Gregg, P. (1993-06-30)

A workshop convened by the Cooperative Research Centre for Tropical Pest Management at Narrabri on 7-8 December 1992 examined the feasibility, benefits, and funding implications of providing an operational forecasting