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Release: Eagle Germplasm - western yarrow

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SymbolACMIO
Release NameEagle Germplasm
Release Typeselected
DescriptionEagle western yarrow is a native perennial forb adapted to low elevation, semi-arid sites with long, hot growing seasons. Eagle yarrow's drought tolerance, competitive nature, and ease of establishment make it an excellent choice for post-fire restoration of cheatgrass (Bromus tectorum L.) dominated landscapes and for conversion of introduced perennial grasslands to native plant communities.
SourceSeed of Eagle Germplasm western yarrow was first collected in 1988 by Stanley Kitchen, Research Botanist, USDA Forest Service, Rocky Mountain Research Station, Provo, Utah, from plants at growing along the lower margins of the Boise Front about 5 km north of Eagle, Ada Co., Idaho (43° 76' N, 116° 36' W) at an elevation of about 880 m.
Breeding MethodNo attempt has been made to segregate or eliminate genetic characteristics inherent to the Eagle western yarrow ecotype. No definitive attributes have been reported that would suggest this selection would interfere with or prevent natural recovery of associated plants existing in native plant communities. Eagle Germplasm western yarrow was selected from a series of comparative field trials involving collections from six western states, including Oregon, Nevada, Idaho, Utah, Montana, and Washington. Plantings were evaluated to compare survival, growth habit and rate, establishment, vigor, plant size and stature. Differences in various growing traits were not significant. Eagle exhibited comparatively good growth traits, survival, and vigor as compared to the other western yarrow accessions.
Intended UseEagle Germplasm western yarrow may be used to restore extensive areas once dominated by big sagebrush, bluebunch wheatgrass, antelope bitterbrush, and other shrub communities in eastern Oregon, southern Idaho, northern Nevada, and northern Utah; and possibly other similar areas in the western USA.
Information SourcesRelease notice: http://www.fs.fed.us/rm/pubs_other/rmrs_2011_lambert_s001.pdf
Source StateID
Source CountyAda
Source EcoregionSnake River Plain

 

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