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. 2024 Jan 11;194(4):2449–2471. doi: 10.1093/plphys/kiae014

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© The Author(s) 2024. Published by Oxford University Press on behalf of American Society of Plant Biologists.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 10. — Proposed model for the involvement of PsMYB306 in the regulation of tree peony bud dormancy. PsMYB306 participates in ABA biosynthesis by directly binding to the promoter of PsNCED3. ABA is antagonistic to GAs by affecting the transcription of GA pathway–associated PsKAO1, PsGA20ox1, and PsGA3ox1. The treatment with ABA rather than GAs upregulates PsMYB306 in tree peony buds. PsMYB306 plays a negative role in the regulation of bud dormancy release. Solid lines ending with arrows or short perpendicular lines represent positive or negative regulation, respectively.