South East Queensland farmer Engelbert Krampl first encountered glyphosate resistant barnyard grass in his cropping system in the summer of 2008-09.

) used to support pesticide management decisions at the catchment-scale can deliver environmental protection while retaining farm production benefits.

A 4 month scientific exchange to the University of Guelph in Canada; and

DuPont and Waterborne Environmental Inc. in the USA enabled work with

Chemical Farming implies the use of chemicals for the control of insects, weeds and diseases.

From before the first seed is planted, everything that 1s done, 1.e. selection of seed variety, to all cultural practices and 1nsect control must have one aim and that is earliness.