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All Journal Agrovigor: Jurnal Agroekoteknologi AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Jurnal Agrotek Tropika Agricultural Science
Bela Ayu Pratiwi
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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PENGARUH PEMOTONGAN BIJI DAN APLIKASI GA3 TERHADAP PERKECAMBAHAN TANAMAN ALPUKAT (Persea americana Mill.) SEBAGAI UPAYA PENYEDIAAN ROOTSTOCK YANG BERADAPTASI LUAS Pratiwi, Bela Ayu; Yusnita, Yusnita; Hapsoro, Dwi; Karyanto, Agus; Ramadiana, Sri
Jurnal Agrotek Tropika Vol. 13 No. 1 (2025): JURNAL AGROTEK TROPIKA VOL 13, FEBRUARI 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i1.6802

Abstract

Batang bawah (rootstock) yang digunakan dalam perbanyakan alpukat melalui grafting umumnya berasal dari biji sehingga menghasilkan perakaran yang kuat dan dapat beradaptasi luas. Namun, biasanya beberapa biji mengalami perkecambahan dan pertumbuhan yang terhambat sehingga rootstock yang diperlukan untuk dilakukan penyambungan menjadi tidak seragam dalam pertumbuhannya. Upaya yang dapat dilakukan untuk mengatasi hal ini yaitu dengan cara pemotongan biji bagian bawah dan aplikasi zat pengatur tumbuh (GA3). Penelitian ini dilakukan bertujuan untuk mempelajari pengaruh pemotongan biji bagian bawah, perendaman biji dalam beberapa konsentrasi GA3, dan kombinasi antara pemotongan biji bagian bawah dan perendaman biji dalam beberapa konsentrasi GA3 terhadap perkecambahan dan pertumbuhan seedling alpukat yang beradaptasi luas. Percobaan ini dilaksanakan dengan rancangan acak lengkap dengan perlakuan yang disusun secara faktorial (2x3) dan tiga ulangan. Faktor pertama yaitu pemotongan biji bagian bawah yang terdiri dari dua taraf yaitu tanpa pemotongan dan pemotongan, sedangkan faktor kedua yaitu perendaman dalam beberapa konsentrasi GA3 yang terdiri dari 3 taraf yaitu 0, 250, dan 500 ppm. Data pengamatan yang diperoleh dilakukan uji F dan uji lanjut menggunakan beda nyata terkecil dengan taraf 5%. Hasil penelitian menunjukkan bahwa pemotongan biji bagian bawah mampu mempercepat tercapainya semua biji berkecambah (100%) dalam 4 minggu setelah tanam (MST) pada semua perlakuan GA3, sedangkan tanpa pemotongan biji belum semuanya berkecambah kecuali pada perlakuan aplikasi GA3 500 ppm. Perendaman biji dalam GA3 250 atau 500 ppm mempercepat perkecambahan biji dan meningkatkan pertumbuhan seedling alpukat.
Effect of Differences Growing Media and Controlled Release Fertilizer Dosages On The Growth Of Aglaonema Adi Noor Prayogi; Emi Yunida; Bela Ayu Pratiwi
AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Vol 12 No 2 (2025)
Publisher : UNIVED Press, Dehasen University Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/agritepa.v12i2.9836

Abstract

Purpose: This study aims to determine the effect of planting media composition and fertilizer dosage. Controlled Release Fertilizer (CRF) on the growth of Aglaonema 'Dud Unyamanee' as an effort to increase fertilization efficiency. Methodology: The experiment was conducted in greenhouse using a factorial Completely Randomized Design (CRD). The first factor is the planting medium (husk, husk + burnt husk, husk + cocopeat) and the second factor was the CRF dose (0 g and 2 g per plant). Observations were made on vegetative growth variables 10 weeks after planting. Results: Data analysis showed that 2 g CRF application significantly increased the number of leaves, leaf area, number of roots, root length, and stem diameter compared to the control. There was a significant interaction between the growing medium and CRF dose. Findings: Combination of rice husk media +cocopeatwith a CRF dose of 2 gr (M3D1) it was proven to produce the best growth in all observation variables. Novelty: This research applies the technology of slow release fertilizer (CRF) which has not been widely explored in Aglaonema cultivation to overcome the problem of inefficiency of conventional fertilizers. Originality: This study offers specific solutions for the use of media-based cocopeat which is combined with CRF to optimize nutrient absorption and reduce the environmental impact on potted ornamental plants. Conclusion: The use of mixed media of husk and cocopeat accompanied by the application of 2 grams of CRF is highly recommended to stimulate optimal growth of Aglaonema. Paper Type: Research Articles.
Vegetative growth and leaf greenness of oil palm seedlings as affected by chicken manure and compost in Ultisol subsoil media Dimas Prakoswo Widiyani; Bela Ayu Pratiwi; Tyas Dwi Chintya; Husna Husna; AH Maftuh Hafidh Zuhdi; Anggia Fanesa; Abdul Aziz; Lely Juli Anti Siregar
Agrovigor Vol 19, No 1 (2026)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v19i1.33257

Abstract

Oil palm seedling growth is highly affected by the planting media. The planting media commonly used in oil palm nurseries are derived from subsoil, which has low fertility levels and therefore requires improvement through the addition of organic fertilizers. The application of compost and chicken manure has been shown to enhance the growth of oil palm plants by increasing macro and micronutrient availability, improving organic matter content, enhancing soil structure, and supporting microbial activity. This study aimed to determine the optimal planting medium combination for the growth of oil palm seedlings during the main nursery stage. The experiment was arranged in a Randomized Complete Block Design (RCBD) with five treatments, namely: P0 = control (subsoil), P1 = 2:1 (subsoil + compost), P2 = 1:1 (subsoil + compost), P3 = 2:1 (subsoil + chicken manure), and P4 = 1:1 (subsoil + chicken manure). Each treatment was replicated four times, and the observed parameters included plant height, number of leaves, stem diameter, leaf greenness, and c-organic. The observed data were analyzed using an F-test, followed by a Least Significant Difference (LSD) test at the 5% significance level. The results showed that the addition of compost or chicken manure to the subsoil planting medium improved the growth of oil palm seedlings at the main nursery stage. The P4 treatment (subsoil + chicken manure at a 1:1 ratio) significantly improved plant height, number of leaves, stem diameter, and leaf greenness of oil palm seedlings, and produced the highest organic carbon content among treatments.
The Effect of Controlled Release Fertilizer On The Growth of Oil Palm (Elaeis Guineensis Jacq.) Seedlings In The Pre-Nursery Bela Ayu Pratiwi; Adi Noor Prayogi; Bambang Utoyo; AH. Maftuh Hafidh Zuhdi; Husna
Agricultural Science Vol. 9 No. 2 (2026): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i2.195

Abstract

Improving oil palm production can be achieved through better cultivation management, including proper nursery practices. The quality of seedlings at the early growth stage plays a crucial role in determining field performance, making efficient fertilization essential from the pre-nursery phase. One of the fertilization technologies developed to improve nutrient uptake efficiency is the application of Controlled Release Fertilizer (CRF). This study aimed to evaluate the effect of CRF compared with conventional NPK fertilizer on the growth of oil palm seedlings. The experiment was conducted for three months using a Completely Randomized Design (CRD) with four treatments: no fertilizer (P0), NPK (P1), NPK + CRF (P2), and CRF (P3). Data were analyzed using ANOVA at a 5% significance level, followed by the LSD test when significant differences were detected. The results showed that treatments P2, P3, and P4 produced better growth responses than the control in all observed parameters, including plant height, number of leaves, leaf greenness, stem diameter, and leaf area. Fertilizer application significantly improved seedling growth, while CRF, either applied alone or in combination with NPK, produced growth responses comparable to conventional fertilization. These findings indicate that CRF has the potential to be used as an effective fertilization alternative to support oil palm seedling growth in the pre-nursery.  
Co-Authors Abdul Aziz Adi Noor Prayogi Agus Karyanto AH Maftuh Hafidh Zuhdi AH. Maftuh Hafidh Zuhdi Anggia Fanesa Bambang Utoyo Dimas Prakoswo Widiyani DWI HAPSORO Emi Yunida Husna Husna Husna Lely Juli Anti Siregar Ramadiana, Sri Tyas Dwi Chintya YUSNITA YUSNITA