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    Author(s): Hans Nienstaedt
    Date: 1981
    Source: Research Note NC-265. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
    Publication Series: Research Note (RN)
    Station: North Central Research Station
    PDF: View PDF  (500.53 KB)

    Description

    White spruce seedlings--20, 19, 18, and 17 inches tall--were selected among 2-2 transplants; controls from the same beds averaged 7.7 inches tall. After 18 years in the field, the selected seedlings continued to have a 30 percent height growth advantage over the controls. This note discusses how to incorporate super spruce seedlings into a tree breeding program.

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    Citation

    Nienstaedt, Hans. 1981. "Super" Spruce Seedlings Continue Superior Growth for 18 Years. Research Note NC-265. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

    Keywords

    Picea glauca, juvenile selection, tree improvement and breeding, seed production areas, vegetative reproduction

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