Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : avefa
Scientific name: Avena fatua L.
Synonym(s) of Sc. name: Avena patens Saint-Lager
Classification: Gramineae, Monocotyledonous
Common name: wild-oat
Synonym(s) of Common name:
Name per country: DE : Flughafer ; ES : avena loca ; FR : folle avoine ; IT : avena selvatica ; PT : balanco ; EN : wild-oat ; NL : oot ; DK : flyve-havre
Biological type: Annual
.
- Shoot rolled, leaf sheath cylindrical.
- Leaf blade 20-50 times longer than broad, leaves more or less pubescent.
- Ligule membranous, dentate, auricles absent.
- Height: 60-150 cm. Plant cespitose.
- Stem erect.
- Leaf blades flat, wide, acuminate, dark-green, 10-45 cm long, margin and keel with rare hairs.
- Inflorescence diffuse, panicle, pyramidal, green. Spikelets bent or horizontal, 20-25 cm long 2 or 3-flowerered. Glumes veined, always longer than the lemma. Two or three lemmas aristate
-Fruits : caryopsis with pubescent lemma. At maturity, the caryopsis of a spikelet separate.
- Presence of diclofopmethyl resistant populations in South Africa and Australia.
- Risk of confusion with Avena sterilis subsp. sterilis L., Avena sterilis subsp. ludoviciana (Durieu) Nyman.
- Biological type: annual.
Mistake with: Avena sterilis subsp. sterilis , Avena sterilis subsp. ludoviciana
Ecological profile (click on flags):
Present
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