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All Journal Jurnal Ilmu Pertanian dan Perikanan (PENARIK) Jurnal Ilmu Agroteknologi Indonesia (JIGRONA)
Putri Harta Bawamenewi
Universitas Nias
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Immunology & microbiology Other

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Pengaruh Cahaya Terhadap Pertumbuhan Tanaman Marta Tristanti Mendrofa; Berkat Jaya Gulo; Serlin Jessica Mendrofa; Andi Donal Putra Zebua; Putri Harta Bawamenewi; Apriani Hia
Jurnal Ilmu Pertanian dan Perikanan Vol. 3 No. 1 (2026): PENARIK - April
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/penarik.v3i1.227

Abstract

This study aims to examine the differences in plant growth placed in bright and dark places. Light is one of the important factors in photosynthesis, which plays a direct role in plant growth and development. In this study, several plant samples from the same species were grown in controlled environmental conditions and placed in two different locations: a bright place with direct access to sunlight, and a dark place that did not receive any light at all. The parameters measured included plant height, number of leaves, and leaf color during a certain period. The results showed that plants placed in bright places had more optimal growth than plants in dark places. Plants in bright places showed a significant increase in height, a greater number of leaves, and fresh green leaf color. In contrast, plants in dark places tended to have stunted growth with pale or yellowish leaf color. This study confirms the importance of light as a key factor in plant growth, and provides insight into plant management in various environmental conditions.
Pengaruh Intensitas Cahaya Terhadap Fotosintesis Dan Pertumbuhan Tanaman Bayam (Amaranthus Sp) Putri Harta Bawamenewi
Jurnal Ilmu Pertanian dan Perikanan Vol. 2 No. 2 (2025): PENARIK - Agustus
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/penarik.v2i2.647

Abstract

This study aims to determine the effect of light intensity on the photosynthetic rate and growth of spinach plants (Amaranthus sp.). The research was conducted experimentally using a Completely Randomized Design (CRD) with one treatment factor: light intensity consisting of four levels—100% (P1), 75% (P2), 50% (P3), and 25% (P4) of natural sunlight. Observed parameters included photosynthetic rate, plant height, number of leaves, leaf area, fresh weight, and dry weight. The results showed that light intensity significantly affected all observed variables. The highest photosynthetic rate (18.5 μmol CO₂/m²/s), plant height (22.4 cm), number of leaves (18), fresh weight (35.2 g), and dry weight (5.7 g) were obtained under full sunlight (P1). In contrast, the lowest values were recorded under 25% light intensity (P4). It can be concluded that higher light intensity enhances photosynthetic activity and vegetative growth of spinach plants significantly. Therefore, managing appropriate light levels is crucial for optimal spinach cultivation, especially in controlled or indoor farming systems.
Pengaruh Cahaya Terhadap Pertumbuhan Tanaman Marta Tristanti Mendrofa; Berkat Jaya Gulo; Serlin Jessica Mendrofa; Andi Donal Putra Zebua; Putri Harta Bawamenewi; Apriani Hia
Jurnal Ilmu Agroteknologi Indonesia Vol. 2 No. 1 (2026): JIRGONA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jigrona.v2i1.1046

Abstract

This study aims to examine the differences in plant growth placed in bright and dark places. Light is one of the important factors in photosynthesis, which plays a direct role in plant growth and development. In this study, several plant samples from the same species were grown in controlled environmental conditions and placed in two different locations: a bright place with direct access to sunlight, and a dark place that did not receive any light at all. The parameters measured included plant height, number of leaves, and leaf color during a certain period. The results showed that plants placed in bright places had more optimal growth than plants in dark places. Plants in bright places showed a significant increase in height, a greater number of leaves, and fresh green leaf color. In contrast, plants in dark places tended to have stunted growth with pale or yellowish leaf color. This study confirms the importance of light as a key factor in plant growth, and provides insight into plant management in various environmental conditions.
Co-Authors Andi Donal Putra Zebua Apriani Hia Berkat Jaya Gulo Marta Tristanti Mendrofa Serlin Jessica Mendrofa