Distinct silicon and germanium pathways in the soil-plant system: Evidence from banana and horsetail

  title={Distinct silicon and germanium pathways in the soil-plant system: Evidence from banana and horsetail},
  author={C. Delvigne and S. Opfergelt and D. Cardinal and B. Delvaux and L. Andr{\'e}},
  journal={Journal of Geophysical Research},
  • C. Delvigne, S. Opfergelt, +2 authors L. André
  • Published 2009
  • Geology
  • Journal of Geophysical Research
  • Plants strongly impact the continental silicon cycle by taking up Si and precipitating opal phytoliths which are recycled into the soil. Studying Ge incorporation, a chemical analog of Si, relative to Si may provide a useful tracer of Si pathways. However, Ge uptake and transport through plants and the impact on Ge/Si of phytoliths remain poorly understood. Here, we report Ge uptake and accumulation and Ge/Si fractionation in all plant parts and solutions from: (1) hydroponic banana, (2) in… CONTINUE READING
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