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    Author(s): W. B. Critchfield; B. B. Kinloch
    Date: 1986
    Source: Silvae Genetica 35 (1986): p. 138-145
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (2.5 MB)

    Description

    Unlike most white pines, sugar pine (Pinus lambertiana) is severely restricted in its ability to hybridize with other species. It has not been successfully crossed with any other North American white pine, nor with those Eurasian white pines it most closely resembles. Crosses with the dissimilar P. koraiensis and P. armandii, both native to eastern Asia, have produced one and a few hybrids respectively. These Asian species are highly resistant to white pine blister rust (Cronartium ribicola), and hybrids and hybrid derivatives of sugar pine X P. armandii show some enhancement of resistance to this disease.

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    Citation

    Critchfield, W. B.; Kinloch, B. B. 1986. Sugar pine and its hybrids. Silvae Genetica 35 (1986): p. 138-145

    Keywords

    Pinus lambertiana, white pines, blister rust, Cronartium ribicola, resistance

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