Jurnal Pro-Life

Kajian Etnobotani Ginaru (Bubur Tradisional) Etnis Batak Phakpak di Sumatera Utara

Marina Silalahi — 2024-11-26

Porridge is one of the processed foods made from rice, which varies relatively from one region to another. The Batak Phakpak ethnic group in North Sumatra has wisdom in making traditional porridge known as ginaru. This research aims to explain the ethnobotanical study of ginaru as a traditional porridge. The research method was carried out using an ethnobotanical approach using interviews and observations. Data analysis was carried out qualitatively by explaining the role of plants in making ginaru. Ginaru is a traditional Batak Phakpak porridge that can be made with the main ingredients of groats (a by-product of the rice milling process) or rice and cassava (Manihot esculenta). The pulp is brownish yellow in color, has a distinctive aroma, and is rich in nutrients. A total of 15 species from 11 families and 13 genera of plants are used to make ginaru. As many as 40% of the plants used as spices in making ginaru are rich in essential oils and have anti-microbial activity. Andaliman (Zanthoxylum acanthopodium) and galugur acid (Garcinia atroviridis) are typical Sumatrean spices that have great potential to be developed as natural food preservatives.

Ulasan Etnobotani Rubroshorea balangeran (Korth) P. S. Ashton & J. Heck. (Dipterocarpaceae) oleh Masyarakat Kalimantan

Letus Sepsamli — 2024-11-30

Balangeran is an endemic species of Kalimantan and offers numerous benefits for daily life. Balangeran is one such species utilized by the people of Kalimantan for various purposes. This study was conducted using a literature review method, analyzing various articles, proceedings, and books on the ethnobotanical aspects of Balangeran by comparing similarities and differences and subsequently drawing conclusions from the research. Several aspects collected include taxonomy, ecology and distribution, local names, and ethnobotany. Communities across various provinces in Kalimantan use the Balangeran trunk as building material, the bark as a dye, and make traditional medicines from the bark, leaves, branches, and twigs. Some phytochemical compounds found in Balangeran include alkaloids, saponins, tannins, phenolics, flavonoids, triterpenoids, glycosides, and steroids. However, despite its benefits, the population of Balangeran in the wild is declining and becomes a concern to preserve its existence and benefits through various conservation efforts.

Karakteristik Kalus dari Eksplan Batang Planlet Krisan (Chrysanthemum morifolium Ramat) pada Media dengan Konsentrasi 2,4-Dichlorophenoxyacetic Acid (2,4-D) dan 6-Benzylaminopurine (BAP) serta Kondisi Pencahayaan

Tia Setiawati — 2024-11-30

This research aimed to obtain the optimal concentration combination of 2,4-D and BAP growth regulators for inducing callus from the stem explant of Chrysanthemum (C. morifolium Ramat) in bright and dark conditions. Stem explants of chrysanthemum were grown in culture medium supplemented with various concentrations and combinations of 2,4-D and BAP under different lighting conditions for 45 days after culture. A laboratory-scale experimental method was used in this research using Completely Randomized Design (CRD). The observed parameters were induction time, percentage formation, size, fresh weight, dry weight, texture, color, and various respones generated by callus. All data were analyzed descriptively. The results showed that all concentrations and combinations of growth regulators could induce callus. In bright condition, the fastest callus induction time was 7 days after culture; most calli were dark green and dark brown colored with compact texture; the callus size was 1.36 cm; also, the highest dry weight generated by callus was 0.17 gram. Meanwhile, in dark conditions, the fastest callus induction time was 6 days after culture; most calli were light green and light brown colored with compact texture; the callus size was 1.18 cm; and the highest dry weight generated by callus was 0.15 gram.

Serangan Hama Siput Darat (Bradybaena similaris) pada Pertanaman Kubis (Brassica oleracea var. capitata) di Wilayah Kecamatan Karangreja, Kabupaten Purbalingga

Margaretha Butarbutar — 2024-12-02

Cabbage (Brassica oleracea capitata) is an important commodity in the Karangreja area of Purbalingga District. The crop is attacked by land snails. The objectives of this study were to: 1) identify the land snail species that attack cabbage crops; 2) ascertain the snail attack symptoms; 3) ascertain the snail population and attack intensity; and 4) show where snails are found in cabbage fields. The Purbalingga Regency's Karangreja Sub-district served as the site of the survey investigation. The Indonesian Institute of Sciences' Research Center of Biology, Laboratory of Zoology, identified land snails. The study was from February until April 2017. The findings indicated that Bradybaena similaris was a species of land snail. The snail attack was characterized by circular holes in the center of the leaves. The snail population ranged from 8.21 to 44.90 individuals, with varying assault intensities of low (21-40%) and medium (41-60%). The snail is distributed in a clumped pattern. We concluded that Bradybaena similaris snails are an important pest of cabbage plants.

Field Trip Integrated Indigenous Knowledge of Betawi Tribe through Video-Making Skills to Improve Species Knowledge

Fajar Adinugraha — 2024-12-10

The objective of this study is to enhance prospective biology teacher students' species knowledge by integrating the field trip method with the indigenous knowledge of the Betawi Tribe, specifically through the skill of making educational videos. The research method employed was a one-group pre-test-post-test design. This study delineates the learning steps, namely stimulation, ethnobiological discussion, exploratory research, video artifact creation, and publication, conducted with active student involvement. The findings revealed that 66.67% of the students demonstrated proficiency in video production. The field trip combined indigenous knowledge with video-making skills, effectively enhancing students' understanding of local plant and animal species commonly used in traditional Betawi cuisine. The improvement in understanding of local plants and animals is evidenced by the increase in post-test scores compared to pre-test scores, showing a gain of 3.67 points or 16.87%. In addition, the Wilcoxon test showed a significant increase in knowledge of species after the learning experience with a Sig. (Asymp. Sig. 2-tailed) of 0.005 < Sig. 0.05. Field trips that integrated the indigenous knowledge of the Betawi Tribe with video-making skills improved students' knowledge of various species. We expect this research to contribute to improving the quality of education by integrating indigenous knowledge with the development of digital skills

Uji Aktivitas Alelopati dan Fitotoksisitas Ekstrak Daun Tabat Barito (Ficus Deltoidea Jack.) terhadap Perkecambahan dan Pertumbuhan Gulma Pletekan (Ruellia Tuberosa L.)

Dwi Susanto — 2024-12-17

Tabat Barito (Ficus deltoidea Jack.) plant has secondary metabolite compounds and several bioactivities. This study was conducted to test the allelopathic activity and phytotoxicity of methanol extract of Tabat Barito leaves against Pletekan weed (Ruellia tuberosa L.) The study used a completely randomized design (CRD) in two experimental stages, namely the seed germination stage and the plant growth stage, using the concentration of methanol extract of Tabat Barito leaves: 0%, 25%, 50%, and 75%. The results showed that the methanol extract of F. deltoidea leaves was able to inhibit the germination process of R. tuberosa weed seeds. The highest allelopathic power and phytotoxicity were produced at a concentration of 75%, which is significantly different from the other treatments. At the growth stage, the methanol extract of F. deltoidea reduced biomass (wet weight 76%; dry weight 67%), chlorophyll a 50%, chlorophyll b 50%, and total chlorophyll by 71%. The higher the F. deltoidea leaf methanol extract concentration, the higher the allelopathic power and phytotoxicity against weed growth. The study showed that the methanol extract of F. deltoidea leaves was able to inhibit weed germination and growth and had strong phytotoxicity power against Pletekan weed, so F. deltoidea leaf extract has the potential to be used as a source of allelopathy or natural herbicide ingredients (bio-herbicides) that are environmentally friendly substitutes for chemical herbicides against weed plants.