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INDONESIA
Jurnal Agrotek Tropika
Published by Universitas Lampung
ISSN : 23374993     EISSN : 26203138     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agrotek Tropika (JAT) is a journal of science in the field of agrotechnology which covers several fields of science such as Agronomy, Horticulture, Soil Science, and Plant Pests and Diseases. Journal of Tropical Agrotek published since 2013 and published three times in one year ie in January, May, and September. Journal of Tropical Agrotek published by Department of Agrotechnology, Faculty of Agriculture, University of Lampung in cooperation with Agroteknologi Association of Indonesia (PAGI) Lampung.
Arjuna Subject : -
Articles 811 Documents
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PENGARUH APLIKASI TIGA JENIS BIOCHAR DAN PUPUK FOSFOR TERHADAP KEBERADAAN FUNGI MIKORIZA ARBUSKULAR SERTA PERTUMBUHAN TANAMAN JAGUNG (Zea mays) DI LTPD UNILA Sholihah, Fairuz Nabila; Yusnaini, Sri; Rini, Maria Viva; Arif, M. A. Syamsul
Jurnal Agrotek Tropika Vol 13, No 1 (2025): JURNAL AGROTEK TROPIKA VOL 13, FEBRUARI 2025 (ON PROGRESS)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i1.10644

Abstract

Fungi Mikoriza Arbuskular (MA) merupakan salah satu fungi yang melakukan simbiosis mutualisme dengan akar tanaman dan memberikan beberapa manfaat.Penelitian ini bertujuan untuk mengetahui pengaruh pemberian biochar terhadap keberadaan fungi MA, mengetahui pengaruh pemberian pupuk fosfor terhadap keberadaan fungi MA pada pertanaman jagung, serta mengetahui interaksi antara jenis biochar dengan dosis pupuk fosfor terhadap keberadaan fungi MA pada pertanaman jagung.  Penelitian ini dilaksanakan pada Maret hingga Oktober 2022 di Laboratorium Lapang Terpadu (LTPD) dan Laboratorium Produksi Perkebunan dan Mikoriza Fakultas Pertanian Universitas Lampung.  Rancangan yang digunakan dalam penelitian ini adalah Rancangan Acak Kelompok (RAK) faktorial dengan dua faktor.  Faktor pertama biochar (B) terdiri dari tanpa biochar (B0), biochar sekam padi (B1), biochar tongkol jagung (B2), dan biochar batang singkong (B3), faktor kedua pupuk fosfor (P) terdiri dari tanpa pupuk fosfor 0 kg P2O5 ha-1 (P0) dan dengan pupuk fosfor 100 kg P2O5 ha-1 (P1).  Hasil penelitian menunjukkan bahwa pemberian biochar tidak berpengaruh nyata terhadap populasi fungi MA maupun persen kolonisasi akar oleh fungi MA.  Pemberian pupuk fosfor tidak berpengaruh nyata terhadap populasi fungi MA maupun persen kolonisasi akar oleh fungi MA.  Terdapat interaksi antara kedua perlakuan terhadap bobot brangkasan kering panen, bobot biji kering, dan populasi fungi MA.  Hasil analisis menunjukkan bahwa interaksi biochar sekam padi tanpa pupuk fosfor meningkatkan populasi fungi MA paling tinggi dibandingkan interaksi lainnya.
PENGARUH GULUDAN DAN PEMUPUKAN TERHADAP KEHILANGAN HARA DAN C-ORGANIK AKIBAT EROSI PADA PERTANAMAN SINGKONG (MANIHOT ESCULANTA CRANTZ) TAHUN KEDELAPAN Janata, Muhammad Frayoga; Banuwa, Irwan Sukri; Aini, Septi Nurul; Afandi, Afandi; Afrianti, Nur Afni
Jurnal Agrotek Tropika Vol 13, No 1 (2025): JURNAL AGROTEK TROPIKA VOL 13, FEBRUARI 2025 (ON PROGRESS)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i1.10647

Abstract

Singkong varietas gajah (Manihot esculanta Crantz) merupakah ialah satu varietas dari banyaknya umbi singkong yang banyak dikonsumsi oleh masyarakat di Indonesia. Upaya konservasi tanah dilaksanakan dengan cara penggunaan guludan dan pengaplikasian pupuk guna menghambat erosi dan lajunya aliran permukaan dengan harapan mampu meminimalisir hilangnya unsur hara pada tanah. Penelitian ini bertujuan guna melihat dampak penggunaan guludan dan pengaplikasian pupuk dalam hilangnya unsur hara dan C-organik yang disebabkan oleh erosi. Penelitian dijalankan di Laboratorium Lapang Terpadu dan Laboratorium Ilmu Tanah, Fakultas Pertanian, Universitas Lampung sejak bulan Februari sampai November  2022. Penelitian ini menerapkan Rancangan Acak Kelompok Lengkap (RAKL) dengan 2 faktor yaitu penggunaan guludan dan pemupukan yang dilakukan pengulangan sebanyak 4 kali. Hasil penelitian memperlihatkan jika penggunaan guludan memotong lereng (G2) mempunyai hasil yang lebih baik dalam meminimalisir kehilangan hara dan C-organik akibat terjadinya erosi dibanding dengan penggunaan guludan mengikuti arah lereng (G1). Perlakuan pemberian  pupuk (P1) memberikan hasil yang lebih baik dalam menghambat kehilangan hara dan C-organik dibanding dengan tanpa pemberian pupuk (P0) akibat erosi. Hubungan antara penggunaan guludan dan pemupukan memiliki nilai tidak berpengaruh nyata pada setiap variabel yang diamati.
ANALYSIS OF LAND SUITABILITY FOR ROBUSTA COFFEE CULTIVATION (Coffea canephora) IN BENTENGE VILLAGE, MALLAWA DISTRICT, MAROS DISTRICT Hadija, Hadija; Haerul, Haerul; Nurjaya, Muhammad; Azisah, Azisah
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.7438

Abstract

The ability of land with different properties, regional characteristics, and soil nutrient status to affect the productivity of coffee plants is affected, so it is important to evaluate regional characteristics and soil nutrient status so that the land suitability class for coffee plant cultivation can be known. The purpose of this study was to provide information on the extent of the level of land and climate suitability of Bentenge Village, Mallawa Subdistrict, for robusta coffee cultivation. The research was conducted from September to December 2022 in Bentenge Village, Malawa District, Maros Regency, which has been cultivating coffee, especially robusta coffee, for decades. This research method uses a survey approach and laboratory analysis, whose results are interpreted into a land suitability map. Furthermore, data on regional conditions and nutrient status in Bentenge Village were juxtaposed with good coffee cultivation guidelines in MOA No. 49 of 2014 to determine the level of land suitability for robusta coffee cultivation. The results showed that the land in Bentenge Village, Mallawa Sub-district, is suitable (S2) to marginally suitable (S3) for the development of robusta coffee cultivation..
MORPHOLOGY, CHARACTERISTIC AND SOIL CLASSIFICATION OF PADDY FIELD IN THE PINOGU PLATEAU, BONE BOLANGO REGENCY Yusuf, Ismail; Nurdin, Nurdin; Azis, Muhammad Arief; Rahman, Rival
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.8396

Abstract

Paddy fields are the main source of rice production in Pinogu District, thus supporting food security in this district, but have not been managed based on the soil properties. The diversity of morphology, characteristics, and soil classification on the Pinogu Plateau is the aim of this research. Three pedon paddy fields (IY1, IY2, and IY3) in one topososequence had their profiles described using a soil survey method at a scale of 1:5,000, including matrix color, structure, and soil consistency. Soil samples were taken from each horizon in each profile and analyzed in the laboratory for: texture (sand, clay, silt), bulk density, porosity, pH, C-organic, cation exchange capacity, base saturation, and salinity. Next, soil pedons were classified using a soil taxonomy system starting from Order level to Family level. The research results showed that the paddy fields on the Pinogu plateau had developed with the presence of horizon structuring (Ap-Bt) on the topososequences, but the paddy fields on the upper and middle slopes were more developed than the paddy fields on the lower slopes. The Pinogu Plateau was included in the isohyperthermic of soil temperature regimes and the udic of soil moisture regimes. The paddy field on the upper slopes was classified as Typic Humudepts, rather fine, active, isohyperthermic., meanwhile the paddy field on the middle slope was classified as Fluventic Humudepts, rather fine, active, isohyperthermic., and the paddy field on the lower slopes was classified as Entic Humudepts, rather fine , super active, isohyperthermic. This classification of paddy fields has implications for specific instructions for soil management, so that management of paddy fields that is in accordance with the characteristics and type of soil will increase the productivity of paddy fields in the future.
WICK SYSTEM IN VARIOUS NUTRITION COMBINATIONS ON PAKCOY GROWTH AND YIELD Agustina, Rohmatin; Oktaviani, Widya; Jumadi, Rahmad; Ardiansyah, Heri
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.8859

Abstract

This study aimed to examine the growth and yield of cabbage (Brassica rapa L.) plants grown in a hydroponic wick system using varying doses of AB Mix nutrients and Azolla liquid organic fertilizer (POC). POC Azolla is expected to serve as a replacement nutrient in hydroponics. In this study, a one-factorial group randomized design was used where P0: no POC Azolla nutrient and P1: AB Mix 100%; P2: POC Azolla 100%; P3: AB Mix 90% + POC Azolla 10%; P4: AB Mix 75% + POC Azolla 25%; P5: AB Mix 60% + POC Azolla 40%; P6: AB Mix 45% + POC Azolla 55%; P7: AB Blend 30% + POC Azolla 70%; P8 : AB Mix 15% + POC Azolla 85%. Three replicates of each treatment were performed. Annova was used for data analysis: Duncan's distance test should be performed at a significant level of 5% if a difference is found. The average growth variables of plant height (16.5 cm), number of leaves (18 strands), root length (18.33 cm), fresh plant weight (81.17 g) and dry plant weight (4.42 g) showed the same trend in the combination (AB Mix 75% + POC Azzola 25%), suggesting that this combination could be an alternative to the AB Mix 100% treatment.  The hydroponic cultivation of the wick system on Pakcoy plants has not been able to prove the use of POC Azzola alone. The use of POC Azzola is at least able to reduce the use of AB Mix by 25%.
PENGGUNAAN PUPUK ORGANIK PADA BAWANG MERAH YANG DIPUPUK NPK BERBEDA DOSIS PADA LAHAN KERING MASAM Rosmiah, Rosmiah; Marlina, Neni; Palmasari, Berliana
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.9044

Abstract

Budidaya tanaman bawang merah pada lahan kering masam berpotensi tinggi, walaupun keadaan pH  tanah dan unsur hara rendah, dan peningkatan  produktivitasnya dapat dilakukan melalui penggunaan pupuk organik kotran ayam dan pupuk NPK bersama-sama. Penelitian ini bertujuan untuk mendapatkan perlakuan terba,ik kombinasi pupuk organik dan anorganik pada pertumbuhan dan produksi bawang merah (Allium ascalonicum L.), dengan menggunakan perancangan lingkungan RAK dan perancangan perlakuan berpola faktorial dengan 9 kombinasi perlakuan yang direplikasi sebanyak 3 kali. Sebagai Faktor I. Jenis Pupuk Organik (O) yaitu tanpa (o0), pupuk organik kotoran ayam (o1) dan pupuk organik limbah sayuran (o2).  Sebagai Faktor II. Persentase pupuk NPK (p), yaitu 25 % (p1), 50 % (p2) dan 75 % (p3).  Hasil tertinggi dicapai pada kombinasi pupuk organik kotoran ayam dengan 50 % dosis pupuk NPK dengan produksi 1,76 kg/petak atau setara 7,04 ton/ha dan meningkatkan  sebessar 117,28 % bila dibandingkan dengan tanpa pupuk organik dengan 25 % pupuk NPK.
RESPONS PERTUMBUHAN AKSESI KACANG KORO YANG BERASAL DARI TIGA SPECIES Canavalia spp. PADA DUA KONDISI LAHAN YANG TERPAPAR SALINITAS Rahmat, Ali; Hayati, PK Dewi; Dwipa, Indra
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.9527

Abstract

Kacang koro dari genus Canavalia dapat dimanfaatkan sebagai sumber protein alternatif yang penting untuk ketahanan pangan nasional. Pembudidayaannya dapat diarahkan pada lahan marginal yang ketersediaannya cukup luas di Indonesia. Penelitian ini bertujuan untuk melihat respon pertumbuhan berbagai aksesi kacang koro yang berasal dari tiga spesies berbeda pada dua kondisi lahan yang terpapar salinitas. Penelitian dilaksanakan pada bulan September 2023-Maret 2024 di Pantai Pasir Putih, Bungo Pasang Kota Padang. Sebanyak 5 aksesi Canavalia spp. yaitu 2 aksesi spesies Canavalia gladiata, 2 aksesi spesies C. maritima, dan 1 aksesi spesies C. cathartica ditanam di lahan dengan dua kondisi salinitas yaitu salinitas rendah (1,2 dS/m), dan salinitas sedang (3,8 dS/m). Percobaan didesain dalam Rancangan Acak Kelompok dengan masing-masing dua ulangan sehingga terdapat 20 satuan percobaan. Data dianalisis menggunakan sidik ragam gabungan (combined ANOVA) dan dilanjutkan dengan uji Duncan pada taraf nyata 5%. Analisis korelasi dilakukan untuk melihat hubungan tingkat salinitas dengan variabel pertumbuhan tanaman. Hasil penelitian menunjukkan terjadinya gangguan pertumbuhan kecuali aksesi Cm.Halmahera dan Cm.Bengkulu yang memperlihatkan respons peningkatan pertumbuhan dengan meningkatnya salinitas. Aksesi berinteraksi dengan tingkat salinitas pada pengamatan panjang batang, jumlah cabang dan diameter batang terutama pada umur 24 MST, mengindikasikan periode waktu ini ideal untuk menyeleksi aksesi yang toleran terhadap salinitas.  Korelasi negatif dan kuat antara tingkat salinitas dan pertumbuhan tanaman menunjukkan bahwa peningkatan salinitas menekan pertumbuhan tanaman. Berdasarkan nilai indeks toleransi, maka aksesi Cm. Halmahera dan Cm. Bengkulu dari spesies Canavalia maritima memiliki kemampuan adaptasi yang lebih baik terhadap salinitas dibandingkan aksesi lainnya.
GROWTH AND PHYSIOLOYCAL CHARACTERIZATION OF Coleus amboinicus Lour EX VITRO RESULTS OF POLYPLOID INDUCTION Sari, Laela; Maulana, Evan; Efendi, Darda
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.9680

Abstract

Torbangun (Coleus amboinicus L.) is a local Indonesian medicinal plant traditionally used to promote breast milk (ASI) production. However, its propagation is limited because flowering is inhibited under unfavorable climatic conditions, and vegetative propagation through stem cuttings results in low genetic diversity. Increasing genetic variability through induced mutation and polyploidization offers a promising approach for crop improvement. To date, there has been no report on the morphological and physiological characterization of Torbangun polyploids induced by oryzalin. Therefore, this study aimed to evaluate the morphological and physiological characteristics of Torbangun clones derived from oryzalin-induced polyploidization. The plant materials consisted of six Torbangun clones (332Z, 332O, 333M, 333F, 513K, and 513W) obtained from the fifth subculture after exposure to 60 µM oryzalin for 72 hours. The experiment employed a completely randomized design (CRD) with one factor (clone) and eight replications, each represented by one plantlet per polybag. Growth parameters observed for 12 weeks included viability (%), plant height (cm), number of leaves, and number of axillary buds. Data were analyzed by ANOVA, followed by Duncan’s test for mean separation. Ploidy levels were verified using ex vitro flow cytometry. The results showed that clone 513W exhibited superior growth performance with the highest number of leaves, axillary buds, and chlorophyll and carotenoid contents. Qualitatively, induced and control plants displayed similar morphological traits, but quantitative differences were observed in leaf thickness and area. These findings provide the first comprehensive characterization of oryzalin-induced Torbangun polyploids, offering insights for future breeding and conservation efforts.
MORPHOLOGICAL CHARACTERIZATION AND PHYTOCHEMICAL ANALYSIS OF RATNA FLOWER PLANT (Gomphrena globosa) PINK PHENOTYPE IN SIBANGGEDE AND PADANG GALAK AREAS Redana, I Made Basma; Dwiyani, Rindang; Darmawati, Ida Ayu Putri
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.9681

Abstract

The Ratna flower (Gomphrena globosa L.), commonly known as globe amaranth, is widely used as an ornamental plant, natural tea ingredient, food coloring, and traditional medicine due to its various health benefits. In Bali, this flower also holds important cultural value as an offering in ceremonies and sacred dances. Despite its diverse uses, studies on the morphological and phytochemical diversity of G. globosa accessions across different growing regions remain limited. This study aimed to characterize the morphological traits and analyze the phytochemical composition of pink-flowered Ratna accessions collected from two regions, Sibanggede and Padang Galak. The research was conducted from October to December 2023. Sampling areas were determined using an exploratory method with purposive sampling, and plant samples were collected using a simple random sampling approach. The findings revealed distinct morphological variations in leaf and stem surfaces between accessions from the two locations. Phytochemical analysis showed qualitative and quantitative differences in chemical composition. The Sibanggede accession contained major compounds such as phytol, ethyl ester, and hexadecanoic acid—known for their antioxidant, anticancer, and antibacterial properties. In contrast, the Padang Galak accession was dominated by compounds including 2(4H)-Benzofuranone and thiourea, which exhibit antiarthritic and anticancer activities. These morphological and phytochemical differences are likely influenced by environmental factors affecting plant development and secondary metabolite synthesis. Overall, this study provides baseline information for the cultivation and utilization of Ratna flower in pharmaceutical, cosmetic, and ethnobotanical applications.
THE EFFECT OF TDZ (Thidiazuron) ON THE FORMATION OF DIRECT SOMATIC EMBRYOGENESIS IN Phalaenopsis sp. ORCHID Adinda, Intan Dwi; Restanto, Didik Pudji; Dewanti, Parawita; Munandar, Denna Eriani; Hartatik, Sri; Prayoga, Mohammad Candra; Solikhah, Ummi
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.9795

Abstract

Orchids (Phalaenopsis sp.) are among the most valuable ornamental plants due to their wide range of flower colors and high commercial demand. However, conventional propagation methods are often inefficient for large-scale production, necessitating the optimization of tissue culture techniques for rapid and uniform clonal propagation. The use of appropriate plant growth regulators, particularly thidiazuron (TDZ), is crucial for enhancing somatic embryogenesis—a key pathway for orchid micropropagation. This study aimed to determine the optimal concentration of TDZ for inducing somatic embryogenesis in Phalaenopsis sp. through histological analysis and scanning electron microscopy (SEM) observations. A completely randomized design was employed using Murashige and Skoog (MS) medium supplemented with four TDZ concentrations (1, 3, 5, and 7 mg/L). Leaf explants of Phalaenopsis sp. served as the explant source. The results demonstrated that direct somatic embryogenesis successfully occurred from leaf explants across treatments. Among the tested concentrations, 5 mg/L TDZ produced the most effective response, resulting in the highest somatic embryo formation rate (32%) and the shortest time to embryo maturation (37 days after culture initiation). The embryos exhibited characteristic dark green coloration and a crumbly texture. These findings highlight the pivotal role of TDZ in promoting somatic embryogenesis in Phalaenopsis sp., providing a reliable protocol for efficient orchid propagation. The study contributes to the advancement of orchid biotechnology by offering histological and ultrastructural evidence that supports the optimization of clonal propagation systems for commercial and conservation purposes.

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