Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
ISSN : 20852916     EISSN : 23373652
urnal Agronomi Indonesia, sebelumnya bernama Buletin Agronomi, terbit sejak 1962, diterbitkan oleh Departemen Agronomi dan Hortikultura Fakultas Pertanian, Institut Pertanian Bogor dan Perhimpunan Agronomi Indonesia (PERAGI). Jurnal Agronomi Indonesia merupakan media untuk publikasi tulisan asli yang berkaitan dengan budidaya tanaman secara luas, dalam Bahasa Indonesia maupun Bahasa Inggris. Naskah dapat berupa: hasil-hasil penelitian mutakhir (paling lama 5 tahun yang lalu), ulasan (review)singkat, analisis kebijakan atau catatan penelitian (research note) singkat mengenai teknik percobaan, alat, pengamatan, hasil awal percobaan (preliminary result).
Articles 12 Documents
Search results for , issue " Vol 41, No 1 (2013): Jurnal Agronomi Indonesia" : 12 Documents clear
Keragaan Mutan Putatif Purwoceng (Pimpinella pruatjan Molk.) dari Benih Diiradiasi Sinar Gamma pada Tiga Ketinggian Tempat Wahyu, Yudiwanti; Darwati, Ireng; Rosita, ,; Pulungan, Muhammad Yusuf; Roostika, Ika
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Pruatjan (Pimpinella pruatjan Molk.) is Indonesian endangered medicinal plant which grows endemically at mountainousarea. To broaden its planting area, an effort to develop low-altitude tolerant genotype of pruatjan had been conductedsince May 2007. Pruatjan seeds harvested from Gunung Putri experimental station (1,545 m asl) were treated with gammairradiation (0-5 krad) and germinated at Gunung Putri. Young seedlings were transplanted into small polybag (Ø 10 cm), anda month later they were moved into 10-kg medium of pot or polybag. Two months later, some of the young plants were moved to Cibadak experimental station (950 m asl) and Cicurug experimental station (550 m asl). All plants were maintained until flowered and produce seeds. The result shows that seeds from all of irradiation level treatments germinated and grew wellalthough the amount of seedlings decreased by the higher level of irradiation treatment. No phenotypic difference of plantsfrom irradiated seed compared with those from non irradiated ones (0 krad). Plants at Cibadak and Cicurug grew faster thanthose at Gunung Putri, and also flowered faster. On April 2008, seeds from 0, 1, 3 and 5 krad treated plant had germinatedat Cicurug, and those seedlings were the candidate genotypes for low-altitude tolerant of pruatjan.Keywords: induced mutation, low altitude tolerant, pruatjan, variability
Potensi Hasil dan Mutu Beras Sepuluh Galur Harapan Padi untuk Lahan Rawa Pasang Surut Hairmansis, Aris; Aswidinnoor, Hajrial; Supartopo, ,; SuwarnoSuwarno, Willy Bayuardi; Suprihatno, Bambang; Suwarno, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Breeding programs to improve rice varieties for tidal swamp areas have successfully developed a number of promisingbreeding lines. The objectives of this study were to evaluate the performance of ten advance breeding lines in multilocationyield trials and to analyze grain quality of the lines. The lines and two check rice varieties, IR42 and Batanghari, wereevaluated in replicated yield trials in six different tidal swamp environments. Grain quality of these lines were analyzed todetermine physical and chemical properties of the milled and cooked rice. Result from multilocation yield trials showedthat the breeding lines had higher yield potential compared to popular variety IR42 and their yields were comparable tothe control variety Batanghari. The lines showed different adaptability against different environments; some of the linesdemonstrated wide adaptability while the others showed specific adaptation ability. All of the lines had good grain qualitywhile they had different shape and texture which made them potential to be accepted in different regions. The result fromthis study indicated that all of the lines have potential to be commercially cultivated in tidal swamp areas. In addition, dataobtained from this study have been used in the registration of three lines as new varieties for swampy area namely IPB 1RDadahup, IPB 2R Bakumpai and Inpara 6.Keywords: adaptation, grain quality, multilocation trials
Evaluasi Penampilan dan Efek Heterosis Hasil Persilangan Beberapa Aksesi Jarak Pagar (Jatropha curcas L.) Wijaya, Andi; Susantidiana, ,; Harun, Muhamad Umar; Surahman, Memen
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Agronomic performance and heterosis effect of progeny are important criteria for selection of parental hybrid. Theagronomic performance evaluation of Jatropha progeny which was derived from crossing of some Jatropha accessions hasbeen carried out for those goals. The study was conducted at Agro Techno Park, Indralaya South Sumatra. The crossingcombinations were Pidie x Medan, Curup x Lampung, Pidie x Lampung, Lampung x Pidie, Curup x Medan, Indralaya xPontianak, Medan x Palembang, Curup x Pidie, and Jogya x Komering. Oil production, nitrate reductase enzyme activity,leaf chlorophyll content and relative plant growth rate were evaluated. The result showed that the relative plant growth ratecould be used as early detection parameter for yield potential. Progenies of Pontianak x Indralaya, Palembang x Indralayaand Pidie x Lampung were selected as promising hybrids based on high productivity and heterosis effect.Keywords: Jatropha curcas, heterosis, relative plant growth rate, nitrate reductase activity
Konservasi In Vitro Pamelo (Citrus maxima (Burm.) Merr.) melalui Pertumbuhan Lambat Tyas, Kartika Ning; Susanto, Slamet; Dewi, Iswari Saraswati; Khumaida, Nurul
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Indonesia is one of the countries which have abundant germplasm of pummelo (Citrus maxima (Burm.) Merr.). Thepummelo germplasm must be conserved to prevent its extinction due to biotic and abiotic stresses. In vitro conservationusing slow growth technique can be considered as an alternative of ex-situ conservation. Two experiments were conductedto obtain suitable medium to conserve pummelo in vitro. The first experiment was conservation using modified concentrationof MS and sucrose. MS medium concentrations were 1/2MS and MS, while sucrose concentrations were 0, 1, 2 and 3%. Thesecond experiment was conservation using osmoticum and retardant in MS medium. There were six combinations of MSmedium supplemented with osmoticum and retardant, i.e. MS + sucrose 3%, MS + sucrose 3% + paclobutrazol 7.5 ppm, MS+ sucrose 3% + paclobutrazol 15 ppm, MS + sorbitol 2%, MS + sorbitol 2% + paclobutrazol 7.5 ppm, MS + sorbitol 2% +paclobutrazol 15 ppm. The results showed that reducing MS medium and sucrose consentration decreased leaf number andshoot length but increased root number and length. The combination of osmoticum and retardant reduced shoot length, leaf number, root number and length. Based on the planlet visual and inhibition of growth through the decrease of leaf number, shoot and root length, the best medium to preserve pummelo was MS + sorbitol 2% + paclobutrazol 7.5 ppm.Keywords: Citrus maxima, osmoticum, preservation, retardant, slow growth
Respon Pertumbunan Tanaman Kedelai terhadap Bradyrhizobium japonicum Toleran Masam dan Pemberian Pupuk di Tanah Masam Triadiati, ,; Mubarik, Nisa Rachmania; Ramasita, Yoan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The use of acid tolerant rhizobacteria such as Bradyrhizobium japonicum is one effort for increasing soybeanproductivity in acid soil. B. japonicum is a N-fixing bacteria that can promote soybean growth through symbiosis with thehost plants. The objective of this study was to investigate the growth and production of soybean var. Wilis inoculated by B.japonicum and NPK inorganic fertilizer application in acid soil. Two isolates of B. japonicum that were BJ 11(19) and BJ11(wt) were used as inoculant for soybean. BJ 11(19) was resulted by transposons mutagenesis, whereas BJ 11(wt) is a wild type of bacteria. Both isolates of B. japonicum were acid tolerant. Soybean was inoculated with BJ 11(19) and BJ 11(wt)combined with compost and nitrogen fertilizer (with two rates). The field experiment was conducted at Cikabayan, Darmaga,in a randomized complete block design with 12 treatments and 3 replicates. The results showed that application of the acidtolerant B. japonicum BJ 11(wt), compost, and nitrogen fertilizer (10 g m-2) increased the plant height, dry weight of shootsand roots, nodule number, dry weight of nodules, nitrogenase activity, number of pod and seed, seed weight, and nitrogencontent of seeds in acid soil.Keywords: acid soil, acid tolerant rhizobia, Bradyrhizobium japonicum, compost, nitrogen fertilizer
Perbanyakan In Vitro Sansevieria trifasciata ‘Lorentii’: Regenerasi Tunas, Pengakaran, dan Aklimatisasi Planlet Yusnita, ,; Wahyuningsih, Triani; Sulistiana, Puji; Hapsoro, Dwi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

This research aimed to study effects of benzyladenine (BA) on in vitro shoot formation and effects of indolebutyric acid(IBA) and acclimatization media on ex vitro rooting and acclimatization of Sansevieria trifasciata ‘Lorentii’. Leaf segmentswere taken from young fully-expanded leaves, surface sterilized and cultured on Murashige and Skoog (MS) basal mediumcontaining 0.25 mg L-1 2,4-dichlorophenoxyacetic acid (2,4-D) for 2 weeks, transferred to medium without growth regulatorfor 2 weeks, and then subcultured on MS medium containing BA (0, 0.5, 1 and 2 and 5 mg L-1). The results showed thatadventitious shoot regeneration occured after callus formation. The best BA concentration was 2 mg L-1, producing 4.5 shootsper explants in 3 months and 11.1 shoots per explant in 4 months. Application of 2000 ppm IBA and the use of acclimatization  medium consisting rice husk charcoal and compost (1:1) produced the highest number of primary roots, length of roots and root fresh weight. However, the ex vitro rooting did not influence the success of plantlet acclimatization, the survival rate being 96% and there were no significant difference in plant growth.Keywords: benzyladenine, ex vitro, indolebutyric acid, 2,4-dichlorophenoxyacetic acid, micropropagation, Sansevieriatrifasciata
Deteksi Dini Toleransi Padi Hibrida terhadap Kekeringan menggunakan PEG 6000 Afa, La Ode; Purwoko, Bambang Sapta; Junaedi, Ahmad; Haridjaja, Oteng; Dewi, Iswari Saraswati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of this study was to determine a selection method at early stage for drought tolerant hybrid rice. Theexperimental design was split plot with 3 replications. In the first experiment the main plot was concentration of PEG 6000consisting of control and concentration 25% of PEG 6000. The subplots were hybrid genotypes/varieties, i.e. BI485A/BP3,BI485A/BP5, BI485A/BP10, BI485A/BP12, BI485A/BP15, BI599A/BP5, BI599A/BP15, BI665A/BP6, Maro, Hipa 8, IR64and Limboto. In the second experiment the main plot was drought stress level which consisted of control and drought stressat 60% field capacity. The subplots were hybrid genotypes/varieties used in the first experiment. The results showed that PEG 6000 could be used to detect drought tolerant genotypes at early stage. Seedling dry weight was the major character for selecting drought tolerant genotypes. Genotypes BI485A/BP15 and BI559A/BP15 are tolerant to drought and can potentially be grown in rainfed lowland.Keywords: drought tolerant, early selection, hybrid rice, polyethylene glycol
Inisiasi Tunas Ganda Tanaman Manggis Malinau melalui Kultur In Vitro untuk Perbanyakan Klonal Lestari, Endang Gati; Suhartanto, M. Rahmad; Kurniawati, Ani; Rahayu, Suci
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Mangosteen (Garcinia mangostana L.) is one of the most promising tropical fruits for export. The major constraint toincrease fruit production of the spesies is the long juvenile period. Seedless, sweet and juicy variety of mangosteen had beenfound in Malinau. In vitro propagation technique offers possibility to produce sufficient number of seedlings any time. Thisresearch was aimed at obtaining the appropriate media formula to enhance shoot proliferation. This research consisted ofshoot induction and multiplication and shoot elongation. The materials were the fresh mangosteen seeds from the Malinaumangosteen trees. The explant used in the trial was seeds which were divided into four slices. The use of 8 to 16 mg BA L-1combined with 0.2 mg thidiazuron L-1 resulted in the best shoot induction of 52 shoot buds per explant at the 6th week afterplanting with the mean height of 0.3 cm. Upon subculturing in to the similar media, the number of shoot tends to increase.For multiplication, low concentration of BA (2 to 4 mg L-1) and thidiazuron 0.05 mg L-1 were applied to increase the numbersof shoots. The total shoot number obtained in the media with 0.05 thidiazuron without BA was 11.25 and in the media with 2mg BA L-1 + 0.05 mg thidiazuron L-1 was 8.7 shoot explant-1. The result showed that the best media for shoot elongation wasMS + 1 mg BA L-1 + 2 mg kinetin L-1. The length of the shoots were in the range of 0.5-0.8 cm.Keywords: BA, Garcinia mangostana, in vitro culture, shoot multiplication, thidiazuron
Hasil Tebu Pertama dan Keprasan serta Efisiensi Penggunaan Hara N dan S akibat Substitusi Amonium Sulfat Nurhidayati, ,; Basit, Abdul; Sunawan, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

This study was aimed to describe the substitution of ammonium sulfate (AS) with the other fertilizers containing theequal N and S to the cane and sugar yield and nutrient use efficiency of the plant and ratoon cane. A field experiment with arandomized complete block design and three replications was conducted on the dry land in two consecutive cropping seasonsof 2010 to 2011. There were 10 treatments consisting of three treatments tested using the AS fertilizer, three treatments usingAS substitute in the form of urea + gypsum, three treatments using AS substitute in the form of urea + gypsum + biocompostand a control treatment (without fertilizer). The results showed that for the plant cane, the highest cane yield was obtainedon the treatments using urea + gypsum, while the highest sugar content and yield on the treatment using urea + gypsum +biocompost with 140 kg N ha-1+168 kg S ha-1 rates. The highest nutrient use efficiency was obtained on the treatment using urea + gypsum 100 kg N ha-1+120 kg S ha-1 rates. For the ratoon cane, the highest cane yield, sugar content and yieldwere obtained in the treatment using urea + gypsum + biocompost. The highest nutrient use efficiency was obtained onthe treatment using urea + gypsum with 100 kg N ha-1+120 kg S ha-1 rates and urea + gypsum + biocompost with 140 kg Nha-1+168 kg S ha-1 rates. The range of the average increase in the nutrient use efficiency of substitution fertilizer between42-44% compared to the AS fertilizer. This results suggests AS fertilizer in sugarcane cultivation can be substituted with theother fertilizers which have equal N and S content.Keywords: AS fertilizer, AS substitution, cane and sugar yield, nutrient use efficiency
Pengaruh Batang Bawah dan Jenis Tunas pada Mikrografting Manggis (Garcinia mangostana) secara In Vitro Handayani, Rd. Selvy; Poerwanto, Roedhy; Sobir, ,; Purwito, Agus; Ermayanti, Tri Muji
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 1 (2013): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The aim of this study was to investigate the effect of rootstock and shoot types on in vitro mangosteen micrografting.The experiment was arranged in completely randomized design (CRD) with two factors. The first factor was the rootstocktype, i.e. rooted planlet from the germination of quartered seed, and rooted planlet from the germination of undivided seeds.The second factor was the developmental phase of scion, i.e. dormant buds, and flush (had new leaf more than 2-4 mm). Theresults showed that rootstock derived from the germination of undivided seed had a higher success rate than other treatmentson all variables, except for number of new leaves. The use of flush as scion was better than dormant buds; flush resulted in ahigher percentage of successful micrograft and longer shoots. In vitro micrografting had a better growth rate than grafting at the same age. The results of anatomical observation conducted at four months after micrografting demonstrated that there was a good graft union, indicated by excellent fusion between rootstock and scion xylem tissues.Keywords: flush, in vitro, micrografting, rootstock, scion

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