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McCain DC, Markley JL. More manganese accumulates in maple sun leaves than in shade leaves. Plant Physiol. 1989;90(4):1417-21doi: 10.1104/pp.90.4.1417.
McCain, D. C., & Markley, J. L. (1989). More manganese accumulates in maple sun leaves than in shade leaves. Plant physiology, 90(4), 1417-21. https://doi.org/10.1104/pp.90.4.1417
McCain, D C, and Markley, J L. "More manganese accumulates in maple sun leaves than in shade leaves." Plant physiology vol. 90,4 (1989): 1417-21. doi: https://doi.org/10.1104/pp.90.4.1417
McCain DC, Markley JL. More manganese accumulates in maple sun leaves than in shade leaves. Plant Physiol. 1989 Aug;90(4):1417-21. doi: 10.1104/pp.90.4.1417. PMID: 16666945; PMCID: PMC1061905.
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Plant Physiol. 1989 Aug;90(4):1417-21. doi: 10.1104/pp.90.4.1417.

More manganese accumulates in maple sun leaves than in shade leaves.

Plant physiology

D C McCain, J L Markley

Affiliations

  1. Department of Chemistry, University of Southern Mississippi, Hattiesburg, Mississippi 39406.

PMID: 16666945 PMCID: PMC1061905 DOI: 10.1104/pp.90.4.1417

Abstract

Nuclear magnetic resonance and neutron activation analysis were used to measure manganese concentrations in leaves of Acer platanoides. Mn was found to accumulate in both the vacuoles and the chloroplasts, with more Mn (per unit area) in sun leaves than in shade leaves. No Mn was lost at senescence. Different seasonal patterns of Mn accumulation were found in sun and shade leaves. The quantity of chloroplast reserve Mn (bound to the outer surface of thylakoid membranes) increased rapidly in sun leaves from bud-break through midsummer, and then remained approximately constant through senescence. In shade leaves, however, the quantity of reserve Mn increased slowly, and at approximately a constant rate throughout the growing season.

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