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gigih ibnu prayoga
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AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
ISSN : 26152207     EISSN : 2579843X     DOI : -
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian (AGROSAINSTEK: Journal of Agricultural Science and Technology) is a journal that publishes research articles, review articles, and research notes related to agrotechnology in both Bahasa and English. The published fields consist of plant cultivation, plant breeding, plant ecophysiology, seed science, land agriculture, post-harvest, plant pests and diseases, weeds, agricultural technology, and agricultural biotechnology.
Arjuna Subject : -
Articles 67 Documents
Analisis komparatif kandungan metabolit pada daun mutan tanaman Torbangun (Plectranthus amboinicus (Lour.) Spreng.) Aisyah, Syarifah Iis; Rusmiyati, Henny; Sukma, Dewi; Damanik, Rizal; Nurcholis, Waras
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 4 No 1 (2020): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v4i1.109

Abstract

Torbangun (Plectranthus amboinicus) merupakan tanaman obat dari keluarga Lamiaceae. Pada masyarakat Batak, daun torbangun digunakan untuk meningkatkan produksi air susu. Keragaman kandungan fitokimia dapat ditingkatkan salah satunya dengan teknik iradiasi sinar gamma untuk program pemuliaan tanaman. Pada penelitian ini, metode metabolomik yang tidak tertarget digunakan untuk mengevaluasi profil senyawa pada bagian daun tanaman mutan dari iradiasi sinar gamma dan kontrol. Kandungan senyawa planlet mutan dan kontrol dianalisis dengan GC-MS. Data GC-MS dianalisis dengan kemometrik dengan menggunakan hierarchical cluster analysis (HCA). Keragaman kandungan kimia ditunjukkan oleh planlet mutan dan kontrol daun torbangun. Hasil analisa planlet kontrol torbangun menunjukkan terdapat lima senyawa utama diantaranya hydroxymethylfurfurole (35,15%), brevifolin (7,69%), 3-Dihydro-3,5-Dihydroxy-6-Methyl-4H-Pyran-4-one (DDMP) (13,13%), stigmasterol (6,51%) dan ferruginol (8.63%). Hasil analisa mutan torbangun memiliki kandungan senyawa DDMP (19,57%), neophytadiene (8,47%), linolenic acid (9,10%), ferruginol (7,61%), stigmasterol (14,14%) dan gamma.-sitosterol (7,08%). HCA menunjukkan tiga komponen senyawa yang berbeda antara planlet kontrol dan mutan yaitu kenaikan kandungan senyawa DDMP dan stigmasterol, serta penurunan kandungan hydroxymethylfurfurole pada mutan torbangun.
Potensi Pemanfaatan Teknik Molekuler Berbasis DNA dalam Penelitian Penyakit Bulai pada Jagung Kalqutny, Septian Hary; Pakki, Syahrir; Muis, Amran
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 4 No 1 (2020): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v4i1.107

Abstract

Penyakit bulai merupakan salah satu penyakit utama yang menyerang tanaman jagung yang dapat menurunkan produksi jagung di Indonesia. Penyakit bulai pada jagung disebabkan oleh Peronosclerospora spp. yang bersifat parasit obligat sehingga tidak dapat ditumbuhkan di media kutur sintetik. Upaya pengendalian penyakit dengan penggunaan varietas jagung yang tahan penyakit bulai dan penggunaan fungisida seringkali tidak memberikan hasil yang diharapkan, karena patogen penyebab penyakit bulai yang beragam jenisnya sehingga memberikan respon yang berbeda pula. Identifikasi dan pemahaman tentang biodiversitas patogen penyebab penyakit bulai sangat penting dalam upaya pengendalian penyakit bulai. Identifikasi spesies secara morfologis terkadang sulit dilakukan karena karakter pembeda yang terbatas dan mirip. Metode biologi molekuler saat ini mulai secara luas digunakan, karena dapat memberikan informasi keragaman dari suatu organisme secara genetik secara cepat dan akurat. Oleh karena itu metode biologi molekuler dapat digunakan untuk mendukung hasil pengamatan secara morfologis. Penggunaan marka molekuler seperti RAPD, RFLP, AFLP dan SSR serta sekuensing region DNA tertentu (rDNA, region ITS rDNA dan mtDNA) secara langsung dapat menggambarkan keanekaragaman patogen penyakit bulai. Di Indonesia terdapat tiga spesies utama penyebab bulai yaitu P. philippinensis, P. maydis dan P. sorghi. Kedepan penggunaan teknik-teknik biologi molekuler baru dapat memberikan informasi yang lebih banyak, cepat, dan akurat akan dapat membuka lebih banyak kemungkinan bagi upaya pengendalian penyakit ini.
The Corn Development Strategy in Peat Soil With No Burning and Traditional Methods Selmitri, Selmitri; Yurisinthae, Erlinda; Radian, Radian
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 4 No 2 (2020): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v4i2.115

Abstract

The study aims to analyze the differences in the development of corn cultivation in peat soils between no-burning and traditional methods or with burning in Rasau Jaya District, Kubu Raya District. The fact that currently clearing forests is still using burning on agricultural land in general and especially on peat soil that is feared to experience underground burning is difficult to overcome and cause many losses. The development of corn on land without burning on peat soil is a solution for the community in maintaining ecosystem sustainability. The explanatory research is directed at testing hypotheses and following research objectives. Data collection by interview and questionnaire to 60 respondents were corn farmers on peat soil. The average difference test is used in explaining the difference in yield between the two methods of planting on peat soil. The results found that there were significant differences in the application of corn cultivation on peat soil without burning compared to the traditional method on the variables fertilizer, pesticide, business costs, and yields. In contrast, the planting area variable had no significant difference.
Seleksi Galur Generasi F4 Padi Beras Merah Tahan Rebah Mustikarini, Eries Dyah; Prayoga, Gigih Ibnu; Aprilian, Bama
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 4 No 1 (2020): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v4i1.105

Abstract

Kerebahan menyebabkan penurunan produksi tanaman padi. Tanaman padi tahan rebah dapat dihasilkan dari kegiatan pemuliaan tanaman. Tujuan penelitian adalah seleksi galur F4 tahan rebah. Penelitian dilaksanakan pada bulan Desember 2018 hingga Mei 2019 di lahan ultisol, Kabupaten Bangka, Provinsi Kepulauan Bangka Belitung. Penanaman galur dilakukan secara single plant. Metode seleksi yang digunakan adalah seleksi pedigree. Hasil penelitian menunjukkan bahwa karakteristik galur F4 padi terseleksi memiliki tinggi tanaman kurang dari 90 cm. Terdapat 70 galur F4 terseleksi memiliki ketahanan rebah berdasarkan karakter tinggi tanaman dan didukung oleh karakter diameter batang, panjang malai, kekuatan batang, dan berat biji bernas per rumpun.
Korelasi Antara Kandungan Karbohidrat, Protein, dan Lemak dengan Kompatibilitas Grafting Bibit Durian (Durio zibethinus Murr.) Suharjo, Suharjo
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 3 No 2 (2019): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v3i2.87

Abstract

Durian nurseries can be done using generative and vegetative material sources. Both sources of propagation have their respective weaknesses and strengths. Quality seeds are obtained through a combination of two sources of propagation material that have each of the advantages that can complement each other. The process of merging can be through mini grafting. The mini grafting method in durian nurseries can use side grafting and shoot grafting methods. This study wants to examine the relationship of carbohydrate, protein, and fat content to the successful growth of mini grafting results on durian plants. The research was carried out by analyzing the carbohydrate, protein and fat content in the upper stem which will be used for grafting, as well as observing and measuring the growth process of mini grafting plants. It was concluded that the carbohydrate content of the upper stems gave the highest positive contribution to the increase in the number of shoots followed by the number of leaves, percentage of living grafts, leaf area, leaf area ratio, root canopy ratio, shoot length, and stem diameter. The protein and fat content cannot contribute to the growth even has a tendency to inhibit growth of grafted seeds.
Effect of Watering Frequency on The Growth and Yield of Oyster Mushrooms (Pleurotus ostreatus) Saputera, Agus; Sofyan, Antar; Saputra, Riza Adrianoor; Sari, Noorkomala
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 4 No 2 (2020): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v4i2.91

Abstract

Oyster mushrooms have the conditions of growing at low temperatures and high relative humidity, so when you want to cultivate it is needed an appropriate environment for the growth and development of oyster mushroom. Banjarbaru City tends to have high temperatures with a relative humidity that tends to below. This is quite different from the requirements for growing oyster mushrooms which require low temperatures with relatively high humidity. One of the easiest and cheapest methods to maintain temperature and relative humidity to remain ideal and appropriate is to water the surrounding oyster mushrooms growing media, so knowledge of the most appropriate and ideal watering frequency for growth and development of oyster mushrooms is needed. The environmental design used was a Completely Randomized Design (CRD), a single factor with 4 treatments, 5 replications, so that 20 experimental units were obtained. The treatments are p1 = once watering per day, p2 = twice watering per day, p3 = three times watering per day, p4 = four times watering per day. The result showed that the watering frequency showed significant difference to the growth time of oyster mushroom shoots and the wet weight of oyster mushrooms. The best treatment in accelerating the growth time of oyster mushroom shoots and increasing the wet weight of oyster mushrooms is four times watering frequency per day.
Uji Daya Hasil dan Seleksi Famili Padi Generasi F4 dan F6 Hasil Persilangan Sintanur x PTB 33 dan Pandanwangi x PTB 33 di Jatinangor Afifah, Zulfa; Carsono, Nono; Sari, Santika; Anas, Anas
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 4 No 1 (2020): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v4i1.96

Abstract

High yielding is one of main objectives on rice breeding. A preliminary yield trial is one of steps in the selection process of developing new varieties. Selection for yield and its component traits is a complex process due to the nature of quantitative traits. The right selection approach may improve the effectiveness of the selection. It is therefore the objective of the current study was to select high yielding rice genotypes. A total of 10 promising rice families were evaluated and compared to four check varieties. Least Significant Increase (LSI), and selection index (Mulamba & Mock and Genotype Ideotype Distance index) analysis were performed. LSI test showed that PP48-5 and SP101-3-1-5 had the best performance in almost all traits compared to the lowest average of the check variety. The selection index found that SP101-3-1-5 had highest yield selection index and was recognized as superior family by selection index. SP101-3-1-5 is selected as potential family to be developed as a new high yielding rice varieties
Karakterisasi Morfologi dan Potensi Hasil Durian Lokal Bangka Mustikarini, Eries Dyah; Khodijah, Nyayu Siti; Yulistia, Yulistia
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.56 KB) | DOI: 10.33019/agrosainstek.v1i1.1

Abstract

Durian is a plant that susceptible to genetic erosion. Exploration and characterization of Bangka local durian need to be protected germplasm of Bangka local durian. This research aims to characterize the morphology, determine the relationship, and yield of Bangka local durian. The research had been conducted in December 2011 to February 2012 in West Bangka, Central Bangka, and South Bangka regency. The research methods were exploration, identification, and characterization. The result shows there are 11 accessions from West Bangka, 11 accessions from South Bangka and 5 accessions from Central Bangka. Similarity analysis using quantitative and qualitative characteristics divides into five groups at 60% similarity level. The average yield of Bangka local durian about 40-250 fruits/year. Sigajah accession has the highest yield potency with average fruit weight of 2.3 kg and 60-140 fruits/plant.
Hasil dan Komponen Hasil Kedelai (Glycine max L. Merr) yang Diberi Pemupukan Nitrogen Lanjutan pada Fase Reproduktif (R1) Salim, Helmi; Nusifera, Sosiawan; Fathia, Nyimas Myrna Elsa
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (626.217 KB) | DOI: 10.33019/agrosainstek.v1i1.2

Abstract

This research aim to determine the effect of continued nitrogen fertilization to reproductive phase on yield and yield components of soybean. The experiment conducted in teaching and research farm, Faculty of Agriculture, University of Jambi from April to September 2014. The experiment arranged in factorial randomized block design with two replications. First factor were four soybean varieties and second factor were dosages of continued nitrogen fertilization consist of 0 kg ha-1 (n0), 40 kg ha-1 (n1), 50 kg ha-1 (n2) and 60 kg ha-1. Measured variables observed were the length of reproductive phase, number of pods per plant, number of filled pods, weight of 100 seeds, and weight of seed per plant. The result showed that nitrogen did not have effect on evaluated varieties. There were differences in length of reproductive phase, number of pods per plant, number of filled pods, and weight of 100 seeds among soybean varieties. The second nitrogen fertilization with different dosages gave significant effect in number of pods per plant, number of filled pods and weight of seed per plant. Four varieties had same yield potential if developed around research area, but to get larger seed size, Anjasmoro variety was highly recommended. The best dosage to increase yield between varieties was n2 (50 kg N ha-1).
Uji Efikasi Ekstrak Daun Mengkudu, Kemangi dan Jambu Biji dalam Menghambat Pertumbuhan Cendawan Colletotrichum gloeosporioides pada Buah Pepaya Susanti, Sari; Kusmiadi, Riwan; Aini, Sitti Nurul
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.785 KB) | DOI: 10.33019/agrosainstek.v1i1.3

Abstract

Anthracnose disease is a crucial problem in the cultivation of papaya. It is caused by C.gloesporioides. one way to overcome this problem was by using natural fungicides. Some of the natural substances that have natural fungicides as their property are noni, basil, and guava. The research was conducted at the Microbiology laboratory of the Faculty of Agriculture, Fisheries, and Biology of Universitas Bangka Belitung January to April 2016. The research utilizes Randomized Analysis Complete Design with Factorial structure. The first factor are the extracts (E), consists of noni leaves (E1), basil leaves (E2), and guava leaves (E3). The second factor are the concentrations of the extract, consists of 0% (K0), 10% (k1), 20% (K2), 30% (K3), 40% (K4), 50%(K5), and 60% (K6). The data was analysed using analysis of variance at α 5%, with the used of SAS Program (Statistical Analytic System), if the effect was found significant, the data was further analysed using DMRT (Duncan Multiple Range Test). The research result showed that the extract of guava leaves at 30% concentration provided the best result in inhibiting the growth of C.gloesporioides in papaya.