Forage & Range Research Laboratory Logan, UT

Review Progress in … Bluebunch wheatgrass Snake River wheatgrass Indian ricegrass Squirreltail Basin wildrye

Bluebunch wheatgrass Releases Goldar Whitmar Anatone P-7 (MOPX)

P-7 bluebunch wheatgrass germplasm G-2 seed field

IFAFS Trials two sites each in UT, NV, ID, OR with and without Roundup (total of 16 comparisons) measurement: seedling density in late June/early July of establishment year Anatone1.67a0.55a P-71.01b0.48a Goldar0.23c0.16a with withoutRoundup

Current Seed Prices bluebunch wheatgrass Anatone $5.00 per PLS # P-7 $2.00 per PLS #

Anticipated Releases 2005 Columbia Bluebunch Wheatgrass Anticipated Release 2006

Large-seeded bluebunch wheatgrass (from chromsome doubling) seeds 51% heavier than P-7 P-7P-27

selection for regrowth from clipping P-5 Bluebunch Wheatgrass

Snake River wheatgrass Releases Secar Expedition

Anticipated Releases 2005 Expedition Snake River Wheatgrass Anticipated Release 2006

Anticipated Releases 2005 Expedition Snake River Wheatgrass two locations: Blue Creek, Box Elder County, UT Green Canyon, Cache County, UT better seedling establishment through drought compared to Secar year 2 stand frequency of 49% compared to 27% for Secar years 2-4 forage yield 97% greater than Secar

Anticipated Releases 2005 Expedition Snake River Wheatgrass Greenhouse seedling drought-tolerance study in response to drought stress … shoot biomass of Expedition declined 24% shoot biomass of Secar declined 33% in response to drought stress … root-to-shoot ratio of Expedition increased 33% root-to-shoot ratio of Secar increased 7%

Indian ricegrass Releases Star Lake Nezpar Rimrock Paloma White River

Seed Mass 8.62 mg3.37 mg2.33 mg Lemma Thickness 180 µm93 µm52 µm Germination negligible20%66% JumboGloboseElongate (Star Lake)

Anticipated Release 2005 NRCS Trial at Pinedale, WY White River Germplasm Indian ricegrass highly germinable material for the Upper Colorado/Green River Plateau Anticipated Release 2005 highest seed yield of 25 accessions second highest germination of 59 accessions

Anticipated Release 2005 White River Germplasm Indian ricegrass stand superior to Nezpar (4 of 6 years) and Rimrock (3 of 6 years) NRCS Trial at Pinedale, WY vigor superior to Nezpar (3 of 6 years) and Rimrock (2 of 6 years) vigor inferior to Nezpar and Rimrock (1 of 6 years) biomass superior to Nezpar and Rimrock (1 of 3 years)

Sand Hollow (multisetus) Toe Jam Creek (californicus) Fish Creek (elymoides) Squirreltail Releases Tusas (brevifolius)

Sand Hollow Germplasm big squirreltail (Elymus multisetus)

Toe Jam Creek (E. elymoides ssp. californicus) Fish Creek (E. elymoides ssp. elymoides) Bottlebrush Squirreltail germplasms

Fish Creek Toe Jam Creek (E. elymoides ssp. elymoides) (E. elymoides ssp. californicus)

Fish Creek Toe Jam Creek (E. elymoides ssp. elymoides) (E. elymoides ssp. californicus)

E. elymoides ssp. elymoides Mountain Home Fish Creek

Washoe Germplasm Basin wildrye Releases Trailhead Magnar

Anticipated Releases 2005 Continental Basin Wildrye Magnar (2n=56) X L-28 (2n=56) Trailhead (2n=56) Trailhead (2n=28) colchicine-doubling continued cycles of selection

Continental Large-seeded basin wildrye under development seeds 34% heavier than Acc:636 Acc:636L-45

Anticipated Releases 2004