Abstract
Inhibition of root elongation rate was used to estimate the toxicity of methyl-Hg, Hg and Pb to spruce seedlings in nutrient solution. Methyl-Hg was found to be considerably more toxic than HgCl2, this was found to be due to its intrinsic toxicity and not a greater uptake into the roots. The toxicity of Pb was dependent upon the composition of the nutrient solution, a greater inhibition of root elongation was found in a nutrient poor artificial soil solution than in a full nutrient solution. The implications of these studies to spruce decline are discussed.
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Godbold, D.L., Hüttermann, A. The uptake and toxicity of mercury and lead to spruce (picea abifs karst. seedlings. Water Air Soil Pollut 31, 509–515 (1986). https://doi.org/10.1007/BF00630869
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DOI: https://doi.org/10.1007/BF00630869