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All Journal BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Bioedukatika
Cicik Suriani
Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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GLANDULAR TRICHOME IN THE ASTERACEAE FAMILY Wina Dyah Puspita Sari; Cicik Suriani; Dina Handayani
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 7, No 2 (2021): February 2021
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v7i2.3333

Abstract

The Asteraceae is a diverse plant species and widely distributed, especially in the tropics and subtropics, consisting of 1,600 - 1,700 genera which include 24,000 - 30,000  species. Asteraceae has characteristics of cup flowers and brackets that are not owned by other plants. The objective of this study was to determine the morphological structure of plants and escpecially the leaf glandular trichome in several species of Asteraceae. The research method used was a descriptive method, to describe and interpret the shape, structure and distribution of leaf trichome in the Asteraceae family. This study used eight species of the Asteraceae family, namely Elephantopus mollis, Bidens pilosa, Tithonia deversifolia, Tridax procumbens, Synedrella nodiflora, Eclipta prostrate, Sphagneticola trilobata and Ageratum conyzoides. The observation results of trichomes at 8 species by Scanning Electrone Microscope (SEM) was obtained varied forms of trichomes, both in shape and size. From the research, it was obtained that the forms of multicellular glandular trichome with various shapes, ranging in size from 50.6 µm - 831.9 µm.    
Students science process skills under structured and guided inquiry learning condition Wasis Wuyung Wisnu Brata; Cicik Suriani
JURNAL BIOEDUKATIKA Vol 8, No 1 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/bioedukatika.v8i1.11429

Abstract

Inquiry learning has been known as a popular approach to be studied and applied in science learning. However, the effect of different levels of inquiry on science process skills has not received much attention. This study aims to see the effect of the implementation of guided and structured inquiry on students' Science Process Skills. The quasi-experimental method was carried out with the posttest-only control group Randomized design in two classes of Biology's first-year students. Data were collected with a process skill observation sheet for one semester of lectures. The results showed that both types of inquiry learning showed similar achievement patterns for the types of process skills observed, but generally guided inquiry showed better results. The average score of science process skills in structured inquiry classes was 71.67, while in guided inquiry classes was 78.06. Another interesting finding is that the two types of inquiry learning produce similar performance patterns for the type of process skills observed. The sequence of the type of process skills that are most mastered in both classes is to observe, conclude, classify, and communicate. Inquiry learning is able to develop science process skills well, but differences in learning experiences that are more open to guided inquiry are thought to be an explanation of the difference in achievement of process skills between the two types of inquiry.
Ethnobotanical Identification of Medicinal Plants Used by the Sangihe Tribe in Sangihe Archipelago District, North Sulawesi A. Hadian Pratama Hamzah; Nurhasanah; Sri Harijati; Sinthia Brigyta Pangerapan; Cicik Suriani
Jurnal Penelitian Pendidikan IPA Vol 9 No 7 (2023): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i7.3924

Abstract

Ethnobotany is a field of science that studies the relationship between humans and plants. Ethnobotany is used by the community to document traditional knowledge such as the manufacture of traditional medicines obtained from generations of knowledge. Medicinal plants are extracted by hereditary methods by the Sangihe tribe which have medicinal properties. Sangihe is one of the large islands in the Sangihe and Talaud Islands group which stretches between the northern tip of Sulawesi Island and the southern tip of Mindanao Island in the Philippines. The use of medicinal plants by the people of Sangihe Regency has not been widely disclosed, so it is necessary to identify the medicinal plants used by the Sangihe tribe. The type of research used is explorative descriptive using research techniques in the form of exploration, the methods used are observation, interviews, documentation and plant inventory. The results obtained from this study are the use of plants as medicine by the Sangihe tribe, there are 29 species with 29 types of diseases. The use of medicinal plants by the Sangihe tribe is by boiling, drying or squeezing them by taking the extract from the water in the leaves. Medicinal plants used can also be eaten directly, smeared, mashed or mashed. The pattern of distribution of these plant species varies, growing in groups and also independently, scattered in several areas, even abroad.
The THE INFLUENCE OF LIQUID ORGANIC FERTILIZER FROM COW MANURE ON THE GROWTH AND PRODUCTION OF LETTUCE (Lactuca sativa L.) Var Kriebo Cicik Suriani; Serina Fitri Ayu Limbong; Fitri Afifah Nasution
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 10 No. 1 (2023): August
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v10i1.9647

Abstract

growth and production of lettuce plants. The study was conducted in an open field in Sampun Village, Dolat Rayat District, Karo Regency, North Sumatra Province. The research design was an experimental design a Non-Factorial Randomized Block Design with 4 treatments and 6 replications, making a total of 24 plant samples. The data were analyzed using Analysis of Variance (ANOVA) followed by Duncan's Multiple Range Test (DMRT). The results showed that liquid organic fertilizer derived from cow manure had a significant effect on the growth and production of lettuce plants (Lactuca sativa L. var kriebo). The best plant growth was observed in treatment P3 (300 mL) with a plant height of 23 cm at 5 weeks after planting, 13 leaves, leaf area of 401.28 cm², and wet weight of 96 grams. The dosage that showed optimum results for the growth and production of lettuce plants was found in treatment P3 (300 mL).
Co-Authors A. Hadian Pratama Hamzah Fitri Afifah Nasution HANDAYANI, DINA Nurhasanah Serina Fitri Ayu Limbong Sinthia Brigyta Pangerapan Sri Harijati Wasis Wuyung Wisnu Brata Wina Dyah Puspita Sari