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    Author(s): Everette D. Rast; Robert L. Brisbin; Robert L. Brisbin
    Date: 1987
    Source: Northern Journal of Applied Forestry. 4: 26-28.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (315.27 KB)


    Severe late spring frosts can kill new shoots and leaves on commercial tree species at higher elevations. A previous short-term study has shown that the resulting defoliation and dieback does not seriously affect the radial growth or mortality of most species except American beech. In this study we found that defoliation, dieback, and radial growth increment were related to species and crown class. The radial growth increment of American beech was reduced to 70% of the previous 6-yr growth during the first year after the frost. The annual growth then increased consistently over the measurement period. Black cherry and sugar maple radial increment was only reduced to 88% of the previous 6-yr growth, but subsequent increments were much more variable. Epicormic branching on the lower bole of black cherry and beech increased significantly after defoliation occurred. At elevations above 3,200 ft, managers should discourage beech regeneration if timber production is the primary management objective. The potential for higher value products may bereduced because of increased variability ingrowth rate.

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    Rast, Everette D.; Brisbin, Robert L. 1987. Six-Year Effects of Two Late Spring Frosts on Appalachian Hardwoods. Northern Journal of Applied Forestry. 4: 26-28.

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