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All Journal Jurnal Agrotek Tropika Agro Bali: Agricultural Journal
Rindang Dwiyani
Fakultas Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry

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The Effect of Application of Diplazium Esculentum Leaf Extracts and GA3 on the Berry Quality of Grape (Vitis Vinifera L.) Cultivar of ‘Prabu Bestari’ I Nyoman Gede Astawa; Rindang Dwiyani; Ni Nyoman Ari Mayadewi; Prila Kartika Manulang; Anak Agung Made Astiningsih
Agro Bali : Agricultural Journal Vol 6, No 2 (2023)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v6i2.1218

Abstract

This study investigated the effect of extract of Diplazium esculentum leaves and GA3 on the berry quality of Vitis vinifera c.v. Prabu Bestari. The objective of this research was to find out the effect of the application of D. esculentum leaf Extract and GA3 on the berry quality of grape c.v. Prabu Bestari. This study was conducted in the Vineyard at the Experimental Station of the Faculty of Agriculture, Udayana University during April to October 2021. A total of five different treatments were applied on inflorescences of grape (by dipping them), i.e. T0= control, only distilled water; T1 = 200 cc leaf extract was diluted with distilled water in to 1 L (200 cc L-1); T2=400 cc L-1; T3 = 600 cc L-1; T4= 500 ppm GA3 (as control positive). There were five treatments arranged in a randomized block design with 6 repetition.  The results showed that all treatments were not able to induce seedless, as seeds still presented inside berries, however, the number of seeds in the treatment of 500 ppm GA3 reduced significantly compared to other treatments.  Weight per seed decreased significantly at 400 cc L-1 D. esculentum extract, 600 cc L-1 D esculentum extract and 500 ppm GA3.
MORPHOLOGICAL IDENTIFICATION, PHYTOCHEMICAL ANALYSIS, AND UTILIZATION POTENTIAL OF Gomphrena globosa L. FROM BALI Ni Luh Made Pradnyawathi; Rindang Dwiyani
Jurnal Agrotek Tropika Vol. 14 No. 3 (2026): JURNAL AGROTEK TROPIKA VOL 14, AGUSTUS 2026
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v14i3.11411

Abstract

This study aims to evaluate the morphological characteristics and phytochemical content of the purple phenotype of G. globosa growing in two different locations: Denbantas Vilage (Tabanan Regency) and Kesiman Kertalangu Vilage (Denpasar City). Samples were collected using purposive sampling, while morphological analysis was based on Tjitrosoepomo's (2013) description. Compound analysis was conducted using  gas chromatography-mass spectrometry (GC-MS). Morphologically, although the flower and leaf structures are similar, notable differences were found in stem color and leaf surface texture. Phytochemical analysis revealed that the Denbantas sample contained a dominance of saturated fatty acids such as n-Hexadecanoic acid, Hexadecanoic acid ethyl ester, and Tetradecanoic acid ethyl ester, which are known to have antibacterial, anti-inflammatory, and antioxidant activities. The detection of Butylated Hydroxytoluene (BHT), a synthetic antioxidant, indicated potential protection against lipid peroxidation. Conversely, Kesiman Kertalangu  samples contain volatile and phenolic compounds such as acetic acid, 2-Methoxy-4-vinylphenol, as well as heterocyclic compounds such as 2-Ethylacridine and Indolizine, which function as antitumor and antimicrobial agents. The presence of toxic compounds such as arsenous acid and tris(trimethylsilyl) ester indicates potential heavy metal contamination from the environment. These variations chemical polymorphism influenced by genetic, geographical, and ecological factors. findings  the potential of G. globosa as a source of natural bioactive compounds and cosmetics; however, further studies are needed on toxicological safety and the environmental impact on the accumulation of secondary metabolites.
Co-Authors Anak Agung Made Astiningsih I Nyoman Gede Astawa Ni Luh Made Pradnyawathi NI NYOMAN ARI MAYADEWI Prila Kartika Manulang