In this article:
Changes in abscisic acid, phaseic acid, stomatal resistance, water potential, osmotic potential, turgor potential, proline, reducing sugars and ion content in leaves from grapevines (Vitis vinifera L.) subjected to different levels of NaCl were monitored over a three week period.
The time course of events for the salt-stressed grapevines in which an upsurge in ABA preceded the accumulation of osmotically active components supports the notion that ABA stimulates cellular osmotic adjustment processes.
It appears that once osmotic readjustment has been set into motion, the ABA signal decays towards prestress levels.
Abscisic Acid Content and Osmotic Relations of Salt Stressed Grapevine Leaves
1981, Australian Journal of Plant Physiology, vol 8, pages 443-452
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