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 37, No 3 (2009): Jurnal Agronomi Indonesia" : 12 Documents clear
Pendugaan Parameter Genetik dan Seleksi Galur Mutan Sorgum (Sorghum bicolor (L.) Moench) di Tanah Masam (Estimation of Genetic Parameters and Selection of Sorghum Mutant Lines under Acid Soil Stress Conditions) Sungkono, Sungkono; Trikoesoemaningtyas, Trikoesoemaningtyas; Wirnas, Desta; Sopandie, Didy; Human, Soeranto; Yudiarto, Muhammad Arif
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

  Sorghum is one of high value commodities for food and energy security due to its wide adaptation. The objectives of this research were to study some genetic parameters of sorghum agronomic traits grown under acid soil conditions and to select aluminum-tolerant sorghum mutant lines.  The selection was conducted in an augmented design with 61 lines at the field research station of B2TP-BPPT Lampung. Genetic materials used were mutant lines developed throught gamma irradiation.  The results showed that there was significant differences among the mutant lines for  some agronomic characters observed.  The heritability estimates for agronomic characters were classified as intermediate to high.  Selection based on seed weight and biomass production resulted three best sorghum mutan lines i.e ZH30-29-07, ZH30-30-07, and ZH30-35-07.  These lines showed the best yield and biomass production under acid soil condition.   Key words:  sorghum, acid soil, heritability, selection
Embriogenesis Somatik dari Eksplan Daun Anggrek Phalaenopsis sp L. (Somatic Embryogenesis from Leaf Eksplant of Phalaenopsis Orchids) Rianawati, Sri; Purwito, Agus; Kurniati, Ridho; Marwoto, Budi; Suryanah, Suryanah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Somatic embryogenesis has been recoqnized as one of the process on plant micropropagation  techniques. This process occured through regeneration by direct embryo formation and through an intermediary callus phase. This research was conducted through an intermediary callus phase. The experiment was initiated with callus induction from leaf explant on five modifications of MS medium i.e :1/2MS without plant hormone  (MI-0); ½ MS containing 1mg/L BA + 0.5 mg/L 2.4-D + 1mg/L NAA  (MI-1);1/3 MS containing 2 mg/L  2.4-D (MI-2); ½ MS supplemented with 0.5 mg/L 2.4-D + 0.5 mg/L BAP +0.2 mg/L thidiazuron (MI-3); ½ MS supplemented 2 mg/L thidiazuron and 1 mg/L BAP (MI-4). After the tissues were swollen, the  explants  were  placed on callus proliferation medium  ½ MS supplemented with 0.2 mg/L thidiazuron and 0.5 mg/L 2.4-D (MP). After two months, calli were  regenerated in regeneration medium ½ MS supplemented with 0.4  mg/L BAP and 0.2 mg/L  2.4-D (MR). The results of this research  showed that  MI-1 and MI-3 were the best swelling explant mediums   before the callus  produced in both MP and MR medium. Callus produced was increased in every subculture. However, the level of callii production decreased on the following subculture. Plantlets were regenerated from somatic embryos derived from  callii on MR medium. The results of this study may contribute to our advancement of scientific knowledge achievements tissue culture techniques to support inconventional plant improvement.   Key words:  embryo somatic induction, in vitro, embryogenic callii  
Kompetisi antara Ekotipe Echinochloa crus-galli pada Beberapa Tingkat Populasi dengan Padi Sawah (Competition of Echinochloa crus-galli Ecotypes at Several Populations Against Lowland Rice) Guntoro, Dwi; Chozin, Muhamad Achmad; Santosa, Edi; Tjitrosemito, Soekisman; Burhan, Abdul Harris
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Echinochloa crus-galli is a major weed in paddy field that reduces rice yield.  The objective of the research was to study the effect of E. crus-galli ecotypes and populations on rice growth and production.  The research was conducted in a green house using split plot design with three replications.  The main plot consisted of three E. crus-galli ecotypes i.e ecotype from Karawang, Cikampek, and Sukabumi. E. crus-galli population as sub plot consisted of 0, 1, 2, 3, and 4 E. crus-galli per pot.  The results showed that ecotype of E. crus-galli affected plant height, number of tiller, and panicle density. The competitivenes against rice of E. crus-galli ecotype Cikampek was higher than that of ecotype Sukabumi and Karawang. Population E. crus-galli affected rice growth and production.  Population of E. crus-galli 4/pot decreased spikelets weight about 48.0% and filled spikelets weight about 46.2%.  Interaction of ecotype and population of E. crus-galli did not affect rice growth and production.   Key words:  competition, ecotype, E. crus-galli, population, weed.
Grain Quality Improvement in Japonica Rice : Achievements and Prospects Kim, Kwang-Ho
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Several high grain quality rice varieties have been developed during the 2000´s. These varieties showed translucent, zero white-core, glossy and uniform milled-grain appearance, high palatability score of cooked rice and high percentage of whole grain after milling. The high eating quality variety group was lower in protein content, softer in gel consistency, and higher in breakdown and lower in consistency and setback viscosity measured by rapid visco-amylogram. In order to produce the low protein rice grain, the nitrogen fertilizer level has to be reduced to 90-110 kg per hectare with no nitrogen top dressing after heading. Rotational irrigation during rice growing season and delayed drainage after heading was found as effective in raising the whole grain yield and eating quality of cooked rice. Slow drying to 15-16% of grain moisture is recommended with air flow temperature below 50oC. Three hundred and ninety four native rice core collections were tested for their grain appearance, eating quality determining factors, and nutritional compounds. Health- enhancing potential and second metabolite contents were also evaluated. The native collections selected for high grain quality resources were used as cross parents and two new rice varieties having dark red pericarp color were developed from the crosses using Korean native varieties. The new variety had higher phenolic compounds in brown rice and the brown rice extract of this variety induced apoptotic cell deaths in H4II cells to a larger extent than the control rice extracts.    Key words: rice, grain quality, variety improvement, native variety, red pericarp
Konstribusi Akumulasi Silikat, Nitrogen dan Aluminium terhadap Ketenggangan Aluminium dan Ketahanan terhadap Penyakit Blas pada Padi Gogo Bakhtiar, ,; Purwoko, Bambang Sapta; Trikoesoemaningtyas, ,; Dewi, Iswari Saraswati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Aluminum (Al) toxicity and blast disease are the most important yield-limiting factors for upland rice production in acid soils. The objective of this experiment was to examine the contribution of accumulation of Silicate (Si), Nitrogen (N) and Al in plant tissue on Al tolerance and blast disease resistance in upland rice. The experiment was arranged in a split-split plot design with 2 replications. Main plots were randomly assigned to blast treatment (control and inoculation to blast fungi). Subplots were assigned to control box (lime 1.5 AlEC) and another acid soils (no lime) box and sub-subplots were assigned to the tested genotypes. The result of the experiment showed that leaf blast disease resistance in rice cannot be solely explained by Si or N content in shoot tissue. The resistant to leaf blast disease might be attributed by high ratio Si/N weight in shoot. Al tolerance was ascribed by low reduction in root growth, high shoot dry weight, high Si content in shoot, and as well as high of  Si/Al ratio in root.   Key words:  Al-tolerance, blast disease, upland rice, Si/Al ratio
Karakterisasi dan Analisis Gerombol Plasma Nutfah Jarak Pagar Indonesia dan Beberapa Negara Lain Menggunakan Marka Morfologi dan Molekuler Surahman, Memen; Santosa, Edi; Nisya, Fifin Nashirotun
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

  Characterization is important in breeding program and developing superior varieties of jatropha.  Jatropha characterization can be analyzed based on its morphological and agronomical characteristics.  In this study, a molecular marker, Random Amplified Polymorphic DNA (RAPD), was applied for cluster analysis.  This study was aimed at analyzing character and similarity of 30 jatropha germplasms of SBRC-IPB collection. Results showed that 30 jatropha accessions have high character variability.  Dendogram of RAPD marker showed that at 33% similarity level, the 30 jatropha accessions could be classified into three main groups.  It was also shown that Papua and China accessions had similarity levels higher than 80%.  Based on production characteristic identification, the potential accessions to be developed further included Palembang, Pontianak, Pidi, Palembang I, Pagar Alam, Medan, Curup, Lampung I, Lampung II, Komering, and Indralaya.   Key words:  Jatropha curcas L., characterization, cluster analysis, morphological marker, RAPD marker  
Production of Soybean Varieties under Saturated Soil Culture on Tidal Swamps Ghulamahdi, Munif; Melati, Maya; Sagala, Danner
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Saturated soil culture (SSC) is a cultivation technology that gives continuous irrigation and maintains water depth constantly and makes soil layer in saturated condition. By keeping the water-table constantly, soybean will be avoided from negative effect of inundation on soybean growth because soybean will acclimatize and improve its growth. The objective of the research was to study the response of soybean varieties under saturated soil culture on tidal swamps. The research was conducted at Banyu Urip of  Tanjung Lago Sub District, Banyuasin District, South Sumatera Province, Indonesia from April to August 2009. The experiment was arranged in a split plot design with three replications. The main plot was water depth in the furrow consisted of without watering, 10, 20, 30, 40 cm under soil surface (uss). The subplot was soybean variety consisted of Tanggamus, Slamet, Willis, and Anjasmoro. The result showed that the interaction between varieties and water depth significantly affected growth and seed production, except pod numbers/plant. The values of all variables were higher under SSC compared to those cultivated without watering (control), but varieties responded to SSC differently. The highest seed production was obtained from Tanggamus with 40 cm uss, i.e. 4.83 ton/ha but it was not significantly different from those at water depth 20 (4.63 ton/ha) and 30 cm uss (4.71 ton/ha). However, technically and economically, 20 cm uss was the most appropriate water depth for soybean production on tidal swamps.   Key words: Glycine max L. (Merr.), water management, water table
Progress of Rice Improvement through Recurrent Selection Abdullah, Buang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Improved rice varieties play an important role in increasing rice production, through raising and/or stabilizing rice productivity.  Thus, it is urgent to develop improved rice varieties.  Selection method is an important step in rice improvement.  Implementation of recurrent selection in rice improvement was aimed to increase the efficiency and insurance in the success of improvement.  Since 2004, Indonesian Institute for Rice Research has applied recurrent selection in breeding program. Promising lines of earliness and high yield potential were developed in relatively short time.  A number of advanced lines has been produced and will be further evaluated, and a number of populations has been selected and used as base populations for recurrent selection in rice improvement program.   Key words:  breeding, earliness, high yield rice, improvement
Ketahanan terhadap Antraknosa yang Disebabkan oleh Colletotrichum acutatum pada Beberapa Genotipe Cabai (Capsicum annuum L.) dan Korelasinya dengan Kandungan Kapsaicin dan Peroksidase Syukur, Muhamad; Sujiprihati, Sriani; Koswara, Jajah; Widodo, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Anthracnose is one of the most destructive pepper diseases in Indonesia. Colletotrichum acutatum has been identified as a predominant species in pepper fields of Asian countries including Indonesia. The experiment used completely randomized block design with 2 factors and 4 replications. The first factor was 14 genotypes (c-1,2,3,4,5,7,8,9,15,18,19,28,47, and 49, and the second factor was 4 isolates of C. acutatum (PYK 04, BGR 027, MJK 01, and PSG 01). Each experimental unit used 10 green pepper fruits.  Inoculation methods followed the AVRDC procedure and resistance score followed the modified procedure of Yoon method. Symptoms were evaluated five days after inoculation. Disease incidence was evaluated using Yoon method with slight modifications. The experiments showed that C-15 genotype was more resistant to anthracnose than others; C-8 and C-49 genotypes were recorded as susceptible to anthracnose. Except the three genotypes, all other genotypes were recorded as highly susceptible to anthracnose. Capsaicin content and peroxsidase activities were not correlated with resistance to anthracnose.   Key words:  pepper, resistance, anthracnose, Colletotrichum acutatum
Efisiensi Beberapa Substrat dalam Pengujian Viabilitas Benih Berukuran Besar dan Kecil (Efficiency of Several Substrates for Seed Viability Testing of Large and Small Seeds) Suwarno, Faiza Chairani; Santana, Deni Budhi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 3 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The quality of paper substrate for seed viability testing is determined mainly by the variety and amount of the papers. A study was conducted to find  alternative paper and the optimum amount of paper for testing the viability of large and small seed with the rolled paper method. Two experiments were carried out at the Seed Science and Technology Laboratory, Bogor Agricultural University during April-September 2004 and July-December 2007. First experiment: large and small seeds represented by 5 plants (angled loofah, pumpkin, garden pea, bitter gourd, yam bean) and 7 plants (sorghum, cucumber, mungbean, soybean, horenzo, radish and wheat), respectively, were tested on 4 different paper substrates (straw, stencil, CD, and HVS) following the rolled paper method. Second experiment: large seeds of maize and ground nut, and small seeds of rice and mungbean were tested on paper substrates selected from the first experiment, straw, stencil, and CD, with different number of sheet, i.e. 2, 3, 4, and 5 sheets. Each plant seed was considered as an experiment and a randomized block design was applied to all experiments. The result indicated that for the large seeds, stencil and CD papers had equal and high similarity with the reference straw paper substrate, 100% and 80% for germination percentage and dry weight of normal seedlings, respectively. For the small seeds, only stencil paper showed high similarity for germination percentage variable, 86%, with the reference paper, whereas the other paper showed lower similarity, 57%  for both CD and HVS papers.  The second experiment showed that 2 sheets of straw, stencil or CD papers were enough for testing viability of large and small seeds to obtain germination percentage, but ground nut needs 4 sheets of straw paper. For vigor index variable, efficiency  of substrate paper on large and small seeds varied from 2 to 4 sheets. Key words:  substrate efficiency, rolled paper method, straw paper, seed size, viability testing

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