alexa Effects of salinity on endogenous ABA, IAA, JA, AND SA in Iris hexagona.


Journal of Plant Biochemistry & Physiology

Author(s): Wang Y, Mopper S, Hasenstein KH

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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 short- and 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.
This article was published in J Chem Ecol and referenced in Journal of Plant Biochemistry & Physiology

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