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All Journal Biota Journal of Natural Sciences and Learning Botani: Publikasi Ilmu Tanaman dan Agribisnis
Marmi Marmi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology

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Survival Rate and Growth Response of Humpback Grouper Seeds (Cromileptes altivelis) on Acclimatization to the Freshwater Sonny Kristianto; Marmi Marmi; Sunaryo Sunaryo
Biota Vol 5 No 1 (2019): Jurnal Biota 2019
Publisher : Faculty of Science and Technology Universitas Islam Negeri Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/Biota.v5i1.2764

Abstract

Successful biodiversity cultivated in freshwater fish is farmed whitefish, tiger shrimp, vannamei shrimp and. While the grouper duck (Cromileptes Mozambique) export market prospects have never tried. This research would like to know how the seed of acclimatization grouper duck into fresh water against the survival rate and growth response. Using random design complete 5 x 4 treatment, seed samples with long range 12 cm, weight 22 gr. Acclimatization of habitat in salinity of 30 ppt ppt 4. Moderate decrease in salinity 0.0 A0 is the ppt/day (controls), A0,5 (0.5 ppt/day), A1 (1 PPT/day), A1.5 (1.5 ppt/day), and A2 (2 ppt/day). Data were analyzed with the survival rate of the t test (P ≤ 0.05) the results show a decrease in salinity of 0.5 ppt/day 35% real different with controls 92.5%, but is superior than the three other treatments (A1, A1.5 and A2) dead all before reaching 4 ppt. While the growth rate data were analyzed with anova followed duncan test (P ≤ 0.05) the results show A0.5 0.60% no different with real control of 0.61% real but different (fastest) compared to three other treatments (A1, A1.5 and A2). The conclusion is grouper duck capable cultivated in brackish water 4 ppt (mesohalin) through acclimatization with decreased salinity of 0.5 ppt/day.
MECHANISM OF MOTION IN WIJAYA KUSUMA FLOWER PLANT (Epiphyllum anguliger): QUEEN OF THE NIGHT AS A SOURCE OF LEARNING PLANT PHYSIOLOGY Umi Rahmah Wuryan Timur; Pramita Laksitarahmi Isrianto; Marmi Marmi; Sunaryo Sunaryo
Journal of Natural Sciences and Learning Vol. 2 No. 1 (2023): Journal of Natural Science and Learning
Publisher : Jurusan Pendidikan Biologi, Fakultas Bahasa dan Sains, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnsl.v2i1.49

Abstract

Plants or plants are living things just like humans and animals. Plants also move which aims to show irritability and to respond to the stimuli it receives. Movement in plants is divided into several categories, one of which is the motion of tropism, which is also divided into more specific movements. This writing aims to find out and study the mechanism of motion of the wijaya kusuma flower. Wijaya Kusuma Flower Plants are plants that have special movements and are different from the movements of other plants. Most people do not know that the movement of the wijaya kusuma flower plant is called scototropism. This motion can also be said to be negative phototropism because the plant will move away from the sun when the light comes close to the plant. One of the characteristics of the Wijaya Kusuma flower itself is that it can only bloom at night for between 1 and 2 hours and will wither the next morning.
Peningkatan Hasil Belajar Siswa Melalui Metode Inkuiri pada Materi Perlakuan Khusus di Kelas XI ATPH SMKN 1 Gondang Fifi Rosyidah; Marmi Marmi; Achmadi Achmadi
Botani : Publikasi Ilmu Tanaman dan Agribisnis Vol. 2 No. 2 (2025): Mei : Botani : Publikasi Ilmu Tanaman dan Agribisnis
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/botani.v2i2.314

Abstract

This research aims to improve student learning outcomes through the inquiry method on the subject of special treatment of fruit plant seeds. The study was conducted as classroom action research (CAR) at SMKN 1 Gondang for class XI Agribusiness of Food Crops and Horticulture (ATPH). The research was carried out in two cycles, each consisting of planning, action, observation, and reflection. Data were collected through tests and observation sheets. The results show that the inquiry method significantly improves student engagement and cognitive outcomes. Average class performance increased from 62% in Cycle I to 85% in Cycle II. These findings suggest that inquiry-based learning can enhance students' critical thinking and understanding in agricultural subjects.
Co-Authors achmadi achmadi Fifi Rosyidah Pramita Laksitarahmi Isrianto Sonny Kristianto Sunaryo Sunaryo Sunaryo Sunaryo Umi Rahmah Wuryan Timur