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    Author(s): Philip C. Wakeley; O.O. Wells; T.E. Campbell
    Date: 1966
    Source: In: Joint Proceedings of the Second Genetics Workshop of the Society of American Foresters and the Seventh Lake States Forest Tree Improvement Conference; Res. Pap. NC-6. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. 78-79
    Publication Series: Research Paper (RP)
    Station: North Central Research Station
    PDF: View PDF  (403.7 KB)

    Description

    A simple method of mass-producing shortleaf x slash pine hybrids was attempted. Large quantities of slash pine pollen were spread on unbagged shortleaf flowers in the hope of recovering a high percentage of hybrid progeny and thus materially reducing the cost of producing such hybrids by conventional controlled pollination. The hybrid is very promising, but, as Snyder and Squillace (1965) have shown, seed yields from controlled pollinations have averaged only 8.5 sound seeds per cone.

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    Citation

    Wakeley, Philip C.; Wells, O.O.; Campbell, T.E. 1966. Mass production of shortleaf x slash pine hybrids by pollinating unbagged female flowers. In: Joint Proceedings of the Second Genetics Workshop of the Society of American Foresters and the Seventh Lake States Forest Tree Improvement Conference; Res. Pap. NC-6. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. 78-79

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