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 17 Documents
Search results for , issue " Vol 46, No 3 (2018): Jurnal Agronomi Indonesia" : 17 Documents clear
Kandungan Minyak 30 Genotipe Jagung dan Korelasinya terhadap Beberapa Karakter Agronomi Karomah, Nailatul; Suwarno, Willy Bayuardi; Azrai, dan Muhammad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (337.119 KB) | DOI: 10.24831/jai.v46i3.19013

Abstract

Industrial demand for maize oil has been increasing and therefore corn breeding efforts began to focus on developing improved maize varieties with high oil content. The objectives of this research were to determine oil content of maize genotypes and its relationship with several agronomic traits. The oil content of maize genotypes ranged from 3.77 to 5.46%. Based on the correlation analysis, oil content correlated significantly with plant height, ear height, embryo weight, kernel weight, endosperm weight, and embryo and endosperm area ratio. In addition, oil content of maize genotypes could be estimated by a regression model involving embryo and endosperm area ratio, endosperm weight, ear height, cob lenght, number of kernel rows, number of kernel per row, cob diameter, and husk coverage (R2 = 79.66%; P = 0.0001). The oil-correlated traits and regression model obtained can be considered for facilitating selection for high oil maize genotypes. In addition, the results indicate that high oil maize can be bred and selected without affecting yield.Keywords: high oil maize, simultaneous selection, stepwise regression
Pewarisan Karakter Hasil dan Komponen Hasil pada Dua Populasi Persilangan Cabai Rawit Hijau (Capsicum annuum L.) Yudilastari, Tiara; Syukur, Muhamad; Sobir, dan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (366.851 KB) | DOI: 10.24831/jai.v46i3.21534

Abstract

Genetic information plays an important role in plant selection. This research was aimed to obtain genetic information on pattern inheritance of yield and yield component characters of two crosses population of birds chili. The research used biparental mating design consisted of 40 plants of parents population (P1 and P2), 40 plants of first generation (F1) and reciprocal (F1R) populations, 100 plants of backcross populations (BCP1 and BCP2), and 300 plants of second generation population (F2). Scaling test and joint scaling test indicated the presence of gene interaction (epistasis) in two crosses population. Estimates gene effect also showed that fruit weight character in crosses population of IPB C145 x IPB C174 was controlled by duplication epistasis, while yield per plant character in crosses population of IPB C145 x IPB C291 was controlled by complementary epistasis. All characters of both crosses populations had high broad sense heritability, but the characters in crosses population of IPB C145 x IPB C174 had medium to high narrow sense heritability, while the characters in crosses population of IPB C145 x IPB C291 had low to medium narrow sense heritability. Genetic difference between parents seemed to affect gene action of a character, in which yield per plant, number of fruits per plant, fruit weight, and fruit length characters in crosses population of IPB C145 x IPB C291 with small genetic difference were more controlled by the action of non additive gene than crosses population of IPB C145 x IPB C291 with large genetic difference.Keywords: epistasis, gene action, genetic difference, heritability, yield
Morphological Variation in Arabica Coffee (Coffea arabica L.) Growing in North Sumatra Indonesia Malau, Sabam; Pandiangan, and Samse
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (485.569 KB) | DOI: 10.24831/jai.v46i3.19342

Abstract

Genetic variation is important in plant breeding. However, information on the genetic variability of Arabica coffee especially in coffee field of North Sumatra was not yet available.  Magnitude of morphological variation, genotypic variation, phenotypic variation, heritability, genetic advance, genetic correlation, and phenotypic correlation of plant vigors and yield components of 28 genotypes were evaluated using nested design.  This research showed morphological and genetic variations of the genotypes in the field. Based on the research locations as operational taxonomic unit, the genotypes were separated into three clusters. Most of the parameters had low to moderate genotypic variation, while phenotypic variation was moderate to high. Heritability and genetic advance were low, moderate, and high. Several plant vigors and yield components had a positive significant genetic and phenotypic correlation one another, and several had negative ones. Coffee berry borer infestation (CBBI) had a highly significant negative genetic correlation with leaf width (rG = -0.309**), leaf weight (rG = -0.671**), fruit diameter (rG = -0.320**), and bean length (rG = -0.175**). CBBI showed a significant positive genetic correlation with mesocarp pH (rG = 0.134*).  To reduce CBBI, selection for higher leaf weight is better. Selection on lower pH of mesocarp could be considered to decrease CBBI.Keywords: cluster analysis, genetic correlation, genetic heritability, variability
Optimasi Konsentrasi Asetosiringon dan Higromisin dalam Transformasi Genetik Padi Fatmawati dengan Perantaraan Agrobacterium tumefaciens Sisharmini, Atmitri; Purwoko, Bambang Sapta; Khumaida, Nurul; Trijatmiko, dan Kurniawan Rudi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (413.29 KB) | DOI: 10.24831/jai.v46i3.19445

Abstract

Protocols for genetic transformation of rice have been widely developed, however the protocols are not universal and inapplicable for all types of rice plants directly. Transformation protocol on rice cv. Fatmawati needs to be developed to generate transgenic lines. The present research was carried out to optimize genetic transformation protocol in rice cv. Fatmawati mediated by Agrobacterium tumefaciens harboring pCambia1301 construct using immature embryo as an explant. The experiment was arranged in a completely randomized design. Factors influencing efficiency of transformation, i.e., sensitivity of callus to hygromycin antibiotic, acetosyringone concentration used in cultivation medium, hygromycin concentration for transformant selection were optimized. The results showed that genetic transformation of rice cv. Fatmawati mediated by A. tumefaciens using immature embryos have been successfully carried out with several parameters. Addition of 100 µM acetosyringone in co-cultivation medium and 30 mg L-1 hygromycin for transformant callus selection were optimal for genetic transformation of rice cv. Fatmawati mediated by A. tumefaciens. Transformation efficiency was found to be 7.84% based on the lines carrying the hpt gene. This result would be a valuable reference in genetic transformation of rice cv. Fatmawati using target genes.Keywords: immature embryo, Oryza sativa, pCambia1301, transformation efficiency
Produksi dan Kualitas Benih Kedelai dalam Sistem Produksi Bersih Hartawan, Rudi; Nengsih, Yulistiati; Marwan, dan Edy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (531.537 KB) | DOI: 10.24831/jai.v46i3.18910

Abstract

Production of high quality seed is one of the key factors for soybean self-sufficiency. The study was aimed to produce high quality soybean seed from zero waste system. The trial was carried out at Sebapo Experimental Station, Jambi, Center for Agricultural Post Harvest Research and Development, and Center for Agricultural Land Resources Research and Development, The Ministry of Agriculture, Bogor, from January until October 2017. The experiment used a complete randomized design with a treatments combination both organic nutrient of composted soybean litter (5 tons ha-1) and inorganic nutrient (25 kg Nitrogen ha-1, 50 kg P2O5 ha-1, and 50 kg K2O ha-1). The treatments were designed as follow : K0 (control), K1 (100% organic), K2 (75% organic + 25% inorganic), K3 (50% organic + 50% inorganic), K4 (25% organic + 75% inorganic), and K5 (100% inorganic). The results showed that the treatment K3 produced the highest seed production (1.72 tons ha-1) and the highest 1,000 seed weight (147.71 g). After 3 months storage at room temperature, the seed with treatment K3 could maintain its quality with indicator 1,000 seed weight (140.98 g), 10.82% water content, 34.98% protein content, 57.42 μScm-1g-1 electrical conductivity, 80.98% germination percentage and 27.48% etmal-1 rate of germination speed.Keywords: Compost, litter, seed technology
Keragaman Genetik 19 Genotipe Cabai Rawit Merah (Capsicum frutescens) serta Ketahanannya terhadap Kutu Daun (Aphis gossypii) Riti, Estriana; Syukur, Muhamad; Maharijaya, Awang; Hidayat, dan Purnama
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (462.649 KB) | DOI: 10.24831/jai.v46i3.20836

Abstract

The information on birds eye chili (Capsicum frutescens L.) resistance to melon aphids (Aphis gossypii) is rarely reported. Objectives of this research were to evaluate genetic variability of 19 genotypes bird chili and identify the potential genotypes resistant to A. gossypii. This research consisted of two experiments. The first experiment was conducted in April-December 2015 at Leuwikopo Experimental Field, Faculty of Agriculture IPB. Genetic materials used were 19 genotypes of bird chili from Plant Breeding Laboratory IPB which were planted from seedling stage until harvesting stage. The second experiment was conducted in May 2017-May 2018 at Faculty of Agriculture, IPB Darmaga Campus. Material used were 19 genotypes of bird chili at seedling stage, and melon aphids which were collected from Leuwikopo Experimental Field IPB. Melon aphid infestation method used no-choice test. The results showed the genetic variability of bird chili had more than 0.30 coefficient of dissimilarity. Genetic variability for canopy width, anther length, fruit weight, and fruit length were classified to broad, but total fruit weight per plant was classified to narrow. There were six genotypes clasified resistant to melon aphid, i.e., C332, C343, C333, C334, C290, C346. The potential genotypes for breeding program of bird chili resistant to melon aphid were C343 and C334.Keywords: Aphis gossypii, Capsicum frutescens, cluster, resistant variety
Evaluasi Klon-Klon Tebu Potensial di Lahan Kering ,, Djumali; Heliyanto, Bambang; Khuluq, dan Ahmad Dhiaul
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (338.107 KB) | DOI: 10.24831/jai.v46i3.21082

Abstract

The candidates for new superior varieties are  expected to be able to increase the sugar yield in the upland area. Germplasm evaluation has indicated some clones had potentially high sugar yield in upland area. The study was conducted at Asembagus Experimental Station, Situbondo Regency, East Java, from December 2016 to November 2017. The study aimed to obtain sugarcane clones with higher sugar yield than existing varieties on upland area. Twelve potential sugarcane clones (17, 87, 90, 104, 212, 351, 354, 451, 452, PBG 2, 386 SOF 1118, and 400 SOF 1132) and 2 check varieties (PS 881 and Cenning) were arranged in a randomized block design with three replicates. The results showed that the sugarcane production of 104, 212, and PBG 2 clones  (97.42-98.26 ton ha-1) were not different from productivity of Cenning (105.42 ton ha-1) but they were higher than that of PS 881 (75.68 ton ha-1). The sugar content  of 104 and PBG 2 clones (9.43-9.46%) was higher than Cenning (6.94%) but lower than PS 881 (11.66%). The sugar yields (9.16-9.24 ton ha-1) of 104 and PBG 2 clones were higher than Cenning (7.47 ton ha-1) but they were not different from PS 881 (8.84 ton ha-1).
Evaluasi Toleransi Genotipe Kacang Hijau terhadap Cekaman Salinitas ,, Trustinah; Taufiq, Abdullah; Iswanto, dan Rudi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (320.843 KB) | DOI: 10.24831/jai.v46i3.16220

Abstract

Salinity has become a serious problem in the production of food crops in Indonesia, especially in coastal areas. Mungbeans is one of commodities which can be grown in coastal areas during the dry season. Research to evaluate tolerance of mungbean genotypes to salinity stress was conducted on saline soil (EC 11.4 dS m-1) at Lohgung Village, Brondong Sub District, Lamongan District during dry season May-July in 2016. A 100 of mungbean genotypes were evaluated using a randomized block design, replicated twice. The majority of the genotypes (82%) were categorized between sensitive to very sensitive to salinity stress. All of the genotypes grew normally to generative phase and produced 2-9 pods per plant with seed yield ranged 0.04-0.60 ton ha-1. The tolerant genotypes had higher plant height, stover weight, and yield than the sensitive genotypes. Six genotypes indicated as very tolerant to salinity stress (EC: 9.24 to 15.06 dS m-1) i.e., MLG 1065/Vima1-279, MMC 464c-gt-4-0-3, MMC 678-8c-gt-5, Vima 1/MLG 1065-286, MLG 1065/Vima1-276 and Vima1/Sampeong//Vima1-249. Seven genotypes indicated as tolerant to salinity stress i.e., Vima1/MLG1065-290, MLG1065/Vima1-272,  MLG1065/Vima1-274, Vima1/MLG 1065-287, Vima1/MLG 1065-276, MMC 267c-mn-1-1-11, and VIMA 1/MLG 1065-288. These selected genotypes were potential to be developed into new mungbean variety tolerant to salinity.Keywords: electrical conductivity, growth, yield, selection, Vigna radiata
Pengelompokan Klon-Klon Ubi Jalar Berdasarkan Analisis Gerombol, Komponen Utama dan Biplot dari Karakter Morfologi Hetharie, Helen; Raharjo, Simon Hadi Teguh; Jambormias, dan Edizon
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (416.363 KB) | DOI: 10.24831/jai.v46i3.18215

Abstract

Sweet potato is a food crop with high genetic and phenotypic diversities. The objective of this study was to cluster sweet potato clones based on their morphological characters. This research used descriptive method using 25 morphological characters on 28 sweet potato clones and clustered using dice coefficient, principal component analysis and biplot analysis. The results showed that the clones were grouped into two clusters and 14 sub-clusters. Three sub-clusters had high similarity coefficients, i.e., 0.68-0.96, one clone was eliminated, and 11 sub-clusters had a low similarity, i.e., 0.41-0.52. The principal component analysis showed 14 of 25 morphological characters  determined the diversity in 27 sweet potato clones with cumulative variance of 70.79%. Biplot analysis showed that 12 characters contributed to cumulative variance of 61.3%. Twelve morphological characters had weak contribution on the characteristics of the clones in quadrant I; meanwhile, characteristics of  clones in quadrant II were orange, yellow and white tuber flesh, in quadrant III was dark purple tuber flesh, and in quadrant IV were purple tuber flesh and cortex. Result of the grouping analysis identified clones that were closely related and those distantly related for improvement purposes.Keywords: Ipomoea batatas, cumulative variance, Maluku province, morphology, relationship
Karakteristik Buah Melon (Cucumis melo L.) pada Lima Stadia Kematangan Huda, Amalia Nurul; Suwarno, Willy Bayuardi; Maharijaya, dan Awang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 46, No 3 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (416.114 KB) | DOI: 10.24831/jai.v46i3.12660

Abstract

ABSTRACT    Melon breeding for fruit quality improvement is important to produce new varieties that meet consumers’ demand. The aim of this study was to elucidate the fruit characteristics of melon at five different maturity stages, involving several genotypes belonging to two cultivar groups: reticulatus and inodorus. The experiments were conducted in three planting seasons: (1) January-March 2015 (13 genotypes), (2) December 2015-February 2016 (56 genotypes), (3) February-May 2016 (9 genotypes). These trials were conducted at the Tajur II experimental station of IPB, Bogor, and each trial was arranged in a single factor randomized complete block design with three blocks. Maturity stages was determined based on fruit rind color and net coverage, and their effects on fruit quality were studied using combined analyses over seasons. Maturity stage significantly affected the fruit length, fruit diameter, flesh thickness, fruit weight, and sugar content. The average weight of the fruits at maturity stage 4 (838.90 g) and 5 (931.79 g) was significantly greater than that of stage 1 (584.42 g). The sugar content increased from maturity stage 2 (5.51 oBrix) to 3 (6.13 oBrix) and to 5 (8.18 oBrix). Fruit weight significantly correlated with fruit length (r = 0.53), fruit diameter (r = 0.85), fruit rind thickness (r = 0.33), and flesh thickness (r = 0.63). Maturity stages affected the quality of melon fruits, and therefore the determination of appropriate harvesting criteria is important in melon cultivations.Keywords: cantalupensis, correlation, inodorus, fruit quality, skin colour

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