Abscisic acid is responsible for the process of abscission in plants.
Is it true that Abscisic acid is responsible for the process of abscission in plants?
Yes. Abscisic acid plays a significant role in mediating plant organ abscission, often acting alongside other hormones to trigger or modulate the shedding of leaves, flowers, and fruits under stress or developmental cues.
Verdict: SUPPORTED · 5 sources for, 0 against · Last checked
Multiple studies across various plant species confirm the involvement of abscisic acid in the regulation and promotion of abscission processes, particularly under environmental stress. There are no refuting papers in the provided set.
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Gomez-Cadenas, A., Tadeo, F. R., Talon, M., & Primo-Millo, E. (1996). Leaf Abscission Induced by Ethylene in Water-Stressed Intact Seedlings of Cleopatra Mandarin Requires Previous Abscisic Acid Accumulation in Roots. doi.org. https://doi.org/10.1104/pp.112.1.401
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R, Y., B, X., B, W., Z, W., W, Z., T, L., F, Z., Q, Z., Y, W., & P, L. (2025). Transcriptional Regulation and WGCNA Studies of Leaf Abscission in Cotton Cultivars FU75 and 518-48 Under Chemical Defoliant Treatment.. doi.org. https://doi.org/10.3390/biology15010074
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H, Z., L, Z., X, Z., Y, D., & X, Y. (2025). Transcriptomic analysis reveals key genes and pathways involved in fruit abscission of Epimedium pubescens.. doi.org. https://doi.org/10.1186/s12870-025-07826-7
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S, Z., Y, S., X, Z., & Z, D. (2026). The Role of Endogenous Hormones in Regulating Early Development of Stone Fruit.. doi.org. https://doi.org/10.3390/plants15060890
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H, T., H, Z., J, X., J, L., X, W., & Y, L. (2026). Histological characteristics, hydrolytic enzyme activity, and changes in plant hormones during the seed-shedding process in two Bromus catharticus Vahl.. doi.org. https://doi.org/10.1186/s12870-026-08858-3
What does the evidence say?
Multiple studies across various plant species confirm the involvement of abscisic acid in the regulation and promotion of abscission processes, particularly under environmental stress. There are no refuting papers in the provided set.
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