Planteværn Online > Skadevoldere - Weed biology<br> <sub>Agro-region: Denmark</sub> - Rye, volunteer
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25.4 2024 undefined

Weed biology
Agro-region: Denmark

Rye, volunteer Previous page Next page

Go to identification key for weeds

Can be mistaken for

Barley, volunteers, which has strong teeth.
Barren Brome, which has a fused leaf sheaths.
Oat, volunteers, which has no teeth.
Wheat, volunteers, which has teeth with long hairs on the edge.

Characteristics

Early stages
Lower leaves are densely velvety-hairy with often reddish brown sheaths. Broad blades. The sheath is closed with small, distinct teeth.

Mature plant
The straw is 50-150 cm high and erect. Individual spikelets, two-rowed, with 2 narrow, awl-shaped glumes and 2 flowers with long awns from the bracts. Commonly grown in Denmark.

Biology

Propagation and dispersal
Only through seeds.

Habit
Winter annual.

Importance

Occasionally as volunteers in subsequent crops.

For treatment options, consult 'Herbicides Across'.
For more options, consult 'Main Menu'.

Taxonomy

Gramineae.

Names in different languages

Danish : Spildkorn, rug
German : Roggen, Durchwuchs-
English : Rye, volunteer
Latin : Secale cereale L.
Norwegian : Rug
Swedish : Råg
Rye, volunteer: Very early stage
Very early stage
Rye, volunteer: Early stage
Early stage
Rye, volunteer: Ligule
Ligule
Rye, volunteer: Leaf sheath
Leaf sheath
Rye, volunteer: Ear
Ear
Rye, volunteer: Mature plant
Mature plant
 
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