Hamid, Sofwan (2025) IDENTIFIKASI GULMA BERDASARKAN TINGKAT TOPOGRAFI DI LAHAN BUDIDAYA TALAS BENENG (Xanthosoma Undipes K.koch). S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
Research on weed diversity in taro beneng cultivation areas at various altitudes in Banten is essential for providing baseline data to support effective weed management strategies. Weed diversity is influenced by internal factors, such as adaptation mechanisms and reproductive strategies, as well as external factors, including environmental conditions, temperature, soil fertility, and altitude. This study was conducted from August to September 2024 and examined weed diversity in lowland (343 m a.s.l., Talaga Warna Village, Serang), midland (615 m a.s.l., Cinyurup Village, Pandeglang), and highland (761 m a.s.l., Kaduengang Village, Pandeglang) areas. Sampling was carried out using a purposive method with three plots per elevation zone. Field observations utilized various weed identification tools, including the PictureThis and Google Lens applications. Data analysis included calculations of Absolute and Relative Density, Frequency, Dominance, Importance Value Index (IVI), Summed Dominance Ratio (SDR), and the Shannon Diversity Index (H'). Results showed that Synedrella nodiflora had the highest density in the lowlands, Ageratum conyzoides in the midlands, and Vandellia diffusa in the highlands. The Shannon Diversity Index values were 0.88 (lowland), 1.89 (midland), and 2.68 (highland), indicating increasing weed diversity with altitude. These findings suggest that elevation significantly influences weed diversity, with higher altitudes supporting more diverse weed communities due to variations in climate and environmental conditions. This study underscores the importance of topography in shaping weed populations and provides valuable insights for site-specific weed management in taro beneng cultivation.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Penelitian tentang keberagaman gulma di area budidaya talas beneng pada berbagai ketinggian di Banten sangat penting untuk memberikan data dasar yang mendukung strategi pengelolaan gulma yang efektif. Keberagaman gulma dipengaruhi oleh faktor internal, seperti mekanisme adaptasi dan strategi reproduksi, serta faktor eksternal, termasuk kondisi lingkungan, suhu, kesuburan tanah, dan ketinggian. Penelitian ini dilakukan dari Agustus hingga September 2024 dan mengkaji keberagaman gulma di daerah dataran rendah (343 m dpl, Desa Talaga Warna, Serang), dataran tengah (615 m dpl, Desa Cinyurup, Pandeglang), dan dataran tinggi (761 m dpl, Desa Kaduengang, Pandeglang). Pengambilan sampel dilakukan dengan metode purposive dengan tiga plot di setiap zona ketinggian. Observasi lapangan menggunakan berbagai alat identifikasi gulma, termasuk aplikasi PictureThis dan Google Lens. Analisis data meliputi perhitungan Kepadatan Absolut dan Relatif, Frekuensi, Dominasi, Indeks Nilai Penting (IVI), Rasio Dominasi Terhitung (SDR), dan Indeks Keberagaman Shannon (H'). Hasil penelitian menunjukkan bahwa Synedrella nodiflora memiliki kepadatan tertinggi di dataran rendah, Ageratum conyzoides di dataran tengah, dan Vandellia diffusa di dataran tinggi. Nilai Indeks Keberagaman Shannon adalah 0,88 (dataran rendah), 1,89 (dataran tengah), dan 2,68 (dataran tinggi), yang menunjukkan peningkatan keberagaman gulma seiring dengan ketinggian. Temuan ini menunjukkan bahwa ketinggian secara signifikan mempengaruhi keberagaman gulma, dengan ketinggian yang lebih tinggi mendukung komunitas gulma yang lebih beragam akibat perbedaan iklim dan kondisi lingkungan. Penelitian ini menegaskan pentingnya topografi dalam membentuk populasi gulma dan memberikan wawasan yang berharga untuk pengelolaan gulma yang spesifik lokasi pada budidaya talas beneng. | |||||||||
| Subjects: | S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture |
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| Divisions: | 04-Fakultas Pertanian 04-Fakultas Pertanian > 54211-Program Studi Agroekoteknologi |
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| Depositing User: | Mr Sofwan Hamid | |||||||||
| Date Deposited: | 29 Apr 2025 03:21 | |||||||||
| Last Modified: | 29 Apr 2025 03:21 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/48302 |
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