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      Pengaruh Ekstrak Kulit Jeruk Nipis Terhadap Hama Ulat Grayak di Pembibitan Kopi Arabika (Coffea arabica L.) PT. Sulotco Jaya Abadi

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      Date
      2025
      Author
      N, Muh Arfa Maarif .
      Pratama, Agief Julio
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      Abstract
      MUH. ARFA MAARIF. N. Pengaruh Ekstrak Kulit Jeruk Nipis Terhadap Hama Ulat Grayak di Pembibitan Kopi Arabika (Coffea arabica L.) PT. Sulotco Jaya Abadi. Dibimbing oleh AGIEF JULIO PRATAMA. Kopi merupakan salah satu tanaman komoditas perkebunan Indonesia memiliki peranan produksi terbesar keenam setelah tanaman kelapa sawit, kakao, karet, tebu, dan teh. Penelitian bertujuan untuk menganalisis pengaruh ekstrak kulit jeruk nipis digunakan sebagai insektisida nabati di pembibitan kopi arabika PT. Sulotco Jaya Abadi dalam pengendalian hama ulat grayak. Percobaan dilakukan dengan Rancangan Acak Kelompok untuk perlakuan ekstrak kulit jeruk nipis pada 4 taraf dan pengulangan sebanyak 3 kali, sehingga mendapatkan 12 satuan percobaan. Perlakuan meliputi konsentrasi ekstrak kulit jeruk nipis 0% (P1), 12%. (P2), 18% (P3), dan 24% (P4). Data dianalisis menggunakan uji ANOVA dan uji lanjut DMRT pada taraf 5%. Tingkat serangan hama ulat grayak pada 4 konsentrasi berbeda menunjukkan bahwa serangan tertinggi ditemukan di konsentrasi 0% dengan paramater kerusakan daun berlubang 13,00 helai, daun robek 12,33 helai, dan daun terlipat 11,00 helai dan serangan terendah ditemukan pada konsentrasi 24% dengan persentase kerusakan daun berlubang 6,33 helai, daun robek 5,66 helai, dan daun terlipat 5,00 helai. Hal tersebut menunjukan bahwa semakin tinggi perlakuan ekstrak kulit jeruk nipis maka peredaran hama ulat grayak pada bibit kopi arabika yang berumur 0-30 HST semakin kecil.
       
      MUH. ARFA MAARIF. N. The Effect of Lime Peel Extract on Armyworm in Arabica Coffee (Coffea arabica L.) Nurseries at PT. Sulotco Jaya Abadi. Supervised by AGIEF JULIO PRATAMA. Coffee is one of Indonesia’s plantation commodities, ranking sixth in production after oil palm, cocoa, rubber, sugarcane, and tea. This research aimed to analyze the effect of lime peel extract as a botanical insecticide in controlling armyworm pests in Arabica coffee nurseries at PT. Sulotco Jaya Abadi. The experiment was conducted using a Randomized Block Design (RBD) with four concentration levels of lime peel extract and three replications, resulting in twelve experimental units. The treatments consisted of lime peel extract concentrations of 0% (P1), 12% (P2), 18% (P3), and 24% (P4). Data were analyzed using ANOVA and further tested with DMRT at a 5% significance level. The results showed that the highest level of armyworm infestation occurred at the 0% concentration, with leaf damage parameters recorded as 13.00 holed leaves, 12.33 torn leaves, and 11.00 folded leaves. Conversely, the lowest infestation was found at the 24% concentration, with an average of 6.33 holed leaves, 5.66 torn leaves, and 5.00 folded leaves. These findings indicate that the higher the concentration of lime peel extract applied, the lower the incidence of armyworm attacks on Arabica coffee seedlings aged 0–30 days after planting (DAP).
       
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      http://repository.ipb.ac.id/handle/123456789/170548
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