Hidayat, Khoerul Anwar (2023) SKRIPSi : UJI EFEKTIVITAS HERBISIDA NABATI EKSTRAK RIMPANG ALANG-ALANG (Imperata cylindrica (L.) P. Beauv.), BRANDJANGAN (Rottboellia cochinchinensis (Lour.) W.D. Clayton), DAN LAMPUYANGAN (Panicum repens L.) PADA GULMA DI PERTANAMAN KOPI. Diploma thesis, Politeknik Negeri Lampung.
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Abstract
The existence of weeds can cause a decrease in coffee bean production and damage to coffee crops. Generally, farmers using synthetic herbicides to control weeds. However, synthetic herbicides contain glyphosate compounds which are toxic to coffee. Therefore, another alternative can be used is organic herbicide, namely herbicides made from natural ingredients containing allelochemical compounds. The purpose of this study to find the effective herbicides for controlling weeds in coffee crops. The three plants of this research is Imperata cylindrica L, Rottboellia cochinchinensis, Panicum repens L. This research was conducted in the practicum field of immature coffee crops and the Lampung State Polytechnic Analysis Laboratory. The research began in October 2022 until December 2022. This study used a single factor randomized block design (RBD) with 6 replications. The treatment was B0 = control, B1 = Imperata cylindrica L. rhizome, B2 = Rottboellia cochinchinensis, and B3 = Panicum repens L. with spray volume 660ml.plot-1 and 16% concentration. If significantly, continue with Least Significant Difference (LSD) in 5%. The research variables consisted of identification of weeds, amount of weeds, types of weeds, Summed Dominance Ratio (SDR), weeds death rate, and dry weight of weeds. The results of this study were herbicides from the rhizome extract of Imperata cylindrica L, Rottboellia cochinchinensis, Panicum repens L with a 16% concentration , had no effect as weed control in coffee crops
| Item Type: | Thesis (Diploma) |
|---|---|
| Subjects: | S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture |
| Divisions: | Jurusan Budidaya Tanaman Perkebunan > Prodi D4 Produksi dan Manajemen Industri Perkebunan |
| Depositing User: | mrs Frika Adelaide Lubis |
| Date Deposited: | 28 Feb 2024 03:35 |
| Last Modified: | 28 Feb 2024 03:35 |
| URI: | http://repository.polinela.ac.id/id/eprint/5183 |
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