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asyim As'ari
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PROGRAM STUDI BIOLOGI, FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM, UNIVERSITAS PGRI BANYUWANGI Jn. Ikan Tongkol No. 22 Kertosari Banyuwangi
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Kab. banyuwangi,
Jawa timur
INDONESIA
Jurnal Biosense
Published by Universitas PGRI Banyuwangi
ISSN : -     EISSN : 26226286     DOI : https://doi.org/10.36526/biosense.v6i01.2010
Core Subject : Health, Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Public Health
Jurnal Biosense menitikberatkan pada publikasi hasil penelitian biologi dan ilmu terapan bidang biologi. Artikel ilmiah dalam lingkup biologi yang meliputi: botani, zoologi, mikrobiologi, genetika, fisiologi, dan konservasi, sedangkan lingkup ilmu terapan biologi meliputi: Kesehatan/kedokteran, Pertanian, dan perikanan. Artikel yang dipublikasikan adalah artikel hasil penelitian, kajian ilmiah kritis dan komprehensif tentang isu-isu penting dan uraian tugas.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 242 Documents
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The PENGARUH KESUBURAN DAN MIKROKLIMAT TERHADAP KEANEKARAGAMAN GULMA DI KEBUN KOPI POLITEKNIK NEGERI JEMBER Setyo Andi Nugroho; Ahmad Renald Rahman Syah; Rudi Wardana; Devina Cinantya Anindita; Ni Nengah Putri Adnyani
JURNAL BIOSENSE Vol 9 No 4 (2026): Edisi Oktober 2026
Publisher : Universitas PGRI Banyuwangi, Jalan Ikan Tongkol No 01, Telp (0333) 421593, 428592 Banyuwangi 68416

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/biosense.v9i4.9771

Abstract

Kompetisi gulma menjadi salah satu faktor penurunan produksi kopi Indonesia, yang turun 1,43% pada 2022 dan kembali menurun 2,10% pada 2023.Penelitian ini bertujuan untuk menganalisis pengaruh kesuburan tanah dan iklim mikro tanah terhadap keragaman gulmadi Kebun Koleksi Kopi Politeknik Jember. Penelitian dilaksanakan pada Mei hingga Agustus 2026 menggunakan pendekatan eksploratif sekuensial. Parameter kesuburan tanah yang diukur meliputi indeks kesuburan tanah dan pH tanah. Parameter iklim mikro tanah yang diukur meliputi suhu tanah, kelembaban tanah, intensitas cahaya, suhu udara, dan kelembaban udara. Analisis vegetasi dilakukan menggunakan kuadrat 1 m × 1 m pada 15 titik pengamatan untuk mengukur kerapatan dan frekuensi dan menghitung Indeks Nilai Penting (INP). Gulma dominan diekstraksi melalui maserasi etanol 96% dan diuji fitokimia untuk mendeteksi senyawa alelokimia. Hasil penelitian menunjukkan kesuburan tanah dari 8 hingga 497 µS/cm, pH 7, suhu tanah berkisar 27,3–28,7°C, kelembaban tanah 0–56%, intensitas cahaya 2.236–26.610 lux, suhu udara 25–27°C, dan kelembaban udara 69–81%. Analisis vegetasi menemukan 13 spesies gulma dari 9 famili dengan Asystasia gangetica sebagai spesies paling dominan (INP 68,55). Uji fitokimia mengonfirmasi bahwa ekstrak A. gangetica mengandung flavonoid (30,95 mg QE/100g), tanin (11,68 mg GAE/100g), dan fenolik (14,13 mg GAE/100g). Abstract Weed competition is one of the factors contributing to the decline in coffee production in Indonesia, which decreased by 1.43% in 2022 and further declined by 2.10% in 2023. This study aimed to analyze the effects of soil fertility and microclimatic conditions on weed diversity in the Coffee Collection Garden of Politeknik Negeri Jember. The study was conducted from May to August 2026 using a sequential exploratory approach. Soil fertility parameters included the soil fertility index and soil pH, while microclimatic parameters comprised soil temperature, soil moisture, light intensity, air temperature, and relative humidity. Weed vegetation was analyzed using 1 m × 1 m quadrats at 15 sampling points to determine density, frequency, and the Importance Value Index (IVI). The dominant weed species was extracted by maceration using 96% ethanol and subjected to phytochemical screening to detect potential allelochemical compounds. The results showed that soil fertility ranged from 8 to 497 µS/cm, with a soil pH of 7. Soil temperature ranged from 27.3 to 28.7°C, soil moisture from 0 to 56%, light intensity from 2,236 to 26,610 lux, air temperature from 25 to 27°C, and relative humidity from 69 to 81%. Vegetation analysis identified 13 weed species belonging to nine families, with Asystasia gangetica as the most dominant species (IVI = 68.55). Phytochemical analysis confirmed that A. gangetica extract contained flavonoids (30.95 mg QE/100 g), tannins (11.68 mg GAE/100 g), and phenolic compounds (14.13 mg GAE/100 g).
ETHNOBOTANICAL STUDY OF PLANT-BASED NATURAL PRESERVATIVES AND COLORANTS FOR SUSTAINABLE PRACTICES IN BLITAR, INDONESIA Marinda Sari Sofiyana; Mar'atus Sholihah; Alfiana Ika Anggraini
JURNAL BIOSENSE Vol 9 No 4 (2026): Edisi Oktober 2026
Publisher : Universitas PGRI Banyuwangi, Jalan Ikan Tongkol No 01, Telp (0333) 421593, 428592 Banyuwangi 68416

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/biosense.v9i4.9872

Abstract

This study investigated the ethnobotanical use of plants as natural preservatives and colorants in food and textile applications in Blitar, Indonesia. An exploratory ethnobotanical survey using qualitative and quantitative approaches involved 30 informants through field observations, semi-structured interviews, and documentation. A total of 15 plant species belonging to 13 families were documented for food preservation, food coloration, and ecoprint dyeing. Leaves were the most frequently utilized plant parts (33.3%), followed by flowers, stems or bark, and fruits (20% each), while tuber accounted for 6.7%. Use Value (UV), calculated from informant reports, ranged from 0.13 to 0.70. Allium sativum and Pandanus amaryllifolius recorded the highest UV values (0.70), whereas Rhizophora apiculata had the lowest (0.13). The Informant Consensus Factor (ICF) was 0.94 for natural preservatives, 0.94 for food colorants, and 0.92 for ecoprint dyes, indicating substantial agreement among informants regarding plant use. Reported phytochemical compounds included eugenol, allicin, tannins, flavonoids, anthocyanins, and carotenoids, based on published literature. These findings highlight the continued relevance of local ethnobotanical knowledge and the potential of plant-based preservatives and colorants as locally adapted alternatives to synthetic additives and dyes, supporting further research into sustainable resource utilization and biodiversity conservation.

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