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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Biosense
Novitasari, Amanda
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Public Health Other

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KEPADATAN BAKTERI COLIFORM PADA TANAMAN AIR DI UPTD LABORATORIUM LINGKUNGAN DINAS LINGKUNGAN HIDUP BANYUWANGI Novitasari, Amanda
JURNAL BIOSENSE Vol 8 No 3 (2025): Edisi Juli 2025
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, 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.v8i3.5268

Abstract

This study aims to determine the density of coliform bacteria on aquatic plants at the Environmental Laboratory of the Banyuwangi Environmental Agency using the Most Probable Number (MPN) method. The sampled aquatic plants include Hydrilla verticilata (algae), Pistia stratiotes (water lettuce), and Cyperus papyrus (papyrus). The results indicate that the highest coliform bacteria density was found on Pistia stratiotes with a value of 200 MPN/g, while the lowest was on Cyperus papyrus with less than 180 MPN/g. Environmental factors such as temperature, humidity, and lighting influence the presence and distribution of coliform bacteria around these aquatic plants. This research provides valuable insights into water quality management and the sustainability of aquatic plants within the ecosystem.
POTENSI KONTAMINASI KAPANG PADA ASINAN KUBIS (SAUERKROUT) Novitasari, Amanda; Arini, Vhita Syukrya; Maula, Inayatul; Imamah, Nur; As'ari, Hasyim; Nazilah, Lailatun; Mukarromah, Maqiyatul; Utami, Putri; Agustin, Erina
JURNAL BIOSENSE Vol 7 No 01 (2024): Edisi Juni 2024
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, 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.v7i01.3444

Abstract

Kubis atau sawi putih (Brassica oleracea) merupakan sayuran yang banyak mengandung vitamin, karbohidrat, protein dan mineral. Kubis memiliki masa simpan yang terbatas karena memiliki kadar air yang tinggi dan mudah membusuk. Kubis yang diawetkan menjadi sauerkraut (asian kubis Jerman) melalui proses fermentasi, menghasilkan produk dengan sifat inderawi yang khas, terutama pada aroma dan rasa. Tujuan penelitian adalah menganalisis karakteristik sauerkraut dari kubis atau sawi putih melalui proses fermentasi dengan variasi konsentrasi garam yang berbeda. Konsentrasi garam dalam asinan kubis sangat penting terhadap kandungan total padatan terlarut (TPT) seperti kadar air, tekstur, warna, serta aroma pada asinan kubis. Berdasarkan hasil uji organoleptik pada setiap asinan kubis pada 4 perlakuan dengan variasi konsentrasi garam yang berbeda diantaranya; 1.7%, 2.3%, 3%, 3,7% namun dengan bobot kubis yang sama yakni 300gr. Hasil perlakuan terbaik terdapat pada perlakuan ke-1 yakni menggunakan kadar garam 1.7% dengan berat garam 5gr terdapat jumlah koloni bakteri yang paling sedikit serta aroma yang netral.
PENGARUH WAKTU PENYERBUKAN TERHADAP KUALITAS HASIL TANAMAN MELON (Cucumis melo L) DENGAN PERKAWINAN SILANG TANAMAN SEMANGKA (Citrullus vulgaris L) Widodo, Adik Sugeng; As'ari, Hasyim; Kurnia, Tristi Indah Dwi; Novitasari, Amanda
JURNAL BIOSENSE Vol 7 No 01 (2024): Edisi Juni 2024
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, 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.v7i01.3855

Abstract

Decreased production of melon (Cucumis melo L) which is due to constraints in fruit quality decreases due to the ability of fruit formation is naturally low due to a failure in the process of pollination. The success of pollination it self is influenced by the maturity of the male flowers and female flowers itself. Therefore we need a suitable time to perform pollination to see the stigma receptivity and pollen viability at the same level. To overcome these problems need to develop crops melon (Cucumis melo L) through the technique of cultivation is called plant breeding to obtain the production of melon (Cucumis melo L) qualified by determining the time of pollination and crossed with a watermelon (Citrullus vulgaris L). This research is experimental research design using a randomized block design (RAK) 1 factor with 5 treatment combinations and each treatment using 10 replications. The treatment factors are as follows: PA = at 05:00 to 06:00, PB = at 07:00 to 08:00, PC = at 09:00 to 10:00, PD = at 11 : 00 to 12:00 and PE = at 13:00 to 14:00. The data were collected and presented in tables and statistical analysis of test One-Way ANOVA (Analysis Of Variance). If there is a real difference followed by testing of LSD (Least Significant Difference) (p <0.05). Statistical analysis One-Way ANOVA test and LSD show that there is the influence of pollination time on the fruit weight, average fruit diameter and weight of seed resulting from cross-breeding melon (Cucumis melo L) and watermelon (Citrullus vulgaris L). Data show that the PA treatment is the best treatment compared with other treatments. This happens Because the quality of pollen in the morning are of better quality compared to during the day so that pollen powderd in the morning better able to fertilize the pistil to the maximum.
PENGARUH MODEL THINK PAIR SHARE TERHADAP KETERAMPILAN MENULIS TEKS NEGOSIASI SISWA KELAS X SMA NEGERI 14 PADANG Novitasari, Amanda; Domi Fella Henanggil, Mita; Amir, Amril; Afnita
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 03 (2026): Volume 11 Nomer 03, September 2026 Publication
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i03.62763

Abstract

This study was motivated by the low level of negotiation text writing skills among tenth-grade students at SMA Negeri 14 Padang. The purpose of this study was to describe the effect of the “think-pair-share” model on the negotiation text writing skills of tenth-grade students at SMA Negeri 14 Padang. This study employed a quantitative approach using an experimental method and a posttest-only control group design. The research sample consisted of 40 tenth-grade students. Class X.E5 served as the experimental class and class X.E3 as the control class, both selected using purposive sampling. Research data were collected through a performance test on negotiation text writing and analyzed using descriptive and inferential statistics. The results showed that students’ negotiation text writing skills improved after the Think-Pair-Share model was implemented. The average score of the experimental class was higher than that of the control class, and the results of the hypothesis testing showed that the use of the Think Pair Share model had a significant effect on students’ negotiation text writing skills. Thus, the Think Pair Share model proved to be effective in improving the negotiation text writing skills of tenth-grade students at SMA Negeri 14 Padang.
Co-Authors Afnita Agustin, Erina Amril Amir Arini, Vhita Syukrya As'ari, Hasyim Domi Fella Henanggil, Mita Maula, Inayatul mukarromah, maqiyatul Nazilah, Lailatun Nur Imamah Putri Utami, Putri Tristi Indah Dwi Kurnia Widodo, Adik Sugeng