Fitt, Gary P.

Recently Added

The dynamics of Helicoverpa populations : can we predict ?

Fitt, Gary P., Dillon, Martin L., Gregg, Peter C., Zalucki, Myron P., Murray, , David A.H. (1992-08-11)

Helicoverpa punctigera (Wallengren) and H. armigera (Hubner) have a number of characteristics which make them highly successful pests of numerous crops in Australia, including cotton (Fitt 1989).

Aspects of the biology and ecology of Ichneumon promissorius, a true pupal parasitoid of Helicoverpa spp.

Fitt, Gary P., Mares, Cheryl L. (1992-08-11)

There are, few parasitoids which specifically attack the pupal stage. This is perhaps understandable since pupae are not readily accessible, being in the soil.

Causes of fruit loss from cotton: 1991/92 season.

Fitt, Gary P., Tann, Colin, Richardson, Debbie (1992-08-11)

In the 1991/92 season we started observations in both sprayed and unsprayed plots of different cotton varieties to record the numbers of fruit lost during the season and to identify the causes of shedding.

Development of resistance to insects in Australian cotton varieties.

Fitt, Gary P., Mares, Cheryl L., Wilson, Lewis J., Thomson, Norm J. (1992-08-11)

The reliance of the Australian cotton industry on insecticides for the control of insect pests represents a major economic and environmental concern. In the face of pesticide resistance in H.

A MARK-RECAPTURE STUDY OF HELIOTHIS MOVEMENT FROM A SOURCE CROP IN THE NAMOI VALLEY.

Fitt, Gary P., Pinkerton, , A. (1990-08-08)

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).