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    Author(s): E. C. Stone; J. W. Duffield
    Date: 1950
    Source: Journal of Forestry, Vol. 48, No. 3: p.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (1.1 MB)


    A modified embryo culture technique was used to facilitate germination of seed obtained after pollinating sugar pine with pollen from blister rust- resistant Armand and Korean pines. Resulting seedlings appear to be hybrids.

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    Stone, E. C.; Duffield, J. W. 1950. Hybrids of sugar pine by embryo culture. Journal of Forestry, Vol. 48, No. 3: p.

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