Use of a laser microprobe mass analyzer for detection of strontium incorporation in oxalate-crystals of Beta vulgaris leaf

Use of a laser microprobe mass analyzer for detection of strontium incorporation in oxalate-crystals of Beta vulgaris leaf

1995

A:PS

A laser microprobe mass analyser (LAMMA) was used to detect the cations in oxalate crystals. Oxalate crystals were isolated from sugarbeet grown in modified Hoagland's solutions containing different concentrations of Ca2+ and Sr2+. When sugarbeet was grown in the presence of Sr2+, all the crystals isolated from 5-week-old leaves contained Sr2+. The incorporation of Ca2+ and Sr2+ in oxalate crystals seemed to be a common feature. When sugarbeet was grown in the presence of 2.5 mM Ca2+ plus 2.5 mM Sr2+, the incorporation of Ca2+ in oxalate crystals was greater than that of Sr2+. Sr-deposition in oxalate crystals occurred even under extremely growth-inhibitory conditions i.e. in 5 mM Sr2+.

v.146(3):217-221, JOURNAL OF PLANT PHYSIOLOGY

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