Summary
Inhibition of elongation of oat coleoptile sections by La3+, Pr3+, and Nd3+ is similar to but greater than that by Ca2+ at low and intermediate concentrations. The lanthanons might serve as probes to learn more about the manner of action of Ca2+, a normal growth-regulating agent.
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Pickard, B.G. Comparison of calcium and lanthanon Ions in the Avena-coleoptile growth test. Planta 91, 314–320 (1970). https://doi.org/10.1007/BF00387504
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DOI: https://doi.org/10.1007/BF00387504