Herbicide-resistant blackgrass© Tim Scrivener
Herbicide resistance is the inherited ability of a weed population to survive a rate of herbicide that would normally kill it. In the UK, herbicide resistance is already widespread in grasses, with resistant blackgrass in particular being increasingly difficult to control. Ryegrass and wild oats are also affected, and there is a suspicion that meadow brome may also becoming resistant. See the other articles in this four-part weed series: How to get on top of broad-leaved weeds How to tackle […]