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Jurnal Agro
Published by Universitas Islam Negeri Sunan Gunung Djati Bandung
ISSN : -     EISSN : 24077933     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agro aims to provide a forum for researches on agrotechnology science to publish the articles about plant/crop science, agronomy, horticulture, plant breeding - tissue culture, hydroponic/soil less cultivation, soil plant science, and plant protection issues.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 4, No 1 (2017)" : 6 Documents clear
Efek Sterilisasi dan Komposisi Media Produksi Inokulan Fungi Mikoriza Arbuskula terhadap Kolonisasi Akar, Panjang Akar dan Bobot Kering Akar Sorgum Tarra Martiana Dewi; Anne Nurbaity; Pujawati Suryatmana; Emma Trinurani Sofyan
Jurnal Agro Vol 4, No 1 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1205

Abstract

Quality of biofertilizer such as arbuscular myorrhizal fungi could be improved through the selection of appropriate sterilization and composition of the medium. The objective of the experiment was to determine the effect of sterilization and carrier composition on root colonisation, root length and weight of sorghum root. A green house experiment was conducted in randomized block design. The factors were: 1. methods of sterilization (ie. control; autoclave; NaOCl 10%; Co-60 gamma irradiation), and 2. composition of the carrier of mycorrhiza (100% zeolite; 75% zeolite + 25% rice charcoal;  50% zeolite + 50% rice charcoal). Results showed that there was no interaction effect of sterilization and composition of carrier on root colonisation, root length and weight of sorghum root. However, different technique of sterilisation gave differences on root colonisation, root length and weight of sorghum root. Sterilization using NaOCl 10% was not recommended. Gamma Co-60 irradiation sterilization did not have difference with control and autoclave, however there was  tendency  that irradiation technique gave better results to all parameters measured.
Pengaruh Kombinasi Aplikasi Jamur Paecilomyces fumosoroseus, Lem Perangkap, dan Insektisida Imidakloprid terhadap Empoasca sp. Fani Fauziah; Odih Sucherman
Jurnal Agro Vol 4, No 1 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1229

Abstract

In order to obtain an effective and efficient control method in integrated pest management, a research to know the effectiveness of combination treatments on Empoasca sp. on tea plant had been conducted. The trial was carried out at Gambung Experimental Station (1,250 masl) and designed in Randomized Complete Block design (RCB), with 8 treatments and 3 replications. The treatment tested comprised with A. Paecilomyces fumosoroseus (Pfr); B. sticky trap (ST); C. imidacloprid (I); D. Pfr + ST; E. Pfr + I; F. ST + I; G. Pfr + ST + I; and H. control. Pfr multiplied in rice medium 2.5 kg ha-1 and imidacloprid 0.125 L ha-1 were sprayed, while sticky trap was set in the middle of 5 m x 5 m plot. The parameters observed were attack intensity of Empoasca sp., population of Empoasca sp, and tea shoot production. The results showed that after 3 times application of all treatments revealed a decrease in the attack intensity of Empoasca sp. After the fourth application, combination treatment of sticky trap (ST) + imidacloprid (I) consistently showed higher efficacy than other treatments. In the sixth observation, the average of Empoasca sp. attack intensity of combination treatment (ST + I) was 15.95% with an average population of 0.67 Empoasca sp. per plot. In the meantime, tea shoot production was 33.64% higher compared with control.
Aplikasi Berbagai Bahan ZPT Alami untuk Meningkatkan Pertumbuhan Bibit Kemiri Sunan (Reutealis trisperma (Blanco) Airy Shaw) Fitri Kurniati; Tini Sudartini; Dikdik Hidayat
Jurnal Agro Vol 4, No 1 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1307

Abstract

Candlenut cv. Sunan is alternative biofuels plant also as raw of many industrial products. Its hard pulp seed becomes barrier of germination. This condition can be overcome by  giving natural plant growth regulators (PGRs), i,e shallot as auxin source, bamboo shoot as gibberellin source, banana bulb and coconut water as sources of cytokinin. The research aim was knowing effect of various PGRs and their combinations to promote germination and growth of seedling candlenut cv Sunan. The research was done from June to October 2016, in experimental design of Randomized Block Design (RBD), consisted of : a0 : control (without PGRs); a1 : shallot (BM); a2 : bamboo shoot (RB); a3: banana bulb (BP);  a4 : coconut water (AK); a5 : BM+ RB; a6 : BM + BP; a7 : BM + AK; a8 : RB+ BP;  a9 : RB + AK;  a10  : BP + AK;  a11 : BM + RB + BP + AK, all repeated three times. The result showed that application of natural PGRs had significant effect on germination percentage, plant height on 30 days after planting (dap), 37 dap, 44 dap, and 51 dap,  number of leaves 51 dap. Application of BP + AK gave the best effect on germination (97.78%), but no significant different with RB + BP; BM + RB + BP + AK. Application of BP + AK generated highest plant (13.57 cm). The best of the number of leaves was RB + AK (1.45 leaves). Overall application of natural PGRs from banana bulb + coconut water gave the best effect, besides bamboo shoot and shallot have opportunity to be developed.
Keragaan Hama, Penyakit, dan Musuh Alami pada Budidaya Padi Organik Dini Yuliani; Sudir Sudir
Jurnal Agro Vol 4, No 1 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1335

Abstract

Organic rice cultivation intents to minimize the use of inorganic fertilizers and chemical pesticides, but in fact not apart from the disruption of pests and diseases. The study aimed to determine the pests, diseases, and natural enemies on organic rice cultivation. The research was conducted at Screen Field of ICRR at WS 2015/2016 and DS 2016, using Split Plot research design with three replications. The main plot was varieties of: 1). Inpari 25, 2). Inpari 33, and 3). Sintanur. The sub-plot was application of leaf extract of: 1). Mindi, 2). Soursop, 3). Mahogany, and 4). Control. Applications were performed on 4, 6, 8, and 10 weeks after planting (WAP). Observations of pests, diseases, and natural enemies on 5, 7, 9, and 11 WAP as many as 20 clumps/plots. The results showed that varieties and leaf extract applications significantly affected on severity of stem rot disease at 5 and 7 WAP in WS 2015/2016. In the rainy season found Yellowing on Inpari 25 and Inpari 33 varieties. However, Sintanur was more resistant to Yellowing with LCC value on two growing seasons was highest compared to the other varieties. Sintanur had the lowest Cercospora Leaf Spot disease severity compared to the other varieties. The severity of disease generally increased with the age of rice increase, while the pest population density and natural enemies were fluctuate. The density of the pest was quite high in the control plot, while the natural enemy density was high enough in the application plots of Mindi, Mahogany, and Soursop extracts.
Manajemen Pemupukan N-P-K dengan Pupuk Hayati untuk Mempertahankan Kandungan N dan P Tanah serta Hasil Kedelai Emma Trinurani Sofyan; Stefina Liana Sari
Jurnal Agro Vol 4, No 1 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1201

Abstract

One effort to increase the productivity of soybeans in Inceptisols Jatinangor is through utilize inoculant of soil microorganisms such as nitrogen-fixing bacteria and phosphate-solubilizing bacteria in the form of specific biofertilizer (SB) for soybean plant without leaving inorganic fertilizer as a source of available nutrients to plants. This research aimed to determine fertilization management of N-P-K and specific biofertilizer in retaining N and P availability and yield of soybean. The Research was conducted from April to July 2016, arranged in Simple Randomized Block Design (RBD) and consisted of 10 treatments. The combination of biofertilizer and N-P-K were as follows; A = control (without fertilizer), B = Standard N-P-K, C = 0 N-P-K + 1 SB , D = 1/4 N-P-K + 1 SB, E = 1/2 N-P-K + 1 SB, F = 3/4 N-P-K + 1 SB, G = 1 N-P-K + 1 SB, H = 3/4 + 1/4 SB, I = 3/4 N-P-K + 1/2 SB dan J = 3/4 N-P-K + 3/4 SB. The results showed a dose of N-P-K and biofertilizer was recommended in the treatment E (250 kg ha-1 SB) and 1/2 N-P-K (37.5-50-50 kg ha-1). The dose was able to increase nitrogen and phosphor content in soil and plant, also on yield of soybean up to 0.4 t ha-1 or 32% of a standard N-P-K.
Inisiasi Tunas Kokoleceran (Vatica bantamensis) pada Berbagai Jenis Media Tanam dan Konsentrasi BAP (Benzyl Amino Purine) Secara In Vitro Sri Sudiyanti; Tubagus Bahtiar Rusbana; Susiyanti Susiyanti
Jurnal Agro Vol 4, No 1 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1069

Abstract

Kokoleceran (Vatica bantamensis) is an endemic plant of Banten which is only in Ujung Kulon, and has been designated as identity of Banten province. Now the existence of Kokoleceran has been endangered. Based on data from the IUCN, since 1998 there has been no research. Kokoleceran initiation needs technology for preventing from the extinction. One of the mass propagation is through the technique culture in vitro. This research aimed to get the precise medium and BAP concentration for Kokoleceran, and knowing the response of Kokoleceran growth in in vitro. This research was done in November 2015 until March 2016 at the Laboratory of Biotechnology, Department of Agroecotechnology, Faculty of Agriculture, University of Sultan Ageng Tirtayasa, Serang, Banten. This research used Completely Randomized Design (CRD) two factors. The first factor was medium that were MS and WPM media. The second factor was BAP concentration which consisted of four levels namely 0 mg L-1, 1 mg L-1, 2 mg L-1, and 3 mg L-1. The results showed that the use of different media and BAP concentrations had no impact on the time appear of shoot, shoot number, and root number. There was effect from both treatments on medium color, and growing of callus on the explants.

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