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 24 Documents
Search results for , issue " Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA" : 24 Documents clear
Pendugaan Daya Gabung dan Heritabilitas Komponen Hasil Tomat pada Persilangan Dialel Penuh Saputra, Helfi Eka; Syukur, Muhamad; Aisyah, Syarifah Iis
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACT Hybridization is one of plant breeding techniques to obtain high yielding varieties. Combining ability and heritability information are needed for evaluating hybrids’ performance. The objective of this research was to estimate the combining ability and heritability of tomato yield component traits in a full dialel crosses at lowland. The experiment was conducted  at Leuwikopo Experimental Station IPB, Darmaga, Bogor from March until August 2013. The random model of Griffing method I was used to estimate general combining ability, specific combining ability and heritability. The experiment used a randomized complete block design (RCBD) with three replications. IPBT1, IPBT13 and IPBT84 had a good general combining ability (GCA) for weight per fruit, fruit size and weight of fruit per plant. IPBT30 and IPBT33 had a good general combining ability (GCA) for number of fruits per plant. IPBT13 × IPBT1 hybrid showed a high and positive specific combining ability (SCA) values for all characters, therefore it can be used for hybrid variety. The highest broad and narrow sense heritability was obtained for fruit size, meanwhile the lowest was obtained for weight of fruit per plant. Weight per fruit, fruit size and weight of fruit per plant characters were influenced by additive and dominant gene effects, whereas number of fruit  per plant was influenced by additive gene effects.      Keywords: additive, dominant, GCA, SCA, heritability
Shoot Production and Metabolite Content of Waterleaf with Organic Fertilizer Ismail Saleh, Ismail Saleh; Aziz, Sandra Arifin; Andarwulan, Nuri
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACTWaterleaf shoot (Talinum triangulare (Jacq.) Willd) is consumed as vegetable that contains some metabolites. The purpose of this research was to investigate the effect of organic fertilizer on shoot production and its metabolites i.e. protein, vitamin C, flavonoid, and peroxidase enzyme (POD) activity at 10, 12, and 14 weeks after planting. This experiment was conducted at Leuwikopo Experimental Station, Bogor, Indonesia from November 2012-February 2013. The organic fertilizers applied were cow manure (CM) (12.3 ton ha-1), rock phosphate (RP) (1.5 ton ha-1), and rice-hull ash (RH) (5.5 ton ha-1). These organic fertilizers were combined into four treatments by using minus one test method and one control. Each treatment was repeated three times. The result showed that combination of organic fertilizer had the same effects on shoot production and metabolite content of waterleaf. It showed that the amount of organic fertilizers was not significantly sufficient to contribute nutrients to the plant. Keywords: flavonoid, POD activity, repeated harvesting, Talinum triangulare, vitamin C
Introgresi Gen CsNitr1-L dari Transgenik Nipponbare ke Ciherang dan Analisis Pewarisannya pada Generasi BC3F4 ,, Nazarudin; ,, Suharsono; ,, Sustiprijatno
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACTCsNitr1-L gene is a gene encoding nitrites transporter and is included in the group of proton oligopeptide transporter (POT) gene family. The absorption of nitrites by plants expressing this transporter becomes efficient. The gene encoding this protein (CsNitr1-L) under the control of 35S CaMV Promoter had been introduced into rice plants (Oryza sativa L.) subspecies japonica cv. Nipponbare to transfer this gene. The japonica transgenic rice had been crossed with Ciherang variety followed by back-cross and self polination until BC3F4 generation. The aim of this study was to analyse introgression of CsNitr1-L gene in the transgenic rice BC3F4 generation. The transgenic rice plants in BC3F4 generation were selected based on the resistance to hygromicin. More than 90% population of BC3F4 are putative introgression rice lines carriying the transgene. The introgression of the transgene were indirectly confirmed by PCR analaysis using primer corresponding to hpt gene. The yield of introgression line was higher than these of original Ciherang cultivar. Four introgression lines (G3, G7, G8 and G11) that had higher yield were analysed by PCR. Result of the  analysis showed that these four transgenic plants carried the introgression.Keywords: proton oligopeptide transporter, nitrites transporter, efficient nitrogen, transgenic rice
Hubungan Metilasi DNA dengan Ekspresi Gen MADS-box pada Buah Mantel Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) Anischan, Maharani; ,, Suharsono; Mathius, Nurita Toruan-; Kusnandar, Andree Sunanjaya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACT The presence of mantled fruit on large-scale clonal production of oil palm had trully decreased the oil productivity. Mantled phenotype is likely to be that of an epigenetic change involving DNA methylation and the MADS-box transcription factor gene which encoded floral organ homeotic transformation. The objectives of this research were to quantify the degree of methylation which determined fruit abnormality through Ultra Performance Liquid Chromatography (UPLC) and to study its correlation with the MADS-box EgAGL6, EgAG2, and EgAGA genes expressed on mantled fruit derived from oil palm clonal plants which have been quantified using Quantitative Real-Time PCR (qPCR). This research was arranged in two replications for each gene and cDNA. The expression of the target genes were compared to EF1-α1 as the reference gene. Through the Least Significant Difference (LSD) Test at 95% confidence level of qPCR result, EgAGL6 expression was significantly lower in mantled fruit which decreased from 1.88 fold in Abn m to 0.46 fold in Abn. EgAG2 expression was increased non-significantly from 0.91 fold in Abn m to 1.13 fold in Abn, while EgAGA expression was higher in mantled which increased significantly from 1.48 fold in Abn m to 1.71 fold  in Abn. Nuclease S1 digestion and UPLC revealed the genome-wide increase in DNA methylation on mantled fruit (18.33-19.55%) compared to its normal counterparts (5.67%). This increased in global DNA methylation was showed by the significant decreased in EgAGL6 transcript level of mantled fruit. This gene assumed to be involved in the development of mantled fruit. Keywords: DNA-methylation, MADS-box genes, Mantled fruit, Quantitative Real-Time PCR
Ketahanan 25 Genotipe Tomat (Solanum lycopersicum Mill.) terhadap Pecah Buah dan Korelasinya dengan Karakter-karakter Lain Wahyuni, Sri; Yunianti, Rahmi; Syukur, Muhamad; Witono, Joko Ridho; Aisyah, Syarifah Iis
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACTFruit cracking is one of the major constraints in tomato production in lowland areas. This reduces fruit quality and quantity both as freshmarket and processed fruits. The objective of this study was to determine the resistance of 25 tomato genotypes to fruit cracking, correlation to others characters and their genetic similarity. The experiment was conducted from April until August 2012 at Leuwikopo Field Station, Bogor Agricultural University. A randomized complete block design was used with three replications. Fruit crack index was used to evaluate tomato fruit crack resistance. Correlation and impacts of variables were analyzed by path analysis. The genetic similarity was analyzed by clustering analysis. Result of resistance evaluation showed that fruit crack index of 25 tomato genotypes ranged from 0.00 to 20.58. Fruit crack index was directly related to percentage of  fruit crack weight per plant, percentage of number of fruit crack per plant and total soluble solids. Cluster analysis showed that the genotypes could be clustered into four groups.Keywords: clustering analysis, genetic diversity, path analysis
Perlakuan Invigorasi untuk Meningkatkan Mutu Fisiologis dan Kesehatan Benih Padi Hibrida Intani-2 Selama Penyimpanan ,, Purnawati; Ilyas, Satriyas; ,, Sudarsono
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACT Storage condition and pathogen infection of seed can cause seed deteriorates faster. The rate of deterioration during storage could be slowed by seed invigoration, and pathogen infection could be elimited by application of natural pesticide. The objective of this research was to determine the effect of seed invigoration on seed physiological quality and health of Intani-2 hybrid rice seed during storage. All research activities were done at Laboratory of Quality Control and Plant Protection, PT. BISI International, Kediri, East Java. Split plot design was used in this experiment with 4 replications. Three seed lots of Intani-2 rice seed were used as main plot and 5 invigoration treatments were used as sub plot. Seed lot 1, 2 and 3 were harvested on 30 June 2012, 29 September 2012, and 2 November 2012, respectively. Invigoration treatments consisted of untreated, priming with ascorbic acid 40 ppm, osmoconditioning with KNO3 2%, osmoconditioning with PEG -0.2 MPa, and hydropriming. All invigoration treatments were added with clove oil 0.3%. Osmoconditioning with KNO3 2% + clove oil 0.3% was effective to maintain vigour index of seed lots 2 and 3 for up to 3 months storage. All seed invigoration treatments increased speed of germination before storage. Priming with ascorbic acid 40 ppm + clove oil 0.3% and osmoconditioning with PEG -0.2 MPa + clove oil 0.3% were effective to reduce the growth of Xanthomonas sp. on rice seeds monitored at 0, 2, and 3 months after storage.Keywords: ascorbic acid, clove oil, KNO3, osmoconditioning, PEG
Hasil Biji dan Kadar Minyak Jarak Kepyar Lokal Beaq Amor (Ricinus communis L.) pada Berbagai Umur Pemangkasan Batang Utama Santoso, Bambang Budi; Sudika, I Wayan; Jaya, I Komang Damar; Aryana, I Gusti Putu Muliarta
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACTSuccessful castor (Ricinus communis L.) cropping depends on the reliability of production technique. Branching is a useful agronomic trait because infloresence developed at each branch’s terminal. Pruning is considered as an important technique for branching stimulation. This study attempted to elucidate the effect of main stem pruning on the yield of Beaq Amor local variety of castor (Ricinus communis L.) with short cultivation system. The experiment was conducted on dry land area of Amor-Amor, North Lombok, West Nusa Tenggara during February-July 2011 and was arranged in a single-factor randomized complete block design with three replications. The treatments were four types of pruning (i.e. no pruning, main stem pruning at 30 days after planting, 45 days after planting, and 60 days after planting). The results showed that the effect of pruning was significant on dry seed yield and was not significant on kernel oil content. Pruning at 30 days old and 45 days old plant yielded in the highest dry seed weight (374.9-387.8 g tree-1 or 943.0-974.3 kg ha-1) with oil content of 62.2%.Keywords: branching, canopy, dry seed, Ricinus communis L.
Karakter Morfofisiologi dan Fisikokimia Beras dengan Berbagai Dosis Pemupukan Organik dan Hayati pada Budidaya Padi Organik Tustiyani, Isna; ,, Sugiyanta; Melati, Maya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACTThe awareness of the negative impacts of conventional agriculture has been encouraging people to switch from conventional farming to the organic farming, using organic and biological fertilizers. This farming system changes will influence the character of the plant and the yield. The objective of the research was to investigate the morphophysiology and physicochemical characters of rice with various rates of organic and biological  fertilizer. The experiment was conducted at rice field in Karawang and Bogor, West Java, from May to September 2012. The experiment used a single factor randomized block design consisted of three replications with 12 treatments. The first 6 treatments were 0, 2, 4, 6, 8, 10 ton organic fertilizer ha-1, and the other 6 treatments were 0, 2, 4, 6, 8, 10 ton organic fertilizer ha-1 combined with 2 l biological fertilizer ha-1. As control treatment was application of anorganic fertilizer with the rate of 400 kg NPK (30-6-8) ha-1. Plot size was 15 m x 10 m, with a double row spacing (legowo 2:1) (25 cm x 15 cm x 50). The results showed that organic fertilizer either without or with biological fertilizers increased the weight of 1,000 grains and decreased amylose content of rice. The score of leaf color in plants with inorganic fertilizer was higher than those with organic fertilizer.Keywords: amylose, gelatinization temperature, leaf color, water uptake ratio, 1,000 grain weight
Pemanfaatan Limbah Kulit Biji Mete sebagai Pupuk Organik untuk Meningkatkan Pertumbuhan Bibit Tanaman Mete Sakinah, Nur; Djoefrie, Mochamad Hasjim Bintoro; ,, Hariyadi; Manohara, Dyah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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ABSTRACTCashew nut shells have not been fully utilized untill recently, and most of them are still in a form of wastes.  Cashew nut shell wastes are organic matter containing macro elements that are useful for plants, such as N (0.84%), P (0.21%), K (0.70%), Ca (0.13%) and Mg (0.24%) that are useful for plants. Cashew nut shell wastes would be very potential if they were composted into organic fertilizers. The aim of this research was to analyze the effect of cashew nut shell compost formula application on growth and nutrient uptake of cashew seedlings. The research was conducted at IPB Teaching Farm Dramaga Bogor from November 2012 to May 2013. The experiment was arranged in randomized complete block design with 5 treatments and 3 replications. The results showed, that cashew nut shell compost formula application at 50 g polybag-1 and 100 g  polybag-1 were significantly increased plant height, leaf number, stem diameter, roots length, fresh weight, dry weight of seedling, and N, P, K uptake at 3 months after planting (MAP) compared to no compost (top soil). The treatment of cashew nut shell compost formula at 50 g polybag-1 showed not significantly compared with goat manure at 100 g polybag-1 on the  plant height, stem diameter, leaf number, roots length and N, P, K uptake at 3 MAP. Both  of the  treatment can improve the balance of nutrients in the soil thus enhancing the growth and vigor of cashew seedling. The treatment of cashew nut shell compost formula (50 g polybag-1) could replace the treatment of goat manure (100 g polibag-1) tended to increase cashew seedling growth.Keywords: A. occidentale L., bioactivator, cashew seedling, KBM compost
Optimasi Dosis Pupuk Nitrogen dan Fosfor pada Bibit Kelapa Sawit (Elaeis guineensis Jacq. ) di Pembibitan Utama ,, Sudradjat; Darwis, Anita; Wachjar, Ade
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 42, No 3 (2014): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

ABSTRACTThe total area of oil palm plantation has grown rapidly in Indonesia since the last three decades. Oil palm  extensification and replanting need high quality seedlings. Accurate rate of nitrogen and phosphor fertilizer are key factors to obtain high quality seedlings. The objective of this experiment was to determine the optimum rate of  nitrogen and phosphorus  fertilizers  for oil palm seedling (Elaeis guineensis Jacq.) in main nursery and to obtain seedlings ready for field planting. This experiment was carried out at IPB Experimental Station, Cikabayan Dramaga, Bogor, from November 2011 to May 2012. The experiment was arranged in a factorial randomized block design with three replications. The first factor was N i.e. 0, 8.51, 17.02, and 34.04 g N plant-1 and the second was P i.e. 0, 2.28, 4.56, and 9.12 g P plant-1. The result of the experiment showed that vegetative growth increased with fertilizer application. The height of plant were affected by interaction between N and P significantly. The total leave number and stem diameter increased quadratically with fertilizer rate of N and were linearly increased with application of P. Application of N fertilizer influenced the chlorophyl content only  at 5 months after planting, and did not significantly affect the stomatal density. The result of leaf analysis showed that nitrogen and phosphor content respectively were 3.43% and 0.28%, where  both of them were  above the critical level. The optimum rate of  N for oil palm seedling during six months at the main nursery was 20.06 g plant-1, whereas P was 4.24 g plant-1.Keywords: fertilizer recommendation, physiological respons, vegetative growth

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