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Journal of Plant Growth Regulation

, Volume 13, Issue 2, pp 59–62 | Cite as

Jasmonic acid and abscisic acid in shoots, coleoptiles, and roots of wheat seedlings

  • Wilfried Dathe
  • Andrew D. Parry
  • James K. Heald
  • Ian M. Scott
  • Otto Miersch
  • Roger Horgan
Article

Abstract

The endogenous levels of abscisic acid (ABA) and jasmonic acid (JA) were analyzed in wheat seedlings grown in water, a system which in the past has been used to test the effects of these plant growth inhibitors. The levels in different plant parts and in the medium were measured by gas chromatography-mass spectrometry-selected ion monitoring, using [2H3]ABA and [2H6]JA as internal standards. In every plant part, JA levels were about 2 orders of magnitude greater than those of ABA. The exudation of JA from roots per seedling was about 14,000-fold greater than that of ABA, although the roots contained only about 170 times more JA than ABA. It is suggested that JA is a possible allelopathic compound.

Keywords

Jasmonic Acid Wheat Seedling Methyl Jasmonate Plant Growth Inhibitor Coleoptile Length 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York Inc 1994

Authors and Affiliations

  • Wilfried Dathe
    • 1
  • Andrew D. Parry
    • 2
  • James K. Heald
    • 2
  • Ian M. Scott
    • 2
  • Otto Miersch
    • 1
  • Roger Horgan
    • 2
  1. 1.Institute of Plant BiochemistryHalle/SaaleGermany
  2. 2.Institute of Biological Sciences, Edward Llwyd Building, nUniversity of WalesAberystwythUK

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