Journal of Chemical Ecology

, Volume 27, Issue 2, pp 327–342

Effects of Salinity on Endogenous Aba, Iaa, Ja, and Sa in Iris hexagona

  • Yongyin Wang
  • Susan Mopper
  • Karl H. Hasenstein
Article
  • 652 Downloads

Abstract

Phytohormones play critical roles in regulating plant responses to stress. We investigated the effects of salinity on abscisic acid (ABA), indole-3-acetic acid (IAA), salicylic acid (SA), and jasmonic acid (JA) in leaves, stalks, fruits, and seeds of Iris hexagona, a native wetland species. Using gas chromatography–mass spectroscopy with selected ion monitoring, our experiments demonstrated significant and different shortand long-term changes in iris phytohormones. ABA and JA generally increased and IAA and SA declined in response to salinity. We conclude that these phytohormones may have separate and interactive effects on how plants respond and adapt to stress in natural environments.

Abscisic acid Iris hexagona jasmonic acid indole-3-acetic acid phytohormones salicylic acid salinity stress 

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Copyright information

© Plenum Publishing Corporation 2001

Authors and Affiliations

  • Yongyin Wang
    • 1
  • Susan Mopper
    • 1
  • Karl H. Hasenstein
    • 1
  1. 1.Biology DepartmentUniversity of Louisiana at LafayetteLafayette

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