Abiotic Stress Research Glossary
564 terms total — 5 showing — Last updated 26 Oct 2026
Leaf rolling phenotype
The physical curling or rolling of leaf margins inward as a mechanical response to water deficit, reducing exposed leaf surface area and transpiration rate. This visible morphological adaptation appears as an early stress symptom in many grass and crop species.
Abscisic acid (ABA)
A plant hormone that regulates stress responses, particularly by promoting stomatal closure and reducing water loss duri...
Abscisic acid (ABA) accumulation
The increased biosynthesis and cellular concentration of abscisic acid, a plant hormone that mediates stress-responsive...
Abscisic acid (ABA) signaling
The signal transduction pathway involving the plant hormone abscisic acid, which mediates stress responses including sto...
abscisic acid (ABA) signaling cascade
The intracellular signal transduction pathway triggered by abscisic acid hormones, involving receptor activation, second...
Abscisic acid (ABA) signaling pathway
The cascade of molecular events initiated by abscisic acid hormone binding to cellular receptors, which regulates multip...