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Forage Grass Seed Identification. Presented by Mary Anne Anderson June 13, 2007. Coaching an Agronomy Team. Teach Identification First Start with Basic Anatomy Teach seeds which look alike to avoid confusion Ex. Crested and Intermediate Wheatgrass. Forage Grass Seed External Anatomy. Awn.

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forage grass seed identification

Forage Grass Seed Identification

Presented by Mary Anne Anderson

June 13, 2007

coaching an agronomy team
Coaching an Agronomy Team
  • Teach Identification First
  • Start with Basic Anatomy
  • Teach seeds which look alike to avoid confusion
    • Ex. Crested and Intermediate Wheatgrass
timothy phleum pratense
TimothyPhleumpratense
  • small, rounded shape
  • pale brown seed with tan hull
  • may or may not have lemma and palea attached
  • 1 - 2 mm
kentucky bluegrass poa pratensis
Kentucky BluegrassPoapratensis
  • darker straw color
  • small grass, 2 - 3 mm
orchardgrass dactylis glomerata
OrchardgrassDactylisglomerata
  • light straw color
  • boat shaped palea edge
  • fuzz on lemma
  • 4 - 6 mm
tall fescue schedonorus phoenix
Tall FescueSchedonorusphoenix
  • rachilla is golf tee shape
  • sides of seed are slightly curved
  • 5 - 7 mm
crested wheatgrass agropyron cristatum
Crested WheatgrassAgropyroncristatum
  • palea sides are parallel
  • edges barbed
  • short awns
intermediate wheatgrass elytrigia intermedia
Intermediate WheatgrassElytrigia intermedia
  • 9-12 mm
  • palea boat-shaped
  • palea edges smooth
green needlegrass nassella viridula
Green NeedlegrassNassella viridula
  • pale, yellow/green and brown seeds
  • awns may be present, > 5mm
  • lemma spin clearly visible
bluebunch wheatgrass agropyron spicatum
Bluebunch WheatgrassAgropyronspicatum
  • tips of lemma (away from rachilla) are frayed
  • short awns may be present
  • most seed ends look like they have run through a paper shredder
smooth brome bromus inermis
Smooth BromeBromus inermis
  • lemma wrinkled
  • flattened seed
  • large seed
  • brown shades
reed canarygrass phalaris arundinacea
Reed CanarygrassPhalaris arundinacea
  • seed coat shiny
  • pale, light brown and yellow/green seeds
  • tear drop shaped
creeping foxtail alopecurus arundinaceus
Creeping FoxtailAlopecurusarundinaceus
  • strong V in the end of lemma
  • seed color varying shades of grey
  • seed coat edges fuzzy
quackgrass elytrigia repens
QuackgrassElytrigia repens
  • large seed (8-15 mm)
  • divot in rachilla clearly visible
  • biggest grass seed on the state list
cheatgrass bromus tectorum
CheatgrassBromustectorum
  • long awns
  • nasty, brown or yellow/brown seeds
  • large seeds
  • messy sample
for additional information
For additional information:
  • USDA Plant Database

http://plants.usda.gov/index.html

  • The Ohio State University Seed Id. Workshop

http://www.oardc.ohio-state.edu/seedid/

  • University of Kentucky Agripedia

http://www.ca.uky.edu/agripedia/Agmania/SEEDID/