The uptake of boron by Lemna minor

This study characterizes Lemna minor L. as a bio-accumulator of boron relative to other species of aquatic macrophytes. Laboratory experiments using 0.01, 0.11 and 1.01 mg B l −1 indicated that ambient boron was a determining factor in rate of boron accumulation in plant tissue. Field studies showed...

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Bibliographic Details
Published in:Aquatic botany 1978, Vol.4 (1), p.53-64
Main Authors: Glandon, Robert P., McNabb, Clarence D.
Format: Article
Language:English
Subjects:
plant biochemistry
plant physiology
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Summary:This study characterizes Lemna minor L. as a bio-accumulator of boron relative to other species of aquatic macrophytes. Laboratory experiments using 0.01, 0.11 and 1.01 mg B l −1 indicated that ambient boron was a determining factor in rate of boron accumulation in plant tissue. Field studies showed that the tissue boron concentration of L. minor, growing on the canopy of submerged Ceratophyllum demersum L. and presumably drawing from the same boron supply, was 10–45 times greater than the tissue boron concentration of C. demersum. In this instance, L. minor had a growing season maximum of near 3200 μg B g −1 ash-free dry weight. The laboratory and field data further suggest that growth rate and uptake rate are both important in determining the tissue concentration of boron.
ISSN:0304-3770
1879-1522
DOI:10.1016/0304-3770(78)90006-2