wild radish resistance

In an effort to find out which herbicides will work best in 2015, it is recommended weed seeds collected during or after harvest are sent for herbicide resistance (or susceptibility) testing... In the past, testing for resistance has often confirmed suspicions and it is better to focus on which herbicides could be effective this year by testing for susceptibility - according to the GRDC-supported Australian Herbicide Resistance Initiative (AHRI)... CSU's John Broster says there is now little point in testing annual ryegrass for susceptibility to Group A 'FOP' herbicides or Group B herbicides due to the high levels of resistance found in these weeds across most regions of Australia...

Time to test the susceptibility of escapee weed seeds.. In an effort to find out which herbicides will work best in 2015, it is recommended weed seeds collected during or after harvest are sent for herbicide resistance (or susceptibility) testing... In the past, testing for resistance has often confirmed suspicions and it is better to focus on which herbicides could be effective this year by testing for susceptibility - according to the GRDC-supported Australian Herbicide Resistance Initiative (AHRI)...

Western Australian agronomist Grant Thompson has a clear message for southern region grain growers when it comes to wild radish - aim for early control when weeds are small and learn from the mistakes made interstate... WA growers are battling radish that is becoming resistant to multiple herbicide groups... Some radish plants can shield others from contact with spray so a high water rate is required for best plant coverage...