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AHRIinsight #18 - Rotation Plus


Australia
November 14, 2013

Source: Australian Herbicide Resistance Initiative

Wearing a seat belt reduces the risk of dying in a car accident. The seat belt is not perfect (people wearing seatbelts can still die in car accidents), however it does reduce the risk, particularly when used in combination with other safety technologies (like airbags).

In the same way, rotating herbicides is not perfect, but it does reduce the risk of resistance evolving, especially when combined with other weed management tools.

We received a lot of feedback and more research data on this issue since the last edition of AHRI insight, and we decided to follow up with a more complete summary.

There is more to the story.

If we combine herbicide rotation with other weed management tools, including non-herbicide weed control, we are still in the game.

What do South Africa and South Australia have in common? Dual glyphosate and paraquat resistant ryegrass populations. Research conducted on these populations confirmed that multiple resistance involves one gene for glyphosate resistance and a different gene for paraquat resistance.

This is why herbicide rotation and the double knock are still a good idea.
Click here for more.

AHRIinsight is compiled by Peter Newman, Brogan Micallef and Lisa Mayer.



More news from: Australian Herbicide Resistance Initiative (AHRI)


Website: http://www.ahri.uwa.edu.au/

Published: November 14, 2013

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