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All Journal Jurnal Akademika Biologi Biogenesis: Jurnal Ilmiah Biologi Jurnal Biodjati Jurnal Riset Biologi dan Aplikasinya Proceeding Biology Education Conference
Erma Prihastanti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health

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Diversity and Distribution of Thalloid Liverworts in Mount Ungaran, Central Java, Indonesia Orsida, Fadla; Lilih Khotimperwati; Erma Prihastanti; Nadhifah, Ainun
Jurnal Riset Biologi dan Aplikasinya Vol. 6 No. 2 (2024)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrba.v6n2.p90-108

Abstract

Lumut hati talus merupakan komponen penting ekosistem hutan pegunungan, yang berperan penting dalam retensi air, daur hara, dan sebagai indikator kualitas lingkungan. Tumbuhan rendah ini termasuk dalam kelompok polifiletik atau memiliki nenek moyang yang berbeda, tetapi memiliki bentuk yang mirip dan dapat bertahan hidup di ekosistem darat. Tujuan penelitian ini adalah untuk memperbarui informasi tentang identifikasi, klasifikasi, dan distribusi lumut hati talus di lereng Gunung Ungaran sehingga dapat mengungkap wawasan berharga tentang keanekaragaman hayati tumbuhan, dinamika ekosistem, dan potensi aplikasinya di berbagai bidang. Metode pengambilan sampel menggunakan teknik purposive sampling, plot, dan identifikasi literatur taksonomi. Hasil sebaran lumut hati talus di ketiga stasiun tersebar luas dan ditemukan 4 famili dengan 6 spesies lumut hati talus kompleks, yaitu Marchantia polymorpha L., Marchantia emarginata Reinw., Blume et al., Marchantia treubii Schiffn., Wiesnerella denudata (Mitt.) Steph., Dumortiera hirsuta (SW.) Nees., dan Cyathodium smaragdinum Schiffn yang termasuk dalam kelas Marchantiopsida. Selain itu, ditemukan 3 famili dengan 3 spesies lumut hati talus sederhana, yaitu Riccia treubiana Steph yang termasuk dalam kelas Marchantiopsida; Metzgeria furcata (L.) Dumort; dan Aneura maxima Schiffn yang termasuk dalam kelas Jungermaniopsida.
The Utilization Vigna radiata Extract, Coconut Water and Root-Up on The Growth of Bruguiera gymnorrhiza Seedlings Desi Melianawati; Erma Prihastanti; Sri Haryanti; Endah Dwi Hastuti; Felina Pranata Irawan
Jurnal Biodjati Vol 10 No 1 (2025): May
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v10i1.39354

Abstract

Mangrove forests are declining significantly. Hence, artificial rehabilitation through plant seedlings is necessary. However, failure often occurs due to the low quality of available seedlings. One solution to improve the seedling's quality is the application of growth regulators during mangrove rehabilitation. This study aimed to examine the effect of natural plant growth regulators, namely coconut water and V. radiata extract, as well as the synthetic plant growth regulator root up on the growth of Brugueira  gymnorrhiza seedlings. The research method employed was a Completely Randomized Design (CRD) with a single factor consisting of four treatments and five replications, as follows: P0 = Control, P1 = 100% coconut water, P2 = 10% root up, and P3 = 100% Vigna radiata extract. The observation parameters included plant height, number of leaves, root length, number of roots, stem diameter, and wet weight. Data analysis was conducted with ANOVA and Duncan's Multiple Range Test., natural plant growth regulators (PGRs) considerably improved the growth characteristics of Bruguiera gymnorrhiza seedlings compared to the control and synthetic PGR treatment (Root-Up) (p < 0.05). Among the treatments, Vigna radiata extract had the most impact, with the maximum plant height (51.2 cm), stem diameter (15.264 mm), number of roots (10.6), and fresh weight (33.8 g). Furthermore, the application of coconut water resulted in a considerable rise in the number of leaves, reaching an average of 5.8, as well as increased root elongation with an average length of 10.188 cm. In contrast, using root up at a 10% concentration resulted in no statistically significant improvement in any of the evaluated metrics.
Co-Authors A Amirudin Agus Subagio Agus Subagyo Ainun Nadhifah, Ainun Ayu Sofiana Desy Desi Arisanti Desi Melianawati Devi Sara Dyah Ayu Kusuma Ningrum Endah Dwi Hastuti Endang Kusdiyantini Felina Pranata Irawan Imroatul Khasanah Lilih Khotimperwati Munifatul Izzati Noor Laila Safitri Nurrahmah Azizah Orsida, Fadla Sri Haryanti Sri Widodo Agung Suedy Widi Hastuti