Oklahoma State University
Stillwater, OK

Oklahoma Alfalfa
Oklahoma Cooperative Extension Service
Oklahoma Agricultural Experiment Station

Flixweed

COMMON NAME: Flixweed
SCIENTIFIC NAME: Sescurainia sophia (L.) Webb. ex Prantl
TYPE: Annual Cool-season Broadleaf
DESCRIPTION  
Germination: September through November.
Reproduction: By seed, May through June.
Stems: Erect, branched above, green with grayish short hairs.
Leaves: Alternate, stalked, 2 to 3 times divided, fern-like.
Flowers/
Inflorescence:
Dense raceme, 4 yellow petals, 4 longer sepals.
    Fruit: Long silique, at right angle to stem, 20-40 seeds/2-part fruit.

FOUND:

Throughout the state, but mostly a problem in new stands in northwest counties.

CONTROL:

Very competitive in new fall stands, so control in fall with application of BUTYRAC 200. January-February applied SINBAR and VELPAR for control in thinning stands.
In Alfalfa Plant tn_flixweed-02_jpg.jpg (1960 bytes)
Leaf
tn_flixweed-01_jpg.jpg (1617 bytes)
Plant
tn_flixweed-03_jpg.jpg (2024 bytes)
Seed Head

Additional Flixweed Images

Jim Stritzke
Former Alfalfa Weed Control Specialist
Department of Plant and Soil Sciences
Oklahoma State University

oces_o.gif (1925 bytes)

 

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