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.
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Wang, Y., Mopper, S. & Hasenstein, K.H. Effects of Salinity on Endogenous Aba, Iaa, Ja, and Sa in Iris hexagona. J Chem Ecol 27, 327–342 (2001). https://doi.org/10.1023/A:1005632506230
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DOI: https://doi.org/10.1023/A:1005632506230