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Herbicide evolution and technology

June 15, 2020

Something old, something new in annual ryegrass control

It’s a quaint tradition that many brides follow – ‘Something old; represents continuity with the past and ‘Something new’ offers optimism for the future. ‘Something borrowed’ passes on another’s secrets for success and ‘Something blue’ represent key features of a solid relationship. Finally, ‘A sixpence in your shoe’ for prosperity. With the release of several new modes of action and chemical formulations, it’s helpful to first consider how these ‘new’ chemicals might revive some ‘old’ chemistry.

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Plot trials
AHRI Insight

March 11, 2020

Luximax gets its own NEW box

We all put things in boxes inside our head to help us organise our brain. A few of the important boxes I have inside my head – fishing spots, great moments in sport, top five meals of all time, jokes, song lyrics, useless trivia, movie quotes, WA town license plates, and of course the nothing box (the place every man retreats to when he has five minutes of peace and quiet!). Ok, it’s not an over-achieving brain but it gets me by.

However, sometimes something new will come along and it won’t fit into your existing boxes. It might need a new box.

Knowing how to use a new product in mixes and rotations with other herbicides can be a little confusing, hence the development of the “boxes” by the AHRI team a couple of years ago to help you put the right herbicides in the right boxes inside your head.

So, when considering this, what box do we put Luximax (Cinmethylin®)? Well… it gets its own NEW box!

AHRI researcher Dr Roberto Busi is helping us to understand some of these new products before they come to market. He recently investigated the product Cinmethylin which is a new BASF product called Luximax

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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

June 17, 2019

Keep mixing herbicides

Roberto recently completed a project with GRDC investment where he sampled ryegrass from 17 paddocks across eight farms in Western Australia to see if there are benefits of proactively testing for herbicide resistance.  Across these tests, he found ryegrass that was resistant to Clethodim (Select) or Butroxydim (Factor) but no ryegrass that was resistant to the mix of the two. The same went for the pre-emergent herbicides as well, no resistance to mixes.

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AHRI Insight

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Australian Herbicide Resistance Initiative
UWA School of Agriculture and Environment
The University of Western Australia
35 Stirling Highway, Crawley, Perth WA 6009

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(+61) 8 6488 7870

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