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Effect of Calcium, Magnesium, and Aluminum-Iron on the Susceptibility of Loblolly Pine Seedlings to Fusiform RustAuthor(s): S.J. Rowan
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
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DescriptionThe 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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CitationRowan, 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.
KeywordsPinus taeda, Cronartium quercuum, rust testing, disease resistance.
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