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).
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Search results for , issue " Vol 37, No 2 (2009): Jurnal Agronomi Indonesia" : 12 Documents clear
Penapisan Varietas Padi Toleran Salinitas pada Lahan Rawa di Kabupaten Pesisir Selatan Utama, M. Zulman Harja; Haryoko, Widodo; Munir, Rafli; Sunadi, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The experiment was aimed to determine the most suitable method for selection of salt-tolerant, and to investigate the agronomic characteristics of salt-tolerant rice variety.  Two experiments were conducted to study the tolerance of 18 varieties to salt: 1) in situ screening of salt-tolerant varieties using completely randomized design, and 2) screening of salt-tolerant varieties using factorial experiment (varieties and salinity) with completely randomized design. The experiment showed that screening of rice variety that tolerant and sensitive to salt stress can be determined by comparing root dry weights in salt stressed condition and in unstressed condition, and in term of agronomical aspect, salt stress-tolerant rice showed good growth when planted in the saline field.   Key words: Screening, rice, swamp areas and salt stress
Pengaruh Tinggi Pangkasan Batang Utama dan Jumlah Cabang Primer yang Dipelihara terhadap Produksi Minyak Jarak Pagar (Jatropha curcas L.) Raden, Ince; Purwoko, Bambang S.; Hariyadi, ,; Ghulamahdi, Munif; Santosa, Edi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of this research was to study shoot architecture in relation to growth, increase production and seed oil content through various stem pruning and number of primary branches. This research was conducted using Randomized Complete Block Design with single factor. It consisted of ten treatments, i.e., K=kontrol, T20= height of stem pruning at 20 cm from soil and without control on number of primary branches, T20-2=height of stem pruning at 20 cm from soil and two primary branches, T20-3= height of stem pruning at 20 cm and three primary branches, T30= height of stem pruning at 30 cm and without control on number of primary branches, T30-2= height of stem pruning at 30 cm and two primary branches, T30-3=height of stem pruning 30 cm and three primary branches, T40=height of stem pruning at 40 cm and without control on number of  primary branches, T40-2=height of stem pruning at 40 cm and two primary branches, and T40-3=height of stem pruning 40 cm and three primary branches. The results showed that stem pruning increased number of primary branches. The highest seed oil content and seed production was achieved T40 and T30-3 treatments i.e., 323.81 g/plant or 0.810 ton/ha and 320.61 g/plant or 0.802 ton/ha with seed oil yield 244.56 kg/ha and 276.61 kg/ha, respectively.   Key words : Jatropha curcas L., seed oil content, pruning, primary branches
Penentuan Kebutuhan Pupuk Kalium untuk Budidaya Tomat Menggunakan Irigasi Tetes dan Mulsa Polyethylene Amisnaipa, ,; Susila, Anas D.; Situmorang, Rykson; Purnomo, D. Wasgito
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Tomato var. Ratna was grown with polyethylene mulched and drip irrigation on Inceptisol Dramaga with very low soil K and organic matter during two seasons to K critical concentration, and potassium fertilizer requirement. Experiment used single location approach with three steps of activity.  The first experiment was established in 2004 to develope artificial soil K status by adding K: 0X (0), 1/4X (193.098), 1/2X (386.195), 3/4X (579.293) and X (772.39 kg K2O ha-1), where X was amount of K equal to 772.39 kg K2O ha-1 or 1287.32 kg KCl ha-1.  The second experiment was calibration K study, the experiment arranged in split plot design, with main plot was K status (form first experiment) and sub-plot was K aplication (0, 40, 80, 160, and 320 kg K2O ha-1) in 4 replicated.  Third experiment was optimation of K rate.  The result showed that interval of soil K availability extracted by Morgan Vanema was divided 5  classes,  they were  very low (< 58.25 ppm K), low (58.25-103.25 ppm K), medium (103.25-205.00 ppm K), high (=205 ppm K) and very high (>205.00 ppm K). Potassium recommendation for tomato on Inceptisol with drip irrigation and polyethylene mulch which has very low, low, medium, high and very high K content was 180.20, 131.30 and 82.25 kg K2O ha-1or equal to  300.33, 218.83, and 137.08 KCl ha-1 respectively.   Key words:  Fertilizer, Potassium, calibration,  Lycopersicon esculentum.
Adaptasi dan Stabilitas Hasil Galur-Galur Padi Beras Merah pada Tiga Lingkungan Tumbuh Aryana, I Gusti Putu Muliarta
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The aim of this research was to study the adaptation and yield stability of red rice genotype obtained from back cross selection in three different growing environments.  Twenty genotypes of red rice obtained from back cross selection and three parents (Piong, Angka, Kenya) were tested for their potential yield in three different growing environments in the rainy season 2006/2007 and dry season 2007. The experiment used randomized completely block design with three replications in each environment. Each genotype was grown on 5.5 m x 1.25 m plot with plant spacing of 25 cm x 25 cm and only 1 plant per clump. Irrigation in upland was based on the availability of rain water, water management in paddy&acute;s field followed a normal lowland rice irrigation technique, and in drought environment, soil water content was maintained  at 25 - 30% of soil available water. To analysis the  adaptation and the yield stability, analysis of variant AMMI model and Biplot were used. The results indicated that the genotype showing the most stable yield was G5(A4), and this genotype produced 3.60 grain yield ton/ha. Genotype having special adaptation in drought stressed environment were G2(A1) and G3(A2) with average grain yield of 2.93 and 2.11 ton/ha, respectively. Genotype having special adaptation in upland environment were G1(A0) and G4(A3) with average grain yield of 4.43 and 4.44 ton/ha, respectively. Genotype having special adaptation in technical irrigation area was G17(P15) with an average grain yield of 4.92 ton/ha.   Key words:  Adaptation, stability, red rice
Keragaan Genetik dan Pendugaan Heritabilitas pada Komponen Hasil dan Kandungan β-Karoten Progeni Kelapa Sawit Putri, Lollie Agustina P.; Sudarsono, ,; Aswidinnoor, Hajrial; Asmono, Dwi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

An experiment to study heritability, general combining ability (GCA), and specific combining ability (SCA) of some traits in oil palm progeny was conducted at Kebun Surya Adi, PT. Bina Sawit Makmur, Sampoerna Agro, Ogan Komering Ilir, Sumatera Selatan, from July 2006 until September 2008.  The research was arranged in alpha design with two replications, 50 progenies and 12 palms for each replication, respectively. The results showed that broad sense heritability estimates were high for mesocarp to fruit, oil to fresh mesocarp, and  kernel to fruit content ratios, and β-carotene content; medium for bunch number and oil to bunch ratio; and low for fresh bunch and fruit to bunch ratio. The general combining ability (GCA) of bunch number, mesocarp to fruit, oil to fresh mesocarp, and kernel to fruit ratios and β-carotene content were highly significant. Similarly, the specific combining ability (SCA) of mesocarp to fruit, oil to fresh mesocarp, and kernel to fruit ratios and β-carotene content were also highly significant.   Key words:  Heritability, combining ability, Elaeis guineensis Jacq., alpha design, β-carotene
Respon Antera Anthurium andreanum Linden ex André cv. Carnaval pada Medium dengan Berbagai Kombinasi Konsentrasi Zat Pengatur Tumbuh Winarto, Budi; Mattjik, Nurhayati A.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Anther culture is one of technological breakthrough in producing homozygous lines, which is an important genetic resource in plant breeding programs. Response of anther in various regeneration media is one of important basic information in developing anther culture method. The objective of this research was to investigate callus formation and evaluate the potential of using this cultivar in developing anther culture of anthurium. Anthers, yellow and reddish callus derived from anther culture of A. andreanum cv. Carnaval were used in the study. Eight regeneration media i.e. MMS + (1) 0.5 mg/l TDZ + 0.01 mg/l NAA,( 2)  0.5 mg/l TDZ + 0.05 mg/l NAA, (3) 1.0 mg/l TDZ + 0.01 mg/l NAA, (4) 1.5 mg/l TDZ + 0.02 mg/l NAA, (5) 1.0 mg/l 2,4-D + 1.5 mg/l TDZ + 0.01 mg/l NAA,(6) 0.75 mg/l 2,4-D + 2.0 mg/l TDZ + 0.05 mg/l NAA, (7) 0.75 mg/l 2,4-D + 1.0 mg/l TDZ + 1.0 mg/l BAP + 0.01 mg/l NAA, and (8) 0.25 mg/l 2,4-D + 1.5 mg/l TDZ + 0.75 mg/l BAP +0.02 mg/l NAA for yellow and reddish callus were investigated in this research. Factorial experiment was arranged in randomized complete block design with four replications. Results of this study indicated that callus formation was startedat ± 2.7 month after culture and observable by 3.5 month after culture. Average number of callus per anther was 3.6 per replication. Reddish callus grew faster than the yellow one. The callus cultured in MMS with 0.02 mg/l NAA gave high results of shoot initiation time , number of shoots primordia per explant, and average height of shoot primordial i.e. 8.5week, 10.8, and 0.78 cm respectively.   Keywords:  Anther culture, callus formation and regeneration, and medium
Taksonomi Mangga Budidaya Indonesia dalam Praktik Fitmawati, ,; Hartana, Alex; Purwoko, Bambang S.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The classification  of  cultivated plants should meet two approaches namely the botanical (classifying based on essential systematic plant characters) and the practical approach (clustering based on the analysis of commercial properties). This study analyzed taxonomy of mango cultivars grown in Indonesia based on morphology and agronomy characters. It obtained 84 recognizable cultivars.They are grouped into eigth main cultivar-groups (e.g. Berem, Madu, Gedong, Golek, Bapang, Arumanis, Kepodang, and Kebo) and eigthteen cultivar-groups. The &acute;Lalijiwo&acute; cultivars synonym with &acute;Thaber&acute;, &acute;Tabar&acute;, &acute;Gurih&acute; whereas &acute;Arummanis&acute; synonim with &acute;Gadung&acute;. Meanwhile, the cultivar &acute;Kates277&acute; which is a member of Golek cultivar main group is homonim with the cultivar &acute;Kates&acute; in Arummanis cultivars main group. Furthermore, the cultivar Nanas93 (one of Madu main group cultivar) that different with  the cultivar &acute;Nanas71&acute; which is categorized as member of Bapang main cultivar group.   Key words: Taxonomy of cultivated plant, Indonesian mango, morphology, agronomy characters
Identifikasi Beberapa Aksesi Jarak Pagar (Jatropha curcas L.) Melalui Analisis RAPD dan Morfologi Susantidiana, ,; Wijaya, Andi; Lakitan, Benyamin; Surahman, Memen
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of this research was to study and cluster of Jatropha germplasm belonging to University of Sriwijaya.  This research was conducted from September 2007 until July 2008. The research used 14 accessions of Jatropha taken from some regions in Indonesia, namely: Komering, Palembang, Yogyakarta, Indralaya, ATP2, Pontianak, Lahat, Pagaralam, Curup, Lampung, Medan Aceh Besar, Pidi and Gorontalo.  Accessions of Jatropha curcas L. were planted at Agro Techno Park (ATP)  Bakung village, Indralaya Utara district Ogan Ilir, South Sumatera using Randomized Complete Block Design.  RAPD analysis using 20 primers was done  at RGCI (Research Group on  Crop Improvement), Bogor Agricultural University.  Dendrogram based on RAPD analysis  produced five groups that were: the first group was Komering, Lahat, Pidi, Indralaya, Aceh Besar, Pontianak and Curup.  The second group was Palembang and ATP2. The third group was Pagaralam, Gorontalo, and Medan.  Lampung was included in to fourth group.  The fifth group was Yogyakarta.  Dendrogram from morphological marker had also five groups.  First group was: Komering, Indralaya, Pontianak. Lahat, and Pagaralam.  Second group was: Palembang, Lampung, Pidi, Medan, and ATP2. Third group was: Curup. Fourth group was: Yogyakarta and Gorontalo.  Fifth group was: Aceh Besar. The difference of member from each groups between dendrogram using RAPD and morphological markers indicated that the bands resulted from RAPD did not have relation with characters observed.   Key words:  Jatropha curcas L, RAPD analysis, Morphologycal marker, cluster analysis
Pengaruh Kalium dan Varietas Jagung terhadap Eksudat Asam Organik dari Akar, Serapan N, P, dan K Tanaman dan Produksi Brangkasan Jagung (Zea mays L.) Nursyamsi, Dedi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Pot experiment was aimed to study effect of potassium (K) and variety on organic acid exudates from roots, plant N, P, and K uptakes, and plant dry weight. The experiment was conducted in the green house of Indonesian Soil Research Institute, Bogor using sand culture method. Factorial in Completely Randomized Block Design with three replications was used in this experiment. The first factor was K application, i.e. without K and application of 100 ppm K, and the second one was 10 varieties of maize, i.e. Antasena, Sukmaraga, CIMMIT 3330, Wisanggeni, Bisma, Lamuru, Pioneer-4, Pioneer-7, Pioneer-11, and Pioneer-21. The result showed that application of K significantly increased plant N and K uptakes. Among tested varieties, the N, P, and K uptake, as well as roots and dry weights of CIMMIT 3330 were the lowest, while those variables of Pioneer-7 were the highest. Among organic acid exudates, oxalic acid was the most dominant exudates exerted from roots, it was about 3.15 mg/g roots dry weight (DW) of Wisanggeni compared  to 5.93 mg/g roots DW of CIMMIT 3330. Plant age significantly affected the exudates which was in the order of 4 weeks after planting  (WAP) > 2 WAP > 6 WAP. Among tested varieties (Antasena, CIMMIT 3330, Wisanggeni, Lamuru, and Pioneer-21), CIMMIT 3330 was the most potential variety to increase availability of soil K in smectitic soils, thus increasing the efficiency of K fertilizer in the soils.   Key words: Potassium, variety,  organic acid exudates, plant uptake, maize.
Permeabilitas dan Perkecambahan Benih Aren (Arenga pinnata (Wurmb.) Merr.) Widyawati, Nugraheni; Tohari, ,; Yudono, Prapto; Soemardi, Issirep
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The characteristics of seed coat delay the germination of sugar palm seeds. A research was carried out to investigate the permeability of sugar palm seeds and accelerate the germination. The research consists of four experiments with purposes: 1. to investigate the distribution of water content of sugar palm seed (RCBD Factorial between part of seed : whole seed, seed coat, endosperm and embryo under three conditions: control; soaking in water and germinate, 5 replications); 2. to investigate seed permeability (RCD, 6 soaking periods, 4 replications); 3. to investigate the content of lignin and tannin in seed (RCD, 8 seed ages, 4 replications); 4. to accelerate seed germination (RCBD, 6 treatments of scarification, 4 replication).  The results showed that the permeability of sugar palm seeds to water absorption declined with seed maturity because of the increasing in lignin and tannin content. Seed germination can be accelerated with scalding on the operculum site to increase water absorption.   Key words: Sugar palm, seeds, permeability, germination

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