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Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

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Published by Institut Pertanian Bogor

ISSN : 20852916 EISSN : 23373652 DOI : -

Core Subject : Economy, Agriculture,

Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

Aims and Scope Aims Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia), the official journal of the Indonesian Society for Agronomy, publishes primary research paper, review article, policy analysis and research notes and preliminary results in all areas of agronomy. Manuscripts could be written either in English or in Indonesia. Scope Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia) covers agronomy in broad sense including plant production, genetic and plant breeding, plant physiology, plant ecology, plant biotechnology, modeling, seed science and technology and weeds science on food, horticulture, plantation, and forage crops.

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman

Articles 971 Documents

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SCAR (Sequence Characterized Amplified Region) Analysis for Pi-b and Pi-ta genes on 28 Genotypes of Rice Sobir, ,; Santoso, ,; Aswidinnoor, Hajrial; Amir, Mukelar
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 1 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Evaluation to blast disease (Pyricularia grisea) resistance was carried out by using two SCAR (Sequence Characterized Amplified Region) markers of Pi-b and Pi-ta blast resistance genes, and spray-inoculation method with 10 races of P. grisea on 28 paddy genotypes, that consisted six wild genotypes of rice. The results revealed that among 28 paddy genotypes, fifteen genotypes carrying both genes including Oryza rufipogon; six genotypes carrying Pi-b genes including O. alta, two genotypes carrying Pi-ta gene, and five genotypes did not possess both gene including O. glumaepatula, O. officinalis, O. latifolia, and O. malapuzhaensis. Based on infection intensity, the evaluated genotypes were vary in responses to different ten races of P. grisea, indicated that the evaluated genotypes were vary in carrying Pi genes. Analysis in detail indicated that existence of Pi-ta gene associated with lower infection intensity caused by P. grisea race 063 C. Keywords: SCAR markers, rice blast resistance, Pyricularia grisea

Defisit Evapotranspirasi sebagai Indikator Kekurangan Air pada Padi Gogo (Oryza sativa L.) Sulistyono, Eko; Suwarto, ,; Ramdiani, Yulianti
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 1 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The research was conducted to study the correlation between deficit of evapotranspiration and yield decreasing. Factorial experiment was arranged in Randomized Block Design. First factor was irrigation frequency of 1, 2, 4 and 6 days. Second factor were nine upland rice lines. Evapotranspiration was measured with simple lysimeter based on water balance. There was positive correlation between deficit of evapotranspiration and yield decreasing. Defisit of evapotranspiration as much as 240.06 mm caused yield decreasing of 90% and dry matter weight decreasing of 72.5%. The relation between total evapotranspiration (E, mm) and dry matter weight (DM, g/plant) was DM = 0.0245 E + 13.85. Water use efficiency or yield and evapotranspiration ratio correlated with leaf width and sum of seed each panicle positively . Increasing leaf width and sum of seed each panicle could increase water use efficiency. Key Words : evapotranspiration, water use efficiency, upland rice, lysimeter.

Studi Komersialisasi Benih Padi Sawah Varietas Unggul Hadi, Setia; Budiarti, Tati; Haryadi, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 1 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Rice is the most important food in Indonesia and the rice demand has gradually increased during some decades. There are several efforts to increase national rice production in order to minimize rice import, such as using seed of improved variety, fertilizer, protection from pest and diseases, improving water management and post harvest handling. Cultivation of improved variety is the most efficient way to increase rice production in Indonesia. There are several improving characteristics on new released variety such as : early mature, high productivity, resistant to pests and diseases, resistant to lodging, and high quality of rice. During 1960 - 2000, more than 90 improved varieties were released by Ministry of Agriculture, but only several varieties (about 10%) were accepted by the farmer and cultivated in a large-scale area during a long periode. IR 64 is the most popular variety in many provinces more than 12 years, so that the variety has the highest commercial level and efficency index among Cisadane, PB 42, PB 46 and the old improved variety. Key words: Rice, Commercialization, Efficiency index

Analysis of Quantitative Trait Loci for Protein Content in Soybean Seeds using Recombinant Inbred Lines Tajuddin, Teuku
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 1 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Protein content in the seed is quantitatively inherited and controlled by polygene. The quality of seed protein content has been studied extensively, however, information on its quantity is still limited. In order to analyze the genetic basis of these traits, recombinant inbred lines (RILs) derived from a cross between Glycine max (L.) Merrill variety Misuzudaizu and variety Moshidou Gong 503 were planted in two environments and evaluated for seed protein content. The broad sense heritability of the traits ranged from 0.74 to 0.79 in our RIL population. Single-factor analysis of variance, interval mapping and composite interval mapping were used to detect significant associations between traits and genetic markers. A total of 10 QTLs, which were significant in at least one environment were identified. Each QTL explained the total phenotypic variation for protein content in the range from 3.4% to 29.7%. Among all the detected QTLs, three of them were detected in both environments. QTLs identified in this study were mapped in the soybean linkage map. The results obtained in our study may serve as a base for analyzing the genetic control of protein content and may eventually enable to change the seed constituents. Key words: Glycine max (L.) Merrill, quantitative trait loci, protein, recombinant inbred lines.

Sulfur Source, Rate, and Methods of Application for Polyethylene-mulched Tomato Susila, Anas D.; Locascio, Salvadore J.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 1 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Tomato (Lycopersicon esculentum L.) was grown with polyethylene mulch and drip irrigation on a Millhopper fine sandy soil testing very high in P and low in organic matter during two seasons to evaluate the effect of S source, rate, and application methods on plant growth and yield of fruit. Sulfur rate of 34 and 68 kg S.ha-1 were applied with preplant (broadcast in the bed), drip (10 weekly drip application), and by split applications (50% preplant and 50% drip). In split applications, S sources evaluated were ammonium sulfate and ammonium thiosulfate. Plant height was increased with S application from 0 to 68 kg S.ha-1 in both studies. However, response on plant dry weight only occurred in spring 1999. Total marketable yield was 17.9 tons.ha-1 with 0 kg S.ha-1 and was increased linearly to 48.1 tons.ha-1 with application of 68 kg S.ha-1 in Spring 1999, but no response to S was obtained in the Spring 1998 study. Measured variables were not affected by S source and methods of application. Increasing S application from 0 to 68 kg S.ha-1 reduced leaf and plant tissue P concentration 14 and 12% at mid season, 26 and 25% at late season sampling times, respectively. S application of 68 kg S.ha-1 reduced soil pH approximately 0.3 unit at the end of the season in both studies. Key words: drip irrigation, sulfur, fertigation, Lycopersicon esculentum

Perbenihan Sayuran di Indonesia: Kondisi Terkini dan Prospek Bisnis Benih Sayuran Anwar, Aswaldi; Sudarsono, ,; Ilyas, Satriyas
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 1 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Indonesian Vegetable Seeds: Current Condition and Prospects in Business of Vegetable Seeds

Kompetisi Tanaman Jagung dan Ubikayu dalam Sistem Tumpang Sari Suwarto, ,; Yahya, Sudirman; Handoko, ,; Chozin, Muhammad Ahmad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Intercropping system of maize and cassava has been practiced widely by Indonesian farmer on dry land. Competition between the plant will happen in the system. Field experiment to understand about the competition has been conducted. Field experiment of growing maize (Arjuna, Pioneer 4, and Cargill 9 in various planting densities) and cassava (Adira 1) was conducted for monoculture and intercropped plants. Intercropped cassava increased intraspesific competition of maize. Yield of maize variety of Arjuna, Pioner 4, and Cargill 9 decreased by about 9.7%, 6.7%, and 16.9% respectively. Maize also reduced growth and yield of cassava. When intercropped with Arjuna, pioner 4, and Cargill 9 at the highest density (80 000 plants ha-1), yield of cassava tuber decreased by about 40.6%, 43% and 64.3%, respectively. However, the intercropping still gave a better land productivity, where land equivalent ratio (LER) was larger than 1.0. Key words: intercropping, competition, maize, cassava

Pengaruh Pupuk Kandang Ayam dan Pupuk Hijau Calopogonium mucunoides Terhadap Pertumbuhan dan Produksi Kedelai Panen Muda yang Dibudidayakan Secara Organik Melati, Maya; Andriyani, Wisdiyastuti
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of the study was to investigate the effect of chicken manure and green manure Calopogonium mucunoides on the growth and production of vegetable soybean under organic farming system. The study was conducted at IPB research station, Leuwikopo, Darmaga, Bogor from June 2004 to March 2005. The experiment used split plot design with chicken manure dosages (0 and 10 ton/ha) as main plots and seed of green manure dosages (0, 7.5, 15, and 30 ton/ha) as sub plots. Chicken manure significantly resulted in better agronomic characters compared to that of without chicken manure. Green manure significantly increased plant height on 4 to 7 weeks after planting (WAP), number of leaves on 6 WAP. Interaction between chicken manure and green manure significantly influenced fresh weight of root nodule and 100 seeds. Fresh weight of 100 seeds was the highest with the application of either 10 ton chicken manure/ha or 15 kg seed of green manure/ha. Except plant height and number of leaves, generally growth and production of soybean under organic farming system were better than those under conventional farming Key words: Vegetable soybean, organic farming, chicken manure, green manure, Calopogonium mucunoides

Studies on Dormancy Periods and Growth Rhythm of Shoot and Root of Mangosteen (Garcinia mangostana L.) Hidayat, Ramdan; Surkati, Achmad; Poerwanto, Roedhy; Darusman, Latifah K.; Purwoko, Bambang S.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Mangosteen has a good prospectus for international market. Many people in the world like this fruit because it is delicious, has high nutrient contents, and it can be consumed as a fresh fruit. The growth of mangosteen is very slow with a very long juvenile period because of its long dormancy period. The objective of this research was to study the dormancy periods and growth rhytm of shoot and root of young and adult mangosteen seedlings. The research used completely randomized design and consisted of two experiments. The first experiment was to study the dormancy and flushing periods. The second experiment was to study the growth patterns of shoot and root foom several ages of mangosteen seedlings. This research was conducted at Mekarsari Fruit Park, Cileungsi, Bogor. The result of the experiment showed that two years old of mangosteen seedling had 5 flushes per year, four years old of mangosteen had 3-4 flushes per year, and eight years old of mangosteen only had 2 flushes. Dormancy periods were significantly different between 2,4 and 8 year of mangosteen seedling. After the seedlings have branches, the dormancy periods become twice as many as that before branching. The roots grew rapidly two weeks before flush and slower after flush occurred. Key words: Garcinia mangostana, dormancy, flush, seedling

Pengaruh Sarcotesta dan Pengeringan Benih serta Perlakuan Pendahuluan terhadap Viabilitas dan Dormansi Benih Pepaya (Carica papaya L.) Sari, Maryati; Murniati, Endang; Suhartanto, M. Rahmad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Improved seed longevity by seed drying and application of phenolic compound as natural antioxidant is the topic of this research. In many cases the sensitivity of papaya seed to drying is being the limit factor because of desiccation injury or induced dormancy. There is phenolic compound on the sarcotesta surrounding papaya seed which may act either as antioxidant or as germination inhibitor. The effect of sarcotesta and seed drying on viabillity and dormancy was studied. The experiment was conducted in July - October 2004, located at Bogor Agricultural University, used papaya seed (IPB-1) which harvested from Pusat Kajian Buah Tropika (PKBT) farm in Bogor. In the last study, seed was dried in the absence and presence of sarcotesta until 11-12% and 6-7% moisture content (mc). After drying, seed viability was measured by tetrazolium test. The hardness of seed was also measured using penetrometer. Seed germination was tested by (1) soaking on 10% KNO3, (2) scarification on water using electrical stirrer, (3) soaking on 10% KNO3 with scarification using electrical stirrer, (4) scarification on the hot water (50oC) followed by soaking on 10% KNO3. In the absence of sarcotesta, the viability of 6-7% mc seed was as high as 11-12% mc seed. There was neither viability reduction nor induced dormancy. Whereas in the presence of sarcotesta, there was also no viability reduction but the dormancy was induced. The dormancy of seed with 11-12% mc was longer than seed with 6-7% mc. Scanning electron microscopy images showed that sarcotesta was removed by cleaning treatment before drying. On the contrary, sarcotesta was not completely removed from the seed and became more impermeable when cleaning was done after drying.This research can not suggest the most effective pre-treatment to break the dormancy. The mechanism of the dormancy is discused. Key words: Carica papaya L., seed drying, sarcotesta, seed viability, seed dormancy

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Fatardho Zudri

Contact Email fatardho@gmail.com

Phone -

Journal Mail Official jurnal.agronomi@yahoo.com

Editorial Address Jl. Meranti, Kampus IPB Dramaga, Bogor 16680

Location Kota bogor, Jawa barat INDONESIA

Abstract

Abstract

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Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Fatardho Zudri

Contact Email
fatardho@gmail.com

Phone
-

Journal Mail Official
jurnal.agronomi@yahoo.com

Editorial Address
Jl. Meranti, Kampus IPB Dramaga, Bogor 16680

Location
Kota bogor,

Jawa barat

INDONESIA