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AHRI Snapshots is a podcast that provides information on what we do at the Australian Herbicide Resistance Initiative, as well as finding out what other researchers in weed science are up to around the country and the world. AHRI's researchers work out of the University of Western Australia, right next to the beautiful Swan River in WA's capital, Perth.
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In this episode of AHRI Snapshots, we catch up with an international guest. Dr Juan Vorster is an Associate Professor in Plant and Soil Sciences from the University of Pretoria, South Africa.Juan is studying herbicide resistance mechanisms in weeds and the development of effective management strategies for these weeds.He’s currently in Perth for a conference, so it’s a great opportunity to have a chat and learn more about his research. To learn more about Juan's research, visit the University...
In this AHRI Snapshots, we catch up with Principal Research fellow, Dr Qin Yu about her latest paper on glyphosate resistance in goosegrass. This paper was published in Nature Communications in August 2023, which is an impressive achievement. This paper is complicated, but essentially the researchers have found a hot spot on the genome of goosegrass that is a herbicide resistance generator.In this research, the team found that in glyphosate-resistant goosegrass the EPSPS gene was tr...
Over the last few years, the AHRI agronomy team has done extensive work looking at crop competition in hybrid and open-pollinated canola.Project lead, Dr Mike Ashworth, joins us on this podcast to discuss the findings on ideal seeding rate, variety, row spacing and seed size.Herbicides are currently working quite well in canola. We know that herbicide resistance is a real threat though, so we discuss what the current trends are in herbicide use in canola crops and what growers need to do to m...
In this episode, we catch up with visiting Associate Professor Todd Gaines. Todd is from Colorado State University and is currently working from UWA with AHRI. In September, he’ll be at the International Plant and Animal Genome Australia conference in Perth city, where he’s organising a two-hour session of invited talks. Todd is also organising a subsequent workshop at UWA on September 22nd, which will have the theme “We have weed genomes, but what do we do now?” While herbici...
Blue lupins are notorious for being difficult to control and plants produce prolific seed banks. Blue lupins are closely related to the domesticated narrow-leaf lupin, also known as the white lupin, so whichever herbicide is survived by white lupins is also survived by blue lupins. This is problematic as they look alike. This is where a team of researchers from AHRI and the Centre for Applied Bioinformatics at the University of Western Australia, led by UWA PhD candidate and Forres...
In this interview we chat with AHRI Research Officer Roberto Lujan Rocha about the survey work he has conducted on the quality of water sourced on farm for spray application. This project is a collaboration between University of Western Australia, AHRI and the Centre for Water & Spatial Science. The team looked at water from bores, dams, desalinated water, rainwater tanks and scheme water. Roberto surveyed water sources in the mid to south West Australian wheatbelt in Sept...
As reliance on pre-emergent herbicides for both broadleaf and grass species is increasing, it’s essential to understand the dynamics of weed-herbicide interactions in the field. Dr Mahima Krishnan and her colleagues from University of Adelaide are in the process of studying populations of summer weeds to help predict and then mitigate any future resistance that maybe develop by implementing appropriate herbicide application strategies. This is a project funded by GRDC and in collaboratio...
On this episode of AHRI Snapshots, we’re catching up with former AHRI master’s student Geide Figueiredo (also known as JD) who worked alongside AHRI researcher Roberto Busi to try and break the herbicide cinmethylin, commercially known as Luximax. Fortunately, they weren't able to break it, which is great news for farmers and agronomists because it means that this herbicide is still working and resistance hasn’t developed. However, it’s always important to remember there’s no guara...
In this interview, AHRI's Jessica Strauss chats with Dr Aimone Porri, who is the Laboratory Head for Herbicide Target and Weed Resistance Research at BASF, based in Germany. Aimone's work spans across several fields in the weeds resistance research space, including working as a Geneticist, Molecular Biologist, and Plant Biologist. At the time of this chat, he was in Australia visiting AHRI. Aimone has collaborated with AHRI for several years. We talk about some of the significant work h...
In our first episode back for AHRI Snapshots this year, we chat with Dr Hira Shaukat, who previously was an AHRI PhD candidate. Hira worked on 3D mapping of soil moisture throughout her PhD. Part of her work involved looking at how farmers could utilise degraded land affected by salinity. This involved figuring out what soil conditions would be suit the plant Leptospermum nitens. Nectar from this plant is a source of high-value medicinal honey production and can provide income from agri...
This month on the podcast, we’re going to be finding out about the upcoming Herbicide Discovery and Development Conference, which is happening from January 18 to 20, 2023 at Curtin University. Due to genetic resistance to many of the most used herbicides, the need for new ones is greater than ever. This conference invites you to be part of the solution!University of Mississippi Adjunct Research Professor, Steve Duke, will be the keynote speaker on Thursday January 19. He’ll be talking on “Mol...
On AHRI Snapshots this month, we have an exciting episode, as we catch up with AHRI’s incoming Director, Associate Professor Ken Flower. Ken would be familiar to listeners as he’s been involved in AHRI projects for several years, contributing his substantial knowledge in no-till and agronomy to the AHRI Agronomy team.He has a broad farming systems skillset, including in conservation farming and no-till systems, agronomy and cropping systems, precision agriculture, and weed control. ...
Don't stop thinking about tomorrow is the theme of the upcoming Crop Protection Forum in Wagga Wagga next month.In this AHRI Snapshots, we catch up with event organiser, Dr Lizzy Lowe, who is the Senior Extension Scientist for Cesar Australia. This event is held annually, with this year’s partners being The Centre of Crop Disease Management (CCDM), the Australian Herbicide Resistance Initiative (AHRI), and The University of Melbourne with support from the GRDC.Attendees will hear f...
In this AHRI Snapshots we catch up with Dr Martin Vila-Aiub, who was co-author on a recent publication that our latest AHRI insight covers. It’s all about how highly glyphosate resistant plants can’t compete.AHRI researchers recently teamed up with Martin, who is based in Argentina and other researchers from Brazil to investigate the combination of crop competition and glyphosate on glyphosate-resistant goosegrass. Competition alone from Soybeans reduced the growth of plants with the TI...
AHRI’s Dr Roberto Busi talks about his finding of velocity resistant wild radish in this podcast. It’s not great news for growers – but knowledge is power. At the end of 2019, Roberto Busi started a new herbicide resistance testing service based at UWA. Growers and agronomists sent in about 500 samples of ryegrass for testing as well as 121 samples of wild radish. Two of these wild radish populations, sampled by agronomists, had survivors to Velocity® and Roberto embarked on extens...
In this episode, we're catching up with former AHRI PhD candidate, Nooshin Shahbazi, who is officially now a doctor, after her successful PhD completion. Nooshin’s thesis is entitled “Use of Light Detection and Ranging (LiDAR) to detect and map weeds that grow taller than crops at harvest”. We’re hear from Nooshin on her thesis findings and what the future might hold for LiDAR in weed detection in crops. You can follow AHRI on Twitter here. To learn more about AHRI's res...
AHRI's Dr Mechelle Owen has been collating data from the 2020 random resistance survey. This is part of a national project, with investment from GRDC.Mechelle has been conducting these random surveys for a number of years and so she shares some of the trends in this interview she has identified from the 2015 survey results compared to these latest preliminary results from Western Australia. Some of the results available and shared in this interview include the resistance status of barley...
On this edition of AHRI Snapshots, we catch up with Professor Hugh Beckie, for the final time! Hugh is retiring from the role of AHRI Director at the end of this month. Hugh has has worked in the field of herbicide resistance for more than 30 years and has been leading AHRI research as Director since 2018 after moving to Australia from his home country of Canada.In this episode, we look back on what Hugh is most proud of during his time as AHRI Director. You can follow AHRI on...
In this episode of AHRI Snapshots, we’re catching up with AHRI’s Dr Danica Goggin about her latest paper which looks at cinmethylin metabolism in annual ryegrass. Cinmethylin is a relatively new pre-emergent herbicide to Australian cereal cropping farming systems. While there hasn’t been any confirmed resistance of annual ryegrass to cinmethylin, there has been some populations which have had reduced sensitivity to it. Danica joins us to explain what the paper authors found the caus...
In this interview, we catch up with AHRI Senior Agronomy Researcher, Roberto Lujan Rocha to talk about his latest publication he worked on with Aniruddha Maity, who briefly worked at AHRI just before the pandemic. This study, entitled Concurrent evolution of seed dormancy and herbicide resistance in field populations of dominant weed species in Western Australian cropping systems, evaluates the interaction among developing herbicide resistance, seed size and seed dormancy in three weed specie...
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