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All Journal Jurnal Agroplasma SRIWIJAYA JOURNAL OF ENVIRONMENT
Mazidah, Mazidah
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Agriculture, Biological Sciences & Forestry Energy Environmental Science Public Health

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Effectiveness of Some Plant Extracts and Commercial Biological Products to Control Powdery Mildew Disease in Meniran Plants (Phyllanthus niruri) Siregar, Brema Syahputra; Widihastuty, Widihastuty; Mazidah, Mazidah
JURNAL AGROPLASMA Vol 11, No 1 (2024): JURNAL AGROPLASMA VOLUME 11 NO 1 TAHUN 2024
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v11i1.5715

Abstract

The Meniran plant (Phyllanthus niruri L.) is a herbal plant that can boost the immune system. One of the challenges in propagating meniran plants as therapeutic plants is the attack of powdery mildew disease produced by the pathogenic fungus Oidium phyllanthi. This study was conducted to determine the efficacy of different plant components and commercial biological agents in reducing powdery mildew disease on green meniran plants (Phyllanthus niruri L.). This study employs a non-factorial randomised group design (RAK) with ten treatments and three duplicates. The findings revealed that no therapy was able to prevent or diminish the occurrence of powdery mildew disease on (Phyllanthus niruri L.).In the nursery, the application of garlic extract and commercial product B'Green® Neem Oil reduced the severity of powdery mildew disease by 57.3% and 50.0%, respectively, and on B'Green® Neem Oil by 26.1% on (Phyllanthusniruri L.), whereas in the field, the application of garlic extract reduced the severity of powdery mildew disease by 27.3%, 26.2%, and on B'Green® Neem Oil by 25.0%. Keywords: Green meniran (Phyllanthus niruri), garlic, ginger rhizome, neem leaves, betel leaves
Distribution of Ability Eleocharis dulcis to Adsorb Heavy Metals in Roots, Stems and Leaves Mazidah, Mazidah; Suheryanto, Suheryanto; Sarno, Sarno
Sriwijaya Journal of Environment Vol 10, No 2 (2025): ECOLOGY AND ENVIRONMENTAL HEATLH
Publisher : Program Pascasarjana Universitas Sriwijaya

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Abstract

Heavy metal pollution, including lead (Pb), zinc (Zn), and copper (Cu) in swamp environments, is increasing and poses a significant threat to ecosystem integrity and human health. This study aims to evaluate the phytoremediation potential of Eleocharis dulcis in accumulating heavy metals in root, stem, and leaf tissues. The experimental method involved growing Eleocharis dulcis for 20 days in media artificially contaminated with Pb, Zn, and Cu metals at concentrations of 5, 10, and 15 ppm. Observations were made on metal accumulation in plant tissues on days 5, 10, 15, and 20. The results showed that concentration and duration of exposure significantly influenced the pattern of metal accumulation. The highest accumulations were recorded in leaf tissue, specifically Pb at 87.527 mg/kg, Zn at 32.93 mg/kg, and Cu at 43.522 mg/kg. These findings indicate that Eleocharis dulcis has selective metal uptake and translocation mechanisms and high tolerance to heavy metal stress, and has the potential to be an effective phytoremediation agent for the rehabilitation of heavy metal-contaminated wetlands and support sustainable environmental management.
Co-Authors Sarno Sarno Siregar, Brema Syahputra Suheyanto Suheryanto Widihastuty Widihastuty