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Reliable Method for Assessing Seed Germination, Dormancy, and Mortality under Field Conditions

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Published on: November 6, 2016

ABA and Bud Dormancy in Perennials: Current Knowledge and Future Perspective.

Wenqiang Pan¹, Jiahui Liang¹, Juanjuan Sui²

¹Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture and Landscape Architecture, China Agricultural University, Beijing 100193, China.

|October 23, 2021

Summary

Bud dormancy, crucial for perennial survival in harsh climates, is regulated by abscisic acid (ABA) and environmental cues. Recent research integrates genetics and omics to uncover complex hormonal interactions and epigenetic mechanisms.

Keywords:

ABA bud dormancy epigenetics hormone perennials sucrose

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Area of Science:

Plant Physiology
Molecular Biology
Environmental Adaptation

Background:

Bud dormancy is a key adaptive trait in perennials, enabling survival in adverse environmental conditions.
Abscisic acid (ABA) is a critical plant hormone regulating dormancy, influencing flowering, crop yield, and growth.
Understanding bud dormancy is vital for perennial crop management and ecological studies.

Purpose of the Study:

To review current knowledge on the regulation of bud dormancy.
To highlight the roles of ABA, environmental signals, and other hormones in dormancy.
To discuss emerging mechanisms, including epigenetic regulation.

Main Methods:

Literature review integrating genetics, omics, and bioinformatics findings.
Analysis of hormonal interactions, particularly ABA and sucrose.
Exploration of epigenetic modifications in dormancy.

Main Results:

ABA acts as a major regulator of bud dormancy, influenced by environmental signals.
Interplay between ABA, other hormones, and sucrose is crucial for dormancy control.
Epigenetic mechanisms are emerging as important factors in regulating bud dormancy.

Conclusions:

Bud dormancy is a complex process regulated by ABA, environmental factors, and hormonal crosstalk.
Epigenetic regulation offers a new perspective on understanding and potentially manipulating bud dormancy.
Further research integrating molecular and environmental data is needed to fully elucidate dormancy mechanisms.