January 10, 2023
AHRI 2022 wrap-up: a year in review
Written by: Jessica Scholle From all of us at AHRI, Happy New Year! As we start a fresh new year, we wanted to take this…
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News
evolution
January 17, 2022
AHRI 2021 Wrap-Up
Written by: Jessica Scholle Despite the challenges COVID-19 presented in 2021, our researchers continued their research and published throughout the year. From the identification of…
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News
August 11, 2021
Mixtures rock! Next level resistance testing tells a big story
Written by: Peter Newman AHRI insight has a bit of a twist this edition. Peter Newman composed and performed a rap. You can check out…
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AHRI Insight
December 18, 2020
AHRI 2020 Wrap Up
Despite the challenges 2020 presented, there continued to be excellent research which was published throughout the year. In this post we have collated our top five most read AHRI insights and our top five most listened to podcasts for 2020.
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News
December 1, 2020
The herbicide mixture is greater than the sum of herbicides in the mix
AHRI researcher, Dr Roberto Busi is no philosopher, but he has recently published some significant research that shows that Aristotle knew a thing or two about herbicide resistance despite being born over 2000 years before the first herbicide. Amazing! The message from this research – never assume that a herbicide mixture will fail even if there is resistance to both components of the mix.
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AHRI Insight
November 3, 2020
2,4-D antagonises glyphosate, especially in glyphosate resistant weeds
Some recent research by a former AHRI researcher Jingbo Li and others shows that glyphosate resistance changes this. They studied two populations of barnyard grass with relatively low-level glyphosate resistance and found that when 2,4-D Amine or Ester was added to the tank with glyphosate, barnyard grass control was greatly reduced. They went on to discover that this is due to an effect on uptake and translocation.
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AHRI Insight
September 7, 2020
Reversing trifluralin resistance
They said it couldn’t be done – climbing Everest, flying to the moon and even deep-frying Mars bars. We were also told that we couldn’t reverse herbicide resistance. In the majority of cases, the experts are right – herbicide resistance is permanent, and we thought that was the case for all resistant weeds.
Until now…
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AHRI Insight
July 13, 2020
On a good thing? Don’t stick to it! – the Director’s Cut
Welcome to the highlight reel of AHRI’s recently released blockbuster – ‘Don’t stick to it!’. Set in the labs, glasshouses and fields of this world-leading research powerhouse, and featuring renown giants of the herbicide resistance world – Powles, Busi, Yu and Owen, this latest exposé will have you seriously impressed!
‘Don’t stick to it!’ delves into five years of ground-breaking scientific discovery and its value to Australian farmers in their epic battle against profit-sucking weeds.
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AHRI Insight
December 12, 2019
2,4-D resistance does not affect the fitness of radish
Merv Hughes was not a fit-looking cricketer. Merv was a notorious consumer of food and alcohol, and it showed! Despite this, he was a successful professional sportsman. Mitchell Johnson, on the other hand, was the epitome of a fit, healthy fast bowler. But who had the better bowling average? You guessed it, big swervin’ Mervin!! 28.38 compared to Johnson’s 28.4. Ok, we’re splitting hairs here, but you get the picture, how fit you look is only part of the story.
If you grew 2,4-D resistant radish in pots on its own, and compared that to the good old susceptible radish of yesteryear, you would find that the resistant ones are a bit smaller overall, slightly shorter, have smaller leaves and they are slightly more dormant so they germinate a bit later.
You would think that all of this would add up to a less fit wild radish plant that is less competitive with our crops.
That’s exactly what AHRI researcher, Dr Danica Goggin, thought when she observed these differences in her research to work out how 2,4-D resistance works. So she studied it. Click through to learn what she found!
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AHRI Insight
October 15, 2019
Mixing herbicides wins again
What sort of person goes to a cocktail party and sticks strictly to beer?
A smart one! We all know that mixing drinks can hurt the next day.
We can’t say the same for herbicide mixing though. The smart farmers and agronomists are mixing two or more herbicides targeting the same resistant weed to delay resistance and maximise weed control, and the science is supporting this approach.
AHRI researcher Roberto Busi is a long-term advocate of herbicide mixing and in his recent paper which describes some computer modelling that he undertook with the help of Michael Renton.
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AHRI Insight
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