HYPP-A Unité de Malherbologie & Agronomie
Weed Science & Agronomy
INRA-Dijon

Bayer Code : bromo

Scientific name: Bromus hordeaceus L.

Synonym(s) of Sc. name: Bromus mollis L.

Classification: Gramineae, Monocotyledonous

Common name: soft brome

Synonym(s) of Common name:

Name per country: DE : Weiche Trespe ; ES : bromo suelto ; FR : brome mou ; IT : ; PT : bromo-mole ; EN : soft brome ; NL : zachte dravik ; DK : blod hejre

Biological type: Annual

Seed snapshot Seed:

.

Seedling:

- Shoot rolled, leaf sheath cylindrical.

- Lamina 20-50 times longer than large, leaf more or less hairy.

- Ligule membranous dentate, auricles absent.

Adult plant snapshot Adult plant snapshotAdult plant snapshot Adult plant:

- Height 10-80 cm. Cespitose.

- Stem geniculate, ascending or erect, fibrous root unequal.

- Leaf green grey, lower and upper face hairy, margin ciliate, 3 veined, the middle one is more visible. Leaf sheath fused on 2/3 of it's length.

- Inflorescence: (panicle >10 cm), green, ovoid, erect, contracted after flowering, with short verticillate branches, clustered. Spikelets 1,5-2,5 mm, pubescent, pale green, glabrous and bright 6-12 florets of 2 cm long, lower glume with awn, almost equal to upper.

- Species rare in crops. But occasionally a problem weed in U.K., therefore, should this be omitted?

- Risk of confusion at seedling stage with all others species of

Bromus genus.

- Biological type: annual.

Mistake with: Bromus

Ecological profile (click on flags): BeneLux   Present     Denmark  Present     Spain  Rare     France  Rare     Great Britain  Present     Italy  Present     Portugal  Present      

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