To help understand the underlying basis of the resistance to pirimicarb, and hence improve the chance of effective management, Dr Robin Gunning and Dr Graham Moores (Rothamstead, UK) did a preliminary screen on resist

The performance of CSIRO varieties and new lines are evaluated each year in a series of regional trials, known as the Australian Cotton Cultivar Trial (ACCT).

Previous research at Narrabri Agricultural Research Station and elsewhere has shown that mite populations increase more slowly on okra leaf cotton genotypes than on normal leaf genotypes (Bailey et al., 1978; Thomson,

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.

Four cotton breeding programs have been operating in Australia, three i n New South Wales and one in Queensland .