Grassweed Tracker : Grassweed Action

Black-grass

Black-grass

Black-grass is a medium to large annual grass-weed which is increasingly common on arable land. It is propagated solely by seeds and, if uncontrolled, weed populations can increase by >10 fold/year.
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Brome

Brome

In the UK, there are five main species of Brome which frequently occur as weeds of arable crops. Sterile Brome, Great Brome, Soft Brome, Meadow Brome and Rye Brome.
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Couch

Couch

In the UK, there are five main species of perennial grass weeds of arable crops that are commonly known as couch or twitch. These are Common Couch, Black Bent, Creeping Bent, Onion Couch and Creeping Soft-grass.
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Italian Rye-grass

Italian Rye-grass

Two species of Rye-grass commonly occur in the UK: Italian Rye-grass (Lolium multiflorum) and perennial Rye-grass (Lolium perenne).
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Wild Oats

Wild Oats

In the UK, there are two main species (Avena fatua and Avena sterilis ssp. ludoviciana) which frequently occur as weeds of arable crops. Both species may occur within a single field, sometimes in mixture but sometimes in discrete, separate patches.
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