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All Journal The Journal of Experimental Life Sciences (JELS) BIOMA : Jurnal Biologi Makassar
Ishak, Ismat
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Neuroscience

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EKSPLORASI ETNOBOTANI TANAMAN SINGKONG PADA SUKU TOBELO SEBAGAI PANGAN ALTERNATIF LOKAL DALAM MENDUKUNG KETAHANAN PANGAN Hi Panu, Rasmi; Juma, Yusri; Ishak, Ismat; Purnomo, Eko
BIOMA : JURNAL BIOLOGI MAKASSAR Vol. 11 No. 1 (2026): Bioma : Januari - Juni 2026
Publisher : Department of Biology, Faculty of Mathematics and Natural Sciences, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/bioma.v11i1.47692

Abstract

Cassava plants are optimally utilized from the stems, leaves, and tubers. However, traditional processed products of the Tobelo tribe are starting to be replaced. This study aims to determine the knowledge of the Tobelo people regarding the use of cassava plants and their contribution to supporting food security in North Maluku. This study uses a descriptive qualitative approach with a survey method. The sampling technique used is purposive sampling. This technique was chosen based on the research data needs, which require data on the understanding of cassava among the Tobelo people. The instruments used were interviews and documentation. The interviews consisted of four topics: the Tobelo people's understanding of cassava plants (varieties, morphology, and cultivation), its use in traditional rituals, management techniques, and aspects of its preservation. The results show that the Tobelo people have an understanding of agroecology that has been used for generations to preserve cassava as a staple food commodity. Traditional processed products are divided into three categories: staple foods, snacks or cakes, and foods that can be used long-term. However, there are several processed products such as cassava flour, ongol-ongol, and sinole that are starting to disappear. The calculated utility value was 0.54, indicating that the plant is still considered highly useful. In conclusion, the Tobelo people's understanding of cassava processing and cultivation supports national food security. Kata kunci : Cassava Plant, Tobelo Tribe, Traditional, Food Security
Screening of Rhizosphere Bacteria from Clove (Syzygium aromaticum) in Tidore Island as Plant Growth Promoting Rhizobacteria Ishak, Ismat; Ardyati, Tri; Aini, Luqman Qurata
The Journal of Experimental Life Science Vol. 8 No. 3 (2018)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1176.245 KB) | DOI: 10.21776/ub.jels.2018.008.03.04

Abstract

Tidore Island in North Maluku Province is one of the clove (Syzygium aromaticum) producing regions. Clove plant fertility is maintained even though it is not given organic and inorganic fertilizers, it also keeps the fertility of the soil and the environment as a whole. Therefore, this study aims to explore bacteria in the rhizosphere of the clove trees planted in Tidore island as biofertilizer agents of Indol-3-Acetic Acid (IAA) production, phosphate solubilization, and ammonium production. Bacteria were isolated from the rhizosphere of clove trees. Screening of the isolates was done according to qualitative and quantitative methods. Data collection of the qualitative method were based on medium color changes for each variable while that the quantitative method (i.e. the concentrations of produced IAA, solubilized phosphate, and produced ammonium) were obtained based on spectrophotometry. The results obtained 110 bacterial isolates. Nineteen bacteria were potential as biofertilizer agents, of which isolate R11, R8P, and A1N showed the highest in IAA production (8.71 μgL-1), phosphate solubilization (8.37 μgL-1), and ammonium production (11.71 μgL-1), respectively. The three isolates respectively have similarities to the genus of Enterobacter, Burkholderia, and Stenotrophomonas. Keywords: Biofertilizer, Clove, Rhizobacteria, Rhizosphere.
Co-Authors Eko Purnomo Hi Panu, Rasmi Juma, Yusri Luqman Qurata Aini Tri Ardyati