The "minibag" made from sausage bag material was developed to produce controlled pollinations on young grafts. One or two cone buds could be pollinated without damaging the developing graft. Dorena seed orchard, early 1960s. Cottage Grove, Oregon.
Photo and caption by: Jerry Barnes
Date: c.1964
Credit: USDA Forest Service, Region 6, Dorena Genetic Resource Center.
Source: Gerald Barnes collection; courtesy Richard Sniezko, Cottage Grove, Oregon.
Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for five-needled pines and Port-Orford-cedar, a native plant development program, and the National Tree Climbing Program.
To learn more about the history of the DGRC, see:
www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme... For additional photos of the DGRC program, see:
www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme... Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth
