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Keywords:

  • Electron spin resonance;
  • manganese;
  • plant height;
  • wheat

Summary

Dry seeds of wheat (Triticum aestivum L.) subjected to electron spin resonance (ESR) spectroscopy show a characteristic sextet of Mn2+. Perchloric acid extracts of seeds also show a resolved hyperfine sextet of Mn2+. The Mna+ content of seeds show a direct linear relationship with the height of the wheat cultivars. The Mn2+ content of the seeds may be taken as a parameter to determine the height of the mature plant.