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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Agro Bali: Agricultural Journal
Rindang Dwiyani
Udayana University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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GA3 and KCl Application as An Effort to Improve the Quality of Local Bali Grapes (Vitis vinifera L. var. Alphonso Lavallee) Julfikar Julfikar; Ida Ayu Putri Darmawati; Rindang Dwiyani; Made Sri Sumarniasih; Anak Agung Sugiarta; Ni Luh Made Pradnyawathi; Yuyun Fitriani; I Made Basma Redana
Jurnal Penelitian Pendidikan IPA Vol 11 No 12 (2025): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i12.12958

Abstract

The global demand for table grapes continues to rise, driven by consumer preference for sweet, high-quality, and seedless fruit. Local varieties such as Bali grape (Vitis vinifera L. var. Alphonso Lavallee) remain less competitive than imported grapes due to small berry size, high acidity, and seed presence. This study evaluated the optimal concentrations of gibberellic acid (GA3) and potassium chloride (KCl) and their interaction effects on Bali grape fruit quality. The experiment used a factorial randomized complete block design with two factors: GA3 at 0, 50, 100, and 150 ppm, and KCl at 0 and 300 g per plant, with five replications. The results showed that GA3 significantly affected all observed parameters. Application of GA3 at 150 ppm produced the longest clusters, largest berry diameter, highest berry weight, and greatest sugar content, while simultaneously reducing seed number and seed weight, indicating induced parthenocarpy. KCl application significantly increased sugar content and berry diameter but did not influence seed characteristics. A significant interaction between GA3 150 ppm and KCl 300 g per plant was observed, resulting in the highest number of berries per cluster and the highest sugar concentration. Combined GA3 and KCl application improved fruit quality and enhanced Bali grape competitiveness
Morphological Characterization and Phytochemical Analysis of Moringa Plant (Moringa oleifera L.) Different Altitudes in Bali Jeni Rambu Yaku Danga; I Nyoman Rai; Rindang Dwiyani
Agro Bali : Agricultural Journal Vol 8, No 2 (2025)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v8i2.1919

Abstract

The Moringa plant (Moringa oleifera L.) is a plant that has many benefits and has long been used by various groups throughout the world. Almost all parts of this magical plant can be used for multiple purposes. Moringa plants spread and adapt to different environments, increasing phenotypic and phytochemical diversity. The research was conducted at three altitudes in Bali, lowlands, medium, and highlands from December 2023–May 2024. The study was conducted to determine differences in morphological characters and phytochemical content of Moringa plants. This research used UPGMA analysis to determine the relationship based on morphological characters, flavonoids, tannins, and vitamin E using a UV-Vis Spectrophotometer, while the antioxidant activity test was carried out using the DPPH method. The results of the identification of morphological characters showed differences in qualitative characters, which were seen in leaf color and flower color, while quantitative characters were seen in leaf length, leaf thickness, pod length, and number of seeds. Nine Moringa accessions showed differences in phytochemical content. The highest flavonoid and vitamin E content in the lowlands are (599.961 mg QE/100 g) and (599.961 mg QE/100 g), tannins in the medium plains (368.140 mg TAE/100 g), and the highest IC50 in the highlands (54.94 ppm).
Co-Authors Anak Agung Sugiarta I Made Basma Redana I Nyoman Rai Ida Ayu Putri Darmawati Jeni Rambu Yaku Danga Julfikar Julfikar MADE SRI SUMARNIASIH Ni Luh Made Pradnyawathi Yuyun Fitriani