To better understand the new Research and Development Corporation I feel it would be appropriate to review cotton research historical I y, as background lo the soon to be created corporation.

The title of this discussion has a rather ominous ring to it as far as I am concerned.

Ecological genetics is the study of genetic changes and how these are influenced by the biological parameters of a species.

The aim of the Heliothis identification project is to develop a simple kit that can be used by field workers to distinguish quickly and reliably between individual eggs and small larvae of Heliothis armigera and H.

Over the last two growing seasons, sampling studies have been conducted to compare the distribution and abundance of Heliothis on different cotton varieties and to test the validity of the SIRA TAC equations which exp

The potential for extensive adult movements is one of the key factors contributing to the success of Heliothis spp. as pests (Farrow & Daly 1987, Fitt 1989).

Information about the frequency and intensity of immigration and emigration movements is essential for forecasting Heliothis infestation levels in crops, and thus for developing more efficient strategies for managing

The last year has seen a growing public concern over the use of chemical pesticides for the control of insect pests in cotton at a time when the Cotton Industry itself is still facing the real risk that these chemical

The pattern of flight activity within or between habitats or crops is dependent upon the distribution of those habitats/crops in both space and time.

As cotton is naturally sensitive to a range of herbicides used for the control of broadleaf weeds, post-emergence suppression of such weeds is limited to relatively inefficient lay-by herbicides and mechanical means i

Heliothis spp. are clearly the major pests of Australian cotton and consequently there has been considerable research on their biology, ecology and control (Zalucki et al 1986).

Plants encounter many environmental stresses such as droughts, flooding, extreme temperatures and high salt concentrations just to name a few.

Agenda Fifth Australian Cotton Conference ,Hotel Conrad and Jupiters Casino,Broadbeach, Gold Coast, Queensland

An important question is the area of origin of these spring immigrants. Over the last 3 years, we have been investigating the ecology of Heliothis spp. in inland Australia (Gregg et al. 1987, 1989).

Okay, so what should I talk about?

When it comes to varieties 1 don't believe that the growers needs will ever be totally met, we are always looking for improvement in varieties to satisfy, not only the ever tightening cost-return squeeze, but we

Heliothis spp.

Again, as for previous conferences, we are providing an update of the ACCT results over the last two seasons. In both seasons 30 entries were tested at each of 12 sites (Warren, Breeza.

The purpose of our four-year study on the Darling Downs was 1) to investigate the population dynamics of heliothis and to quantify the significance of the major controlling influences (parasites, predators, pathogens,