Shoot δ15N correlates with genotype and salt stress in barley

  title={Shoot δ15N correlates with genotype and salt stress in barley},
  author={Linda L. Handley and D Robinson and Brian Peter Forster and Roger P. Ellis and Charlie M. Scrimgeour and Dr. D. C. Gordon and Eviatar Nevo and John A Raven},
Given a uniform N source, the δ15N of barley shoots provided a genotypic range within treatments and a separation between control and salt-stress treatments as great as did δ13C*. Plant δ15N has been represented in the literature as a bioassay of external source δ15N and used to infer soil N sources, thus precluding consideration of the plant as a major cause in determining its own 815N. We believe this to be the first report of plant δ15N as a genetic trait. No mechanistic model is needed for… CONTINUE READING
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