Abstract
A Selected Class pre-varietal release of bur oak (Quercus macrocarpa Michx. [Fagaceae]) designated as Ekalaka Germplasm bur oak has been released for use in the Northern Great Plains and Intermountain West for windbreaks, shelter-belts, riparian forest buffers, wildlife habitat plantings, Xeriscapes®, and other conservation plantings. This selection is a bulk of 9 indigenous seed sources from Montana, North Dakota, and South Dakota selected for superior percentage survival, rate of height growth, and vigor rating compared with other seed sources tested at Bridger, Montana. Ekalaka Germplasm bur oak can be used in many conservation applications in place of Russian-olive (Elaeagnus angustifolia L. [Elaeagnaceae]) and green ash (Fraxinus pennsylvanica Marsh. [Oleaceae]) given adequate soil aeration and low salinity.
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Claims 2
Claim · model-written summary
The Ekalaka Germplasm bulk of nine seed sources was selected for superior survival, height growth and vigor compared with other seed sources tested at Bridger, Montana.
- Taxon
- Quercus macrocarpa
Quercus macrocarpae0 - Material
- 9 indigenous seed sourcese1
- Outcome
- percentage survival, rate of height growth, and vigor ratinge1
- Direction
- superiore1
- Comparator
- other seed sources tested at Bridger, Montanae1
- Setting
- Bridger, Montanae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“bur oak (Quercus macrocarpa Michx. [Fagaceae])”
e1“This selection is a bulk of 9 indigenous seed sources from Montana, North Dakota, and South Dakota selected for superior percentage survival, rate of height growth, and vigor rating compared with other seed sources tested at Bridger, Montana”
Claim · model-written summary
The authors recommend the Ekalaka Germplasm bur oak for conservation applications in place of Russian-olive, given adequate soil aeration and low salinity.
- Taxon
- bur oak
Quercus macrocarpat0 - Outcome
- conservation applicationse0
- Qualifier
- given adequate soil aeration and low salinitye1
- Comparator
- Russian-olivee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Ekalaka Germplasm bur oak”
e0“can be used in many conservation applications”
e1“in place of Russian-olive (Elaeagnus angustifolia L. [Elaeagnaceae]) and green ash (Fraxinus pennsylvanica Marsh. [Oleaceae]) given adequate soil aeration and low salinity”