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All Journal Jurnal Biodjati 3BIO: Journal of Biological Science, Technology and Management
Pauline Elisabeth
Department of Biotechnology, School of Life Sciences and Technology, Institut Teknologi Bandung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Immunology & microbiology Neuroscience

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Comparative Efficacy of Florpyrauxifen-Benzyl, 2,4-D, and Penoxsulam on Water Hyacinth (Eichhornia crassipes [Mart.] Solms) Denny Kurniadie; Muhammadiyah; Milwan Fatya Cholis; Pauline Elisabeth
Jurnal Biodjati Vol 11 No 1 (2026): May
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v11i1.54412

Abstract

Water hyacinth (Eichhornia crassipes [Mart.] Solms) is one of the most problematic invasive aquatic weeds, causing severe ecological and economic damage in tropical regions. Herbicides are often considered the most efficient approach for managing aquatic weeds compared to mechanical or biological control methods. However, conventional herbicides such as 2,4-dichlorophenoxyacetic acid (2,4-D) require high application rates and may pose environmental risks. Therefore, new herbicides with greater efficacy at lower doses and improved environmental safety are required. This study aimed to evaluate the effectiveness of florpyrauxifen-benzyl, a novel auxin-mimicking herbicide, compared with 2,4-D and penoxsulam in suppressing the growth of E. crassipes. The experiment was conducted from April to June 2022 under greenhouse and open-field conditions using a randomized complete block design with ten treatments, each with three replications, namely Florpyrauxifen-benzyl (FB, 10 g a.i./ha), Penoxsulam (P, 12.5 g a.i./ha), and 2,4-D (400 g a.i./ha). The parameters observed included phytotoxicity symptoms, water loss, dry weight, and damage percentage. The results revealed that florpyrauxifen-benzyl at 15–20 g a.i./ha provided growth suppression comparable to 2,4-D at 600 g a.i./ha, while penoxsulam exhibited lower efficacy. In conclusion, florpyrauxifen-benzyl demonstrates strong potential as a low-dose, environmentally safer, and sustainable herbicide for the management of water hyacinth under tropical conditions in Indonesia, offering practical benefits in reducing chemical inputs for aquatic weed control programs
Effect of 6-Benzylaminopurine (BAP) on Apical Shoot Growth of Ramie (Boehmeria nivea L. Gaud.) Wonosobo Clone In Vitro Anne Nuraini; Esther Christy Natasya Hutajulu; Asri Peni Wulandari; Pauline Elisabeth; Muhammadiyah Muhammadiyah
3BIO: Journal of Biological Science, Technology and Management Vol. 8 No. 2 (2026)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2026.8.2.2

Abstract

Ramie (Boehmeria nivea L. Gaud.) is considered an important natural fiber crop, particularly due to its profitability. However, its propagation still faces some ultrapractical cases. When typical vegetative styles are used, the number of new shops created is relatively low, which makes large-scale production less effective. To address this conclusion, an in vitro study was conducted on the initial Wonosobo ramie clone. The aim was to determine how different concentrations of 6- benzylaminopurine (BAP) affect apical shoot conformation. Six concentrations of BAP (0, 0.5, 1.0, 1.5, 2.0, and 2.5 ppm) were examined in a completely randomized design with four replications. During the cultivation period, several responses were recorded. The study observed the time for shoot emergence, number of shoots formed, and leaf development across all treatments. The response varied across different concentrations, with certain treatments exhibiting slower shoot formation and lower quantities. The highest shoot accumulation was obtained at 1.5 ppm BAP. These results indicate that BAP is important for stimulating shoot extension, but its concentration must be carefully optimized, as both too low and too high levels are less effective. Based on these findings, BAP with 1.5 ppm is optimal for enhancing in vitro shoot production of ramie.
Co-Authors Anne Nuraini Asri Peni Wulandari Denny Kurniadie Esther Christy Natasya Hutajulu Milwan Fatya Cholis Muhammadiyah Muhammadiyah Muhammadiyah