SUMMARY We have generated an antibody which is absolutely specific for H. armigera over H. punctigera. Specificity has been demonstrated in a number of ways. For example, the antigenic protein from H.

A survey form asking the cost of weed control, the major weed problems and the herbicides used was sent to fifty two cotton growers from the seven major cotton areas of New South Wales.

This project continued the major study of waterlogging on heavy clay soils after furrow irrigation or heavy rainfall.

This project started in 1981 funded by ACGRA. CRC assumed funding until the project terminated in 1986.

Project aims: (i) to investigate the spatial and temporal patterns of Heliothis adult and larval abundance, mortality and host use by each species and their dispersal from other crops into cotton.