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Rusdi Hasan
Program Studi Pendidikan Biologi Universitas Muhammadiyah Bengkulu, Indonesia Jalan Bali 118 Kota Bengkulu 38119
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Immunology & microbiology Mathematics Physics Social Sciences Other

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The Implementation of Scaffolding in Team Games Tournament (TGT) to Improve Students’ Participation and Learning Performance on Reproduction System Topics Arindasandy, Devi; Rahmawati, Rita Nur; Hasan, Rusdi; Lukitasari, Marheny
BIOEDUSCIENCE Vol 7 No 3 (2023): BIOEDUSCIENCE
Publisher : Universitas Muhammadiyah Prof. Dr. Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jbes/11923

Abstract

Background: This study aims to describe the usage of scaffolding methods in the activeness and learning performance of students with Teams Games Tournament (TGT) learning at SMA Negeri 5 Madiun. The type of analysis used is class action research (PTK). The subjects of this study are students of class XI MIPA 6 at SMA Negeri 5 Madiun. Methods: The method of data collection uses observation sheets to understand students’ activeness and pre-tests and post-tests to assess students’ learning performance. The technique used for data analysis is descriptive-quantitative. Results: The results of students’ activeness in Cycle I and Cycle II are 94% and 95%, respectively. There is also an improvement in students’ learning performance, as seen from the pre-tests and post-test results. The post-test results in Cycle I and Cycle II are 86% and 97%, respectively. The data analysis shows that applying the scaffolding method in Teams Games Tournament (TGT) learning can improve students’ activeness and learning performance in class XI MIPA 6 at SMA Negeri 5 Madiun. Conclusions: Applying the scaffolding learning method to team games and tournament learning can increase the activeness and performance of students in the reproductive system material.
Local Knowledge of The Community in Mekarwangi Village on Long-Tailed Macaque (Macaca fascicularis) Rehansha, Canaya Vania; Hasan, Rusdi
Bioeksperimen: Jurnal Penelitian Biologi Vol 10, No 1: March 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/bioeksperimen.v10i1.23855

Abstract

Local knowlede is a phenomenon that is felt and experienced by the people of a particular area who have local understanding regarding the natural resources found in the surrounding environment. One of this knowledge is about long-tailed macaque (Macaca fascicularis). This research aims to examine local knowledge of the community regarding long-tailed macaque in Mekarwangi Village which borders Taman Hutan Raya Ir. H. Djuanda which is one of the long-tailed macaque conservation sites. The method used in this research is a qualitative approach through observation, semi-structured interviews, and strengthened by literature study. The result obtained were analyzed descriptively. The reseach result show that the community knows about the existence of long-tailed macaque. Community interactions with long-tailed macaque pose a threat to long-tailed macaque, some individu of long-tailed macaque be arrasted because people are disturbed by their existance. The majority of community in Mekarwangi Viilage know the food, habitat, and daily activities of long-tailed macaque from daily observation and some knowledge passed down from previous generations.
KARAKTERISTIK MORFOLOGI, ANATOMI, FITOKIMIA, DAN KLOROFIL DAUN SPESIES FABACEAE DI TWA PANANJUNG, PANGANDARAN Sephianti, Selvi; Mutaqin, Asep Zainal; Budiono, Ruly; Nurzaman, Mohamad; Setiawati, Tia; Hasan, Rusdi
BIOTIKA Jurnal Ilmiah Biologi Vol 23, No 2 (2025): BIOTIKA DESEMBER 2025
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/biotika.v23i2.68018

Abstract

Penelitian ini bertujuan mengkaji karakteristik morfologi, anatomi, kandungan fitokimia, dan klorofil daun tiga spesies famili Fabaceae (Acacia auriculiformis, Dendrolobium umbellatum, dan Cynometra ramiflora) yang tumbuh di Taman Wisata Alam (TWA) Pananjung, Pangandaran. Penelitian ini diharapkan menjadi penelitian dasar tentang potensi spesies Fabaceae dalam bidang farmasi, pertanian, dan konservasi sumber daya alam. Penelitian dilakukan secara observasional melalui pengamatan morfologi dan anatomi daun, pengujian fitokimia secara kualitatif (alkaloid, tanin, dan saponin), serta kadar klorofil daun. Hasil penelitian menunjukkan ada perbedaan karakteristik morfologi, anatomi, dan profil fitokimia antar spesies. A. auriculiformis dan C. ramiflora mengandung alkaloid dan saponin. D. umbellatum mengandung tanin dan saponin. Species yang mengandung klorofil dari yang tertinggi ke terendah secara berurutan adalah C. ramiflora, D. umbellatum, dan A. auriculiformis. Faktor lingkungan yang terukur adalah 859.33-7474 lux untuk intensitas cahaya, 75-83,67% untuk kelembapan udara, 29,23-30,4°C untuk temperatur udara, 6,6-6,93 untuk pH tanah, <2 mg/kg untuk kadar nitrogen tanah, <6,67 mg/kg untuk kadar fosfor tanah, serta <2,34 mg/kg untuk kadar unsur kalium tanah.
Combination of Acclimatization Media for The Primary Hardening Phase of Musa paradisiaca L. var. Kepok Tanjung Plantlets Arianti, Tanti; Hasan, Rusdi; Setiawati, Tia; Nurzaman, Mohamad
Jurnal Agrinika: Jurnal Agroteknologi dan Agribisnis Vol 10 No 1 (2026): MARCH
Publisher : Kadiri University - Faculty of Agriculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/agrinika.v10i1.7205

Abstract

Acclimatization is the last and critical stage in the in vitro culture of Musa paradisiaca L. var. kepok tanjung. The primary hardening phase of acclimatization is carried out so that plantlets can adapt from heterotrophic conditions to autotrophic conditions. This study aims to optimize the acclimatization media for M. paradisiaca L. var. kepok tanjung plantlets, an important factor in the acclimatization process. A completely randomized design was applied in this study using 13 different combinations of soil, cocopeat, and charcoal husk media. The observation parameters included morphological parameters (height, number of leaves, leaf area, pseudo-stem diameter, and survival rate) and physiological parameters (wet weight, dry weight, relative water content (RWC), and chlorophyll content index (CCI), which were analyzed using ANOVA or Kruskal-Wallis according to data assumptions. The results showed that all media combinations produced a 100% survival rate, with the best results shown by the cocopeat: charcoal husk (1:1) combination. This media combination provided the highest increase in height (1.05 ± 0.11 cm), pseudo-stem diameter (1.15 ± 0.12 mm), number of leaves (0.75 leaves), leaf area (121.06 ± 20 cm²), fresh weight (8.23 ± 2.99 g), dry weight (0.45 ± 0.16 g), CCI (23.2 ± 3.63), and the highest relative water content (98.47%). The combination of cocopeat and husk charcoal (1:1) was able to maintain moisture and provide good aeration for plantlet growth. Therefore, the combination of cocopeat and charcoal husk (1:1) is recommended as the most effective media for acclimatizing M. paradisiaca L. var. kepok tanjung plantlets in the primary hardening phase.
Co-Authors Alam, Vania Aramintana Anak Agung Gede Sugianthara Anizar Anizar Arianti, Tanti Arindasandy, Devi Asep Zainal Mutaqin Cahya, Malinda Dwi FITRIA, NOVI Joko Kusmoro Kasmiruddin, Kasmiruddin Keukeu Kaniawati Rosada Marheny Lukitasari Mohamad Nurzaman Neni Murniati Rachma, Nadhira Zaachrany Rahmawati, Rita Nur Rehansha, Canaya Vania Ruly Budiono Sephianti, Selvi Sri Utami Tia Setiawati Wardani, Ade Kurnia Washfanisa, Handina Alya Wasilatul Murtafiah Yennita