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All Journal Jurnal Biologi Tropis Jurnal Pengabdian Magister Pendidikan IPA
Utami, Ni Wayan Anggun Diah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Exploration of P-Solubilizing and IAA-producing Rhizobacteria from Saline Environments: Their Effects on Vigna radiata Growth-promotion Utami, Ni Wayan Anggun Diah; Zulkifli, Lalu; Rasmi, Dewa Ayu Citra; Sedijani, Prapti
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7968

Abstract

Rhizobacteria that are able to dissolve P and produce IAA can be used as component of biofertilizers to help increase plant growth, which can be a more environmentally friendly fertilizer alternative compared to chemical fertilizers. Rhizobacteria originating from sub-optimal environments have the potential to overcome environmental stress such as osmotic stress. To obtain potential isolates that can be used as biofertilizer, exploration of the rhizosphere of the sentigi (Pemphis acidula) has been carried out from the coast of Gili Sulat, Lombok. The method for isolating and selecting IAA producing bacteria was carried out using the colorimetric test method, while for the P solubilization ability, it was carried out by growing rhizobacteria on Pikovskaya media. Isolate PA6 with the highest IAA producing ability (21 ppm) and PL4 with the highest P solubilizing ability (20.9 ppm), were tested for their effect on the growth-promotion of Vigna radiata cultured on Murphy agar media by measuring the parameters of plant height, root length, fresh weight, and plant dry weight. Based on the One Way ANOVA statistical analysis with a p value ≤ 0.05, it showed that the inoculation of IAA-producing and P solvent rhizobacteria was proven to be able to have a significant effect with significantly different results on increasing plant dry weight. In the future, the isolate obtained can be developed into a biofertilizer component that can be applied in saline and dryland agriculture.
Penyuluhan Pembuatan Insektarium dan Herbarium di SMA Negeri 1 Labuapi Artayasa, I Putu; Muhlis; Hadiprayitno, Gito; Utami, Ni Wayan Anggun Diah; Fitriani, Husniati
Jurnal Pengabdian Magister Pendidikan IPA Vol 6 No 4 (2023): Oktober-Desember 2023
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v6i4.5634

Abstract

Tujuan pengabdian kepada masyarakat di SMAN 1 Labuapi adalah melatih siswa membuat insektarium dan herbarium sebagai upaya meningkatkan minat siswa mempelajari karakteristik dan keanekaragaman makhluk hidup yang ada pada lingkungan sekitar siswa. Pengabdian masyarakat dilakukan dengan kegiatan meliputi: persiapan, pra-pelaksanaan, pelaksanaan pengabdian, dan evaluasi, Persiapan dan pra-pelaksanaan pengabdian dilakukan di laboratorium biologi FKIP Unram, dengan kegiatan mengumpulkan awetan kering serangga dan tumbuhan sebagai bahan untuk pembuatan insektarium dan herbarium. Pelaksanaan pengabdian dilakukan di laboratorium biologi SMAN 1 Labuapi dengan metode ceramah, demonstrasi, praktek pembuatan insektarium dan herbarium serta praktek penggunaan kunci determinasi hewan dan tumbuhan. Evaluasi pelaksanaan pengabdian masyarakat dilakukan melalui pengamatan kegiatan dan wawancara. Peserta pengabdian adalah guru dan 25 siswa. Hasil pengabdian menunjukkan peserta pengabdian antusias mengikuti kegiatan pengabdian, tiap kelompok siswa berhasil membuat satu insektarium dan satu herbarium, serta berhasil mengidentifikasi nama ilmiah spesimen menggunakan kunci determinasi. Hasil wawancara menunjukkan siswa yang semula belum tahu menjadi tahu cara mengawetkan hewan dan tumbuhan dan memahami penggunaan kunci determinasi. Kesimpulannya adalah demonstrasi dan pendampingan praktek pembuatan insektarium dan herbarium meningkatkan pengetahun dan keterampilan siswa membuat awetan kering hewan dan tumbuhan, meningkatkan kemampuan menggunakan kunci determinasi, serta berdampak pada pembelajaran yang lebih menyenangkan
Co-Authors Fitriani, Husniati Gito Hadiprayitno LALU ZULKIFLI Muhlis Ni Luh Putu Pebri Artayani . PRAPTI SEDIJANI, PRAPTI Rasmi, Dewa Ayu Citra