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AGROISTA : Jurnal Agroteknologi
ISSN : 25973835     EISSN : 26847019     DOI : -
Agroista diterbitkan oleh Institut Pertanian Stiper Yogyakarta. Agroista merupakan sarana informasi ilmiah perkembangan ilmu Agroteknologi yang mencakup berbagai komoditas perkebunan dan pertanian yang berupa hasil penelitian ilmiah dan kajian teoritis.
Articles 10 Documents
Search results for , issue "Vol 1, No 2 (2017)" : 10 Documents clear
UTILIZATION OF MUNICIPAL WASTE COMPOST ON THE GROWTH AND YIELD OF THE MUSTARD CROP IN REGOSOLS Hastuti, Pauliz Budi; Rahayu, Enny; Pratama, Muhammad Ari
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

This study aims to determine the effect of municipal waste compost on the growth and yield of mustard in Regosols. This research uses factorial experimental methods arranged in complete randomized design. The first factor is the origin of compost from TPS (waste disposal site) consisting of 4 levels namely: TPS Kalasan, TPS Gunung Kidul, TPS Kulon Progo and TPS Bantul. The second factor is compost dose consisting of 4 levels: control + NPK, 120 gram / plant), 180 gram / plant and 240 gram / plant. The results of the observation were analyzed by using analysis of variance (Analysis Of Variance). To know the different treatments were significantly analyzed using Duncan Multiple Range Test (DMRT) at 5% level. The results showed that the composting of municipal waste from various TPS gave the same sprouts growth and yield. While the compost dose of 120 grams / plant has been able to suffice for the growth and yield of mustard plant spoon.?Keywords : Mustard spoon (Brassica rapa, L.), municipal solid waste compost, regosols.
GROUNDWATER RECHARGE PATTERN IN AGRICULTURAL AREA Wijayanti, Yureana; Setyandito, Oki
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

Kebutuhan air untuk irigasi dapat dipenuhi oleh sumber air sumur maupun air sungai. Oleh karena itu, keberlanjutan sumber air tersebut haruslah dipelihara. Salah satu upaya pengelolaan air adalah pengelolaan sumber imbuhan atau recharge air tanah. Sumber imbuhan air tanah dapat berupa air hujan, infiltrasi danau/air sungai di hulu maupun aliran lateral air tanah. Studi ini akan memaparkan penggunaan data isotop air dalam menentukan sumber imbuhan air tanah secara kualitatif. Selain itu, akan dipaparkan hasil analisis data isotope dengan menggunakan GIS. Data isotop air tanah diperoleh dari air sumur disebuah area pertanian buah buahan seluas 14 Ha. Hasil analisis menunjukkan bahwa di daerah pertanian tersebut air tanah berasal dari air hujan setempat dan sumber air tanah dari aliran air tanah yang berada dihulu lokasi pertanian. Namun pada studi ini, belum dapat diketahui sumber mana yang lebih dominan. Sehingga dibutuhkan studi kuantitatif untuk menentukan rasio sumber imbuhan air tanah.Kata Kunci: Air tanah, Sumber Imbuhan, Isotop air, GIS
GROWTH AND YIELD OF JACK BEAN (Canavalia ensiformis L.) ON THE APPLICATION OF RHIZOBIUM INOCULANTS AND UREA DOSES IN SANDY SOIL Darini, Maria Theresia; Kusdiarti, Lilik
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

The research aims to study of growth and yield jack bean (Canavalia ensiformis L.) as the substitution of soybean plants on the application of different inoculants and doses of urea fertilizer, has been carried out in Depok, Kretek, Bantul Special Region of Yogyakarta. The research was a factorial experiment arranged in Randomized Completly Block Design with four replications. The first factor was kind of inoculants, consists of two kinds: peanut and soybean Rhizobium inoculants, the second factor was doses of urea fertilizer consisted of three levels 25; 50 and 75 kg per ha. Observation variables include the number of root nodules, height of plant, fresh and dry weight of plants aged 6 and 10 weeks, the number and weight of pods, weight of seeds per plot, the index growth, absolute growth rate, harvest index and yield per hectare. Data were analyzed by analysis of variance followed by Duncan?s Multiple Range Test of 5 % significant level. Conclusion there was no interaction between kind of inoculants and doses of urea fertilizer of all variables. Inoculants do not enhance the growth and yield of jack bean, while the urea fertilizer of 75 kg urea per hectare improving growth and yield jack bean increase amounted to 42.64% of the application fertilizer urea 50 kg per ha.?Keywords : Growth, Rhizobium inoculant, jackbean, urea fertilizer, yield.
INCREASING LATEX PRODUCTION OF RUBBER TREE (Hevea brasiliensis) BY NUTRIENT INFUSION Ginting, Candra; Maria Astuti, Yohana Theresia
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

Penelitian bertujuan untuk mengetahui pengaruh pemberian nutrisi secara infus pada batang karet terhadap produksi latex.? Penelitian dilaksanakan di ?Perkebunan karet milik PTPN VIII di Garut, Tasikmalaya pada bulan April sampai Agustus 2015. Larutan nutrisi terdiri dari unsur ara makro dan mikro yaitu: N-NH2+ : 0,2 %, N-NO3-: 2,3 %, P2O5 total: 1,0%, total K2O : 2,4%, total Ca : 0,08 %, total Mg : 0,07 %; ?total SO42- : 0,28 %.; total Fe :67,9 mg.kg-1, total Cu : 28,9 mg.kg-1, total Mn : 38,7 mg.kg-1, total Zn : 16,4 mg.kg-1.? Larutan nutrient diencerkan 100 x sebelum aplikasi, dengan nilai electrical conductivity 3,83 mS/cm dan pH 5,52. ?Larutan tersebut diaplikasikan dengan cara infus batang karet. Hasil yang diperoleh menunjukkan adanya peningkatan berat latex dan kadar karet kering. Tanaman karet yang telah mengalami kering sadap akibat penggunaan stimulan sebelumnya, setelah dilakuakan aplikasi infus nutrisi, dapat memproduksi latex kembali.?Keywords : rubber tree, latex, nutrient infusion
GENETIC RELATIONSHIP OF KANTONG SEMAR (Nepenthes spp.) BASED ON RAPD (RANDOM AMPLIFIED POLYMORPHIC DNA) MARKERS Elfianis, Rita; ., Zulfahmi; ., Rowmaina
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

Pitcher plants (Nepenthes spp.) are an important economically as ornamental and medicine plants. They have a high degree of morphological variation and after ambiguis to distinguish among picher plants. The objective of research was to observe the genetic relationship among pitcher plant based on RAPD markers. Nine pitcher plants were analyzed using five RAPD primers. The result of this study showed that five RAPD primers selected were generated total 60 DNA fragments ranging from 150-1.450 bp. Genetic distance among pitcher plants ranged from 0.105 [N. trichocarpa (NXT) vs N. mirabilis (MIR)] to 0.545 [N. ampularia hijau (AHI) vs N. ampularia peristom merah (APM). Based on the dendogram of UPGMA, pitcher plants divided into four clusters. First cluster was formed six pitcher plants, e.g. Nepenthes ampularia corong (ACO), Nepenthes mirabilis (MIR), Nepenthes x trichocarpa (NXT), Nepenthes ampularia batik (ABA), Nepenthes grasilis merah (GME), Nepenthes grasilis hijau (GHI). Second, third, and fourth clusters having only one species, namely Nepenthes ampularia hijau (AHI), Nepenthes ampularia panjang batik (APB), Nepenthes ampularia peristum merah (APM), respectively. The result of this investigation will help breeders for pitcher plants improvement program in future. Keywords: Genetic relationship, Nepenthes, RAPD markers
COMPOSITION AND DOMINANCE OF WEEDS AT IMMATURE AND MATURE STAGE OF OIL PALM PLANTATION Yuniasih, Betti; Soejono, A.T.; Ulinnuha, Dzuk
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

Weed is one of the problems in palm oil plantation. The research aims to determine the compositions and the dominance of the weeds in immature and mature stages then compare the weeds compositions between both. The research was conducted in Pelalawan Districk, Riau Province, from March to May 2017. The research was conducted by descriptive method. Sample was taken using a square plot measuring 1x1 meter with 10 replications. The plot sample was taken in a circle in immature plantings and in path mature plantings. The result shows that the diversity of the weeds was higher in immature plantings (18 species) than in mature stage (10 species). Weeds composition in palm oil plantation is much greater during the immature phase rather than mature phase because the high spaces and the high of sunlight in immature phase offer opportunity for the weeds to grow ubiquitously. None of the species in immature plantings are dominant species but in mature plantings there is one dominant species namely Nephrolepis bisserata. Perennial weeds species is a dominant weed type of both phase. The weeds compositions of immature and mature plantings shows the different compositions based on similarity index (IS Sorensen) that caused by the different environment condition. The weeds that found in mature plantings are a type of shade tolerant weeds. Nephrolepis bisserata, dominant species in mature plantings, is a shade tolerant species which can also increase air humidity and decrease the air temperature.???Keywords: weeds, composition, dominance, immature plantings, mature plantings, perennial, Nephrolepis bisserata? ?
GROWTH OF OIL PALM (Elaeis guineensis Jacq.) SEEDLINGS IN PRE NURSERY WITH FERTILIZER OF GOAT BLOOD SERUM AND FERTILIZER COMBINATION (NPK AND UREA) IN LATOSOL SOIL Diyanto, Mei; Rahayu, Enny; Hartati, Retni Mardu
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

The objective of this research was to find out whether goat blood serum and fertilizer combination can improve the growth of oil palm seedlings in pre nursery. This research was conducted at Plantation for education and observation, Stiper Agricultural Institute which located in Yogyakarta. This research was conducted from January until April 2017, using two factorial experiments arranged in completely random design (CRD). The first factor was the concentration of goat blood serum, concentration of 10%, 20%, and 30%. The second factor was combination of fertilizer, combination of NPK and Urea 1 gram / liter, 2 gram / liter, and 3 gram / liter. The result of analysis of variance showed that the concentration of goat blood serum had only significant effect on root dry weight and root volume, and the best concentration was 20%. However, no significant affected on the other parameters. The interaction of NPK and Urea fertilizers has no significant effect on the growth of oil palm seedlings.?Keywords: Goat blood serum, combination of fertilizer, palm oil seedling
GROWTH AND MORPHOLOGY OF PALM OIL (Elaeis guinensis Jacq.) ROOT UNDER DIFFERENT WATERLOGGING SALINITY Firmansyah, Erick
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

Palm oil can experience high salinity waterlogging at the same place and time; however, the effects of these two conditions on growth and morphology of palm oil root was not fully understood. Research has been done by combining two levels of salinity (high salinity and low salinity) and three levels of waterlogging (without waterlogging, two-week waterlogging intervals, and four-week waterlogging intervals). The study was conducted in pots for 4 months used 4 months old oil palm planting material. The results show that high salinity and waterlogging consistently decrease the oil palm root growth parameter. Longer duration of waterlogging decreases root growth greater than shorter waterlogging. High salinity and waterlogging do not consistently change the ratio of the area of each primary, secondary, and tertiary root tissue. Palm oil forms pneumatophore and aerenchyma under both non saline and saline waterlogging. High salinity followed by waterlogging can compensate the negative effects of salt ions (Na+ and Cl?) through morphological adaptations, changes in ion absorption rate, and root membrane impermeability.?Keywords : Morphology, Palm oil, Root, Salinity, Waterlogging
MYCHORRIZAL INOCULATION AND ASIMILATE DISTRIBUTION OF SOYBEAN Suryanti, Sri; Indradewa, Didik; Widada, Jaka
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

Soybean is a cheap source of vegetable protein. Effort to increase of soybean production have constrained the narrowness of fertile land. One way to increase soybean production in less fertile land is inoculation of mycorrhizal. The objective of this study are to conduct effect of mycorrhizal inoculation on physiological of soybean cultivars. The 18 x 2 factorial experiment was set up in completely randomize design using three replications during June to October 2013. The eighteen soybean cultivars (Grobogan, Burangrang, Sibayak, Kaba, Tanggamus, Anjasmoro, Argomulyo, Wilis, Panderman, Ijen, Baluran, Galunggung, Petek, Garut, Gepak Kuning, Malabar, Seulawah, Sinabung) were assigned as the first factor. The second factor was mycorrhizal inoculation with without mycorrhizal inoculation and mycorrhizal inoculation. Data were recorded for dry weight of shoot, dry weight of root, dry weight of plant, root shoot ratio at 56 days after planting, and harvest index at 84 days after planting. The result showed that mycorrhizal inoculation significantly increased the dry weight of shoot, dry weight of root, dry weight of plant and harvest index but significantly decreased of root shoot ratio.?Keywords: Mychorrizal inoculation, asimilate distribution, soybean
IN VITRO CALLUS INDUCTION OF Gerbera jamesonii WITH COMBINATION OF NAA AND BAP Swandari, Tantri; Setyorini, Titin
AGROISTA : Jurnal Agroteknologi Vol 1, No 2 (2017)
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Abstract

Gerbera, an ornamental flower plant of herbs, has been commonly cultivated as a potted plant or cut flowers. The main problem in conventional propagation Gerbera is insufficient amount of seeds to meet the growing demand of planting material. This study aims to develop effective and low cost in vitro system of Gerbera propagation; therefore Gerbera seeds are available in large quantities and cheaper price. The research was conducted in laboratory of plant tissue culture, Stiper Agriculture Institute, Yogyakarta from March to June 2017. The young leaves Gerbera jamesonii, commonly planted in the Dieng plateau area, were used as explant. The explants were inoculated in solid medium which contain of ? MS (Murashige and Skoog), sucrose 30 g/L and combination of NAA (Naphthalene Acetate Acid) and BAP (Benzilaminopurin).? The combinations of NAA ?and BAP were A0B0 (NAA 0 mg/L + BAP 0 mg/L); A1B0 (NAA 1 mg/L + BAP 0 mg/L); A2B0 (NAA 2 mg/L + BAP 0 mg/L); A0B1 (NAA 0 mg/L + BAP 1 mg/L); A2B1 (NAA 2 mg/L + BAP 1 mg/L); A0B2 (NAA 0 mg/L + BAP 2 mg/L); A1B2 (NAA 1 mg/L + BAP 2 mg/L), A2B2 (NAA 2 mg/L + BAP 2 mg/L). It was observed that ? MS medium supplemented with NAA and BAP can be used for callus induction from leaf explants of Gerbera jamesonii. Callus began to be induced three to four weeks after planting. Medium with combination of NAA 2 ppm and BAP 1 ppm (A2B1) produced the best characterized callus, with shiny green appearance and clustered form (embryogenic).?Keywords : Callus induction, Gerbera jamesonii, NAA, BAP

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