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BIOVALENTIA: Biological Research Journal
Published by Universitas Sriwijaya
ISSN : -     EISSN : 24771392     DOI : https://doi.org/10.24233/biov
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology
BIOVALENTIA: Biological Research Journal aims to review and publish the Biological research results from researchers. The range of articles which BIOVALENTIA: Biological Research Journal publishing is the research results in Biology science and applied Biology. Biology science is included Ecology, Biosystematics, Physiology, Developmental Biology, Microbiology, Genetics. Applied Biology is included Biotechnology, and the sciences derived from Biology science.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 2 Documents
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Search results for , issue "Vol. 11 No. 2 (2025)" : 2 Documents clear
The Effect of Shade, KNO3, Bulbil Conditions on The Shoot Emergence and Porang Growth nurshanti, Dora fatma; Lakitan, Benyamin; Hasmeda, Mery; Ferlinahayati; Zaidan, Zaidan; Susilawati, Susilawati; Rofiqoh, Purnama Ria
BIOVALENTIA: Biological Research Journal Vol. 11 No. 2 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.2.2025.386

Abstract

Porang cultivation can be carried out using three planting materials, namely true seeds, bulbils, and cormel, these three planting materials experience dormancy. Potassium Nitrate Solution (KNO3) is a chemical compound that is effective in breaking the dormancy of some plant seeds.This study aims to the effect of shading, soaking with KNO3 and bulbil conditions on the emergence of shoots and the growth of porang plants. The research was conducted in September 2021 to November 2021. The design used was split split plot using three factors, shading (N) as the main plot, namely N0: without shade, N1: 45%, N2: 55%, N3: 80%, KNO3 concentration (K) as subplots, namely K0: Without immersion KNO3, K1: 1500 ppm, K2: 3000 ppm, K3: 4500 ppm and bulbil conditions (D) as sub-sub plots, namely D0: Dormant and D1: Mentis. The data collected included the percentage of shoots emergence, time of shoot emergence, broken petiole sheath, leaf open fully, shoot height, number of shoots, number of leaves, petiole length, petiole diameter, midrib length, leaf width, leaf area and leaf thickness. The results showed that shading 55% and bulbil mentis accelerated the emergence of shoot at 26 DAP and 26.9 DAP, respectively. Soaking in KNO3 solution did not accelerate the emergence of shoots. The emergence of shoots affects the time of petiole sheath break and the leaves open fully, the faster the emergence of shoot, the faster the petiole sheath breaks, the faster the leaves open fully. Shade 80% increases the growth of porang plants with the longest leaf petiole of 22.6 cm; petiole diameter 5.5 mm; midrib length 10.34 cm; the width of the leaflets is 4.7 cm and the leaf area is 183.2 cm², except for the thickness of the leaves.
Harnessing the Power of Purun Tikus (Eleocharis dulcis) to Reduce Toxic Heavy Metals in Wetlands Mazidah; Suheryanto, Suheryanto; Sarno, Sarno
BIOVALENTIA: Biological Research Journal Vol. 11 No. 2 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.2.2025.491

Abstract

The escalating contamination of heavy metals such as lead (Pb), zinc (Zn), and copper (Cu) in wetland ecosystems poses a significant threat to environmental integrity and public health. This study aims to assess the phytoremediation potential of purun tikus (Eleocharis dulcis) for the accumulation and reduction of these heavy metals in contaminated sediment and water matrices. An experimental approach was employed wherein purun tikus specimens were cultivated for 20 days in media artificially contaminated with varying concentrations of Pb (5, 10, 15 mg/L), Zn (80, 90, 100 mg/L), and Cu (80, 90, 100 mg/L). There was no significant difference (p > 0.05) in the accumulation of heavy metals Pb, Zn, and Cu in the roots, stems, and leaves of purun plants between treatment times of 5, 10, 15, and 20 days. The duration of treatment did not significantly affect the ability of purun plants to accumulate these heavy metals. The descriptive differences seen although not statistically significant are likely due to the small sample size and high variability of the data. The highest removal efficiencies were observed for Pb in stems (95.97%), Zn in roots (81.59%), and Cu in stems (66.10%). These findings indicate that purun tikus exhibits selective metal uptake and distribution mechanisms coupled with high tolerance to heavy metal stress, affirming its efficacy as a phytoremediator for rehabilitating heavy metal-contaminated wetlands and supporting sustainable ecosystem management.

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