Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : setvi
Synonym(s) of Sc. name:
Classification: Gramineae, Monocotyledonous
Common name: green bristle-grass
Synonym(s) of Common name:
Name per country: DE : Grüne Borstenhirse ; ES : setaria viridis ; FR : sétaire verte ; IT : pabbio comune ; PT : milhã-verde ; EN : green bristle-grass ; NL : groene naaldaar ;
Biological type: Annual
.
- Shoot folded, leaf sheath flattened or terete.
- Leaf blade 2-5 times longer than broad, leaf more or less hairy.
- Ligule membranous, ciliate, surrounded with a ring of hairs, auricles absent.
- Height: 10-50 cm. Plant tufted, glabrescent.
- Stem erect or sometimes spreading, slender, smooth, often branched near the base.
- Leaves with a sheath 4-7 mm long, margins scabrid, long and acute apex. Leaf sheath ciliate, more or less markedly hairy, elliptic or slightly flattened.
- Inflorescence : spike -like panicle, 2-5 cm long, oblong or globose, dense, yellowish, smooth up and down, with a hairy rachis; numerous green or reddish, very prominent, with erect teeth hairs. Spikelets ovate, obtuse ; very unequal glumes, the upper equalling the flower, fertile floral glumes minutely rugose.
- Populations exist which are resistant to triazines in France and to trifluraline in Canada.
- Biological type: annual.
Ecological profile (click on flags):
Present
Rare
Present
Present
Present
Present
