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'Rush' Intermediate Wheatgrass Long Range Field Planting Plan

Plant Accession Data

  • accession number: 281863
  • scientific name: Thihopyron intermedium Past trials have included this accession under A. junceum and A. varnense
  • common name: 'Rush' intermediate wheatgrass
  • selecting PMC: Aberdeen

Botanical Description

An intermediate wheatgrass type; seed and seed heads are large; excellent seedling vigor; excellent forage production; moderately to strongly rhizamotous; leaves and stalks smooth and soft; good palatability, leaves go up the clum higher than typical intermediate.

  • chromosome number: 42 (allohexaploid) SJE genomes
  • growth form: semi-erect to erect
  • growth habit: rhizomatous
  • mature height: 2 to 4 ft.
  • mode of reproduction: seed, rhizomes
  • period of active growth: cool season, early summer
  • photosynthetic pathway: C3
  • plant type: grass
  • seeds/lb: 66,000

Adaptation to Site

Moderately deep to deep soils, sandy loam to fine loamy, 12-40 inch precipitation zones, cool season, open to partial shade, southerly to northerly exposures.

  • drainage tolerance: well drained rooting depth: 20 inches
  • growing season: 100 days salinity tolerance: 10 to 12 dS m-1
  • inundation tolerance: 3 to 6 days soil reaction, pH, low: 5.0
  • maximum precipitation: 45 inches soil reaction, pH, high: 8.0 ?
  • minimum precipitation: 12 inches soil texture: coarse to medium
  • minimum temperature: -30 F

Proposed Uses

Proposed Uses for "Rush" Intermediate Wheatgrass
Practice Codes Subpractice
buffer strip 307 tall cover, weed suppression
channel vegetation 322 upper bank stabilization
critical area treatment 342 mines, roads, fills
filter strip 393 livestock, waste, sediment
forest land - erosion 408A sediment
forest land - filter 408C sediment
grassed waterway 412 tall height
grasses and legumes in rotation 411 perennial, establishes fast
pasture and hay planting 512 summer, short moisture
range seed 550 summer, fall, winter
recreation area 562 traffic, dust, stabilization
waste utilization 633 high nitrogen use?
wildlife upland management 645 cover, forage

Planting Information

Culture and Management 1

In accordance with applicable practice standards and specifications as stated in Section IV of the Field Office Technical Guide.

Planting Size

Minimum five (5) acres each, featured cultivar and standard of comparison entry.

Seeding Rate

Nine (9) pounds pure live seed (PLS) per acre in pure stands. Adjust accordingly for mixtures.

Standard of Comparison
  • 'Greenar' intermediate wheatgrass
  • 'Oahe' intermediate wheatgrass
  • 'Reliant' intermediate wheatgrass
  • 'Amur' intermediate wheatgrass
Evaluation

Herbaceous plant performance will be requested annually for the first five (5) years and the tenth (10th) year following establishment. Standard evaluation forms will be provided.

1 Seedbed preparation, planting methods, seed placement depth, weed control, and stand establishment management.

2 Field office location managed by the respective Area Plant Materials Committees.

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Last Modified: 07/05/2007