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Research out of the Centre for Crop and Disease Management (CCDM)has indicated that the harvest weed seed control tool (HWSC), narrow windrow burning, also help manage the damaging fungal disease sclerotinia stem rot. Kyran Brooks did his Honours in this research, with supervisors Mike Ashworth (AHRI) and Sarita Bennet (CCDM). The trials found providing temperatures were high enough and reasonably consistent (at least 350°C maintained for 10 seconds), sclerotinia was killed. An important finding was that sparse canola stubble that had not been windrowed was difficult to burn and could not achieve the temperatures required to kill sclerotinia. We also speak with research fellow Dr Chris O’Donnell from the School of Agriculture and Food Sciences at the University of Queensland. He explains how the Australian Ground Spray Calculator works. He'll be going into more detail about this at the 'Cropping and Resistance Forum' which will be held on December 6 in Dalby. You can get tickets here: www.ahri.uwa.edu.au/events If you'd like to receive a copy of the calculator before it's official launch, you can email Chris O'Donnell and request it: [email protected]: bensound.com

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