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Thinopyrum intermedium Intermediate wheatgrass

Previous scientific name(s): Agropyron aucheri, Agropyron ciliatiflorum, Agropyron gentryi, Agropyron glaucum, Agropyron intermedium, Agropyron

 

Formerly known as Agropyron intermedium, or as Elytrigia intermedia ssp. intermedia. Cool season, robust, moderately drought tolerant sod-former, 2 to 4 ft. tall. Adapted to a wide variety of sites but does best on medium to fine textured soils. Generally good palatability to livestock and wildlife.

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Species Attributes

Height:

13 - 25 in. or taller

Life Form:

Sodformer

Native or Introduced:

Introduced

Season:

Cool

Sun & Shade Tolerance:

granite seed sun and shade tolerance icon granite seed sun and shade tolerance icon

Elevation:

ft.

Precipitation:

12 - 14 in.

Soil Texture
Coarse:

Not Adapted

Moderately Coarse:

Marginal

Medium:

Best

Moderately Fine:

Best

Fine:

Average

Soil pH
Acidic:

Marginal

Neutral:

Best

Basic:

Marginal

Seeding Rate:

10 - 15 PLS lbs/Acre

Pure Seed per Bushel:

18.00 lbs.

Seeds per Pound:

88,000

Germination Time:

Days

Mycorrhizal Dependent:

Yes

Planting Season:

Spring Fall

Varieties:

Clarke
Variety Release Notes:
Rush

Superior seedling emergence and vigor over other choices. Achieves greater stand density and height quicker than previous releases. Equal or higher forage production than Oahe. (Released 1994, source of ecotype: Berlin, Germany)

Variety Release Notes:
AGIN-Rush.pdf
Chief

Developed for pasture and hayland production in northern latitudes of the U.S. and Canadian prairie region. Well adapted to remain productive under heavy grazing pressure for up to five years. Maintains good productivity under moderate to light grazing for longer than five years. (Released 1961, source of ecotype: former USSR)

Variety Release Notes:
Oahe

High seed and forage producer, and good resistance to rust. A blue-green type with vigorous sod-forming capability. (Released 1961, source of ecotype: former USSR)

Variety Release Notes:
Reliant

Developed for its persistence and sustained hay production in the Northern Great Plains region. Vigorous and winter hardy. Matures relatively late, weakly rhizomatous and is strongly resistant to leaf spot. Distinguished from other cultivars by its upright growth habit. (Released 1991, source of ecotype: six clone synthetic with parentage from Eurasia)

Variety Release Notes:
Tegmar

A dwarf strain (½ the height of other varieties) with excellent drought tolerance. Forms a dense sod, often used as a lowmaintenance turf. Resistant to Banks Grass Mite. (Released 1968, source of ecotype: Bolu, Turkey)

Variety Release Notes:
Manifest
Variety Release Notes:
lands

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