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All Journal Jurnal Akuakultur Indonesia Jurnal Perikanan
Samsu Adi Rahman
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Agriculture, Biological Sciences & Forestry

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Pengenceran Cairan Fermentasi Bonggol Pisang (Musa paradisiaca) Untuk Meningkatkan Pertumbuhan Rumput Laut Kappaphycus alvarezii Samsu Adi Rahman; Muhammad Safir; Akbar Marzuki Tahya
Jurnal Perikanan Unram Vol 14 No 2 (2024): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v14i2.814

Abstract

Fermented liquid from banana weevils is a fermentation product involving banana weevils and microorganisms originating from the banana weevil itself. This fermented liquid contains nutrients and other compounds that have the potential to stimulate growth and control disease in seaweed. The aim of this research is to determine the effectiveness of administering banana weevil fermented liquid on the growth of Kappaphycus alvarezii seaweed. This research was carried out in the waters of Jayabakti Village, Pagimana District, Banggai Regency. This study used a completely randomized design with four treatments and three replications, namely A (control), B (1 L fermentation liquid/50 L seawater), C (1 L fermentation liquid/100 L seawater), and D (1 L fermentation liquid/150 L seawater). The test seaweed is immersed for one hour according to the dilution of each treatment. The parameters observed include absolute growth, daily specific growth, and water quality. The results showed that the dose of banana weevil fermentation liquid significantly affected the growth of seaweed. The highest average growth value was achieved in treatment B (1 L fermentation liquid/50 L seawater) with a daily growth rate of 3.07 ± 0.04% and absolute growth of 90.48 ± 1.51 g. This research shows that immersion in fermentation liquid in fermentation liquid for one hour can increase seaweed growth, with the best results at a dilution of 1 L of fermentation liquid/50 L of seawater.
Karakterisasi cairan fermentasi daun mangrove Avicennia marina dan daya hambatnya terhadap bakteri penyebab penyakit ice-ice Samsu Adi Rahman; Sukenda; Widanarni; Alimuddin; Julie Ekasari
Jurnal Akuakultur Indonesia Vol. 19 No. 1 (2020): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3455.443 KB) | DOI: 10.19027/jai.19.1.1-9

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ABSTRAK Cairan fermentasi daun mangrove Avicennia marina mengandung mikroorganisme, nutrient, dan metabolit sekunder. Penelitian ini bertujuan untuk mengidentifikasi bakteri dan senyawa dalam cairan fermentasi daun mangrove A. marina dan mengukur daya hambatnya terhadap bakteri patogen Stenotrophomonas maltophilia penyebab penyakit ice-ice pada rumput laut. Hasil analisis molekuler dengan target gen 16S rRNA menunjukkan bahwa bakteri dalam cairan fermentasi terdiri atas delapan jenis Bacillus, yaitu Bacillus subtilis MSAR-01, Bacillus megaterium MSAR-02, Bacillus firmus MSAR-03, Bacillus thuringiensis MSAR-04, Bacillus subterranerus MSAR-05, Bacillus vietnamensis MSAR-06, Bacillus sp. MSAR-07, Bacillus circulans MSAR-08, dengan daya hambat terbaik ditunjukkan oleh B. subtilis MSAR-01, B. vietnamensis MSAR-06, dan Bacillus sp. MSAR-07. Pemberian asam laktat, bakteriosin, cairan fermentasi total, dan supernatan sebanyak 15 mL menghasilkan daya hambat terhadap bakteri S. maltophilia lebih baik daripada menggunakan salah satu atau kombinasi beberapa jenis bakteri isolat. Daya hambat cairan fermentasi dan supernatan yang diperkaya bakteri tunggal lebih baik daripada pengayaan kombinasi bakteri. Kata kunci: Avicennia marina, fermentasi, ice-ice, mangrove
Co-Authors Akbar Marzuki Tahya Alimuddin Julie Ekasari Muhammad Safir Sukenda . WIDANARNI WIDANARNI