Italian ryegrass has been growing in several fields on a farm in Kent. Scientists have confirmed it is resistant to glyphosate, considered to be the most effective weedkiller on the market.

The species in question, called Italian ryegrass, is very widespread in the UK, but specimens impervious to the chemical have only been found on one farm in Kent. Glyphosate has been helping ...

“I’ve looked at it for control of downy brome and it did a nice job; some of the key weeds that this product will control are weedy bromes, mustards and Italian ryegrass.” Beyond IronGate, Surtain ...

But scientists have now confirmed that the weedkiller was not effective on Italian ryegrass found in multiple fields on a farm in Kent. They are now briefing the farming community about the ...

The discovery was announced by the UK Weed Resistance Action Group after resistance to the maximum label rate of glyphosate was identified in a population of Italian ryegrass (Lolium multiflorum) on a ...