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All Journal Biocaster : Jurnal Kajian Biologi
Sri Purwati
Program Studi Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman, Jalan Muara Pahu, Samarinda, Kalimantan Timur 75119, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Pengaruh Kombinasi Pupuk Organik Cair (POC) Mikroorganisme Lokal (MOL) Nasi Basi dengan Mulsa Organik (Daun Ketapang (Terminalia catappa L) dan Pelepah Pisang (Musa sp.)) terhadap Intensitas Serangan Serangga Hama pada Tanaman Bayam Kakap (Amaranthus hybridus) Desy Amanda Putri; Sonja Verra Tinneke Lumowa; Zenia Lutfi Kurniawati; Sri Purwati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1327

Abstract

This study aims to determine the combination of Liquid Organic Fertilizer (POC) Local Microorganisms (MOL) stale rice with organic mulch (ketapang leaves (Terminalia catappa L) and banana stems (Musa sp.)) on the intensity of insect pest attacks on snapper spinach (Amaranthus hybridus) plants. The type of research used is experimental research. In this study, the population used was snapper spinach (Amaranthus hybridus). Observation data were analyzed using one-way ANOVA and continued with the Least Significant Difference (LSD) test at the 5% level. The results showed that the combination of POC-MOL stale rice with organic mulch ketapang leaves and banana stems had a significant effect on the intensity of pest attacks (p < 0.05). The intensity of pest attacks tended to decrease over the observation period, namely 7.34% (12 HST), 9.28% (17 HST), 6.70% (22 HST), and 5.00% (27 HST). The T4 treatment was the most effective combination in suppressing pest infestation compared to other treatments. Based on these results, it can be concluded that the combination of spoiled rice POC-MOL with organic mulch has the potential to be an environmentally friendly pest control method for spinach cultivation.
Pengaruh Model Pembelajaran Guided Inquiry Berbantuan E-LKPD terhadap Kemampuan Berpikir Kritis dan Hasil Belajar Peserta Didik pada Materi Sistem Pernapasan di Kelas XI SMA Negeri 17 Samarinda Margaretha Dhea Kristiani; Sri Purwati; Herliani Herliani; Sonja Verra Tinneke Lumowa; Suparno Putera Makkadafi
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1139

Abstract

This research is motivated by the lack of variety of learning models that cause students' critical thinking skills and learning outcomes to be still low. Therefore, the guided inquiry model assisted by E-LKPD is used as an alternative to facilitate the investigation process in a directed manner. This study aims to determine the effect of the guided inquiry learning model assisted by E-LKPD on students' critical thinking skills and learning outcomes in the respiratory system material of grade XI at SMA Negeri 17 Samarinda. This research is a quantitative study with a quasi-experimental type, using a non-equivalent control group design. Data collection techniques used pretest and posttest. The research sample consisted of 25 students per class. The experimental class used the guided inquiry model assisted by E-LKPD, while the control class used the Student Teams Achievement Divisions (STAD) model. The results of the t-test (independent sample t-test) showed sig. (2-tailed) of 0.000 < 0.05 and tcount > ttable, namely 4.448 ˃ 2.010 for critical thinking skills, and 4.903 ˃ 2.010 for student learning outcomes. The results of the study indicate that the guided inquiry learning model assisted by E-LKPD has a significant effect on improving critical thinking skills and student learning outcomes in the respiratory system material.
Pengaruh Media Interaktif Genially Berbantuan Model Discovery Learning terhadap Hasil Belajar Kognitif pada Materi Sistem Saraf Siswa Kelas XI SMA Negeri 5 Samarinda Dinda Davanya; Sri Purwati; Sonja V. T. Lumowa; Suparno Putera Makkadafi; Nelda Anasthasia Serena
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1162

Abstract

This study aims to determine the effect of Genially interactive media supported by the discovery learning model on students' cognitive learning outcomes in the nervous system. This research is motivated by the low level of student active engagement in learning, necessitating innovative media and learning models that support meaningful conceptual understanding. This study used a quasi-experimental method. The subjects consisted of an experimental class using Genially media supported by the discovery learning model and a control class using the expository model. The study was conducted on eleventh-grade students of SMA Negeri 5 Samarinda on the nervous system. The research instrument was an essay test administered before and after the lesson. Data analysis included normality tests, homogeneity tests, hypothesis testing using the independent sample t-test, and N-gain calculations. The analysis results showed that the data were normally distributed and homogeneous. The hypothesis test revealed a significant difference between cognitive learning outcomes in the experimental and control classes. The improvement in cognitive learning outcomes in the experimental class was in the moderate category and higher than in the control class. Thus, Genially interactive media supported by the discovery learning model is effective in improving students' cognitive learning outcomes in the nervous system.
Co-Authors Desy Amanda Putri Dinda Davanya Herliani Herliani Margaretha Dhea Kristiani Nelda Anasthasia Serena Sonja V. T. Lumowa Sonja Verra Tinneke Lumowa Suparno Putera Makkadafi Zenia Lutfi Kurniawati