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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Salix (sericea)

Randall Lester
Assistant Manager
USDA NRCS - Appalachian Plant Materials Center
P.O. Box 390
Alderson, West Virginia 24910
304-445-3005
304-445-7049 (fax)
randall.lester@wv.usda.gov
http://plant-materials.nrcs.usda.gov/wvpmc

Family Scientific Name: Salicaceae
Family Common Name: Willow family
Scientific Name: Salix sericea
Common Name: Silky willow
Species Code: SASE
Ecotype: Monongahela National Forest
General Distribution: Widely distributed in the eastern half of the US and eastern Canada.
Known Invasiveness: Not known to be invasive.
Propagation Goal: Cuttings
Propagation Method: Vegetative
ProductType: Container (plug)
Time To Grow: 1 year
Target Specifications: A well developed plant suitable for transplanting by hand with at least 12" top growth and a healthy root system.
Propagule Collection: Healthy whips of silky willow were collected in the spring from within the boundaries of the Monongahela National Forest near Bartow, WV.
Propagule Processing: Whips were placed in a large cooler to protect them from drying out and temperature changes before being processed. Once back at the greenhouse, the whips were cut into 8" long sections. The bottom of each section was cut at an angle to make sure it was oriented properly when planted.
Pre-Planting Treatments: The bottom end of each cutting was dipped in a solution of Dip N Grow rooting hormone. The solution was made by combining 1 part liquid rooting compound with 10 parts water. This is the ratio typically used for medium hardwoods cuttings.
Growing Area Preparation/
Annual Practices for Perennial Crops:
A mist table in the greenhouse was prepared by covering the top of the table with clear plastic and creating sides to hold the growing media using 2" x 4" boards. Once prepared, equal parts of perlite and coarse sand, by volume, were added to a depth of 3 1/2". The perlite and sand mixture was wetted thoroughly before being planted.
Establishment Phase: The silky willow cuttings were placed upright into the perlite and sand growing media. They were inserted to a depth of about 3".
Length of Establishment Phase: 2 months
Active Growth Phase: The silky willows were kept in the mist table until they developed adequate root systems sufficient enough to allow them to be transplanted. They were then transplanted into 1 gallon containers filled with Metro-Mix 510 growing media.
Length of Active Growth Phase: 9 months
Hardening Phase: Plants were placed in the shade house to allow for plant hardening.
Length of Hardening Phase: 1 month
Harvesting, Storage and Shipping: Plants with sufficient top growth and root development were shipped back to the Monongahela National Forest for transplanting. Trailer was covered with tarps to prevent excessive wind burn.
Length of Storage: 1 day
Outplanting performance on typical sites: Silky willows prefer moist soil and are commonly found along streams, rivers and in springy places. They perform best in full sunlight but can tolerate some shading.

Citation:

Lester, Randall; Vandevender, John. 2018. Propagation protocol for production of Container (plug) Salix sericea Cuttings USDA NRCS - Appalachian Plant Materials Center Alderson, West Virginia. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/01). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.