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INDONESIA
Jurnal Agrotropika
Published by Universitas Lampung
ISSN : 02167662     EISSN : 27457737     DOI : 10.23960
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Scientific article dealing with broad aspects of tropical agronomy including crop production, horticulture, plant pests and diseases, post-harvest, sustainable agriculture, soil science, climatology, ecology, biodiversity, and ethno-agronomy.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 252 Documents
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Penggunaan Tiga Macam Mulsa Organik dan Tingkat Ketebalan pada Pertumbuhan dan Hasil Tanaman Kedelai (Glycine max (L.) Merrill) Varietas Grobogan Putri, Meyva Dinda Rutma; Triyono, Kharis; Sumarmi, Sumarmi
JURNAL AGROTROPIKA Vol 23, No 2 (2024): Jurnal Agrotropika Vol 23 No 2, Oktober 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i2.8765

Abstract

The research was carried out from October 2023 to January 2024 at the Tohudan Horticultural Seed Garden, Colomadu District, Karanganyar Regency. This research used a Polynomial Split Plot Design consisting of 2 treatment factors, namely the use of three types of organic mulch consisting of 4 levels, namely M0 (control) plastic mulch, M1 (rice straw mulch), M2 (banana stem mulch), M3 (stem corn mulch) and the level of mulch thickness consisting of 3 levels, namely T1 (1 cm thickness), T2 (2 cm), T3 (3 cm). The results showed that the banana stem mulch treatment with a thickness of 3 cm gave the best results for soybean growth with a plant height of 106.67 cm and a number of leaves of 102.33. Banana stem mulch treatment with a thickness of 1 cm gave the best results for the growth of soybeans with a leaf area of 103.00 m2. Banana stem mulch treatment with a thickness of 2 cm gave the best yield of soybean with a number of pods of 87.00 pods, a number of seeds of 215.67, a seed weight of 27.67 grams, a weight of 100 seeds of 10.00 grams. The treatments of plastic mulch and organic mulch of 3 cm thickness provide the best results for suppressing weed growth.  Keywords: plastic mulch, organic mulch, thickness, soybean 
Keragaan Pertumbuhan Tanaman Kopi New Planting Sistem Intensifikasi Berkelanjutan Evizal, Rusdi; Prasmatiwi, Fembriarti Erry
JURNAL AGROTROPIKA Vol 23, No 2 (2024): Jurnal Agrotropika Vol 23 No 2, Oktober 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i2.9812

Abstract

Coffee establisment including new planting and replanting is an important effort for sustainable coffee production. This research aims to determine the growth performance of coffee establishment that implement a sustainable intensification system. This research uses survey methods and field experiment. The survey was carried out by interviewing coffee farmer respondents who were obtained randomly from farmer groups in Tanggamus. The field experiment was carried out in the demonstration plot of the Makmur Farmers Group, Sidomulyo Village, Air Naningan District, Tanggamus Regency. The land used is land clearing of an old cocoa plantation, by tilling the land twice using a tractor, using superior local seeds, setting plant distances using a hedge system, applying biochar, planting intercrops and planting shade trees. From the survey results, it can be concluded that coffee farmers apply the principles of sustainable intensification in coffee planting, namely planting coffee with a hedge system, intercropping with annual crops and bananas, and applying soil amendments, especially coffee skin waste and manure. The results of the plot experiment concluded that corn intercropping with tillage at the beginning of coffee planting gave good yield in 2 planting seasons while in the third season productivity decreased greatly. The long dry season is the main obstacle in coffee establisment, includes causing plant death and inhibiting plant growth which is showed by wavy and closing leaves, yellowing leaves, malformed young leaves, and wilting leaves. Cultivating corn plants between row of 2 years old coffee does not affect the vegetative or generative growth of coffee. It does not inhibit the growth of coffee plants as indicated by plant height, number of primary branches, length of primary branches, stem diameter, number of nodes per primary branch, and number of flower bunch per tree. Key words: Coffee, sustainable intensification, new planting, symptoms, yellowing leaves, wilting
Pengaruh Pemberian Porasi Janjang Kosong dan Dolomit terhadap Pertumbuhan dan Hasil Tanaman Bayam Merah Salampak, Salampak; Sustiyah, Sustiyah; Anwar, Moch; Beladona, Siti Unvaresi Misonia; Hartoko, Galih; Wahyuningtyas, Meylinda Dwi
JURNAL AGROTROPIKA Vol 23, No 2 (2024): Jurnal Agrotropika Vol 23 No 2, Oktober 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i2.9190

Abstract

The utilization of peat soil as a planting medium is still faced with several problems, especially in terms of the chemical characteristics of peat soil. Therefore, there is a need for treatment to improve these problems, one of which is by using the poration of palm oil empty fruit bunches and dolomite. This research aims to determine the effect of providing a technology package of empty fruit bunch and dolomite poration doses on the growth and yield of red spinach plants. The research was carried out at the Greenhouse Jalan G. Obos 24, for 3 months (September-November 2023). The research was carried out using a survey method and experimental tests in polybags, using the RAL method with 9 treatment technology packages, namely: 1) soil without treatment (control), 2) Soil + empty fruit bunches poration 2.5 tons ha-1 + dolomite 2 tons ha-1, 3) Soil + 2.5 tons ha-1 of empty fruit bunches poration + 4 tons of ha-1 dolomite, 4) Soil + 5 tons of ha-1 of empty fruit bunches poration, 5) Soil + 5 tons ha-1 of empty fruit bunches poration + 2 tons ha-1 dolomite, 6) Soil + empty fruit bunches poration 5 tons ha-1 + dolomite 4 tons ha-1, 7) Soil + empty fruit bunches poration 7.5 tons ha-1, 8) Soil + empty fruit bunches poration 7.5 tons ha-1 + dolomite 2 tons ha-1 , 9) Soil + empty fruit bunches poration 7.5 tons ha-1 + dolomite 4 tons ha-1. The variables observed included plant height, stem diameter, root length, plant wet weight, and plant dry weight. Providing a package of peat soil + 7.5 tons ha-1 of empty fruit bunches poration + 4 tons of ha-1 dolomite (T(8)) can increase the growth of red spinach plants which include plant height (4.46 – 37.36 cm), stem diameter (4.48 – 7.06 cm), the wet weight of the plant is 26.10 g/polybag. Keywords : poration, dolomite, plant height, palm oil empty fruit bunch 
Tingkat Ketuaan Bahan Setek dan Konsentrasi IAA pada Pertumbuhan Setek Lada Sugiatno, Sugiatno; Nurmauli, Niar; Susanto, Herry
JURNAL AGROTROPIKA Vol 23, No 2 (2024): Jurnal Agrotropika Vol 23 No 2, Oktober 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i2.9338

Abstract

Pepper plant propagation generally uses stem cuttings. Choosing the maturity level of the cutting will determine the subsequent growth of the cutting, because the body parts of the plant contain different food reserves and endogenous auxin. The growth regulator Indole Acetic Acid is used to stimulate the growth of roots and shoots of cuttings. The research aims to determine the effect of the level of maturity of the cutting material and IAA concentration on the growth of pepper seedlings and to determine the effect of the interaction between the two treatments. Research was carried out in the Greenhouse and Plant Science Laboratory, Faculty of Agriculture, University of Lampung. The experimental design used a completely randomized design (RTS), homogeneity was tested with the Bartlett test, non-additivity was tested with the Tukey test. Analysis of variance and least significant difference test (LSL) were carried out at the 5% level. The research results concluded (1). Cuttings originating from the middle part grew faster, namely in sprouting shoots, length of cutting shoots, number of leaves, and dry weight, but there was no significant difference in the dry weight of cutting roots. (2). An IAA concentration of 500 ppm gave the best response to shoot sprouting, shoot length of cuttings, number of leaves, and root dry weight. (3). Cuttings originating from the middle section that were applied with IAA 500 ppm were the best combination in terms of shoot emergence, shoot length, number of leaves, and shoot dry weight. Key words: cuttings, indole acetic acid, black pepper
Pengaruh Limbah Ampas Kopi sebagai Pupuk Organik Cair (POC) pada Pertumbuhan Bibit Kopi Robusta Propelegetim BP 42 X BP 358 di Main Nursery Hartari, Widia Rini; Same, Made; Rahmawati, Dewi; Kusumastuty, Any
JURNAL AGROTROPIKA Vol 23, No 2 (2024): Jurnal Agrotropika Vol 23 No 2, Oktober 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i2.9094

Abstract

Coffee drink is a drink extracted from coffee beans that produces spent coffee grounds, which have macro chemical compounds for plants in terms of growth and development, namely Ca, Mg and N, P, K. The purpose of this study was to obtain the best dose of liquid organic fertilizer (LOF) from spent coffee grounds for the growth of coffee seedlings. The study was conducted from January to June 2023 at the Lampung State Polytechnic Practice Park, Bandar Lampung. This study used a Randomized Block Design, consisting of 4 doses of liquid organic fertilizer treatment (P0 = 0, P1 = 50 ml, P2 = 100 ml and P3 = 150 ml per polybag) with the observed variables being plant height, number of leaves, stem diameter and dry root weight at 14 to 84 days after planting (DAF). The results of this study are that the application of LOF from spent coffee grounds affects the height of coffee seedlings at 14 and 28 DAF, the number of leaves at 84 DAF, and the diameter of the stem at the age of 56, 70, 84 DAF, but does not affect the dry root weight. The best treatment is the application of LOF with a dose of 100 ml/polybag which has a major effect on plant height, number of leaves and stem diameter. Keywords: dregs, dose, spent coffee, liquid fertilizer
PENGARUH POTENSIAL OSMOTIK LARUTAN EKSTRAK BAWANG MERAH TERHADAP OPTIMALISASI MUTU FISIOLOGIS BENIH KEDELAI (Glycine max L.) KULTIVAR ANJASMORO YANG TERDETERIORASI Kadapi, Muhamad; Suminar, Erni; Na’im, Aidi
JURNAL AGROTROPIKA Vol 24, No 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.9848

Abstract

The longevity of soybean seed was caused to chemical compound such the protein that being easy to change by in environmental conditions during storage. Therefore, the application in increasing vigor of seed before sowing is required such as organic priming. This study aimed to determine the effect of osmotic potential treatment of shallot extract solution on the physiological quality of deteriorated soybean seeds, Anjasmoro cv based on the different osmotic potential. The research was conducted from August to September 2022 at the Seed Technology Laboratory, Faculty of Agriculture, Padjadjaran University. The experimental design used in this study was a completely randomized design (CRD) with four treatment levels of osmotic potential: 0.04 MPa (control), -0.06 MPa, -0.08 MPa, and -0.27 MPa, and four replications and duplo for each treatment. The data results were analysed using ANOVA at the 5% significance level and the post hoc analysis used the Least Significant Difference test at the 5% level of significance. The results showed significant differences in the germination rate, vigour index, growth speed, and simultaneity of growth. In contrast, there was a non-significant in the normal dry weight of seedlings among treatments. The osmotic potential treatment of shallot extract solution at -0.08 MPa affects physiological quality as shown in germination rate (75.94%), vigor index (5.87), growth speed (30.78%/ethmal), and growth simultaneity of growth (63.75%) trait. This study suggests that the osmotic potential content of shallot extract solution can optimize the physiological quality of deteriorated soybean seeds.
POTENSI Trichoderma asperellum TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KEDELAI TERINFEKSI SOYBEAN MOSAIC VIRUS Nisa, Indah Hafidhotun; Lamdo, Herfandi; Yanto, Yanto
JURNAL AGROTROPIKA Vol 24, No 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.10105

Abstract

Soybean Mosaic Virus (SMV) is a species in the Potyvirus genus, which is a plant RNA virus known to attack important agricultural crops. Infection by SMV during early growth can reduce productivity by 25.48% to 93.84% in soybean plants. Trichoderma plays a role through the contact of spores on root surfaces, leading to the production of plant defenses such as peptides and proteins, and assisting in nutrient absorption, thereby allowing Trichoderma to control pathogen growth and enhance plant growth and yield. This research aims to determine the effect of Trichoderma asperellum doses on the growth and yield of soybean plants infected with Soybean Mosaic Virus. The study was conducted from June to September 2024 using an experimental method with a randomized block design consisting of 4 replications and 6 treatment levels: T0 = 0 ml (control), T1 = 10 ml, T2 = 20 ml, T3 = 30 ml, T4 = 40 ml, T5 = 50 ml per plant with each 1 ml containing spore count of T. asperellum = 46.5 x 102 spores). The results showed that the dose of Trichoderma asperellum had a real effect on the growth and yield of soybean plants infected with Soybean Mosaic Virus. The application of Trichoderma asperellum was able to increase plant height by 36.33%, the number of leaves by 42.36%, the wet weight of the plant by 48.97%, the dry weight of the plant by 48.03%, the dry weight of the roots by 64.43%, and the number of pods by 34.26% in soybean plants compared to no application of Trichoderma asperellum. Administration of Trichoderma asperellum 50 ml dose obtained the best growth and results.
PENGARUH KONSENTRASI PACLOBUTRAZOL DAN DOSIS PUPUK NPK TERHADAP PERTUMBUHAN DAN HASIL PRODUKSI TANAMAN KACANG PANJANG (Vigna sinensis L.) Fitriana, Vira Divka; Sulistyono, Agus; Widiwurjani, Widiwurjani
JURNAL AGROTROPIKA Vol 24, No 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.8905

Abstract

Kacang panjang merupakan komoditas hortikultura yang tumbuh menjalar dan banyak dimanfaatkan oleh masyarakat Indonesia sebagai sayuran yang dikonsumsi sehari hari karena nilai gizi yang cukup tinggi. Namun, hasil produksi tanaman kacang panjang di Indonesia masih rendah dibandingkan dengan negara-negara lain. Penyebab rendahnya produksi tanaman kacang panjang dan penurunannya dari tahun ke tahun meliputi teknik bertanam yang kurang optimal, keterbatasan pengetahuan petani dalam budidaya, penggunaan varietas lokal dengan produktivitas rendah, serta pemupukan yang tidak tepat sehingga produktivitas tanaman kacang panjang menjadi rendah. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi paclobutrazol dan dosis pupuk NPK terhadap pertumbuhan dan hasil tanaman kacang panjang. Penelitian dilakukan di Desa Dander, Kecamatan Dander, Kabupaten Bojonegoro, Jawa Timur, dari Desember 2023 hingga Maret 2024. Rancangan penelitian menggunakan Rancangan Petak Terbagi (RPT) dengan 2 faktor yang diulang sebanyak 3 kali. Faktor pertama adalah konsentrasi paclobutrazol (P) dengan 4 tingkat perlakuan: 0 ppm (P0), 125 ppm (P1), 150 ppm (P2), dan 175 ppm (P3). Sedangkan faktor kedua adalah dosis pupuk NPK (N) dengan 4 tingkat perlakuan: 300 kg/ha (N1), 350 kg/ha (N2), 400 kg/ha (N3), dan 450 kg/ha (N4). Hasil penelitian menunjukkan bahwa konsentrasi paclobutrazol berpengaruh signifikan terhadap panjang tanaman, jumlah daun, umur muncul bunga, jumlah bunga, berat polong total per tanaman, berat polong total per petak, berat polong per hektar, diameter polong, dan daya simpan. Sementara itu, dosis pupuk NPK berpengaruh signifikan terhadap panjang tanaman pada 42-63 HST, jumlah daun pada 21 HST, 35 HST, dan 42 HST dan diameter polong. Interaksi antara konsentrasi paclobutrazol dan dosis pupuk NPK yang paling optimal terjadi pada perlakuan dengan konsentrasi paclobutrazol 150 ppm dan dosis pupuk NPK 450 kg/ha, yang dapat meningkatkan diameter polong.
EFIKASI HERBISIDA PARAKUAT DIKLORIDA 276 g/l TERHADAP PENGENDALIAN GULMA PADA BUDIDAYA KAKAO BELUM MENGHASILKAN Susanto, Herry; Aslamiah, Aslamiah; Evizal, Rusdi; Pujisiswanto, Hidayat
JURNAL AGROTROPIKA Vol 24, No 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.10495

Abstract

The growth of weeds in immature cocoa plants is highly susceptible to competition for water, nutrients, and light, which can disrupt the growth of cocoa plants. Efforts to manage cocoa cultivation include weed control using the chemical herbicide paraquat dichloride, a non-selective contact herbicide. This study aimed to determine the effective dosage of paraquat dichloride for controlling weeds in immature cocoa plants, changes in weed composition, and phytotoxicity on immature cocoa plants following the application of paraquat dichloride. The study was conducted in Talang Sepuh Village, Talang Padang Sub-district, Tanggamus Regency, from March–May 2024. The research employed a Randomized Complete Block Design (RCBD) with six treatments and four replications. Treatments included paraquat dichloride at doses of 414 g/ha, 552 g/ha, 690 g/ha, 828 g/ha, mechanical weeding, and a control group (no weed control). Data variance homogeneity was tested using Bartlett's test, and data additivity was evaluated with Tukey's test. If the assumptions were met, the mean difference was analyzed using the Least Significant Difference (LSD) test at a 5% significance level. The results indicated that paraquat dichloride at doses of 414–828 g/ha effectively controlled total weeds, broadleaf weeds, and dominant weeds (Eleusine indica, Praxelis clematidea, and Synedrella nodiflora). Meanwhile, doses of 552–828 g/ha were effective in controlling grass weeds and dominant weeds (Ottochloa nodosa and Asystasia gangetica). The application of paraquat dichloride did not alter weed composition and did not cause phytotoxic effects on immature cocoa plants..Keywords : Herbicide, Paraquat dichloride, Weed, Immature cocoa.
PERTUMBUHAN DAN HASIL TANAMAN MELON PADA BERBAGAI MEDIA TANAM DAN SISTEM PEMBERIAN HARA Ikrimah, Dhiya Ul; Pratama, Deni; Zasari, Maera
JURNAL AGROTROPIKA Vol 24, No 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.9600

Abstract

One of the efforts to deal with this problem can be through the use of planting media and the right nutrient system. This study aims to determine the influence of the type of bark planting medium, nutrient system and interaction on the growth and yield of Honey Dew. This study uses a Factorial Group Random Design. Treatment cempedak bark planting medium with drip irrigation, cempedak bark planting medium with direct watering, sengon bark planting medium with drip irrigation, sengon bark planting medium with direct watering, pine bark planting medium with drip irrigation, and pine bark planting medium with direct watering. Research of results showed that the use of bark planting media had a significant effect on fruit length and fruit diameter. The nutrient system has a significant effect on plant height, number of leaves, stem diameter, fruit weight, fruit length, number of seeds in the fruit, moisture content and sugar content. The interaction of the type of bark planting medium with the nutrient system only had significant effect on the percentage of potential fruit falls. Cempedak bark planting media shows the best growth and yield of Honey dew. The drip irrigation nutrient application system showed the best honey dew growth and yield and the interaction of pine bark planting media type and drip irrigation system gave the best honey dew crop yield.Keywords : honey dew, sengon bark, cempedak bark, pine bark, nutrient application system.

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