Emerging into the world : regulation and control of dormancy and sprouting in geophytes

© The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink serv...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 75(2024), 19 vom: 16. Okt., Seite 6125-6141
1. Verfasser: Kumari, Nirupma (VerfasserIn)
Weitere Verfasser: Kumari Manhas, Sonali, Jose-Santhi, Joel, Kalia, Diksha, Sheikh, Firdous Rasool, Singh, Rajesh Kumar
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Review Hormonal paradormancy plasmodesmata quiescence sugar metabolism underground storage organs Plant Growth Regulators
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520 |a Geophytic plants synchronize growth and quiescence with the external environment to survive and thrive under changing seasons. Together with seasonal growth adaptation, dormancy and sprouting are critical factors determining crop yield and market supply, as various geophytes also serve as major food, floriculture, and ornamental crops. Dormancy in such crops determines crop availability in the market, as most of them are consumed during the dormant stage. On the other hand, uniform/maximal sprouting is crucial for maximum yield. Thus, dormancy and sprouting regulation have great economic importance. Dormancy-sprouting cycles in geophytes are regulated by genetic, exogenous (environmental), and endogenous (genetic, metabolic, hormonal, etc.) factors. Comparatively, the temperature is more dominant in regulating dormancy and sprouting in geophytes, unlike above-ground tissues, where both photoperiod and temperature control are involved. Despite huge economic importance, studies concerning the regulation of dormancy and sprouting are scarce in the majority of geophytes. To date, only a few molecular factors involved in the process have been suggested. Recently, omics studies on molecular and metabolic factors involved in dormancy and growth regulation of underground vegetative tissues have provided more insight into the mechanism. Here, we discuss current knowledge of the environmental and molecular regulation and control of dormancy and sprouting in geophytes, and discuss challenges/questions that need to be addressed in the future for crop improvement 
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650 4 |a underground storage organs 
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700 1 |a Kumari Manhas, Sonali  |e verfasserin  |4 aut 
700 1 |a Jose-Santhi, Joel  |e verfasserin  |4 aut 
700 1 |a Kalia, Diksha  |e verfasserin  |4 aut 
700 1 |a Sheikh, Firdous Rasool  |e verfasserin  |4 aut 
700 1 |a Singh, Rajesh Kumar  |e verfasserin  |4 aut 
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