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Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

jurnalagronomi
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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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Pengaruh Inokulasi Dua Spesies Cendawan Mikoriza Arbuskula dan Pemupukan Fosfor terhadap Pertumbuhan dan Serapan Fosfor Tajuk Bibit Kelapa Sawit ( Elaeis guineensis Jacq.) Wachjar, Ade; Setiadi, Yadi; Yunike, Ninin
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 3 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of this experiment was to evaluate the effect of two Arbuscular Mychorrhizal Fungi (AMF) species and phosphorus fertilization on growth and shoot P-uptake of oil palm seedling. Experiment was conducted from September 1999 to March 2000 at Darmaga, the Cikabayan Experiment Station of Bogor Agricultural University. The experiment was arranged in Randomized Bloqk Design with five replications. The first factor was species of AMF. consisted of without AMF. inoculation with Glomus aJlJlreJlatum (OG-I05) and inoculation with Glomus manihotis (INDO-I). The secondfactor was dosage of phosphorus consisted of 0, 0.577, 1.154 and 1.734 g P/seedling.The Arbuscular Mycorrhizal Fungi did not increase height of seedling, leaves total (except on leaves total at 28 weeks after planting), shoot biomass, total biomass. and shoot P-uptake compare to the control. Shoot P-uptake was significantly decreased on seedling which was inoculated with G. manihotis compare to inoculated G. aJlJlreJlatum and control. Phosphorus fertilizer and it's interaction with species of AMF did not give any influence on growth and shoot P-uptake of the oil palm seedling. Keywords.. Mycorrhizal fungi. Phosphorus fertilization, Oil palm

Deteksi Dini Tanaman yang Mengalami Kekurangan Air untuk Menentukan Waktu Pengairan Bahrun, Andi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 3 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Detection of water stress in olants may help to schedule irrigation and improve water use efficiency. The objective of this study was to determine the reflectance vegetation index (RVI) obtained from remote sensing of the crops duringg soil drying and fully watered plots as a tool for detection of water stress. RVI was calculated from incoming (PARi) and reflected (PARc) photosynthetically active radiation and from incoming (NIi) and reflected (NIc) near infrared radiation using the equation RVI = (NIc / NIi) / PARc / PARi). the effect of soil drying on leaf expansion, biomass accumulution, abscisic acid (ABA) in xylem sap and leaf water potential were used as drought indicators in maize grown in lysimeter in the field. Leaf area expansion and biomass acimulation were decreased by drought. The reflectance vegetation index was measured when green crop area index increased during the vegetation stage of growth. Xylem (ABA) increment coincided with decrease in RVI of drought plants. Changes in RVI of drought plants which were compared to RVI of fully irrigated reference plants occurred at early stage of drought stress when relative available soil water content was 60%. RVI was higly correlated with green crop area index (R2 = 0.84) and biomass accumulation (R2 = 0.88). We suggest that measurements of RVI in drought field plants compared to RVI measurements of fully irrigated reference plants within the same field can be used as an early warning system of irrigation.Keyword : Abscisic acid, Drought Reflectance, Water

Lebar Bedengan untuk Genangan dalam Parit pada Tanaman Kedelai Indradewa, Didik; Sastrowinoto, Soemartono; Notohadisuwarno, Supriyanto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 3 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

saturated soil culture the width of the beds were recommended between I m and 2 m, which require more labor to dig the furrows. An experiment was done to study the effect of the width of beds and to determine the optimal bed's width. The experiment was done on Regosol soil in Sleman Regency, Yogyakarta using Randomized Complete Blocked Design with three blocks. The treatments were flood irrigation as control and saturated soil culture with I, 2, 3 and 4 m . wide of beds. Observations were done on soil moisture, physiological processes, growth and yield of soybean. The result of the experiment showed that saturated soil culture stabilized the soil moisture around field capacity, increased physiological processes, growth of the plant and increased the seed yield 81 %from 1.17 t ha-1 up to 2.12 t ha-l. There was no significant different on the effect of width of the beds, therefore 3-4 m bed's width was recommended. Keywords: Saturated soil culture, Soybean, Bed's width.

Studi RegeDerasi daD Produksi Protoplas Mesofil Daun Beberapa KlOD TanamaD Kentang (Solanum tuberosum L.) . Asnawatr, ,; Wattimenal, G. A.; Machmud, M.; Purwito, Agus
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 3 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objectives of these experiments were to obtain medium composition to enlarge leaf size for protoplast production and to obtain medium composition for plant regeneration. The result showed that the best medium to produce the larger leaves was medium MS with double concentration of macronutrients without hormone supplemented with Morel vitamins, 3% (w/v) sucrose and. 7 g/l agar. This medium produced leaves with diameter of 1.44 cm comparing to control medium MS with 0.67 cm in diameter. Medium MS containing 0.1 mg/l 1AA, 0.5 mg/l Zeatin and 0.5 mg/l GA3 was able to regenerate vigorous shoots of 7 clones. Protoplast isolation of 5 clones using enzyme composition containing 0.5 % cellulase Onozuka RS, 0.05 %, pectolyase Y-23, 0.05 % MES, 9.1 % mannitol and pH 5.5, without CP W medium produced protoplast with variable yield from 10.50 x 1oJ protoplast/g leaves for Atlantic to 46.58x 1oJ protoplast/gforBF15. Keyword: Leaves size, Plant regeneration, Potato, Protoplast i

Aktivitas Hormon Endogen dalam Buah Anggur Muscat ofAlexandria Muda Tanpa Biji Hasill Induksi Antibiotika Widodo, Winarso Dradjad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 3 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The experiment was conducted to determine the activity of endogenous hormones in young seedless berry of Muscat of Alexandria (MOA) grapes induced by streptomycin (SM) and spectinomycin (SE). Young berries dipped in 200 ppm M or 200 ppm SE at 3 days before full-bloom and untreated berries were analyzed for the activity of . endogenous auxin, cytokinin. gibberellin and abscisic acid (ABA). The experiment was conducted at the Laboratory of ! Pomology, Faculty of Agriculture, Okayama University, Japan, from February 1999 to August 1999. Both SM and SE \treatments did not affect ABA activities of young berries. Cytokinin activity were slightly decreased by SM and SE treatments at 6 days after treatment (DAT) and became more severe at J 0 and J 3 DAT The response of berry auxin activity to antibiotic treatment was similar but stronger than cytokinins. Antibiotic treatments significantly decreased the activity ofGA at 6 and 10 DAT 1 Keywords,' Antibiotics, Endogenous hormones, Spectinomycin, Streptomycin

Uji Potensi Hasil Beberapa Galur Padi Gogo Sulistyono, Eko; Chozin, M. A.; Rezkiyanti, Femila
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 1 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Artificial shading experiment was conducted to test upland rice lines yield potential and study agronomic character correlated with high yield. A factorial experiment was arranged in split plot design with three replications. The main plot were three levels of shading: 0%, 25% and 50%. The sub-plot were 18 upland rice lines. Dry grain weight was affected by interaction between shading and lines. High yield was resulted by B8503E-TB-19B-3-4, .S'3605F-PN-201, IGM440, and 2GM440. Agronomic characters correlated with high yield potential at low light intensity were high plant, high leaf area, low tiller number, high shoot and root dry weight, high grain density and low unfilled grain percentage. Key words: Agronomic character, Grain density, Root weight, Low light intensity.

Pengaruh Pupuk Organik dan Intensitas Naungan terhadap Pertumbuhan Bibit Kopi Robusta (Coffee canephora Pierre ex Froehner) Wachjar, Ade; Setiadi, Yadi; Mardhikanto, Lies Wahyuni
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 1 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The experiment was aimed at study the effect of organic fertilizer and shading inetnsity on yhe growth of Robusta coffee seedling. Seven month old seedling of hybrid variety of BP 42 and BP 358 crossing were used in the experiment was conducted at Cikabayan Experimental Station Bogor Agriculture University, from July 2000 to January 2001. The experiment was arranged in split plot dessign with three replications. the main plot was shading intensity cinsisted of 25% (N1), 50% (N2), 75% (N3), and 100% (N4) shade. The sub plot was organic fertilizer consisting of 4 g EMAS + 1/2 dosage of inorganic fertilizier (d.i.f), 4 ml EM4 + 1/2 d.i.f (P2), 4 g OST + 1/2 d.i.f(P3), 20 ml Soils Plus + 1/2 d.i.f(P4) and 1 dosage of inorganic fertilizer (P5). Organic fertilizer affected growth, as shown by height and stem diameter of seedling at early period of experiment and shoot biomass at the end of experiment compared to one effect on all variable during the experiment. Keyword : Coffee, Shading, Oerganic fertilizer

Kejut Tanam Cara Pindah Cabutan pada Pembibitan Kelapa Sawit Yahya, Sudirman; Manurung, Awilham
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 1 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

To find out the possibility of long distance transplanting from the pre to main nursery of oil palm, a research had been conducted to study the effect of bare-root (soiless) and delayed transplanting on seedling growth. The research was a two factor factorial experiment, seedling age of 2 and 3 months, and 5 level transplanting times: conventional (direct planting), bare-root and delayed-transplanting for 1, 3, 5, and 7 days. The experiment was arranged in a randomized complete design. The results indicated that 95 - 100% of the seedlings with bare root and delayed transplanting were successfully survive and continuous to grow. Two month old seedlings were able to overcome the transplanting shock better than three month old seedlings. The seedling of bare-roots and delayed- planting for up to 7 days, still performed a normal growth and there was no significant difference among time of delayed-plantings. The seedlings of delayed transplanting grew two weeks later than the conventional transplanting Key words: Transplanting shock, Bare-root method, Delayed planting.

The Study of Genetic Diversity and Relationships on Carica sp. by Means of Random Amplified Polymorphic DNA (RAPD) Analysis Satori, Ahmad; Sujiprihati, Sriani; Sobir, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 1 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The genus of Carica comprises 21 species, among them three species have been domesticated and cultivated. They are Carica papaya, Carica candamarcencis and Carica monoica. In Indonesia, two species have been cultivated viz. Carica papaya and Carica candamarcencis. In this study, four accessions of Carica papaya species and one accession of Carica candamarcencis species were analyzed using RAPD technique. We successfully amplified a total I of 40 fragments from these DNA genome by using 6 random primers with GC bases content:::: 60% of each primer. The number of fragments of each primer ranged from 5 to 8 averaged 6.7 fragments per primer. Out of total fragments, 90% showed as polymorphic ranged from 5 to 8 on average 6 fragments per primer. A dendogram based on the UPGMA- link method using Nei and Li similarity and Principal Component Analysis (PCA) plot separated the accessions into two main groups, the Carica papaya species on the one side and the Carica candamarcencis species on the other side. The result demonstrated that RAPD analysis was able to reveal genetic difference between Carica papaya and Carica candamarcencis species, as well as genetic diversity in Carica papaya species.

Peta Genetika Tanaman, Prinsip dan Aplikasinya Surahman, Memen
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 1 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

A complete genetic map, including genetic markers for all regions of all the chromosomes in a genome, serves .as framework,for determining the location of genes responsible for variat!on in plant growth and development. Strategies for mapping both discrete and contino us phenotypes are well - established as are efficIent experlmental approaches which minimize the time and cost of genetic mapping. GenetIc map represents a powerful tool In studying the basIs of variation in plant growth and development, and in testing hypothesis. about possible candidate genes. Moreover, genetic mapping serves as starting point for cldning genes, the function (s) of whIch are known only from mutant phenotypes. Key Words.. Genetic map, Linkage, Genome

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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

Abstract

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