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 36, No 3 (2008): Jurnal Agronomi Indonesia" : 24 Documents clear
Pengaruh Cekaman Kekeringan dan Umur Panen Terhadap Pertumbuhan dan Kandungan Xanthorrhizol Temulawak (Curcuma xanthorrhiza roxb.) Khaerana, ,; Ghulamahdi, Munif; Purwakusumah, Edi Djauhari
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The research was conducted from November 2005 until May 2006 to determine growth and production of the Curcuma xanthorrhiza based on agronomical, physiological variables, and bioactive (xanthorrhizol) content.  The experiment was arranged in a completely randomized design with two factors and three replications.  The first factor consisted of 4 level of drought stress i.e: 100% field capacity (FC) (as control), 50% FC started at 2 weeks before harvesting (wbh),  50% FC started at 4 wbh,  and 50% FC started at 6 wbh.  The second factor comprised of 2 harvest times i.e. 5 months and 7 months.  The result showed that drought stress decreased plant growth and productivity, but increased accumulation of proline.  The harvesting time significantly increased the agronomic character, but did not significantly increase proline content.  The older samples contained more xanthorrhizol than the younger samples.   Key words: Curcuma xanthorrhiza, drought stress, harvesting time, plant growth,  xanthorrhizol.
Aplikasi Pupuk Organik dan Residunya untuk Produksi Kedelai Panen Muda Melati, Maya; Asiah, Ai; Rianawati, Devi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The study was conducted to investigate the effect of different organic manures and their residues on the production of vegetable soybean. The experiments were conducted at IPB Research Station in Cikarawang, Darmaga, Bogor; in  September 2005 to May 2006 and August to December 2006. Single or combination of organic manures (chicken manure, green manure, composts and rice hull ash) was applied in the first experiment; while effect of the residues were investigated in the second experiment. The treatments were arranged in a Completely Randomized Design with 3 replications. Single or the combination of organic manures and the residues did not result in significant difference in all agronomic characters, but chicken manure tended to be the best organic manure when it was used as single application. From these experiments, the highest number of filled pod was 56/plant and the highest fresh weight of filled pod was 48 g/plant from the actual population of + 200.000 plants/ha. Additional result from the experiment was that rice hull ash significantly reduced the intensity of plant pest by 75% from that of control.   Key words:  vegetable soybean, organic fertilizers, residual effects
Anatomi Daun Kacang Hijau Genotipe Toleran dan Sensitif Naungan Sundari, Titik; Soemartono, ,; Tohari, ,; Mangoendidjojo, W.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The research to study the leaf anatomy of tolerant and sensitive mungbean genotypes to shading was conducted at Research Station of the Indonesian Legume and Tuber Crops Research Institute (ILETRI) from September to December 2004. Nine tolerant genotypes to shading including MMC 87 D-KP-2, MLG 369, MLG 310, MLG 424, MLG 336, MLG 428, MLG 237, MLG 429 and VC2768B and three sensitive genotypes including Nuri, MLG 460 and MLG 330 were tested in two shading levels, i.e., 0% (control) and 52% using randomized complete block design with three replications. The results showed that the leaves of tolerant genotypes have fewer thrichomes, thicker leaves, thinner epidermis cells, longer palisade tissues and greater number of stomata than those of sensitive genotypes when  planted under shading condition.   Key words: Mungbean, leaf anatomy, tolerant, sensitive, shading
Evaluasi Beberapa Ekotipe Jarak Pagar (Jatropha curcas L.) untuk Toleransi Cekaman Kekeringan Lapanjang, Iskandar; Purwoko, Bambang S.; Hariyadi, ,; Budi R, Sri Wilarso; Melati, Maya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Drought stress in crop  occurs due to imbalance between water supply and demand.  Crop responses to drought stress  depend on their ecotypes.  This study was aimed at examining the tolerance of the physic nut ecotype to drought stress in inceptisol. This study was conducted at Silviculture greenhouse, Forestry Faculty IPB, from September to December 2007. A Completely Randomized Design with two factors was used in the experiment, i.e. water content (80, 60, and 40 % of field capacity) and physic nut ecotypes (Palu, NTB, IP-A, and IP-P) The results showed that (1) drought reduced stem diameter (31.4%), root length (65.49%) and leaf area (72.73%), and decreased plant dry weight (74.83%),(2) tolerance level of the evaluated physic nuts on the drought stress were moderate tolerance (IP-1A, NTB,  Palu) and sensitive (IP- Pakuwon).   Key words:  physic nut, drought stress, tolerance
Pembentukan Galur Haploid Ganda Padi Gogo dengan Sifat-Sifat Tipe Baru melalui Kultur Antera Herawati, Reny; Purwoko, Bambang S.; Khumaida, Nurul; Dewi, Iswari S.; Abdullah, Buang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The breeding of upland rice with New Plant Type characters in relatively short time can be done by using anther culture technique. The technique has been recognized as a rapid and efficient technology for crop improvement. Plant materials used in this research were F1 crossing P1 (Fatmawati x Way Rarem), P2 (Fatmawati x SGJT-28),  P3 (Fatmawati x SGJT-36), P4  (Way Rarem x Fatmawati), P5 (SGJT-28 x Fatmawati), and P6  (SGJT-36 x Fatmawati). Media for calli induction (N6) and regeneration (MS) were according to Dewi methods (2003). The results of this study indicated that P3 (Fatmawati x SGJT-36) and P6 (SGJT-36 x Fatmawati)  from resiprocal crosses gave better response in anther culture than the others crosses for their calli induction and green plant regeneration. From the six F1 crosses, 348 (53.5%) spontaneous doubled haploid (DH) pure lines were obtained, six lines from Farmawati x Way Rarem, 13 lines from Fatmawati x SGJT-28, 187 lines from Fatmawati x SGJT-36, three lines from Way Rarem x Fatmawati, five lines from SGJT-28 x Fatmawati, and 134 lines from SGJT-36 x Fatmawati.  These lines should be evaluated and characterized for their agronomical and morphological  traits.    Key words: Anther culture, doubled haploid, callus induction, green plant regeneration        
Studi Serapan Hara N, P, K dan Potensi Hasil Lima Varietas Padi Sawah (Oryza sativa L.) pada Pemupukan Anorganik dan Organik Sugiyanta, ,; Rumawas, Fred; Chozin, M. A.; Mugnisyah, Wahju Qamara; Ghulamahdi, Munif
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of the research was to study the nutrition uptake (nitrogen, phosphorus, and potassium,) and the grain production of five rice varieties representing modern, new plant type and local varieties under application of inorganic, organic and combined inorganic-organic fertilization. Five rice varieties were Way Apoburu and IR-64 (modern varieties), Midun and Sarinah (local varieties from Sukabumi and Garut, respectively), and Fatmawati (new plant type variety).  Five fertilizer treatments were (1) full recommendation dosage of inorganic fertilizer (250 kg urea/ha, 100 kg SP-36/ha, and 100 kg KCl/ha), (2) ¼ recommendation dose of inorganic fertilizer + rice straw, (3) ½ recommended dose of inorganic fertilizer + rice straw, (4) rice straw, and (5) green manure from Crotalaria juncea biomass. The results showed that there was no specific response of rice varieties to the fertilization treatments, even though there was specific nutrient uptake pattern and yield of each variety, and there was significant effect of fertilizer treatment to nutrient uptake and rice yield. Nutrient uptake and grain yield indicated that nutrient imobilisation occurred at 1stseason, however the availability of N, P, K nutrients increased at 2nd and 3rdseason on rice straw and green manure treatments. Rice straw application caused lower nutrient uptake and grain yield than full dosage inorganic fertilizer at 1st season but both were not significantly different at 2nd and 3rdseason.  Application of rice straw with  ½ dosage of inorganic fertilizers was not significantly different from full dosage of inorganic fertilizers in nutrient uptake and grain yield. Modern varieties showed higher level of N absorption than that of new  type variety although it was not significantly different with that of local varieties, whereas the P and K uptake of modern varieties was lower than that of local and new plant type varieties. The modern varieties also showed higher level of dry grain per hill than that of local and new plant type varieties. However yield per ha of all varieties tended to be similar.   Key words: uptake, efficiency, mineral nutrition, variety, lowland rice
Development of SCAR Marker for Detection of Sex Expression in Papaya (Carica papaya L.) from Several Genetic Backgrounds Sobir, ,; Sujiprihati, Sriani; Pandia, Evalina C.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Papaya plants are hermaphrodite, pistillate, or staminate. Sex inheritance in papaya is determined by a single gene locus with three alleles of M which is dominant for maleness, MH for hermaphrodites and m which is recessive for femaleness. Only fruits from hermaphrodite plants are marketed since they have the necessary commercial characteristics, i.e., they are pear-shaped and have thicker flesh and a smaller internal cavity. Increased papaya yield has been limited mainly by the ratio of female to hermaphrodite (1: 2) plants normally occurring in orchards. This ratio causes great losses to papaya producers. Identification of seedlings sex during nursery stage is of prime iportance. In order to obtain simple DNA markers to identify sex expression in papaya, five SCAR markers of 20-21 primers were utilized. Examination of these markers into 24 genotypes of papaya from 12 populations of different genetic background revealed that pair of primer PKBT-5 had successfully differentiated male and hermaphrodite plants from female plants. Hence, PKBT-5 pair of primer can be utilized as DNA marker for sex expression character identification in papayas.   Key words: Papaya, sex expression, SCAR marker
QTL Mapping of Yield, Yield Components, and Morphological Traits in Rice (Oryza sativa L.) Using SSR Marker Susanto, Untung; Aswidinnoor, Hajrial; Koswara, Jajah; Setiawan, Asep; Lopena, Vitaliano; Torizo, Lina; Parminder, Virk S.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The experiment was aimed at identifying QTL (quantitative trait loci) controlling ten traits of yield, yield component and plant morphology of rice based on BC1F1 of IR75862-206-2-8-3-B-B-B//IR64 mapping population consisted of 115 plants.  It was arranged in Completely Randomized Design with three replicates.  Ninety three SSR markers spread across the twelve rice chromosomes were used to map the QTL.  These markers were mostly segregated according to Mendel Law except for fourteen markers.  There were eleven QTL detected in eight traits, i.e., heading date, flag leaf length, plant height, panicle length, panicle weight, seed set, weight of 100 grains, and grain weight per plant, meaning that one or two QTL were detected in each trait.  These QTL were located at chromosome 2, 3, 4, 6, 11, and 12.  Some QTL were located at the same chromosome even at the same location indicating the close association of the traits.  It also indicated that there were common QTL which were found across genetic background and specific QTL which were found at specific genetic background.  Further study was prospective for the molecular marker application in rice improvement.   Key words: QTL, agronomic traits, SSR, rice
Perbanyakan Vegetatif Tanaman Jarak Pagar (Jatropha curcas L.) dengan Stek Batang: Pengaruh Panjang dan Diameter Stek Santoso, Bambang Budi; Hasnam, ,; Hariyadi, ,; Susanto, Slamet; Purwoko, Bambang Sapta
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Since physic nut (Jatropha curcas L.) is heterozygous, sexual propagation results in great genotypic and phenotypic variability. Development of efficient techniques for asexual propagation would benefit the nursery industry as this would lead to selection and production of particular clones with desirable characteristics. Therefore, two following studies were conducted from September until December 2007.  The objective was develop a protocol for vegetative propagation of physic nut by stem cutting in different size of cutting. The first experiment was dealt with stem cutting length (20 cm, 25 cm, and 30 cm) at the same size of diameter (2.5-3.0 cm), and the second experiment was dealt with diameter of stem cutting (3 cm, 2.5-2.9 cm, 2.0-2.4 cm, and 1.5-1.9 cm) at the same size of length (30 cm). Each of experiment was designed in Completely Randomized Design with three replications. Each experimental unit consisted of 25 seedlings. The result showed that cutting growth varied depending on length and diameter of stem cutting. However, better seedling growth and better survival of young plant of physic nut can be obtained from stem cutting with 20-30 cm in length and stem cutting with 2.0-2.9 cm in diameter.   Key words: cutting diameter, cutting length, Jatropha, survival, transplanting
Tanggap Pertumbuhan dan Hasil Cabai (Capsicum annuum L.) terhadap Inokulasi Fungi Mikoriza Arbuskula pada Tanah Ultisol Purnomo, D. Wasgito; Purwoko, Bambang S.; Yahya, Sudirman; Sujiprihati, Sriani; Mansur, Irdika; Amisnaipa, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 36, No 3 (2008): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The aim of this research was to test the utilization of arbuscular mycorrhizal fungus (AMF) to improve adaptation ability of chili to aluminum (Al) stress based on growth and yield response in four genotypes of chili (Capsicum annuum L.).  The research was carried out at University Farm of IPB in Cikabayan from September 2006 to Maret 2007.  The media was Ultisol from Gajrug (Lebak, Banten) in polybag.  Four genotypes of chili, PBC 619 and Jatilaba (Al tolerant genotypes), and Cilibangi 3 and Helm (Al sensitive genotypes) were treated with and without inoculation of Gigaspora margarita, and planted further in media without Al stress (Al saturation 0.77%) and Al stress (Al saturation 60.85%).  Variables observed were degree of AMF infection, root length, plant height, shoot dry weight, number of harvested fruits, fruit length, fruit weight and weight of harvested fruits.  The results showed that inoculation of G. margarita effectively decreased negative influence of Al stress by increasing plant height, shoot dry weight, number of harvested fruit, fruit length, weight per fruit and weight of harvested fruits.  Inoculation of G. margarita to Al sensitive genotypes was more advantageous than to tolerant genotypes.  The Al sensitive genotypes were adapted to Al stress if they were inoculated with G. margarita.  In Al stress condition, inoculation of G. margarita to Al sensitive genotypes increased weight of harvested fruits up to 94.49% in Cilibangi 3 and 80.37% in Helm.   Key words: Adaptation, aluminum stress, arbuscular mycorrhizal fungus, Capsicum annuum L., Ultisol

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