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Rusdi Evizal
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Jurusan Agronomi dan Hortikultura, Gedung C Fakultas Pertanian, Universitas Lampung. Jln. Sumantri Brojonegoro No 1 Gedung Meneng, Bandar Lampung 35145, Indonesia
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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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Estimasi Produksi Padi Menggunakan Data Citra Satelit Landsat 8 dan Sistem Informasi Geografis di Kabupaten Sambas Kalimantan Barat Masara'T, Sudirman; Santoso, Pande Putu Agus
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.v23i2.9627

Abstract

Food security is a challenge in almost all developing countries with low to middle-income levels, including Indonesia. Rice, as one of the primary food sources and a pillar of Indonesian society, has shown a decline in both production and productivity in recent years. This decline in rice production and productivity is attributed to the conversion of productive rice fields due to the high input costs required for each planting season. This situation arises from the limited ability of farmers to make accurate production estimates over large areas and within short timeframes. This research was conducted in Sambas Regency, West Kalimantan, in 2024 with the goal of estimating rice production using satellite imagery technology and geographic information systems (GIS) in Sambas Regency. The data used were obtained through sampling methods in each sub-district, and the imagery data were acquired from Landsat 8 satellites, processed using the Normalized Difference Vegetation Index (NDVI) combined with GIS, and analyzed using QGIS 3.36.3 software. The analysis indicates that the coefficient of determination for rice productivity is highly influenced by the NDVI value, which is 90%, with the formula y = 3.9453x + 0.5287. Consequently, the average rice production in Sambas Regency in 2024 is 2.36 tons/ha.Keywords : imagery, NDVI, Qgis, rice
PEMBUNGAAN TANAMAN SPATIFILUM (Spathiphyllum wallisii Regel) AKIBAT PENGARUH RESIDU PEMBERIAN BENZILADENIN (BA) PADA PERIODE KEDUA Rugayah, Rugayah; Warganegara, Hayane Adeline; Karyanto, Agus; Ardanti, Ade Novia
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.v24i1.9675

Abstract

Spatifilum is classified as a shade plant that can survive in environments with minimal sunlight or shading Spatifilum plants are known to absorb toxins or clean indoor air from pollutants such as benzene and formaldehyde. Efforts to stimulate flowering and the emergence of spatifilum seedlings include using a growth regulator in the form of benzyladenine (BA). The aim of this research was to determine the difference in the effect of residual BA with and without BA on the flowering of spatifilum plants in the second period. Data collection was carried out in August – November 2022 at the Horticulture Greenhouse, Faculty of Agriculture, University of Lampung. This research used a Complete Randomized Block Design (RAKL) with a single treatment. The treatment consisted of 5 BA concentration treatments, namely 0 ppm, 20 ppm two applications, 20 ppm four applications, 40 ppm two applications, and 40 ppm four applications with four repetitions. The data from this research were analyzed using the barlet test and the additivity test was carried out using the Tukey test. Then the data was analyzed using variance (Anara) and orthogonal contrast tests. The results of the research showed that there were significant differences in the variables of increasing the number of seedlings and increasing the number of flowers. BA concentration of 20 ppm was significantly able to increase the number of offspring compared to a concentration of 40 ppm, meanwhile, a concentration of 40 ppm with a frequency of giving 2x significantly increased the number of flowers compared to a frequency of giving 4x
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 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.
PENGARUH DOSIS DAN INTERVAL PUPUK DASAR TERHADAP PERTUMBUHAN TANAMAN NANAS (Ananas comosus [L.] Merr.) Aulia, Fathia Nur; Rini, Maria Viva; Widyastuti, R.A. Diana; Karyanto, Agus
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.v24i1.9925

Abstract

Pineapple (Ananas comosus [L.] Merr.) is one type of fruit that has an important role in Indonesia because it is a major export commodity, both in fresh and processed forms such as canned fruit and juice. Therefore, the development of pineapple production is a strategic matter. One of the steps taken to increase pineapple production is through proper and balanced fertilization. The objective of this study was to determine the best fertilizer package that supports the growth of pineapple plants. The research was conducted from November 2022 to March 2023 using a single-factor Randomized Group Design (RAK), consisting of treatments and repeated 4 times.  The treatment packages tested included the dose and interval of fertilization, namely: P0= 200 kg DAP + 200 kg Kiesirite + 300 kg K2SO4 + 50 kg ZA per ha (0, 30 HST), P1= 300 kg DAP + 300 kg Kiesirite + 300 kg K2SO4 + 50 kg ZA per ha (0, 30, 60 HST), P2= 300 kg DAP + 300 kg Kiesirite + 300 kg K2SO4+ 50 kg ZA per ha (0, 15, 45 HST), P3= 350 kg DAP + 350 kg Kiesirite + 350 kg K2SO4 + 50 kg ZA per ha (0, 30, 60 HST), and P4= 350 kg DAP + 350 kg Kiesirite + 350 kg K2SO4 + 100 kg ZA per ha (0, 15, 45 HST). In each experimental unit, 5 sample plants were selected, so that the total plants observed were 100 sample plants. The data were analyzed using analysis of variance, and the F test showed significant differences which were then further tested with the Least Significant Difference (BNT) test at the 5% level.  The results showed that in general, fertilizer doses and intervals had no significant effect on most of the observed variables, except on d-leaf width and d-leaf length.  The fertilizer package in the P0 treatment (200 kg DAP + 200 kg Kiesirite + 300 kg K2SO4 + 50 kg ZA) per ha proved to be the best to support pineapple plant growth. Keywords: dosage, fertilization frequency, pineapple, inorganic fertilizer
SCALP AND SHOOT FORMATION IN RESPONSE TO THIDIAZURON CONCENTRATIONS IN VITRO CULTURE OF PLANTAIN ‘TANDUK’ Hapsoro, Dwi; Prayogi, Adi Noor; Ramadiana, Sri; Yusnita, Yusnita
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.v24i1.9927

Abstract

This experiment aimed to study the formation of scalps and  banana shoots 'Tanduk' in vitro in response to thidiazuron (TDZ). Shoot explants measuring ± (1 x 1 x 1) cm3 were cultured in precondition media (MS+ 5 mg/l benzyladenine) for 4 weeks, then transferred to treatment media, namely MS + TDZ. This experiment was carried out using a completely randomized design with 3 replications and 7 treatments of TDZ concentrations (0.5; 1.0; 1.5; 2; 2.5; 3; 3.5; 4.0 mg/l).  Each experimental unit consisted of 5 bottles, each containing one explant. Observations of scalp number were carried out at 8 weeks of age. The scalps were subcultured on MS+5mg/l BA media to induce shoots. After 8 weeks in the shoot induction medium, the number of shoots was recorded.  The results showed that at 8 weeks on the culture all of the explants formed scalps, with the highest number of scalps (6 scalps/explant) was at 1 mg/l TDZ.  The scalp number decreased to 4.4 to 3.5/explant as the TDZ concentration increased from 1.5 to 4 mg/l. After 8 weeks on shoot induction media containing 5 mg/l BA, the highest number of shoots (3.8 shoots/explant) was obtained on the scalp from the 0.5 mg/l TDZ treatment. The shoot number decreased to (3.2-1.9/explant) with increasing TDZ concentrations from 1.0 to 4.0 mg/l.Keywords: Tanduk, plantain, thidiazuron, in vitro, scalp.
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.
UJI ADAPTASI LINGKUNGAN DENGAN BERBAGAI MACAM MULSA ORGANIK PADA TANAMAN TEMBAKAU (Nicotiana tabacum L.) VARIETAS BESUKI NA OOGST Widiyani, Dimas Prakoswo; Sanjaya, Refki; Nataris, Galuh Bintang; Anissa, Nabillah; Soleha, Soleha; Ningsih, Eka Wahyu
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.v24i1.10229

Abstract

Tobacco (Nicotiana tabacum L.) is an important commodity in the Indonesian economy, but plant growth and production are often hampered by environmental factors such as climate change and suboptimal soil conditions. Organic mulch can be a solution to improve soil quality and support plant growth in adapting climate change. This study aimed to test the effect of various types of organic mulch on the growth and production of Besuki Na-Oogst tobacco plants in Lampung Province. The study was conducted at the Lampung State Polytechnic from September to December 2024 using a Randomized Block Design (RBD) with various types of organic mulch treatments (sengon litter, cogongrass, and oil palm empty bunches) and analyzed using analysis of variance at the 5% level and continued with the Duncan multiple ring test (DMRT) 5%. The results showed that Palm oil empty fruit bunch mulch gave the best results, with an average dry stalk reaching 248.4 grams per stem, an average plant height reaching 101.8 cm, and an average number of leaves of 15.0 leaves at 3-month plant age observation, better than the control. However, the use of organic mulch did not show a significant difference in stem diameter, the impact was more visible in other components such as the number of leaves and dry stalk.
RESPON PEMBERIAN ECO ENZYME DAUN Mucuna bracteata DAN PUPUK UREA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN PAKCOY (Brassica rapa L.) Khoiri, Fahrul; Kartika, Kartika; Kusmiadi, Riwan
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.v24i1.10231

Abstract

Tanaman pakcoy (Brassica rapa L.) merupakan tanaman jenis sayuran yang yang termasuk ke dalam keluarga Brassicaceae. Produksi tanaman pakcoy di Bangka Belitung mengalami penurunan sehingga perlu dilakukan usaha peningkatan produksi melalui unsur hara. Usaha meningkatkan hara dan produksi tanaman pakcoy menggunakan pupuk anorganik dan juga dengan pupuk organik. Penelitian ini bertujuan untuk mengetahui respon pemberian eco enzyme daun Mucuna bracteata dan pupuk urea terhadap pertumbuhan dan hasil tanaman pakcoy. Penelitian ini dilaksanakan di Kebun Penelitian dan Percobaan (KP2) Fakultas  Pertanian Perikanan dan Kelautan Universitas Bangka Belitung pada bulan Mei sampai Juli 2024. Metode Penelitian yang akan digunakan adalah rancangan acak kelompok (RAK) yang terdiri dari 2 faktor. Faktor pertama adalah eco enzyme daun Mucuna bracteata (M) yang terdiri dari 4 taraf, yaitu M0 = kontrol, M1 = 3 ml/liter air/polybag, M2 =  6 ml/liter air/polybag, M3 = 9 ml/liter air/polybag. Faktor kedua adalah pupuk urea yang terdiri dari 5 taraf yaitu N(+) = kontrol dengan rekomendasi pupuk N, N(-) = kontrol tanpa pupuk N, N1 = 0,5 g/polybag, N2 = 0,75 g/polybag, N3 = 1 g/polybag. Setiap kombinasi perlakuan diulang sebanyak 3 kali sehingga total keseluruhan 60 satuan percoban. Analisis data yang digunakan adalah anova dilanjutkan uji DMRT pada taraf  = 5 %. Perlakuan eco enzyme daun mucuna berpengaruh tidak nyata pada semua peubah yang diamati. Pemberian perlakuan urea berpengaruh sangat nyata pada semua peubah yang diamati. Interaksi antara eco enzyme dan pupuk urea berpengaruh tidak nyata terhadap parameter lainnya tetapi berpengaruh nyata terhadap berat berangkasan basah, dan berpengaruh sangat nyata terhadap berat berangkasan kering. Dosis yang paling baik yaitu dosis eco enzyme 6 ml + pupuk urea 0,5 gram.
EMBRIOGENESIS SOMATIK UBI KAYU (Manihot esculenta CRANTZ.) KLON WAXY PADA BEBERAPA JENIS DAN KONSENTRASI AUKSIN 2,4-D ATAU PICLORAM DAN NAA Erlangga, Wahyu; Yelli, Fitri; Yusnita, Yusnita; Utomo, Setyo Dwi
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.v24i1.10286

Abstract

Indonesia is one of the largest cassava producing countries in the world with various types and advantages. Waxy clones have a high starch content and therefore they can be used as a food substitute for rice. Tissue culture through somatic embryogenesis is an effective technique for rapid and mass seedling propagation. This research aimed to determine the effect of the type and concentration of auxin 2,4-D or picloram and the addition of NAA on the formation of Waxy cassava clone somatic embryos. This research used a completely randomized design (CRD) which was arranged in a non-factorial. Auxin 2,4-D and picloram were used at four concentration levels: 0 mg.l-1, 8 mg.l-1, 10 mg.l-1, 12 mg.l-1, and additional NAA treatment of 6 mg.l-1 each. Results showed that MS + 6 mg.l-1 NAA treatment produced the highest callus weight. Meanwhile, the percentage of embryonic callus and number of embryo was higher in the treatment of MS + picloram 12 mg.l-1 and NAA 6 mg.l-1 (19,05 ± 5,82 %) and MS + 8 mg.l-1 2,4-D + 6 mg.l-1 NAA (11,11 ± 3,17 %) with 5,48 ± 3,56 and 4,93 ± 1,95 embryos, respectively. Thus, auxin picloram 12 mg.l-1 + NAA 6 mg.l-1 were the most effective in inducing the formation of somatic embryos on waxy cassava clone.

Page 23 of 26 | Total Record : 252

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