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    Author(s): S.J. Rowan
    Date: 1979
    Source: Res. Note SE-285. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.
    Publication Series: Research Note (RN)
    Station: Southeastern Forest Experiment Station
    PDF: View PDF  (118 KB)

    Description

    The susceptibility (percentage of seedlings infected) of Pinus taeda seedlings to infection by Cronartium quercuum f. sp. fusiforme was not affected by fertilization with calcium, magnesium, or aluminum-iron. Fertilization with Al as Al2(SO4)2,and Fe as FeCl2, however, significantly reduced seedling height growth during the first 8 weeks after seedling emergence and increased numbers of fusiform rust galls per unit of seedling height present at time of inoculation.

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    Citation

    Rowan, S.J. 1979. Effect of Calcium, Magnesium, and Aluminum-Iron on the Susceptibility of Loblolly Pine Seedlings to Fusiform Rust. Res. Note SE-285. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.

    Keywords

    Pinus taeda, Cronartium quercuum, rust testing, disease resistance.

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