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Agung Suharyanto
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Jurnal Ilmiah Biologi UMA (JIBIOMA)
Published by Universitas Medan Area
ISSN : -     EISSN : 27229777     DOI : 10.31289
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Jurnal Ilmiah Biologi UMA (JIBIOMA) focuses on the publication of the results of scientific research related to fields. This article is published in the internal and external academic community of the University of Medan Area (UMA) especially in the field of Biology. Published articles are the results of research articles, studies or critical and comprehensive scientific studies on important issues related to the field of biology. Publication in May and November.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 103 Documents
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Dinamika Populasi Azotobacter pada Tanah Ultisol Pertanaman Nanas: Pengaruh Kedalaman Bajak dan Jenis Kompos Sumardi, Sumardi; Ramadhani, Winih Sekaringtyas; Handayani, Kusuma; Triyono, Sugeng; Dermiyati, Dermiyati; Yusnaini, Sri; Pamela, Ahmad Bintang
Jurnal Ilmiah Biologi UMA (JIBIOMA) Vol 7, No 2 (2025): November 2025
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jibioma.v7i2.5702

Abstract

The decline in pineapple production in Lampung Tengah regency occurred in 2023, where the decline reached 16.4% of the pineapple production in 2022 (8.6 million quintals). The decline in pineapple production came from PT Great Giant Pineapple (PT GGP), with the problem of accumulation of pineapple plant litter polymers on ultisol land. The solution that emerged was the adding of biochar, vermicompost and Azotobacter (LOB), with various plowing depth. The aim of this research was to determine the dynamics of Azotobacter population (log CFU g-1) in the ultisol soil of PT GGP’s pineapple plantations which were influenced by plowing depth, compost mixture and interaction between them. The supporting variables were the temperature (0C), water content (%), pH and soil organic carbon (%). Data analysis included ANOVA (α 5%), Tukey’s HSD Test (α 5%) and Pearson R Test (α 1%). The results showed that the Azotobacter population in pre-planting (PT) samples differed significantly between plowing depth, compost mixture and the interaction of the two factors. Deep plow treatment (± 40 cm) with finely chopped pineapple litter (L1) and application of premium GGP’s compost + LOB (P3) was the best treatment, with 4,96 log CFU g-1 Azotobacter population. Azotobacter population correlated not significantly with any supporting variables.
Kandungan Metabolit pada Planlet Tebu (Saccharum officinarum L.) pada Perbedaan Media dan Frekuensi Subkultur Marhamah, Yualinda Durotul; Kusdianti, Kusdianti; Surakusumah, Wahyu
Jurnal Ilmiah Biologi UMA (JIBIOMA) Vol 7, No 2 (2025): November 2025
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jibioma.v7i2.6509

Abstract

Sugarcane has been widely used to treat various diseases due to its metabolite content. Tissue culture is one method that can be used to produce metabolites and is an alternative biotechnology as a conservation strategy. This study aims to analyze the differences in metabolite content in sugarcane plantlets cultured with different media and subculture frequencies. Plantlets were extracted using the maceration method with 70% p.a. ethanol solvent. Metabolite analysis was carried out using a Gas Chromatography-Mass Spectrometry (GC-MS) instrument. Metabolite identification was carried out based on the NIST library. The results showed that the 10th subculture of sugarcane plantlets cultured on MS+Kinetin+Coconut Water media contained 5 metabolites, while the 11th subculture of plantlets cultured on MS+Kinetin+Tidiazuron media contained 7 metabolites. Differences in the type and number of metabolites indicate the influence of culture conditions on the metabolite profile of the plantlets. This study provides an initial overview of the potential of sugarcane tissue culture in the production of secondary metabolites.
Kajian Etnobotani Tumbuhan Obat oleh Etnis Melayu di Desa Bagan Percut, Sumatera Utara Banurea, Aisyah; Susilo, Ferdinand; Nasution, Jamilah; Rahmiati, Rahmiati; Riyanto, Riyanto
Jurnal Ilmiah Biologi UMA (JIBIOMA) Vol 7, No 2 (2025): November 2025
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jibioma.v7i2.6650

Abstract

Medicinal plants have long been used in traditional medicine as part of healing and disease prevention practices. The Malay ethnic group possesses inherited ethnobotanical knowledge regarding the use of medicinal plants. This study aims to identify the types of plants used as medicine and their applications by the Malay community in Bagan Percut Village, Percut Sei Tuan District, Deli Serdang Regency, North Sumatra. A qualitative and quantitative descriptive approach was employed through interviews with 50 respondents and 10 key informants possessing local knowledge of medicinal plants. The results revealed 65 medicinal plant species belonging to 35 sukues, with the dominant ones being Zingiberaceae (6 species), Solanaceae (5 species), and Fabaceae (5 species). The most frequently used plant parts were leaves (46%), fruits (28%), and rhizomes (9%). The most common method of preparation was boiling (29%), while the most common mode of use was oral consumption (48%). Herbaceous plants constituted the most utilized growth form (31%). The purposes of plant utilization included treatment (61.53%), care (24.6%), and general health improvement (13.8%). This study highlights the importance of preserving traditional ethnobotanical knowledge among the Malay community.

Page 11 of 11 | Total Record : 103

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