Shoot δ15N correlates with genotype and salt stress in barley

L. L. Handley, D. Robinson, B. P. Forster, R. P. Ellis, C. M. Scrimgeour, D. C. Gordon, E. Nevo, J. A. Raven

Research output: Contribution to journalArticlepeer-review


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 δ15N. We believe this to be the first report of plant δ15N as a genetic trait. No mechanistic model is needed for use of δ15N as a trait in controlled studies; however, a qualitative model is suggested for further testing.

Original languageEnglish
Pages (from-to)100-102
Number of pages3
Issue number1
StatePublished - Jan 1997

Bibliographical note

Funding Information:
We thank G.R. Stewart, University of Queensland, Australia, T. Yoneyama, National Agriculture Research Center, Tsukuba, Japan and W. Powell for valuable discussions leading to this research. We also thank S. Holdhus, J. Wishart, P. Lawrence, A. Booth, H. Pakniyat, A. Wilson, R. Keith and M. White for technical help and W. Stein for isotope analyses. The research at SCRI was supported by the Scottish Office Agriculture~ Environment and Fisheries Department. Prof. Nevo's work was supported by the Israeli Discount Bank and the Ancel-Teicher Research Foundation.


  • Genetic variation
  • Hordeum
  • N natural abundance
  • Salt stress

ASJC Scopus subject areas

  • Genetics
  • Plant Science


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