Old World Bluestem (Andropogoni schaemum)

Origin: Africa/Asia
Use: Perennial, warm season, introduced grass.
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Plant Description:
General   
Life Span  Perennial
Growth Form  2-4 feet tall, bunchgrass.
Management:
Seeding Rate 
40" Rows:  Broadcast: 


0.5 pound pure live seed per acre
1.2 pounds pure live seed per acre
Planting Date  March or April
Planting Depth less than 0.25 inch
pH requirement 6.0 to 8.0 (WW-Iron master adapted to pH 8.0).
Rainfall requirement 20 to 30 inches
Soil texture  Sandy: 
Loam: 
Clay: 

Moderate
High
High
Cold Tolerance: Moderate
General   
ID Features:
Habit: 		Slender tufted to widely rhizomatous perennial.
Culms: 		Somewhat decumbent often rooting at the nodes, 30-90 cm. tall, grooved on one side,
		glabrous to bearded at the nodes.
Blades: 	Flat to folded or revolute, slightly keeled with a very prominent midrib,
		scabrous to thinly pilose, 2-20 cm. long, 1-4 mm. wide.
Sheaths: 	Slightly keeled, smooth.
Ligule: 	Membranous, fringed, about 1 mm. long.
Inflorescence: 	Short with 2-8 main branches, 2-6 cm. long, rachis internodes and margins of the pedicels long-villous.
Spikelets: 	Sessile spikelet 4-6 mm long, somewhat longer than the pedicel and rachis-joints,
		scabrous, the twisted bent awn 8-15 mm. long.  Pedicellate spikelet reduced to a single glume,
		usually 2-3 mm. long, short-awned, spreading, the pedicel pilose.
Glumes: 	Of fertile (sessile) spikelet subequal, acuminate, the first dorsally flattened,
		with a strong nerve near each margin, the midnerve faint; second thinner, keeled above,
		scabrous on the keel, ciliate on margin.
Sterile lemma: 	Nearly as long as the glumes, acuminate.
Fertile lemma: 	Entire or 2-toothed at the apex, shorter than the sterile lemma,
		with a twisted awn, 8-15 mm. long, bent about 3 mm. from the base.
Habitat: 	Prairies, plains, open woods, sand hills.  July-September.
Use: 		Has been reseeded on croplands, particularly those areas with low fertility.
		Only cultivars that have been selected for better palatability should be planted for grazing.
Remarks: 	This grass is usually less palatable than native species and will become a single species
		stand in grazed pastures at the expense of the native grasses.
Synonyms:	Bothriochloa ischaemum (L.) Keng var. ischaemum
Special Notes:
  • Small seeds chaffy, fluffy.
  • WW-Spar adapted more to West Texas.
  • WW-Iron Master adapted to higher pH (pH 8.0).
  • Sorghums and small grain residues may decrease stand percentage.
  • Spray for weed control only when ‘Old World’ is well tillered (six tillers) or when is covered by weed canopy.
  • Stocking rates reported by ranchers of Throckmorton, Tx, (rainfall 25 inches) are 2 heifers/Acre.
  • If not grazed the first year, burning may be needed.
  • Palatability: High in green material.

    Old World Bluestem (Andropogoni schaemum) Information #1

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    Regional Adaptation
    Variety
    Coast Saline Prairie
    Coast Prairie
    East Texas Timberlands
    Claypan Area
    Blackland Prairie
    East Cross Timbers
    West Cross Timbers
    Grand Prairie
    North Central Prairies
    Central Basin
    Edwards Plateau
    Northern Rio Grande Plain
    Western Rio Grande Plain
    Central Rio Grande Plain
    Lower Rio Grande Valley
    Rolling Plains
    High Plains
    Trans-Pecos
    Old World
     
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