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    Author(s): George A. Schier; Carolyn J. McQuattie
    Date: 2002
    Source: Journal of Plant Nutrition. 23(10): 1533-1545.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (665.37 KB)

    Description

    Manganese (Mn) toxicity may play an important role in the poor survival of seedlings in declining sugar maple (Acer saccharum Marsh.) stands in northern Pennsylvania. To determine the effect of Mn on the growth of sugar maple seedlings, 1-year-old seedlings inoculated with vesicular-arbuscular mycorrhizal (VAM) fungi and growing in sand-vermiculite-peat moss medium were irrigated for 7 weeks with nutrient solution (pH 5) containing 0.1 (control), 1, 2, 4, 8, or 16 mg L-1 Mn. Total seedling dry weight was negatively correlated with Mn, becoming significantly different than the control at 2 mg L-1 Mn. Stem and root dry weight were reduced by lower Mn levels than leaf dry weight. Manganese had no effect on the root/shoot ratio.

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    Citation

    Schier, George A.; McQuattie, Carolyn J. 2002. Effect of manganese on endomycorrhizal sugar maple seedlings. Journal of Plant Nutrition. 23(10): 1533-1545.

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