Seedbank Analysis in Crested Wheatgrass and Cheatgrass Restoration Areas

Seedbank Analysis in Crested Wheatgrass and Cheatgrass Restoration Areas

October 14, 2013

Dan Mummey and Lauren Stoffel share their analysis of seedbank abundance in 12 crested wheatgrass and cheatgrass control areas proposed for seeding this fall to inform and direct restoration treatments.

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The beginning of the end of fallow period for the ugly crested wheatgrass and cheatgrass areas started this week. Site preparation continues and fall seeding has begun!

Cheatgrass abundance was low on all sites except the northern cheatgrass field. Rapid establishment of native cover is critical for cheatgrass control.

This plot shows crested wheatgrass and bulbous bluegrass, along with other species that can not be identified at the seedling stage. It is not possible to control these species after seeding with diverse natives. Seedbank reduction is needed where either species is abundant prior to seeding natives.

Tumble kochia is a common summer annual. Kochia grows fast and can dominate a restoration. Kochia. Mowing and competition will decrease kochia canopy cover.

Large numbers of mustards can overwhelm a restoration. Mowing is effective for control of the most problematic species. These winter annuals depend on colonizing disturbed soil, with time they should die out as robust plant communities develop.

Poa compressa forms sod and can dominate sites after disturbance. High density P. compressa stands require more weed control effort before we can plant into them.

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Restoration Area Seedbank Analysis

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Seedbank Analysis in Crested Wheatgrass and Cheatgrass Restoration Areas

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