Combating Weed Resistance on Farm Fencelines with Esplanade Herbicide
With the recent approval for the label extension of Esplanade® herbicide allowing use in grazed, non-cropped areas we explore how Esplanade can play a role in managing herbicide resistance.
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Farmers across the world face numerous challenges in their day-to-day operations, one of which is weed resistance. This problem has become increasingly common in recent years, and it can have significant impacts on farm productivity and profitability. One area where weed resistance is becoming particularly prevalent is on farm fencelines.
Glyphosate, and glyphosate containing herbicides, have long been the go-to product for keeping weeds in these areas under control. However, unfortunately it is often the only product used and the weeds are commonly quite large when it is applied. The result is that glyphosate resistance is building in these areas in quite a broad range of annual weeds.
“Fencelines will always be a potential source of weed seed but there are ways to ensure that the seed from these areas is not already resistant when it blows into production areas.” – Paul Crack, National Sales & Marketing Manager - (Rural & IVM) at Envu.
So, what can farmers do to manage weed resistance on their fencelines?
The first step is to recognise that this is a problem that requires attention. Farmers should monitor their fencelines regularly and keep records of herbicide applications and their effectiveness. If they notice that weeds on the fenceline are not responding to treatment, they should consider using alternative herbicides or non-chemical methods of weed control.
There are several integrated strategies farmers can use to manage this problem including the rotation of herbicides and by incorporating products with different modes of action. With its novel mode of action and broad-spectrum of over 30 grass and broadleaf weeds, Esplanade® can play a key role in an overall control and resistance management strategy.
By applying Esplanade prior to weed seed germination you can significantly reduce the reliance of post-emergent products and slow the development of resistance. Trials have proven Esplanade to be highly efficacious on multi-mode resistant weeds, including annual ryegrass.
Farmers should also avoid over-reliance on a single herbicide and use it only as part of an integrated weed management approach that includes cultural and mechanical control methods.
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