Perennial ryegrass (Lolium perenne) is found in lawns all across the United States. In cooler climates, it's a popular cool-season turf grass for permanent lawns. In warmer climates, it's often ...

If it's time for a new lawn, you'll need to select the right grass. Perennial ryegrass is a popular grass species grown on ...

During Delaware Ag Week, Extension Weed Specialist Mark VanGessel updated farmers on the latest in herbicide resistance and ...

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 ...

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 ...