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All Journal Jurnal Pendidikan Biologi Undiksha Jurnal Tematik Jurnal Pendidikan Fisika Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biolokus: Jurnal Penelitian Pendidikan Biologi dan Biologi BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Bioedukasi: Jurnal Pendidikan Biologi AXIOM : Jurnal Pendidikan dan Matematika Best Journal (Biology Education, Sains and Technology) Edukimia Didaktika: Jurnal Kependidikan Bioscientist : Jurnal Ilmiah Biologi Bioed : Jurnal Pendidikan Biologi Jurnal Pendidikan Indonesia (Japendi) Quagga: Jurnal Pendidikan dan Biologi Al-Musannif Inovasi Kurikulum
Fauziyah Harahap
universitas negeri medan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Pengaruh Ekstrak Kulit Pisang Ambon (Musa paradisiaca var. sapientum) dan BAP terhadap Pertumbuhan Tunas Anggrek Dendrobium sp. Secara In Vitro Mega Utami; Fauziyah Harahap
Bioed : Jurnal Pendidikan Biologi Vol 14, No 2 (2026): Bioed : Jurnal Pendidikan Biologi
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/jpb.v14i2.25164

Abstract

Anggrek Dendrobium sp. merupakan tanaman hias bernilai ekonomi tinggi yang perbanyakannya secara konvensional relatif lambat, sehingga diperlukan teknik kultur jaringan untuk mendukung produksi bibit secara massal. Penelitian ini bertujuan untuk mengetahui pengaruh ekstrak kulit pisang ambon dan Benzyl Amino Purine (BAP) terhadap pertumbuhan tunas anggrek Dendrobium sp. secara in vitro. Jenis penelitian ini merupakan penelitian eksperimental dengan menggunakan Rancangan Acak Lengkap (RAL) faktorial dengan dua faktor, yaitu ekstrak kulit pisang ambon (0; 45; dan 55 g/L) dan BAP (0; 0,5; 1; dan 1,5 ppm), yang diulang sebanyak lima kali. Parameter yang diamati meliputi persentase hidup planlet pada 10 MST, waktu muncul tunas sejak awal penanaman hingga 10 MST, jumlah tunas dan jumlah daun setiap minggu pada 1–10 MST, serta tinggi tunas, jumlah akar, dan warna daun pada 10 MST. Data persentase hidup dianalisis menggunakan rumus persentase, data warna daun secara deskriptif, sedangkan data kuantitatif dianalisis menggunakan ANAVA dua jalur dan dilanjutkan dengan uji DMRT pada taraf 5% apabila terdapat pengaruh nyata. Hasil penelitian menunjukkan bahwa seluruh planlet memiliki persentase hidup 100%. Perlakuan BAP berpengaruh nyata terhadap waktu muncul tunas dan tinggi tunas, dengan hasil terbaik pada konsentrasi 1,5 ppm. Interaksi ekstrak kulit pisang ambon dan BAP berpengaruh nyata terhadap jumlah tunas, dengan jumlah tunas tertinggi diperoleh pada kombinasi P0B3 dan P2B3 sebesar 3,4 tunas. Perlakuan ekstrak kulit pisang ambon maupun BAP tidak berpengaruh nyata terhadap jumlah akar dan jumlah daun. Disimpulkan bahwa kombinasi ekstrak kulit pisang ambon dan BAP berpotensi meningkatkan multiplikasi tunas anggrek Dendrobium sp. secara in vitro.Kata Kunci:           Anggrek Dendrobium, BAP, ekstrak kulit pisang ambon, dan kultur jaringan.
Development of a Science Process Skills-Based E-Worksheet to Enhance High School Students’ Critical Thinking and Scientific Literacy Khafiyya Farda; Syahmi Edi; Fauziyah Harahap
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 3 (2026): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i3.22426

Abstract

This study developed a science process skills-based electronic student worksheet (E-LKPD) for Grade XI biology and evaluated its validity, practicality, and effectiveness in improving students’ critical thinking skills and scientific literacy. A Research and Development (R&D) approach using the 4-D model (Define, Design, Develop, and Disseminate) was employed. Product validity was assessed by subject-matter, instructional design, and layout design experts, while practicality was evaluated through individual (n = 3), small-group (n = 9), and limited-group (n = 21) trials. Effectiveness was tested using experimental and control groups, each consisting of 26 students. Validation scores were 87.5%, 92.8%, and 95.0% for subject matter, instructional design, and layout, respectively, all categorized as very good. Practicality scores were 90.0%, 91.7%, and 93.0% across the three trial stages. In the experimental group, the mean critical thinking and scientific literacy scores were 86.31 and 87.58, respectively. The N-Gain was 0.72 in the experimental group and 0.40 in the control group, indicating high and moderate improvement, respectively. The independent-samples t-test showed a significant difference between groups (t = 5.80, p < 0.05). These findings indicate that the developed E-LKPD is valid, practical, and effective in improving students’ critical thinking skills and scientific literacy.
Co-Authors Ade Alya Yasmint Ashar Ashairin Ashar Hasairin Ayu Putri Ningsih Biworo Frida Gurning Bornok Sinaga Budiman Nasution Candra Gunawan Sihombing Catur Kurniawan Christine Ulina Tarigan CICIK SURIANI DIdi Febrian Edmy Febriani Br Bangun Elfrida Elfrida Erfiani Humairah Fatayatul Hasniyah Fince Putri Yeni Purba Frandika Arif Chaniago Githa Indriana H. Hasruddin Hasruddin Herbert Sipahutar Heru Kuswanto Irham Ramadhani Junifa Layla Sihombing K. Khairunnisa Khafiyya Farda Khairunnisa Korinti Nalsalisa Br Milala Korinti Nalsalsalisa Br Milala Marojahan Panjaitan Mega Utami Melva Silitonga Mhd. Fadhillah Moondra Zubir Muhammad Badzlan Darari Nabilah Syahirah Azhari Nadya Ulfa Nursamsu Nursamsu Nusyirwan Nusyirwan Rachmat Mulyana Rahmadina Dalimunthe Rena Mahriani Nasution Retno Dwi Suyanti Roberi Sepda Fian Sinaga Shanti Andria Chairani Siti Rahmah Sri Adelila Sari* Surya Karinanta Sembiring Suwisnawati Gowasa Syahmi Edi Tarigan, Wenny Pinta Litna Widya Arwita Wilhelminari Br Saragih Yusnadi Yusnadi Zainuddin Muchtar Zulkifli Matondang