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

Bayer Code : brosq

Scientific name: Bromus squarrosus L.


Synonym(s) of Sc. name: Bromus wolgensis (Fischer ex Jacq.).

Classification: Gramineae, Monocotyledonous

Common name: Bromus squarrosus

Synonym(s) of Common name:

Name per country: DE : Sparrige Trespe ; ES : bromo escuarroso ; FR : brome raboteux ; IT : forasacco pendolino ;

Biological type: Annual


Seed snapshot Seed:

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Seedling snapshot Seedling:

- Shoot rolled, cylindrical leaf sheath (more slender than others Bromus seedling).

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

- Ligule membranous, dentate, auricles absent.


Adult plant snapshotAdult plant snapshotAdult plant snapshot Adult plant:

- Height: 20-60 cm. Cespitose.

- Stem slender, without hairs.

- Leaves with short ligule, ovate and torn, smooth, flat, narrow, elongated and pointed, hairy on lamina and leaf sheath. Leaf sheath fused upto 2/3 of it's length.

- Inflorescence : slack panicle, inclined, composed of clustered branches. Awns inclined at maturity. Branches clustered, generally shorter than spikelets, isolated. Spikelets 2-5 cm, 8-20 florets. Florets recovering, glabrous or hairy, purplish or greenish. Glumes ovate and unequal. Panicle unilateral after flowering.

- Species rare in crops.

-- Risk of confusion at seedling stage with all others species of Bromus genus.

- Biological type: annual.

Mistake with: Bromus


Ecological profile (click on flags): Spain   Rare     France  Rare   Italy  Present    

 

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