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INDONESIA
Jurnal Agro Teknologi Tropika
Published by Universitas Riau
ISSN : -     EISSN : 23376562     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroteknologi Tropika memuat hasil-hasil penelitian mutakhir (5 tahun terakhir), ulasan singkat (review), analisis kebijakan atau catatan penelitian singkat (research note) mengenai teknik percobaan, alat, pengamatan, dan hasil awal percobaan (preliminary result) terkait bidang Ilmu Pertanian seperti : Agronomi, Pemuliaan Tanaman, Ilmu Tanah, Proteksi Tanaman, Mikrobiologi Pertanian, dan bidang ilmu pertanian terkait lainnya. Jurnal Agroteknologi Tropika terbit dua kali dalam setahun pada bulan Januari dan Juni.
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Articles 58 Documents
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Pengaruh Kosentrasi Mutagen Sodium Azida (NaN3) terhadap Daya Kecambah dan Keragaan Bibit Padi Gogo Varietas Jambek Rotan Generasi M-1 Nurhidayah, Tengku; Ali, Muhammad; Dhamila, Asha
Jurnal Agro Teknologi Tropika Vol 6, No 2 (2017)
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The experiment aims to observe the effect of mutagen concentration of sodium azide to the germination and seedling growth performance of upland rice varieties Jambek Rotan generation M-1 and the difference seedling growth of upland rice varieties Jambek Rotan on the generation of M-1 by application Sodium azide some mutagen concentration. The experiment was conducted in an area behind the Soil Laboratory , Faculty of Agriculture , University of Riau , from May to July 2015. Research arranged experimentally using a Completely Randomized Design (CRD), which consists of 5 treatments concentration of sodium azide (SA) , ie 0.0 mM SA , 0.5 mM SA, 1.0 mM SA, 1.5 mM SA and 2.0 mM SA and each treatment was replicated four times. Parameters observed were the percentage of live seedling , seedling height, number of leaves and the number of tillers. The results showed that the of sodium azide at a concentration of 2.0 mM produce the lowest percentage life seedling, but tended to produce the lower seedling height and the more number of tillers.
Uji Beberapa Konsentrasi Tepung Daun Sirih Hutan (Piper aduncum L.) untuk Mengendalikan Hama Gudang Callosobruchus chinensis L. Rustam, Rusli; Salbiah, Desita; Abidin, Fitriani
Jurnal Agro Teknologi Tropika Vol 5, No 1 (2016)
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Mung bean (Phaseolus radiatus L.) is one of the food commodities which is quite important for human because its nutrients contains such as protein, vitamin B1 and carbohydrate. Mung bean storage has many problem such as the damage caused by Callosobruchus chinensis L.. The damage by C. chinensis L. on mung bean could reach up to 70%. The use of Piper aduncum L. leaf as an alternative insecticide for fumigant is expected to become more effective and environmentally. This study aims to find and obtained the best concentration of P. aduncum L. leaf powder to controlling C. chinensis L. in mung bean storage. The research was conducted at the Laboratory of Plant Pests Faculty of Agriculture, University of Riau from Febuary to May 2015. This research using completely randomized design (CRD) with 4 treatments and 5 replications. The treatment used of some concentration of  P. aduncum L. leaf powder are; 0 g/ 50 g mung beans, 1 g/ 50 g mung beans, 3 g/ 50 g mung beans and 5 g/ 50 g mung beans. The result of this study is the concentration of 5 g/ 50 g mung beans better, because it was able to     C. chinensis L. mortality to 82%.
Pengaruh Media Perbanyakan Cendawan Entomopatogen Cordyceps militaris Fries Lokal terhadap Larva Oryctes rhinoceros L. di Laboratorium Hamzah, Hamzah; Salbiah, Desita; Sutikno, Agus
Jurnal Agro Teknologi Tropika Vol 5, No 2 (2016)
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Pest control with usage entomopathogenic fungi opportunity was developing as biological control agent for example: Cordyceps militaris Fries local. The experiment was conducted in Plant Pest Laboratory from August until September 2015. The objectives study was to find the better prapagation medium for control rhinoceros beetles larvae (grubs). The experiment used completely randomized design (CRD) with three treatment and nine replication. The treatment tasted were maize, rice sifting and red seeds. The result showed that all propagation medium can be used to as propagation medium entomopathogenic fungi local Cordyceps militaris Fries and effective to control Oryctes rhinoceros L. grubs in laboratorium.
Pengaruh Varietas dan Dosis Pupuk Kalium terhadap Perkembangan Penyakit Bulai (Peronosclerospora maydis Rac.Saw), Pertumbuhan dan Produksi Jagung Habibi, Ach.; Nurcahyanti, Suhartiningsih Dwi; Majid, Abdul
Jurnal Agro Teknologi Tropika Vol 6, No 2 (2017)
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Downy mildew is one of the important diseases in maize. This disease has spread in Indonesia, even in certain areas downy mildew is already endemic. Downy mildew can cause crop failure, especially when damaging corn crops susceptible varieties and at a young age. The research objective was to determine the effect of the three varieties of corn and potash fertilizers to the development of downy mildew, plant height, number of leaves, and corn production. This research was conducted at the home of wire, Dukuhsia Rambigundam Rambipuji District of Jember, in March to June 2016. This study was onducted by completely randomized design (CRD) factorial consist of two factors, the first factor was the maize varieties, consists of 3 levels: Asian Honey (V1), Pioneer-21 (V2), Pacific 339 (V3). The second factor was the dose of fertilizer which consists of 4 levels: K0 (without fertilizer), K1 (1 gram/plant), K2 (2 gram/plant), K3 (3 gram/plant). Asian maize varieties Honey and potassium fertilizer dose of 3 grams / plant respectively indicate the best treatment in suppressing the development of downy mildew, growth and production of maize.
Respon Tanaman Kedelai Terhadap Pengayaan Kompos Tandan Kosong Kelapa Sawit Pada Perkebunan Kelapa Sawit Muda Di Lahan Gambut Sumiati, Sumiati; Nelvia, Nelvia; Adiwirman, Adiwirman
Jurnal Agro Teknologi Tropika Vol 5, No 1 (2016)
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The research aims to study the effect of empty fruit bunches  of palm oil compost (EFBPOC) which is enriched with palm oil bunch ash (POBA), palm oil mill effluent (POME), and Trichoderma on the growth and yield of soybean as a crop on the sidelines of the young palm oil plantations in peatlands. The Study Research using randomized block design (RBD) consisting of 6 treatments ie: without EFBPOC; 5 tons/ha EFBPOC; 5 tons/ha EFBPOC + 100 l/ha POME + 0.2 kg/ha of Trichoderma; 5 tons/ha EFBPOC + 0.5 tons/ha OPBA + 100 L/ha POME + 0.2 kg/ha Trichoderma; 5 tons/ha EFBPOC + 1 tons/ha OPBA + 100 L/ha POME + 0.2 kg/ha of Trichoderma; 5 tons / ha EFBPOC + 1.5 tons/ha OPBA + 100 L/ha of POME+ 0.2 kg / ha of Trichoderma and 3 reflications. The data obtained were statistically analyzed using analysis of variance (F test) and continued with DNMRT (Duncan s New Multiple Range Test ) at 5% level. The results showed EFBPOC without enrichment and enriched with 100 l/ha  POME + 0.2 kg/ha trichoderma and the addition of 0.5 up to 1.5 tons/ha OPBA able to increase plant height, number of primary branches, days to flowering, number of pods, the percentage of pithy pods, seed weight at plot and a dry weight of 100 seeds of soybeans grown on the young oil palm plantations on peatlands, wich all soybeans planted without EFBPOC have dead at 3 month after planted. Giving 5 tons/ha EFBPOC + 1 ton/ha OPBA + 100 l/ha POME + 0.2 kg/ha of Trichoderma provides the highest seed weight is 239.60 g/m2 (2.40 tonnes/ha).
Isolasi dan Karakterisasi Morfologi dan Fisiologi Bakteri Bacillus sp. Endofitik dari Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) Puspita, Fifi; Ali, Muhammad; Pratama, Ridho
Jurnal Agro Teknologi Tropika Vol 6, No 2 (2017)
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Endophytic bacteria are bacteria that infect and live in plant tissue, including oil palm plant tissue. There are many species of endophytic bacteria living inside tissue oil palm plant which play a beneficial role for plant. One of the bacteria is Bacillus sp. Bacillus sp. can be used as a biological pesticide and biological fertilizers which is useful for plants. The purpose of the research is to observe the characteristics of the endophytic Bacillus sp. Plants samples was taken by survey method. The location of sampling was at the district of Asahan North Sumatera. Isolation was performed from oil palm plant organs such as root, stems and leaves of oil palm plants.  Results showed that the morphological characterization such as colony color, colonies form and  colonies edges of the bacteria had similarities each others, but there was a difference on the surface of morphology colony. Six isolates had a convex surface and  six  isolates had a flat surface. Physiology assay results such as catalase test, oxidase test, starch hydrolysis test, motility test and test of temperature on the growth of the bacteria showed a positive result on the each isolate. Characterization results showed a morphological and physiological similarities to the characteristics of Bacillus subtillis.
Pertumbuhan Generatif dan Komponen Hasil Generasi M-1 Padi Gogo (Oryza sativa L.) Varietas Lokal Kabupaten Pelalawan dengan Perlakuan Mutagen Sodium Azida (SA) Nurhidayah, Tengku; Ali, Muhammad; Pratama, Javieri
Jurnal Agro Teknologi Tropika Vol 5, No 1 (2016)
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A research has been conducted to study the effect of the concentration of mutagen SA and obtain the best concentration to improve generative growth and yield components of M-1 generation on two local varieties upland rice from Pelalawan Regency. The research has been conducted at UPT Kebun Percobaan, Agriculture Faculty, University of Riau, from April to July 2014. The research used factorial experiment arranged in a Randomized Block Design (RBD). The treatments consisted of two local varieties upland rice from Pelalawan Regency (Korea and Lombo Sawah) and five concentrations of Sodium Azide (SA) (0,0 mM, 0,5 mM, 1,0 mM, 1,5 mM, 2,0 mM). Each treatment was replicated four times. Data were analyzed statistically with Analysis of Variance and the means were tested with Duncans New Multiple Range Test (DNMRT) at 5% level. Parameters observed were days to maturity, number of grains per panicle, filled grains percentage per panicle, filled grains weight per panicle and filled grains weight per clump. The result indicated that SA affected on increase number of grains per panicle and decrease filled grains percentage per panicle and filled grains weight per panicle. SA at concentration of 1,00 mM gave a better effect, which caused an increase in number of grains per panicle and filled grains weights per clump at two local varieties of Pelalawan upland rice at M-1 generation.
Seleksi Genotipe Kedelai (Glycine max L. Merril) untuk Ketahanan terhadap Penggerek Polong Kedelai, Etiella zinckenella Treitschke (Lepidoptera: Pyralidae) Pasaribu, Febrio; Salbiah, Desita
Jurnal Agro Teknologi Tropika Vol 6, No 2 (2017)
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This study was intended to determine soybean genotypes which resistant to soybean pod borer (Etiella zinckenella Treitschke) in Riau. A field experiment was established by randomized complete block design where six cultivars of soybean including Gema, Grobogan, Kaba, Willis, lines KM 19 and KM 25 are planted in plots of 2.5 m in length and 2 m in wide. The parameters observed the number of larva pest per plant, percentage of damage pods per plant, percentage of damage seeds per plant, number of pods per plant, number of seeds per plant, and yield per m2. The data were then analyzed by using analysis of variance and then performed Duncan new multiple range test at 5% level. The results showed the differences among genotypic in the level of resistance to pod borer with variations between moderately resistant to moderately susceptible. Genotype KM 19 and Willis were soybean genotypes that were more resistant to soybean pod borer,  E. zinckenella Treitschke as indicated by low percentage of pods and seeds attacked. Selection index calculated also showed that genotype KM 19 and Willis had lower value of selection index compared to other genotypes.  This study implied that both Wilis and KM 19 were potential to be used as parental genotipes in a plant breeding program to develop resistant genotypes to soybean pod borer.
Pengunaan Biochar Berbahan Baku Tempurung Kelapa dan Pelepah Sawit pada Pembibitan Utama Kelapa Sawit (Elaeis guineensis Jacq.) di Medium Gambut Guzali, Guzali; Adiwirman, Adiwirman; wawan, wawan
Jurnal Agro Teknologi Tropika Vol 5, No 2 (2016)
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The study aims to determine the effect of biochar and biochar coconut palm fronds and the appropriate dose for the growth of oil palm seedlings in peat medium. Research using a completely randomized design with 7 treatments and 3 replications. The treatment consists of: A = without biochar, B = biochar coconut shell (BCS) 10 ton ha-1, C = BCS 15 ton ha-1, D = BCS 20 ton ha-1, E = biochar fronds of palm oil (BFPO) 10 ton ha-1, F = BFPO 15 ton ha-1 and G = BFPO 20 ton ha-1.Data were analyzed statistically by analysis of variance and tested by HSD 5%. The results showed granting biochar coconut shells and fronds of palm on peat soils real effect on convolution weevil, while plant height, leaf number, stem length, fresh weight of roots, fresh weight of shoot, fresh weight of the plants, root dry weight, dry weight of the canopy and dry weight of the plant is not pregnant. Giving biochar coconut shell 37.5 g / polybag (15 ton ha-1) may increase 12.46% over the hump convolution without biochar.
Uji Dosis Tepung Buah Sirih Hutan (Piper Aduncum L.) terhadap Mortalitas Hama Sitophilus Oryzae L. Pada Beras di Penyimpanan Rustam, Rusli; Andrianto, Benny Salvino; Sutikno, Agus
Jurnal Agro Teknologi Tropika Vol 6, No 2 (2017)
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Research aims to obtain dose of spiked pepper fruit flour (Piper aduncum L.) better of  imago S. oryzae on the rice. Research conducted at the laboratory of plant pests, Faculty of Agriculture, University of Riau from May to June 2015. The Research was conducted experimentally by using completely randomized design (CRD), which consists of 5 treatments, where each treatments was repeated 4 times to obtain 20 units experiment. The treatment used in the research is (0 g/ 100 g, 2 g/ 100 g, 4 g/ 100 g, 6 g/ 100 g, 8 g/ 100 g of rice). Data obtained analyzed statistically using analysis of variance followed by least significant difference (LSD) at 5%. Dose applications of spiked pepper fruit flour at doses 6 g/ 100 g rice better of  imago S. oryzae with lethal time50 24,5 hour and mortality by 97,5% inhibit the growth of the population, shrinkage weight of rice, and lethal dose95 by 4,5%.

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