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Protocol Information

Susan Meyer
Research Ecologist
USDA FS - Rocky Mountain Research Station, Shrub Sciences Laboratory
735 North 500 east
Provo, Utah 84606

Family Scientific Name: Polygonaceae
Family Common Name: Buckwheat family
Scientific Name: Eriogonum brevicaule
Common Name: Shortstem buckwheat
Species Code: ERIBRE
Ecotype: Utah 1790 to 1880m
General Distribution: E. brevicaule is found in the Middle Rocky Mountain states.
Propagation Goal: Plants
Propagation Method: Seed
Propagule Collection: E. brevicaule flowers in mid to late summer and seeds ripen in August, depending on elevation.
Propagule Processing: Seeds are cleaned by hand rubbing material through a 2 mm round hole screen. Caff is removed from seed by using a tabletop model blower.
Achenes are stored at 20 to 22C with 30 to 40% relative humidity in paper envelopes until mid October.
Achene mass averages 1.2 to 1.6 mg per 100 achenes.
Pre-Planting Treatments: 6 prechilling treatments were used: 0,2,4,8,12,16 and 24 weeks of moist chilling at 2C in the dark.
Growing Area Preparation/
Annual Practices for Perennial Crops:

Following chilling treatments, seeds were incubated 4 weeks under a daily temperature and photoperiod regime (12hr dark at 10C and 12hr light at 20C)with a cool flourescent light.
Achenes were placed in disposable petri plates on 2 blue germination blotter papers moistened with tap water. Blotter papers were re-moistened as needed.
Establishment Phase: Results and Discussion: Sees germinated to low percentages without prechilling (<20%), and generally had long chilling requirements(>12 wk for complete dormancy removal) and slow germination rates in the cold (>15 wk to 50%)
References: Chilling Requirements for seed germination of 10 Utah species of perennial wild buckwheat. Meyer SE and Paulsen A. Native Plants Journal, Spring 2000, 1(1):18-24.

Anonymous. 2001. Propagation protocol for production of Eriogonum brevicaule plants; USDA FS - Rocky Mountain Research Station, Shrub Sciences Laboratory, Provo, Utah. In: Native Plant Network. URL: http://www.nativeplantnetwork.org (accessed 4 September 2015). Moscow (ID): University of Idaho, College of Natural Resources, Forest Research Nursery.