Welcome to the WeedSmart Podcast Portal!
Cropping and Resistance Forum Overview
In our last podcast for the year, we present an overview of the recent Cropping and Resistance ‘Riders of the Storm’ Forum which was supported by GRDC and hosted by AHRI and CCDM. There was a great turnout for the 3rd GRDC Crop Protection Forum which was held at Bunya Campus in December. For the past two decades, agronomic practices have dramatically improved the profitability of farming systems, however, there is a steady increase in weeds, disease and pests that threaten crop productivity. The Australian Herbicide Resistance Initiative (AHRI) partnered with the Centre for Crop & Disease Management (CCDM) to deliver key messages from their latest research. Senior researchers from AHRI, CCDM, University of Queensland, NSWDPI and more will gave their insights into how to control weeds, pests and disease, whilst also providing practical recommendations to maintain the efficacy of current practices. In this podcast, we hear from Northern Grower Alliance CEO Richard Daniel about managing wild oats in the North and Dr Lee Hickey about his work in developing new crop varieties using old genetics. Lee talks about Vavilov wheats, speed breeding and a root gene! We also get an insight into what agronomist Tony Lockrey from Moree, Queensland thought of the event, as well as event organiser Paul McIntosh. Dr Lee Hickey is working on a number of projects, including ‘speed breeding’. Music: bensound.com
Summer fallow management and herbicide resistance in California
This time of year, Summer fallow management is on the radar to ensure weeds are kept at bay and don’t rob soil moisture and nitrogen from next year’s crops. Ag Grow Director and Agronomist, Barry Haskins goes over some tips for getting summer fallow management right. Podcast co-host Peter Newman also discusses the importance of considering spray drift and how to avoid it. Later on, we hear from Brad Hanson who is a researcher at UC Davis in California. Brad talks about the challenges with resistance in orchards and vineyards in California with podcast host Jessica Strauss. The perennial crop industry in California is a diverse and high-value crop sector that is highly dependent on a relatively small set of herbicides. The challenges with glyphosate-resistant weeds in this crop sector differ considerably from those in broadacre crops and so do the opportunities. Brad Hanson discusses the current status of resistance in the approximately 1.2 million hectares of tree, vine, and other perennial crops in the Mediterranean climate of California’s Central Valley. Because of the importance of glyphosate in this crops sector, glyphosate-resistance is the most widespread challenge. However, emerging issues with resistance to glufosinate, paraquat, and the graminicides as well as changing production practices and weed control options suggest that research and education efforts remain a high priority. Take a listen!
NWB to tackle sclerotinia and the Australian Ground Spray Calculator
Research out of the Centre for Crop and Disease Management (CCDM), in collaboration with AHRI, and co-supported by the GRDC, has indicated that the harvest weed seed control tool (HWSC), narrow windrow burning, also helped to manage the damaging fungal disease sclerotinia stem rot. Kyran Brooks, who is now an agronomist at Landmark in WA, 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. You can find out more about sclerotinia stem rot by checking out the GRDC fact sheet on it here. 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. 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: firstname.lastname@example.org The Australian Ground Spray Calculator The Australian Ground Spray Calculator is nearly ready for release. Below is an example of how it works in practice. In the picture above, you can see the parameters (nozzle manufacturer, nozzle type, nozzle orifice, pressure, tank mix, etc) are filled in, as an example. The blue box on the right-hand side then becomes populated with details about the spray quality, drift potential and more. Music: bensound.com
HWSC Workshop overview and sowthistle management update
With the help of GRDC, Planfarm recently held Harvest Weed Seed Control (#HWSC) workshops in Western Australia. All the current approaches to HWSC were discussed in detail. In this podcast, Jessica Strauss is joined by two co-hosts, Peter Newman (AHRI, WeedSmart, Planfarm) and Nick McKenna (Planfarm) where they provide an overview of the learnings from the workshops. We hear from Goomalling farmer John Even who attended one of the workshops. He talks about his approach to weed control, including his reasoning behind choosing chaff lining as his primary HWSC management tool this season. Music: bensound.com
Autonomous farm machinery from Dot Tech Corp and spray drift tips
It’s that time of year already where farmers are getting out their spray rigs and dealing with in-crop weeds. While it is a busy time of year, it’s essential to ensure you’re across good spraying technique to ensure spray drift does not occur. Spray drift expert Mary O’Brien explains wind inversions and provides tips for avoiding spray drift. You can find out more about Mary’s workshops on spray techniques through her website here. You can also follow her on Twitter at @spraydriftgirl Spray drift expert Mary O’Brien While listening to advice can be really helpful, seeing it with your own eyes is hard to beat. Check out Mary’s video below demonstrating the effects of wind inversions on spray droplets. You can also check out the GRDC’s latest factsheet on pre-harvest herbicide application here. GRDC also have a detailed spray application manual you can access here. Autonomous farm machinery is the topic of the moment. The possibilities to do seem endless, but how far away are some of these machines away from hitting Australian shores? Cory Beaujot from DOT Tech Corp says it might be sooner than you think. He gives us a detailed insight into this family business making autonomous farm machinery out of Saskatchewan in Canada. Some of the benefits the company says you’ll see with using their Dot Power Platform (which can be used as a seeding rig and more) are a reduction in costs for fuel, labour and equipment. If you’d like to see more details about the company and its autonomous machinery, check out their website here. The Dot Power Platform (seedotrun.com) We also talked about the Crop Protection Forum coming up in Dalby on December 6. You can check out more information and purchase tickets here.
Harvest tips, crop topping + trifluralin resistance
Development Officer at Merredin Research Station Glen Riethmuller gives some useful insights into harvesting low, crop lifters and also discusses crop topping. We also hear from Meckering farmer Darren Morrell. He recently received resistance test results which showed one of the farms he is leasing has 80% trifluralin resistance. Darren talks about what tactics he’ll be using to get on top of the weed problem he is now facing. Glen Riethmuller at Merredin Research Station
Virtual fencing + Grain and Graze Update
Jessica Strauss is joined by co-host Greg Condon who is one of the AHRI extension officers and also runs Grassroots Agronomy with wife Kirrily. Greg and Jessica discuss some of the upcoming technology in the ag space. In light of the technology theme, we hear from CSIRO farming systems scientist Rick Llewellyn about virtual fencing and its applications. The CSIRO and Agersens have been working on virtual fencing for a decade with assistance from the Department of Agriculture and Water Resources. The technology is not far away from commercial release and has applications for weed management. Later on, we hear from farm consultant and agronomist Cam Nicholson who is based near Geelong in Victoria. He discusses some of the outcomes of the recently completed GRDC funded Grain and Graze project, as well as his new role as the GRDC’s High Rainfall Zone Regional Cropping Solutions Network (HRZ RCSN) lead. P.S. You can learn more about the outcomes from Grain and Graze here. Music: www.bensound.com
WeedSmart Week in Wagga Wagga: Part 2
In Part 2 of our WeedSmart Week coverage, hear from Day 2 of the Farm Visits, featuring Stephen Hatty (@stephen_hatty); Ben Cruikshank (@ganmain) and Dan Fox (@dfox05). We also hear from attendees on the day including Di Holding. A variety of farming systems are explained, with tactics like the use of stripper fronts; chaff lining; chaff decks; disc + tyne seeding discussed. Music: bensound.com
WeedSmart Week in Wagga Wagga (Part 1)
WeedSmart Week in Wagga Wagga was a cracker of an event. We’re so thankful to all the contributors, including the stakeholders, the AHRI and WeedSmart teams, the presenters and farmers, and also all those who attended. We had a Forum Day on Day 1, followed by farm visits on Day 2 & 3. In this podcast, Jessica Strauss and Peter Newman reflect on the event itself and we also hear from farmers and attendees on the first farm visit day. Warwick and Di Holding, as well as Mark and David Taylor’s farm visits both feature in this podcast. Practices like Warwick’s ‘weedlining’ and chaff lining are covered, plus much more. Take a listen! Music: bensound.com