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Wan Syafi'i
Universitas Riau
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REGULASI HORMONAL TERHADAP KOMPETENSI DAN PENENTUAN MORFOLOGI BUNGA: TELAAH LITERATUR TENTANG PERAN GIBBERELLIN DAN SITOKININ Retno Utari; Wan Syafi'i
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 4 (2025): Volume 10. No4, Desember 2025.
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i4.36883

Abstract

Flower development is a complex physiological process regulated by internal hormonal signals that determine meristem competence and the morphological identity of floral organs. This literature review synthesizes research findings related to the roles of gibberellin (GA) and cytokinin (CK) in the regulation of floral competence and the determination of flower morphology. The review method involved selecting relevant scientific articles from national journals using keywords associated with gibberellin, cytokinin, floral induction, floral meristem, and floral organ development. The analyzed studies indicate that GA plays a significant role in the transition from the vegetative to generative phase by modulating the expression of genes associated with flowering induction, as well as influencing internode elongation and floral organ identity. Meanwhile, CK contributes to promoting cell division, enhancing meristematic activity, and stimulating the initiation of floral primordia. Several findings also highlight the importance of GA–CK interactions in maintaining hormonal balance that governs the timing, structure, and developmental success of flowers. This review provides a comprehensive understanding of hormonal mechanisms in flower development and serves as a reference for further research in plant physiological regulation.
PERUBAHAN POLA INISIASI PRIMORDIA SELAMA PEMBUNGAAN: KAJIAN LITERATUR MEKANISME TRANSISI MERISTEM VEGETATIF KE REPRODUKTIF Nisa Aulia; Wan Syafi'i
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 4 (2025): Volume 10. No4, Desember 2025.
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i4.36884

Abstract

Flowering is an essential phase in the plant life cycle, influencing reproductive success and overall productivity. One of the earliest indicators of flowering is the formation of floral primordia, which emerge due to physiological changes and environmental influences. This literature review analyzes patterns of primordium initiation during the transition from vegetative to reproductive meristems by utilizing recent publications from the last five years. The meristem transition is influenced by interactions among genetic regulation, plant hormones, and environmental factors such as photoperiod, temperature, and nutrient availability. Floral primordium formation progresses through several morphological stages marked by changes in shoot apical meristem activity. The review highlights the significant roles of flowering regulatory genes and gibberellin hormones in initiating primordia. The findings offer deeper insights into flowering mechanisms and serve as a foundation for future research in plant physiology and breeding.
KOORDINASI HORMON TUMBUHAN DALAM MENGHADAPI STRES KEKERINGAN Meilani Wulandari; Wan Syafi'i
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 4 (2025): Volume 10. No4, Desember 2025.
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i4.36921

Abstract

Drought stress triggers complex physiological and molecular responses coordinated by plant hormones. This article aims to describe the hormonal interactions that regulate growth, water balance, and cellular protection during drought conditions. The study uses a literature review approach based on recent primary sources published in the last ten years. Findings indicate that abscisic acid (ABA) acts as the central regulator by inducing stomatal closure, modulating stress-responsive genes, and interacting with other hormones including auxin, cytokinin, ethylene, salicylic acid, and jasmonic acid. Auxin and cytokinin generally suppress drought tolerance by promoting growth processes; meanwhile, plants reduce the levels of both hormones during dehydration. Ethylene and jasmonic acid contribute to root architecture modification and stress signaling. The synergy among these hormones forms an adaptive network enabling plants to optimize water uptake, maintain cellular integrity, and adjust metabolism. The conclusion emphasizes that drought resilience is not controlled by a single hormone, but through dynamic, interconnected hormonal crosstalk that reprograms plant physiology under limited water availability.
Co-Authors Meilani Wulandari Nisa Aulia Retno Utari