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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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STUDI EFEKTIVITAS PENCAMPURAN SURFAKTAN DENGAN HERBISIDA UNTUK JALUR TANAMAN KARET BELUM MENGHASILKAN Sulistyono, Eko; Lontoh, A. Pieter; Widagdo, Hady
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 27 No. 1 (1999): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of research was to know effective concentration of surfactant and kind of herbicide. Research was conducted at young rubber plantation of PTPN VIII, Sukabumi, West Java. Factorial experiment was arranged in Randomized Block Design with three replication. The first factor was kind of herbicide, glyphosate 2.5 l/ha, sulphosat 1 .5 l/ha and paraquat 2 l/ha. The second factor was surfactant concentration of 0 %, 0.1 % and 0.2 %. Glyphosate that was mixed with 0.2 % of surfactant controlled weed at young rubber plantation effectively. It was showed by low persentage of weed covering. Paraquat without surfactant controlled Borreria alata, and Commelina benghalensis. Glyphosate without surfactant controlled Ottochloa nodosa and Ischaemumti morense.

PENGARUH CARA DAN SIKLUS PETIK TERHADAP PRODUKSI DAN MUTU PUCUK TANAMAN THE (Camellia sinensis (L.) O. Kuntze) PRODUKTIF KLON RANCA BOLANG (RB) 3. Wachjar, Ade; Supiyatno, ,; Damayanty, Grace Prilensia
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 3 (1998): 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 plucking method and cycle on shoot production and quality tea. The experiment was conducted at Gedeh Plantation, PTPN VIII, Cianjur, West Java from February to April 1997. The experiment was arranged in Randomized Block Design with 3 replications. The First factor was plucking method, consisted of hand plucking and scissor plucking. The second factor was cycle consisted of 3 levels: 3, 6, and 9 days. The result releaved that scissor plucking gave better production and better quality than hand plucking method, 9 days plucking cycle gave better production than 3 and 6 days plucking cycle, however 3 days plucking cycle gave better quality than 6 and 9 days plucking cycle. The highest production was obtained by combinations of 3 days plucking cycle with hand plucking

PENGARUH PUPUK BORON (B) DAN SENG (Zn) TERHADAP LAYU PENTIL DAN BUAH KAKAO (Theobroma cacao L.) YANG DAPAT DIPANEN Kurniawati, Ani; Wachjar, Ade; Sinaga, Anita Th.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 3 (1998): 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 to study the effect of B and Zn on Cherelle Wilt and cacao production. The experiment was conducted at Rajamandala Plantation from March to September 1997. Randomized Complete Block Design was used in this experiment with two factor and three replications. The first factor was 4 levels concentration of B fertilizer : 0 ppm Borax (BO), 3350 ppm Borax (B1), 6700 ppm Borax (B2), and 10050 ppm Borax (B3). The second factor was 4 levels concentration of Zn fertilizer : 0 ppm ZnSO4 (S0), 1250 ppm ZnSO4 (S0), 2500 ppm ZnSO4 (S0), and 3750 ppm ZnSO4 (S0). The result showed that B fertilizer decrease the cumulative numbers of new cherelle, cherelle wilt, good cherelle, and cacao production. Zn fertilizer did not influence all of the parameters. Interaction of B and Zn fertilizer increase the cumulative number of new cherelle and decrease the cumulative numbers of cherelle wilt.

PENGARUH DAUR PETIK TERHADAP HASIL DAN MUTU PUCUK TANAMAN TEH (Camelia sinensis (L ) O. Kuntze) PRODUKTIF KLON TRI 2024 DAN DIAGAMMA Restiandi, Dendi; Sudradjaf, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 3 (1998): 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 at Gedeh Plantation, PT Perkebunan Nusantara VII, Cianjur from January, 15th to March 25th on 1997, with the object was to evaluate the effect of plucking cycle on the yield and quality of TRI 2024 and Diagamma clones. The experiment was arranged in split plot design, shoot as the main plots were two clones of TRI 2024 (K1) and Diagamma (K2), and the sub plots were of levels plucking cycle : 0 (D1), 6 (D2), and 9 (D3) days. The result showed that 0 day plucking cycle has the highest shoot quality, as indicated by cumulative number of shoot and shoot analysis. Diagamma clone showed better shoot quality than TRI 2024 clone. The highest shoot quality was obtained from 0 day plucking cycle on Diagamma clone.

PENGUJIAN CEPAT VIADILITAS DENIH PINUS (Pinus merkusii) DENGAN KONTRAS RADIOGRAPHY Barlian, Jan; Rinawan, Decky; Nurhasybi, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 3 (1998): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of the research was to determine the best chemical for radiography contras test of pines seed viability and the key for interpretation of pines seed viability. The experiment was conducted at Seed Technology Laboratory of Forestry, Bogor from February until May 1994. The result found the best radiography test for the pine seed with parameters for X-ray as follows, (KVp) 14 K volt voltage, (mA) 5.5 A, length of radiation (et) for 12 second, distance of focus film to object (FFD) by 25 cm, and film placed (OFD) directly above the X-ray film. Contrast chemical BaCl2 decrease the seed viability at concentration of 30 % and soaking time for 30 minutes. Both KI and NaI decrease the viability at 10% and soaking time of 45 and 15 minutes, consequtively. Contrast chemical effectively interprete the viable and non viable seed at 10% concentration. Viable seeds have complete structure, did not absorb the chemicals and the physical damage was less than 25% of the seed space. Non viable seeds did not have a complete structure, absorbed the chemicals and physical damage was more than 25% of the seed space

PENGARUH DOSIS INOKULUM CENDAWAN MIKORIZA ARBUSKULA (GIGASPORA ROSEA) DAN PUPUK NITROGEN TERHADAP PERTUMBUHAN BIBIT KOPI ROBUSTA Wachjar, Ade; Setiadi, Yadi; Hastuti, Tirsa Rachma
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 2 (1998): 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 to study the effect of Gigaspora rosea inoculant and nitrogen fertilizer on the growth of coffee Robusta seedling. Coffee seedling which were used came from seedling of hybrid variety from BP 42 and BP 358 crossing, age 1 month. Micorrhiza fungi inoculations which were used came from Gigaspora rosea species. The experiment was conducted at Sukamantri Experiment Station Bogor Agriculture University, from December 1996 to August 1997. The experiment was arranged in Randomized Block Design with three replications. The first factor was dosage of micorhiza inoculation, consisted of 0, 5, 10 and 15 g/seedling. The second factor was dosage of nitrogen consisted of 0, 1.5, 3.0 and 4.5 g/seedling. Fungi inoculation treatment in the dosage 15 g/seedling showed the highest infection percentage but can not increase the growth of coffee seedling. Fungi inoculant in the dosage 5 g/seedling gave the best growth level, showed by variety height of seedling, trunk diameter; leaves total and leaves area, shoot and root biomass, compare to the other fungi inoculation dosages. The highest level of nitrogen in leaf was found in the dosage 4.5 g/seedling. Fungi inoculation in the dosage 5 g/seedling and nitrogen fertilizer in the dosage 3 g/seedling gave the highest level of leaves area and shoot biomass, compare to the other treatment combinations.

STUDI FENOLOGI DAN PENGARUH POSISI BUAH SERTA UKURAN BENIH TERHADAP VIABILITAS BENIH GMELINA (Gmelina arborea Roxb) Barlian, Jan; Yeni, Hediani; Masano, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 2 (1998): 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 research was to study the development of the flower and fruit, to enable determining physiological maturity (PM) and the effect of fruit position and seed size on seed viability of Gmelina. Gmelina seed reaches physiological maturity at the age 32 days after anthesis to have maximum potential viability, vigor and seed dry weight. Fruit position has significant effect on germination potential. Seed size do not affect parameter observed, and so is the interaction between seed position and seed size. Fruit from the middle part of the tree's stand has the highest germination potential and those from the top has the lowest. Seed having small (size 15-20 mm) has better viability compared with the big ones (> 20 mm) and seed from the fruit of the top and below which size 15-20 mm and > 20 mm.

PEMILIHAN BAHAN PEMULIAAN JAGUNG UNTUK PEMBENTUKAN VARIETAS UNGGUL DISKRIMINATIF TUMPANGSARI: PADI + JAGUNG + UBIKAYU DI LAHAN KERING.II. STABILITAS RELATIF BASIL BIJI PIPILAN KERlNG Bari, Abdul; Sjamsudin, Endang; Subandi, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 2 (1998): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Intercropping of maize, rice and cassava is commonly practiced by subsistent farmers on rainfed agriculture in Indonesia. In general, grain yield (if maize in intercropping is lower than in monoculture sole crop. This due to the fact that maize varieties planted in intercropping was bred and selected under elite, monoculture crop environment. Field experiments to evaluate grain yield relative stability (if the three selected maize breeding materials planted in association with rice and cassava were carried out In Pekalongan (Lampung), December 1994 - September 1995. All three breeding materials are relatively stable in respect to grain yield. Individual selection in MC-1 population will be practiced in association with rice and cassava.

PENGARUH BEBERAPA PERLAKUAN PASCA PANEN DAN SUHU PENYIMPANAN TERHADAP KUALITAS DAN DAYA SIMPAN BUAH PISANG CAVENDISH (Musa (GRUP AAA, SUBGRUP Cavendish)) Purwoko, Bambang S.; Juniarti, Diah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 2 (1998): 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 research was to determine the effect of prestorage infiltration of CaCl2, infiltration of spermidine, plastic wrapping and waxing on the maintenance of banana shelflife and qualities at different storage temperatures. Prestorage infiltration of Cavendish banana (Musa Cavendishii) with CaCl2 inhibited fruit softening, the increase of sugar content in peel color index. Plastic wrapping could inhibit the increase of weight loss, pulp peel ratio, peel color index, and the decrease of appearance score. Treatment of fruit with spermidine infiltration store in cool temperature could maintain banana shelflife until 27.8 days or 8.1 days longer than control.

Efficiency of Watering on Cacao Seedling Inoculated with Mycorrhiza Lucia, Yeni; Yahya, Sudirman; Fakuara, M. Yahya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 1 (1998): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The use of mycorrhiza-plantation crop association has not been widely applied, due to lack of information on the positive effect of the association on the tree crops. The plastic house study was established to evaluate the effect of inoculation of mycorrhiza fungi on the watering efficiency of cacao seeding. Four inoculation treatment of mycorrhiza fungi: without inoculant (control), endomycorrhiza (Gigaspora margarita), ectomycorrhiza (Scleroderma columnare) and double inoculant of both species, were combined on factorial arrangement with four rates of watering interval: once of every 1, 3, 5, and 7 days. Inoculation significantly improved seedling growth as shown by plant height, leaf area and dry shoot weight compared to control treatment. Double inoculation had the best result, followed by endomycorrhiza and ectomycorrhiza, consequtively. Inoculation also significantly increased watering efficiency on cacao nursery as many as 2 to 4 times compared to control and shortened the time of nursery period as long as one month.

Page 25 of 98 | Total Record : 971

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Home Page

OAI Link

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Contact Name Fatardho Zudri

Contact Email fatardho@gmail.com

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Journal Mail Official jurnal.agronomi@yahoo.com

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

Location Kota bogor, Jawa barat INDONESIA

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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