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INDONESIA
Jurnal Agroekoteknologi
ISSN : -     EISSN : 25487108     DOI : -
Core Subject : Agriculture,
Journal of Agroecotechnology contains articles directly sourced from the results of research related to the cultivation of plants related to soil, plants, weeds, pests and diseases.
Arjuna Subject : -
Articles 10 Documents
Search results for , issue " Vol 2, No 1 (2010)" : 10 Documents clear
PENGARUH PERLAKUAN KOLKISIN TERHADAP JUMLAH KROMOSOM DAN FENOTIP TANAMAN CABE KERITING (Capsicum annuum L.) Murni, Dewi
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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Abstract

ABSTRACTSeed of red chilli plants has been induced with different consentrations of cholchisine 0,01%, 0,025% dan 0,05% in 24 hours incubation. The best consentration of cholchisine to induce these plants from diploid to poliploid was 0.025%. With this treatment root tip was dwelling, 90,82% in red chilli plants. Chromosomal microscope preparation of root tip dwelling showed tertaraploid chromosome which indicate tetrapolid character. The tetraploid plants show different morphology character comparing with diploid plants. The tetraploid plants are shorter, stems diameter are bigger, leaves size are wider and corollas are longer but flowering slower than diploid plants. Chromosome of anther buds was also showed tetraploidi, 95,83% in red chilli.Keywords: cholchisine, ploidy level, phenotype, red chilli plants
EFEKTIVITAS APLIKASI BEBERAPA HERBISIDA SISTEMIK TERHADAP GULMA PADA PERKEBUNAN KELAPA SAWIT RAKYAT ., Yardha; Meilin, Araz
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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Abstract

ABSTRACTThe objective of the study were to find the dominant weeds in palm oil plantation before application of weeds control using effective active compound of systematical herbicide. Research done in Glorious Countryside Petaling, public plantation, River Gelam, Muaro Jambi, Jambi Province in January--Februari 2008. The research used active compound of herbicide gliphosate amineisoprophyll, 2,4 D-dimethyllamine, gliphosate isoprophyllamine + 2,4 D dimethyllamine, and triasulphuron 75%. The study was conducted using Randomized Completely Design, with 5 replicates. Data were analyzed by Duncan’s Multiple Range Test (DMRT). Data analysis of weeds vegetationusing SDR values. Result found 5 dominants weed species before herbicide application were Imperata cylindrica (with SDR value 27,8%), followed with Asystasia intrusa ( SDR = 9,4%), Affinae melastoma ( SDR = 9,2%), Repens panicum ( SDR = 8,2%), and Borreria alata ( SDR = 7,7)). Glyphosate isoprophyllamine of herbicide active compound which suitable to control grass weed species; while 2,4 D dimethyllamine active compound more suitable to control the wide leaf weed. Imperata cylindrica controlled with herbicide using gliphosate isoprophyllamine active compounds. Asystasia intrusa and Affinae melastoma controlled with 2,4 D dimethyllamines active coumpound. Weed competition reduce of crop production.Key words: active compound, herbicide, weed, palm oil
JUMLAH BINTIL AKAR DAN HASIL KACANG TANAH (Arachis hypogaea L.) KULTIVAR LOKAL ASAL PANDEGLANG PADA KONDISI KETERSEDIAAN AIR TANAH YANG MENURUN ., Rusmana
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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Abstract

ABSTRACTThe objective of this experiment were find out responses various local peanut cultivars of Pandeglang to soil water availability decline condition. Randomized complete block design with three replications was used in this experiment. First factor is level of soil water availability consisted of three levels (100%, 75%, and 50%). Second factor is local cultivar of Pandeglang consisted of four levels(local cultivar of Menes, of Cibaliung, of Malingping, and of Cikeusik). Result of research indicates that decline soil water availability results degradation of number of root nodules and seed wight per plant for all local cultivar peanut of Pandeglang. Degradation of soil water availability out of 100% becomes 75%to result degradation of number of root nodules per plant average of 24,59% and degradation of soil water availability out of 100% becomes 50% to result degradation of number of root nodules 31,15%. Degradation of soil water availability out of 75% becomes 50% doesnt show degradation of number ofroot nodules manifestly. Degradation of soil water availability out of 100% becomes 75% to result degradation of seed wight average of 10,77% and degradation of soil water availability out of 100% becomes 50% to result degradation of seed wight 22,08%. Degradation of soil water availability out of75% becomes 50% doesnt show degradation of seed wight manifestly.Key words: local cultivar, peanut, root nodule, soil water availability
PERTUMBUHAN DAN HASIL TANAMAN WIJEN DENGAN PEMBERIAN FUNGI MIKORIZA ARBUSKULA (FMA) DAN BOKASHI TITHONIA PADA TANAH ULTISOL ., Ediwirman Zaharnis; ., Zaharnis
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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Abstract

ABSTRACTThis research aims to obtain dose combination bokashi Tithonia and more precise AMF on growth and yield of sesame in the Ultisol. This research used Completely Randomized Design with 3 replications. The treatment is given, the first factor (A) is a measure bokashi Tithonia 4 levels namely, 0, 1, 2, and 3 t ha-1. The second factor (B) is 3 levels of arbuscular mycorrhizal fungus (AMF), namely: 25, 50 and 75 g plant-1. Investigated range of advanced real test, if the F count > F Table 5% with advanced test LSD 5% level. The results showed that bokashi tithonia and mycorrhizal provides no real interaction, but a single real influence. Giving bokashi Tithonia 3 t ha-1 and FMA 50 g plant-1 gives growth and yield of sesame is the best on Ultisol.Key words: AMF, Tithonia, Sesamum.
PEMBENTUKAN KALUS BEBERAPA KULTIVAR TEBU (Saccharum officinarum L.) DENGAN KONSENTRASI 2.4 D BERBEDA ., Susiyanti
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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ABSTRACTSugarcane (Saccharum officinarum L.) is one of the most important crop in Indonesia. Improvement of sugarcane productivity mainly depend on quality of cultivar. Alternative method such as in vitro culture technique are needed to be uses to multiply clones of sugarcane. As the first step in many tissue culture experiment, it is necesssary to induce callus formation from the primary explantbefore regeneration to be plantlets. The objective of the study were to find the best callusing medium using several concentration of 2.4 D. The study was conducted using factorial design with Randomized Completely Design, with10 replicates. The first factor were: several culture 2.4 D media [kinetine 0.1mg l-1 + 2.4 D (1; 2; 3 dan 4 mg l-1)], and the second factor were sugarcane varieties (cv. Triton, cv. PSJT 94-41, and cv. PA 175). Data were analyzed by Duncan’s Multiple Range Test (DMRT) 5 %. Best callus induction from 3 clones of sugarcane was observed on medium containing 3 mg l-1 2.4 D. The optimum callusing medium for Triton cv, PSJT 94-41 cv. and PA 175 cv. respectively: 3,38; 3,79 and 2.85 mg l-1 mg l-1 2.4 D.Key words: sugarcane, callusing, 2.4 D, in vitro
ANALISIS KANDUNGAN DIOSMIN TANAMAN SELEDRI PADA BERBAGAI MEDIA TUMBUH Syabana, Mohamad Ana; PK, Edi Jauhari; Surahadikusuma, Elly
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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Abstract

ABSTRACTThe celery plant well known as herbs especially because of celery’s odor and it also have a lot of positive impact to health, for example antidiuretic, antiplasmodic and antiinflammatory. This impact because of celery secondary metabolite one of them is diosmin. The non-optimum plant growthenvironment will induce secondary metabolite production. This research aim is to find the plant medium that will produce most diosmin content. Celery was planted on six kind of plant medium that was dolomite lime andosol, compost andosol, sand andosol, dolomite lime podsolic, compost podsolic and sand podsolic media. Six weeks after growing in a green house wich temperature 27,3 0C. Selery was harvested and dried on the oven. Futhermore the diosmin content was measured qualitative by TLC and Quantitative by HPLC. The highest diosmin content is 1754,90 ppm showed on dried celery from dolomite lime andosol media, from dolomite lime podsolic media is 1424,57 ppm, from compost andosol media is 1134,2 ppm and the lowest from sand andosol.Key words: celery, diosmin, plant media, HPLC
VARIABILITAS GENETIK GENERASI F2 PADA KARAKTER UKURAN BIJI KEDELAI [Glycine Max (L.)] Yenny, Ratna Fitri
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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ABSTRACTSeed size characters measure represent an important factor of production and determinant in physical indicator to determine consumer fascination as completely seed. Genetic Variability represent the breeder seeds basis to find a new variety that genetically having high yield. This research aim to to know seed size measure character genetic variability from F2 soybean, crossing between big seed size measure parental with small seed size measure parental. Result of the research showed that there are wide of genetic variability. Genetic variability of vascular bundle system is an important new varieties parameter in recombining genetically high yield. A hundred seed weight, seed length, seed thickness and seed width had wide genetic and phenotypic variabilityKey words: genetic variability, seed size, F2, soybean
KOREKSI KESESUAIAN LAHAN DENGAN REFERENSI KESESUAIAN SUHU PERTANAMAN KENTANG MERAH PADA DATARAN SEDANG BENGKULU Barchia, Muhammad Faiz; Muin, S Nur; ., Mukhtasar; Deta, N C
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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ABSTRACTAdaptation red potato planted on medium altitude in Bengkulu upland in order to correct land suitability classification based on criteria of land characteristics/quality. The research was conducted from July to October 2009, Kepahiang, Bengkulu located in 4 (four) experimental stations; mediumaltitude which located in Kelobak 525 m (up sea level, usl) and Pematang Donok, 650 m usl comparing location in Tugu Rejo 1135 m usl and Bandung Baru 1346 usl. Temperature in high altitude on Bengkulu upland was 22.3 oC in Bandung Baru and 23.5 oC in Tugu Rejo. In highland Bengkulu, land suitability class was Marginally Suitable (S3t) around Bandung Baru, while around Tugu Rejo, and medium altitude of upland Bengkulu around Kelobak and Pematang Donok with average temperature 24.8 oC categorized Permanently Non Suitable (N2t). Following the result of red potato adaptation research, there was no significantly diference among 4 (four) experimental location of potato yields in which yield of potato in Bandung Baru was 16.7 tons ha-1, Tugu Rejo was 15.5 ton ha-1, and yield of red potato in medium altitude of Bengkulu upland in Kelobak was 15.4 tons ha-1 and Pematang Donok was 19.3 tons ha-1. Based on those, temperature as a limiting factor for potato growth was the same suitable for red potato cultivation in the high and medium altitude of Bengkulu upland. Criteria of land sutability classification for potato cultivation in medium altitude of Bengkulu upland categorized N2t, Permanently Unsuitable should be corrected because of medium altitude of upland in Bengkulu high potential to develop as area for red potato cultivation.Key words: temperature, land suitability classification, red potato.
KAJIAN PENGGUNAAN ASAM PERASETAT UNTUK PEMUTIHAN TERHADAP SIFAT KIMIA PULP BAGASSE HASIL ORGANOSOLV Hidayati, Sri; Zuidar, A Sapta
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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ABSTRACTBaggase represent waste of lignocellulose yielded by sugar mill after sugar cane taken its. Especial component of bagasse for example fiber about 43-52%, lignine content of 20% and pentosan content of 27%. pulp had been made from bagasse fiber. This research conducted to know the bleaching methode using various concentration peracetic acid viewed from their chemical properties. The bleaching process was carried out using peracetic acid 0, 3, 6, 9, 12 and 15% at 850C for 3 hours. After works, the pulp was washed and dried at room temperature, analyzed for cellulose, hemicellulose and number of kappa. The result showed that higher peracetic acid concentration descreased in cellulose, hemicelluse, lignin, permangant number and kappa number. The best result was obtained at the concentration of 3% with content of cellulose, hemicellulose, and permanganat numer and kappa number of 70,16%, 16,85%, and 30,05 5 respectively.Keywords: bagasse, peracetic acid,cCellulose
IDENTIFIKASI MIKRORGANISME TERBAWA BENIH KEDELAI VARIETAS GALUNGGUNG, WILIS, DAN ANJASMORO Saylendra, Andree; Fatmawaty, Andy Apriany
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

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ABSTRACTThe objective of this experiment was conducted to identification of seed-borne microorganism that infected or contaminated soybean from Galunggung, Wilis, and Anjasmoro varieties. Soybean seed samples were collected from BB Biogen Cimanggu Bogor. One hundred seeds used by random sampling method as the work sample in seed health testing were obtain from 1000 gram of the sample. Testing method that been used were blotter test and agar test. Bacteria and twelve genera of fungi were found from this experiment. They were Rhizopus, Aspergillus, Fusarium, Alternaria, Culvularia, Mucor, Pythium, Corynespora, Cercospora, Colletotrichum, Phoma, and Pythium.Key words: identification, microorganism, soybean, seed-borne

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