Jointed goatgrass seedling

Jointed goatgrass (left) and wheat (right)

Leaf collars and margins of jointed goatgrass (left) and wheat (right)

Wheat (left) and jointed goatgrass (right) leaf characteristics

Hairs on the leaf margins of jointed goatgrass

Jointed goatgrass leaf and stem

Jointed goatgrass seedling

Jointed goatgrass seedling germinating from soil surface

(1)

Jointed goatgrass seedling germinating from soil surface

(2)

Wheat, hybrids, JGG (L to R)

Jointed goatgrass (L) and wheat (R) seedheads

Jointed goatgrass seedheads

Wheat seed and jointed goatgrass spikelets

Jointed goatgrass can increase dockage when taken to market

Jointed goatgrass seedling and spikelets (joints)

Jointed goatgrass seedling and attached spikelet. NOTE: Two plants emerged from a single spikelet.

Wheat and jointed goatgrass seed comparison

(L to R) Wheat, jointed goatgrass, and hybrid seedheads

(L to R) Wheat - Hybrids - Jointed goatgrass

Jointed goatgrass seedheads

Jointed goatgrass seedheads

Mature wheat seedhead

Jointed goatgrass infestation

Severe jointed goatgrass infestation

Photo courtesy Phil Westra, Colorado State Univ.

Effects of jointed goatgrass invasion where wheat stand is poor or absent

Wheat and jointed goatgrass competition (1)

Wheat and jointed goatgrass competition (2)

Improperly grazed wheat can increase chances of a goatgrass problem

Plowing wheat stubble (1)

Photo courtesy Frank Young, USDA-ARS, Pullman, WA

Plowing wheat stubble (2)

Photo courtesy Frank Young, USDA-ARS, Pullman, WA

Severe jointed goatgrass infestation (1)

Severe jointed goatgrass infestation (2)

Severe jointed goatgrass infestation (3)

Severe jointed goatgrass infestation (4)

Severe jointed goatgrass infestation (5)

Severe jointed goatgrass infestation (6)