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 15 Documents
Search results for , issue " Vol 45, No 2 (2017): Jurnal Agronomi Indonesia" : 15 Documents clear
Karakter Seleksi pada Generasi Awal untuk Adaptasi Padi terhadap Cekaman Suhu Tinggi Manalu, Victor Manotar Pademan; Wirnas, Desta; Sudarsono, dan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (562.896 KB) | DOI: 10.24831/jai.v45i2.12938

Abstract

ABSTRACT            Developing new rice  varieties adaptive to heat stress is important to maintain high rice production in anticipating global warming effects. This research was aimed to find selection characters and to select the best segregant in early generation based on agronomic characters for adaptation of rice to heat stress. The experiment was carried out in September 2014 to Januari 2015. About 210 F2 segregants generated trough hybridization between IPB 4S (sensitive parent) and Situ Patenggang (tolerant parent), 20 individuals of IPB 4S, and 20 individuals of Situ Patenggang, were used as genetic control. All genetic materials were exposed to high temperature stress by growing in a green house of Bogor Agricultural University. The average temperature in the research period was 24 °C and 42.09 °C, respectively for minimum and maximum temperature.  The results showed that charachters of productive and total tiller number, total grain number, and seed weight had high heritability, high coeffiecient of genetics variability-with an additive gene action. That charachters could be proposed as selection criteria in early generation for rice breeding of adaptation to high temperature stress. The characters could be applied  in either single trait or multiple traits selection. Based on multiple traits selection we found 50 the best F2 segregation.Keywords: differential selection, early generation, heat tolerant, heritability, gene action, variability genetics coeffiecient
Adaptabilitas Varietas Inpara di Lahan Rawa Pasang Surut Tipe Luapan Air B pada Musim Kemarau ,, Koesrini; Saleh, Muhammad; Nurzakiah, dan Siti
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (254.818 KB) | DOI: 10.24831/jai.v45i2.13559

Abstract

Tidal swamp lands are marginal lands with considerable potentials for rice farming. The key solution to overcome swampy lands constraints are nutrient and water managements as well as the use of adaptive rice varieties. Inpara (inbred swampy land rices) varieties have been released by the Indonesian Agency for Agricultural Research and Development (IAARD) which are adaptive to swampy land conditions. The purpose of this research was to evaluate the adaptability of Inpara varieties in tidal swamp lands with type B overflow. The field experiment was carried out in Karang Bunga village, Barito Kuala District, South Kalimantan Province, in the  dry season  from April to August 2016. The research was arranged in randomized complete block design, with 3 replicates. The varieties tested, i.e., Inpara 1, 2, 3, 4, 5, 6, 7, 8, 9, and check varieties Margasari, Ciherang, and Mekongga. The results showed that the adaptability varied among varieties tested. Inpara 3, 4, 6, 8, and 9 had high yield and good adaptation on tidal swamp land yielded 3.475-4.299 ton ha-1. These varieties produced between 38.5 to 71.3% higher than Margasari and 51.4 to 87.2% higher than Mekongga. Inpara 3, 4, 6, 8, and 9 could be used as a main varieties in the tidal swamp lands.Keywords: rice, swampy land, variety
Daya Gabung dan Heterosis Galur Jagung (Zea mays L.) pada Karakter Hasil dan Komponen Hasil setyowidianto, eko purnomo; Basuki, Nur; Damanhuri, dan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (306.893 KB) | DOI: 10.24831/jai.v45i2.11650

Abstract

Corn productivity can be improved using hybrid varieties. Evaluation of inbreds and hybrids were required to obtain information of general combining ability and specific combining ability. The objective of this research was to find out inbred combining ability and hybrids heterosis from crosses of 10 inbreds (5 inbreds from PT. Agri Makmur Pertiwi and 5 introduced inbreds) based on yield and yield components character. Diallel mating design using method 2 model 1 of Griffing model and the testing were conducted from January to August 2012. The tests using a randomized block design with three replications. PWM-1 (PT. Agri Makmur Pertiwi group) and PWI-5 (introduced group) have GCA better than other inbreds on grain yield, ear length, ear diameter, number of seed rows, shelling percentage and 1,000 seeds weight. Hybrids PWM-5 x PWM-1, PWI-5 x PWM-1 and PWI-5 x PWM-5 have a positive SCA values and also inbred parent have a positive GCA value. Intercrosses of introduced group had the high heterosis for all characters. PWI-4 x PWI-2 had highest SCA and heterobeltiosis for ear diameter and 1,000 seeds weight, and for number of seed rows was PWI-5 x PWI-2.Keywords: diallel cross, heterobeltiosis
Seleksi dan Karakter Sekunder Jagung Inbrida Toleran Cekaman Kekeringan Badaruddin, Muhammad Farid; Efendi, Roy; Nur, Amin; Azrai, dan Muhammad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (469.38 KB) | DOI: 10.24831/jai.v45i2.13179

Abstract

The availability of drought-tolerant maize inbred materials are useful to develop a hybrid or synthetic drought tolerant maize varieties. This research was aimed to select drought tolerant and determine secondary traits for selection of inbred maize. Selection of 31 maize inbred lines was conducted in nested experimental design in which the replicate was nested into the drought stress selection condition and normal irrigation. Drought stress treatment was applied during flowering to milk phase. In the normal irrigation condition the water was supplied every 10 days. The results showed that the medium tolerant to tolerant to drought stress inbred lines were 1044-30, DTPYC9-F46-3-9-1-1-B, CML161 / NEI9008, DTPYC9-F46-1-2-1-2- B, and Mr14. The yield declined of tolerant/medium tolerant inbred lines of about 17.0-38.3% was lower than sensitive inbred lines of about 42.8-70.7% under stress condition. The tolerant/medium tolerant inbred lines can be used for developing drought tolerant or synthetic varieties. The secondary traits effective for selection of drought tolerant inbred lines were shelling percentage, leaf chlorophyll, leaf rolling scores, number of tassel, the female flowering dates, and anthesis silking interval (ASI). The traits were more effected by genetic factors than the environmental factors and correlated to yield under drought stress conditions.Keywords: anthesis silking interval, environmental condition, inbred lines, tassel number, yield
Penyimpanan Serbuk Sari Jagung dan Potensinya untuk Produksi Benih Hibrida Fariroh, Indri; Palupi, Endah Retno; Suwarno, dan Faiza Chairani
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (476.285 KB) | DOI: 10.24831/jai.v45i2.12535

Abstract

Production of maize hybrid seed is hindered by relatively poor production by the male line pollen; short live of the pollen which was ascribed to desiccation and dehydration sensitive and flowering asynchrony between male and female lines. The aims of this study were to enhance production and viability of male line pollen and also to determine the suitable storage condition for maintaining pollen viability in order to be used for production of hybrid seed. The research consisted of two experiments. The first experiment was arranged in split plot randomized block design with NPK dosages as main plot (0, 300, 600, 900 kg ha-1) and application of boron as sub-plot (0, 1.5, 3, 4.5, 6 kg ha-1), replicated three times. The second experiment used randomized block design with two factors, i.e. storage temperature (-196 oC and -20 oC) and storage period (0, 1, 2, 3, 4 weeks). The result showed that NPK 900 kg ha-1 increased the number of spike per tassel from 9.3 to 10.7. Application of NPK 600 kg ha-1 or boron 1.5 kg ha-1 improved pollen viability. Combination of NPK 900 kg ha-1 and boron 6 kg ha-1 resulted in the highest pollen viability of 95.3%. Pollen after being stored for four weeks either in -196 ºC or -20 ºC was possible to be used for seed production with 20% seed set.Keywords: boron, freezer, liquid nitrogen, NPK dosage, pollen viability  
Keragaan dan Kemampuan Meratun Lima Genotipe Sorgum Meliala, Merry Gloria; ,, Trikoesoemaningtyas; Sopandie, dan Didy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (395.582 KB) | DOI: 10.24831/jai.v45i2.12391

Abstract

Ratooning can be used as an alternative cultivation technique for production of sorghum. This study was aimed to evaluate the growth and production of ratoon following the main crop. The study was conducted during August 2013 until November 2014, at Cikabayan Experimental Station, Bogor Agricultural University. The research was arranged in a randomized complete block design with four replications. The results showed that genotypes was significantly affected the vegetative and reproductive characters, physiologycal characters of the main crop, ratooning ability, and vegetative characters of ratoon crop. Plant height, stem diameter, fresh and dry weight, harvest time, and harvest index of main crops had significant correlation with ratooning ability. Plant height, total chlorophyll, fresh and dry weight, panicle weight, grain weight per panicle, 1,000 grain weight, harvest index, and transpiration rate of main crops had significant correlation with ratoon growth. Based on path analysis, the main crop growth directly affected ratoon height, and vegetative characters of ratoon directly affected the yield. The ratoon yielded 48.9-65.7% of the main crop yield. Keywords: path analysis, ratooning ability, ratoon crops
Isolasi dan Karakterisasi Gen Pto Asal 20 Aksesi Anggrek Phalaenopsis Elina, Juanita; Sukma, Dewi; ,, Giyanto; sudarsono, dan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (970.136 KB) | DOI: 10.24831/jai.v45i2.12905

Abstract

Bacterial soft rot disease because of Dickeya sp. infection is the main problem in Phalaenopsis production in Indonesia, but the percentage of infected plants has never been recorded in detail. Isolation and characterization of Pto gene from Phalaenopsis could be useful to support breeding for resistance Phalaenopsis. Encoding serine-threonine kinase, Pto gene confers resistance to bacterial infection of Pseudomonas syringae in tomato. The objectives of this study were to isolate, sequence and characterize fragment of Pto gene from 20 genotypes of Phalaenopsis (16 species and 4 hybrids) and to evaluate their molecular diversity. Genomic fragments of Phalaenopsis were amplified using Pto specific degenerate primers; and the PCR amplicons were sequenced. Searching the identity of determined sequences was done using BLAST against all accessions in NCBI GenBank DNA database and in Conserve Domain Database. PCR amplification using Pto specific primers produced a single DNA fragment of ~500 bp. The determined nucleotide sequences from the amplicon were ~449 bp. The nucleotide sequences of the amplicons from 20 Phalaenopsis genotypes showed high sequence identity to Pto from Musa acuminata. Translation of the amplicon results in ~149 amino acid residues. Comparison of the translated polypeptides identify indicated there were low variations of Pto gene among accessions since they contain the PTO catalytic domain and the Serine/Threonine kinases, sub family of Interleukin-1 Receptor Associated Kinase (STK_IRAK) which are the conserved domains for PTO.Keywords: catalytic domain, disease resistance, fragment Pto gene, phylogenetic, RGA
Performance, Heritability and Genetic Advance for Oil Yield and some Economical Characters in Oil Palm (Elaeis guineensis Jacquin) of Cameroon Constantin, Mondjeli; Ridwani, Sobir; Syukur, Muhamad; Suwarno, and Willy Bayuardi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (328.56 KB) | DOI: 10.24831/jai.v45i2.14110

Abstract

Knowledge of the magnitude of genetic variability, heritability and genetic advance in the selection of desirable characters could assist the plant breeders in ascertaining criteria to be used in the breeding programmes. Twenty three introgressed oil palm progenies were evaluated at the Specialized Centre for Oil Palm Research of Cameroon, from 2004 to 2014 to estimate performance, genetic variability, heritability and genetic advance of oil yield and some economic traits in terms to select new oil palm parent materials with the traits of interest. The results revealed high variability among oil palm population for all the characters. Moderate estimates of the phenotypic and genotypic coefficient of variations associated with high heritability and moderate genetic advance as percent of mean were obtained for characters of fresh fruit bunch, bunch number, oil yield, kernel to bunch, kernel to fruit, kernel yield and height increment. The results suggest the effectiveness of selection method for these traits and their improvement through their phenotypic performance. LM11087T x LM2749D and LM12960T x LM7409D were obtained as superior oil palm crossing parents with the potential production of 6.26 ton ha-1yr-1 of crude palm oil; they can be exploited in seed production and further breeding program.Keywords: genetic advance, heritability, introgressed progenies, oil yield, Phenotypic
Keragaan Agronomi dan Potensi Hasil Genotipe Jagung (Zea mays L.) Generasi S1 dan S2 di Dua Lokasi Salamah, Umi; Suwarno, Willy Bayuardi; Aswidinnoor, Hajrial; Nindita, dan Anggi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (297.691 KB) | DOI: 10.24831/jai.v45i2.13156

Abstract

Hybrid maize breeding relies on the availability of good performing inbred lines with superior combining ability. The objectives of this study were to: (1) estimate genetic paramters and heritability for agronomic and yield traits, (2) estimate correlations among traits, and (3) estimate selection-balanced inbreeding depression level from S1 to S2 generations. The S1 trial was planted from June to September 2014 at two locations, followed by the S2 trial from January to May 2015 at the same locations. Each trials was arranged in an augmented design with three blocks consisting of 72 unreplicated test genotypes, 3 unreplicated inbred lines, and 5 replicated commercial hybrid varieties as checks. The results showed that the heritability estimates were medium to high for most observed traits. Best yielding genotypes in S1 and S2 generations were derived from P27xNK6326, Pertiwi3xP31, NK6326xP31, P31xNK6326, and P31xNK33 populations. Grain yield was positively correlated with plant height, ear height, ear length, and ear diameter in S1 and S2 generations. The S2 generation exhibited inbreeding depression for grain yield. The estimates of heritability, correlations, and inbreeding depression obtained from this study could be useful for selection in corn breeding programs.Keywords: correlation, heritability, inbreeding depression
Parameter Genetik dan Deteksi Segregan Transgresif pada Populasi Kacang Tanah (Arachis hypogaea L.) Generasi F3 Nurhidayah, Siti; Wahyu, Yudiwanti; Bayuardi Suwarno, dan Willy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 45, No 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar | Full PDF (329.019 KB) | DOI: 10.24831/jai.v45i2.12940

Abstract

ABSTRACTSelection of transgressive segregants is considered as one effective way of obtaining peanut genotypes with high yield on early segregation. The objective of the study was to estimate genetic parameters and to identify transgressive segregants of peanut family in F3 generation. The experiment was conducted at Leuwikopo, Dramaga, Bogor on August-Desember 2014. The genetic materials evaluated were 218 family F3 generation from 5 biparental population (Jerapah/GWS79A1, GWS79A1/Zebra, GWS79A1/Jerapah, Zebra/GWS79A1 and Zebra/GWS18) and 4 commercial varieties as checks (Gajah, Jerapah, Sima, and Zebra). The experiment was conducted in an augmented randomized complete block design with 4 replications for the checks. The results showed that quantitative characters had continuous distribution and they were controlled by many genes with additive, dominance, complementary epistasis, or additive epistasis gene action. Total number of pod and number of pod had high heritability and moderate genetic coefficient of variation. Selection with 10% intensity showed that 22 families had large total number of pods while six families had larger total number of pods than both parents. Family U2-39 estimated was identified as a putative transgressive segregant with high total number of pod and had smaller variance within family than Sima variety. Keywords: additive,gene action, heritability, GCV

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