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 7 Documents
Search results for , issue " Vol 32, No 1 (2004): Buletin Agronomi" : 7 Documents clear
Pengaruh Media Tanam dan SADH terhadap Pertumbuhan dan Perkembangan Tanaman African Violet (Saintpaulia ionantha) Sari, Fitria; Mattjik, Nurhajati Ansori
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 1 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The purpose of the experiment was to identify  the effect of growing medium and SADH (Succunic Acid Dimethyl Hydrazide) on growth and development of African Violet (Saintoaulia ionanthqJ. The experiment was conducted in Baranang Siang Bogor (240 m above sea level), and arranged in factorial randomized complete block design. The first factor was medium (1 cocopeat : 1 sand : 1 compost ;  1 cocopeat : 2 sand : 1 compost ; 1 cocopeat : 1 sand : 2 compost ;  2 cocopeat  : 1 sand :  1 compost). The second factor was concentration of SADH (0, 15, 30, 45 mg/l). There was not significant effect of medium and SADH qn vegetative growth, except leaf area. SADH (15 mg/l) and medium 4 (2 cocopeat : 1 sand : 1 compost) had largest leaf Growing medium and SADH had significant effect on generative growth especially on time to visible flower buds, flower bud number, flower number, flower diameter and flower senessence. SADH (15 mg/l) applied to medium 4 (2 cocopeat : 1 sand : 1 compost) initiated time to flower. SADH (30 mg/l) applied to medium 4 affected to highest number of flower buds, and SADH (0 mg/l) applied to growing medium 4 affected highest flower diameter.
Media Campuran Tanah-Pasir dan Pupuk Anorganik untuk Memproduksi Inokulan Cendawan Mikoriza Arbuskula (CMA) Anas, Iswandi; Tampubolon, J. L. O.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 1 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

AMF fungi are obligate biotroph, they can not be multiplied on artificial growth medium. The growth of AMF fungi depends on photosynthates of the host plant. The AMF inoculant production so far is done on special growth media such as vermicullite or zeolite and using a certain composition of fertilizer such as Hyponex (N: P: K = 25: 5:20). The aims of this experiment were (1) to study the possibility of using soil-sand mixture for growth medium in AMF inoculant production, and (2) to study the possibility of using Urea, SP-36 and KCI as fertilizers in AMF inoculant production. The results of the experiment showed that soil-sand mixture was a better growth medium for AMF inoculant production than zeolite. The number of AMF fungi spore, the root infection rate and the root biomass of the host plant (shorgum) were higher on soil-sand mixture growth medium compared to zeolite. Urea, SP-36 and KCI can be used as subtitute to Hyponex fertilizer in AMF inoculant production. Key words: CMA, Produksi inokulum, Entrophospora colombiana. Glomus manihotis
Pengaruh Pemangkasan Cabang dan Penjarangan Bunga Jantan terhadap Pertumbuhan dan Produksi Gherkin dengan Budidaya Hidroponik Susanto, Slamet; Pribadi, Edi Minaji
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 1 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of the research was to evaluate the effect of branch pruning and male flower thinning on growth and production of gherkin. The research was conducted in a plastic house at Pasir Sarongge Research Station of IPB, Cipanas, from December 1999 to February 2000. A Complete Random Design with two factors was used in this experiment. The first factor was branch pruning consisted of three intensity levels i.e. without branch pruning (CO), a part of branch pruning (CI), and total branch pruning (C2). The second factor was male flower thinning i.e. without thinning (BO), and with thinning (BI). Each treatment was replicated three times. Gherkin variety used in this experiment was SMR 58. The treatments were applied after el1lerging of male flower at 5 weeks after planting, and then it was replicated in every 3 days. Vegetative growth variables observed were length of stem and number of node per plant, while production components observed were number of female flower, number and weight of total fruit, and number and weight of marketable fruit. There was no interaction between branch pruning and male flower thinning treatments on all vegetative and generative variables. Both treatments did not show significant effect on vegetative growth as shown on stem length and node number. At the end of experiment (82 days after planting) the average of stem length was 230.4 - 247.6 cm and node number was 30.2 - 31.0 per plant. The treatments also did not show significant effect on production variable components, except for marketable fruit weight. Number of female flower was 19.0 - 20.3 per plant, while number of fruit was 15.2 - 16.3 per plant. The marketable fruit weight resulted from the total branch pruning treatment was 94% of the total fruit weight, showed significantly higher than that of the control plant (83%). There was a tendency for male flower thinning treatment to result higher marketable fruit as compared with that of the control ones. Key words.. Gherkin, Branch pruning, Male flower thinning, Hydroponics
Zat Pengatur Tumbuh NAA (Naphtaleine Acetic Acid) dan BAP (6-Benzyl Amino Purine) serta Air Kelapa untuk Menginduksi Organogenesis Tanaman Anthurium (Anthurium andraeanum Linden Ex Andre) Prihatmanti, Dyah; Mattjik, Nurhayati Ansori
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 1 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

purpose of this experiment was to investigate the effect of plant growth regulators NAA, HAP, and coconut , water in Anthurium andraeaum propagation by tissue culture. The experimental design was factorial arranged in randomized block design. First factor was NAA concentration consisted of 0.0 mg/l, 0.1 mg/l, 0.2 mg/l. Second factor was HAP concentration consisted of 0 mg/l, 1 mg/l, 2 mg/l. Third factor was coconut water consisted of 0%. 10%, 20%, 30%. Response of survive explant was callus formation especially on NAA 0.2 mg/l. HAP 1 mg/l and 2 mg/l resulted greening callus followed by shoots formation. Coconut water 0, 10, and 20% could promote culture growth. The combination of treatment coconut water 0%, 10%, NAA 0.2 mg}J, and HAP 1 mg/l and 2 mg/l stimulated embriogenesis of callus to be shoots, leaves and roots. Key words : Anthurium andraeanum, NAA (Naphtaleine Acetic Acid), HAP (6-Henzyl Amino Purine)
Catatan Penelitian (Research Note) Production of Seedling of Carica papaya L. by Carica parviplora (A.DC) Solms. Interspecific Hybrids Using Embryo Rescue Ernawati, A.; Drew, R. A.; Adkins, S. W.; Godwin, I. D.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 1 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

A method of embryo rescue to produce seedlings of Carica papaya x Carica parviflora (A. DC) Solms. interspecific hybrids has been developed. Liquid medium of 0.5 Murashige and Skoog nutrients containing kinetin (0.25 µM) and NAA (0.25 µM) was the best medium to germinate the hybrids and produced the biggest leaf area index of the hybrids. Liquid medium of 0.5 MS nutrients containing kinetin (1.0 µM) and NAA (0.25 µM) produced the highest number of leaves of the hybrids, and produced the longest length of hypocotyl of the hybrids.
Pengaruh Penggunaan Pupuk Anorganik dan Pupuk Semai Mikrobia terhadap Pertumbuhan dan Produksi Kapas (Gossypium hirsutum L.) Guntoro, Dwi; Chozin, M. A.; Dwirestina, Dini
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 1 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

effect of inorganic fertilizer dosage and concentration of Semai Mikrobia fertilizer on cotton growth and production was studied at Cikabayan greenhouse, IPR. The experiment was arranged in split plot design with three replicates. The dosages of inorganic fertilizers as the main plot and the concentration of Semai Mikrobia as sub plot. The dosages of inorganic fertilizers were no fertilizer, 50% recommended dosage, and IOO% recommended dosage and the concentrations of Semai Mikrobia were 0 cc/l water, 4 cc/l water, 8 cc/l water, and I2 cc/l water. The results indicated that the application of Semai Mikrobia fertilizer up to I2 cc/l did not affect growth and production of cotton. There was no interaction effect between the dosage of inorganic fertilizer and Semai Mikrobia concentration. Inorganic fertilizer application at IOO% recommended dosage increased height and the number of generative branch compared with no fertilizer.
Pertumbuhan dan Hasil Tanaman Jagung yang Ditumpangsarikan dengan Calopogonium caeruleum Hemsl. disertai Pemupukan Nitrogen Tampubolon, B. H.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 1 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

aim of this study was to recognize the influence of CaloDogonium caeruleum aged 24 months or residue of its mulch and the nitrogen fertilizing on the growth and yield of corn plants, the suppression of weed growth as well as biology and chemistry characteristics of soil. The field experiment was carried out in IPB Experiment Field in Darmaga, Bogor. The treatments comprised legume and nitrogen fertilizing factors. The legumes consisted of 3 elements, namely, without legume C. caeruleum. and its mulch residue. There were 4 dosages of nitrogen fertilizing,´ 0, 60, 120 and 180 kg N/ha. The design used were Randomized Block Design, 3 replications, experiment plot size 5 x 4 m. The Arjuna variety of corn were planted with minimum tillage system. The weeds growing in the plot without legumes and the one with C. caeruleum residue were killed by using herbiside. Dosage of 44 kg P and 83 kg K fer ha were applied as the basis fertilizers. The corn planting space was 100 x 25 cm one plant/hole. At planting time / dosage of Urea was applied and the rest of it at 30 days later. The result of the experiment revealed that the C. caeruleum treatment suppressed the growth of the weeds, increased the plant height, stalk twist, leaf area index, plant dry-weight, the weight of grain/ear and the dried grain/plot. The plot without legumes, the one with C. caeruleum and the residue of C. caeruleumproduced 5.14,8.65 and 6.25 kg dried grain respectively. The nitrogen fertilizing had no significance effect towards the grain dry-weight. Compared to the treatment without legumes, C. caeruleum treatment increased the population of soil fungi 77%, Nitrosomonas bacteria 120% and soil respiration 82%. There was also an increase of soil organic content, N-total, available P and available K as much as 35%, 30%, 11 % and 6% respectively. Key words: Corn, Caloeogonium caeruleum. Intercropping, Nitrogen fertilizing

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