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ISSN 2063-5346
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GIBBERELLIC ACID: PHYSIOLOGICAL ROLES AND PHYTOHORMONAL INTERPLAY

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Rashmi Mathur
» doi: 10.48047/ecb/2023.12.si4.1455

Abstract

Major developmental processes such as the germination of seeds and ensuing establishment of seedlings are tightly controlled at the transcriptional and translational levels, involving exceedingly complicated changes in physiological conditions. Seeds go from a condition of relative inactivity to intense activity through the action of phytohormones such as gibberellic acid or GA and abscisic acid or ABA. It has been extensively documented and widely accepted that numerous functions within plants are influenced by phytohormones and that the ultimate resulting effect hugely depends on the precise hormonal amalgamation interplay as opposed to the functionality associated with individual plant hormones. This means that the results of plant hormone action depend on a unique hormonal combination as opposed to the actions of each hormone independently. In the last 20 years, many aspects of the channels for transmitting signals of different phytohormones have been elucidated. This has led to the discovery of parts of or full cascading mechanisms. These results offer a foundation of framework, needed to start figuring out how different hormone signal transduction pathways talk to each other. This kind of cross-talk includes a multitude of processes that work at both the hormone sensitivity and at metabolic level, making an intricate system of responses. The research and understanding of gibberellins (GAs) has significant implications in both agriculture and horticulture for plants’ ability to adapt to changing environmental stress. In this review, the focus is on how gibberellin works in conjunction with other plant growth promoters and plant growth inhibitors

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