Flower Production on Clonal Orchards at Oconto River Seed Orchard in Wisconsin
The Eastern Region, USDA Forest Service has been establishing and managing seed orchards to produce improved seed for the National Forests in the Lake States since 1969. This paper presents a review of the female flower production for the past 4 years in the white pine, white spruce, and black spruce clonal seed orchards.
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Author(s): J. G. Murphy, R. G. Miller
Publication: Tree Improvement and Genetics - Lake States Forest Tree Improvement Conference - 1977