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 41, No 2 (2013): JURNAL AGRONOMI INDONESIA" : 24 Documents clear
Pengaruh Perlakuan Invigorasi pada Benih Kedelai Hitam (Glycine soja) terhadap Vigor Benih, Pertumbuhan Tanaman, dan Hasil Sucahyono, Didik; Sari, Maryati; Surahman, Memen; Ilyas, Satriyas
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

The objective of this research was to improve seed vigor, plant growth, and productivity of black soybean through seed invigoration treatment. The experiment was arranged in split-plot design. As the main plot, there were two black soybean varieties (Detam-1 and Detam-2) and as the sub-plot there were seed invigoration treatments applied (untreated control, matriconditioning, biofertilizer, matriconditioning plus biofertilizer). Matriconditioning was conducted using ratio of seeds to carrier (rice hull charcoal) to water of 9:6:7 (w/w/v) for 12 h in ambient room. For biofertilizer treatment, biofertilizer (consists of nitrogen-fixing bacteria, phosphate-solubilizing bacteria, fungicide-producing bacteria, and growth-regulator-producing endophytic bacteria) was applied just before planted by mixing seeds with 6.25 g biofertilizer (kg seeds)-1 and small amount of water. Matriconditioning plus biofertilizer was conducted by integrating the biofertilizer in matriconditioning. Results of the experiment showed that matriconditioning or matriconditioning plus biofertilizer improved germination percentage and rate of germination. Biofertilizer or matriconditioning plus biofertilizer improved vegetative growth. Although there was no significant effect of invigoration treatment on productivity, biofertilizer treatment produced seeds 15% higher than control, and matriconditioning treatment produced seeds 13% higher than control. Viability and vigor of harvested seeds were not affected by invigoration treatments, however, Detam-2 had higher viability and vigor than Detam-1 based on germination percentage, index vigor, and rate of germination. Keywords: biofertilizer, matriconditioning, rice hull charcoal, seed quality ABSTRAK
Perlakuan Benih dengan Agen Hayati dan Pemupukan P untuk Meningkatkan Pertumbuhan Tanaman, Hasil, dan Mutu Benih Padi Agustiansyah, ,; Ilyas, Satriyas; Sudarsono, ,; Machmud, Muhammad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

The objective of the study was to determine the effect of seed treatment on growth, seed quality, P fertilizer utilization, and rice production in the glasshouse. The experiment was conducted in a split plot design with three replications from January to June 2010.The main plots were P fertilizer rates (0, 50, and 100 kg SP-36 ha-1), and sub plots were (1) negative control (seeds were not inoculated by Xanthomonas oryzaepv. oryzae(Xoo) and without seed treatment); (2) positive control (seeds were inoculated by Xoo); (3) seeds were inoculated by Xoo and immersed in Pseudomonas diminutaA6 suspension; (4) seeds were inoculated by Xoo and immersed in Bacillus subtilis5/B suspension; (5) seeds were inoculated by Xoo and immersed in P. diminutaA6 + B. subtilis5/B suspension; (6) matriconditioning + P. diminutaA6, (7) matriconditioning + B. subtilis5/B, and (8) matriconditioning + P. diminutaA6 + B. subtilis5/B. The results showed that seed treatment with biological agents P. diminutaA6, seed treatment with P. diminutaA6 + B. subtilis5/B were the best seed treatments to improve plant growth and yield of rice. Treatment with matriconditioning + P. diminutaA6 + B. subtilis5/B was the best treatment to enhance seed germination. Soaking the seeds in B. subtilis5/B suspension or P. diminutaA6 + B. subtilis5/B suspension reduced the use of P fertilizer, based on the number of grain, total number of grain, percentage of grain per panicle. The highest seed yield obtained from both treatments was with the application of P fertilizer 50 kg ha-1. Keywords: biopriming, matriconditioning, rhizobacteria, seed viability, seed vigorABSTRAK
Analisis Daya Gabung Galur-Galur Jagung Tropis di Dua Lokasi Yustiana, ,; Syukur, Muhamad; Sutjahjo, Surjono Hadi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

The objective of this research was to analyze the combining ability of nine tropical maize lines from PT. BISI International, Tbk’s collections across two locations. The research used a complete diallel mating design according to Griffing’s method 1. Randomized completely block design was used as an experimental design with three replications in each location, Kediri and Nganjuk, East Java. Result of the combining ability analysis revealed that location effect was significant for all traits. Additive gene effects were more important in controlling plant height, ear length, ear diameter and 1,000-grain weight while non-additive gene effects were more important in controlling days to harvest, ear weight per plot and yield potency. Good combiners across locations for days to harvest were Sr-1#247 and Sr-1#086. Sr-1#001 and Loe#187; Pron#077 and Loe#057; Pron#142 and Loe#187; Loe#187 and Loe#057; Sr-1#001 and Loe#187 were a good combiners for ear length, ear diameter, 1,000-grain weight, ear weight per plot and yield potency, respectively. Best specific combinations for several important traits were generated from parent lines with high x low GCA. Sr-1#001xLoe#055; Loe#187xLoe#055 and Loe#057xLoe#055 were the best for ear weight per plot and yield potency.Keywords: combining ability, diallel, G x E interaction, tropical maize
Pemberian Mulsa dalam Budidaya Cabai Rawit di Lahan Kering: Dampaknya terhadap Hasil Tanaman dan Aliran Permukaan Heryani, Nani; Kartiwa, Budi; Sugiarto, Yon; Handayani, Tri
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

The problem of plant cultivation in dry upland with slope of >15° is the high soil erosion that result in high rate of sedimentation in the downstream of watershed. One way of overcoming this problem is by utilization of mulches. The objective of the experiment was to study the effect of mulch application on growth and yield of chilli (Capsicum frutescensL.).The experiment was conducted from January 2010 until June 2011 at Selopamioro micro watershed at Imogiri Subdistrict, Bantul District, Special Region of Yogyakarta. The experiment was arranged in a randomized complete block design consisted of four mulch treatments (rice straw, litter, plastic/silver black polyethylene, and without mulch) and four replications. The observed variables were the growth parameter (plant height), soil moisture content, soil temperature, and yield (number and weight of chilli). The result showed that application of mulches did not affect plant height and yield of chilli, but increased number of fruit. The best mulch for chilli crops in upland area was rice straw, that yielded the highest increase in number of fruit. Mulch as a soil conservation practice reduced runoff coefficient, while dicharge and extended of the reponse time were reduced only at rainfall less than 21 mm.Keywords: Capsicum frutescensL.,mulch, runoff, upland area
RNAi dari Fragmen 3’UTR Gen Penyandi H+ -ATPase Membran Plasma Melastoma malabathricum L. dapat Menghambat Pertumbuhan Tanaman Tersebut Muzuni, ,; Sopandie, Didy; Suharsono, Utut Widyastuti; Suharsono, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

The RNA silencing technique is an effective tool to examine the biological function of the target mRNA in plants. The recent development of GATEWAYTM cloning technology makes it easy to construct the RNAi vectors with trigger sequences and to analyze the function of a target gene. The objective of this research was to construct RNAi including the 3’UTR fragment of the gene coding plasma membrane H+-ATPase from Melastoma malabathricumL., 3’UTRMmpma. RNAi vector had been successfully constructed using GATEWAYTM cloning technology with the 3’UTRMmpma was used as double-stranded RNA (dsRNA) trigger sequence, pENTRTM/D-TOPO®as entry vector, and pANDA plasmid as destination vector. RNAi had been successfully introduced into M. malabathricumL. mediated by A. tumefaciensEHA101 to analyze the function of Mmpma gene in the detoxifying Al stress. Based on the test of transgenic plants tolerance to Al stress showed that in the nutrient solution including 3.2 mM Al (AlCl3.6H2O), the transgenic plants underwent growth suppression especially roots and leaves, whereas non-transgenic plants underwent growth normally. It showed that suppression of Mmpmagene expression by RNAi to M. malabathricumL. caused the plant became sensitive to Al.Keywords: 3’UTRMmpma, A. tumefaciens, Al stress, RNAi vector
Induksi Tunas Ubi Kayu (Mannihot esculentaCrantz.) var. Adira 2 Secara In vitro Khumaida, Nurul; Fauzi, Ahmad Rifqi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

The research aim was to evaluate the effect of culture medium compositon and BAP concentration on growth and shoot multiplication of in vitro-grown cassava (Mannihot esculentaCrantz.) var. ‘Adira 2’. The experimental design was completely randomize design with two factors. The first factor was composition of basal medium including MS and ½ MS (half of macro and micro nutrients), and the second factor was concentration of BAP (0, 0.5, 1, 1.5, and 3 ppm). The result showed that basal medium MS was the best medium to induce shoot multiplication of cassava var. ‘Adira 2’ with 1.27 shoots explant-1. BAP concentrations had no significant effect on some variables including number of shoot, leaf, node, and height of shoot. However, the BAP concentration affected the number of root explant-1. The control treatment medium (without BAP) showed the best growth of root with 1.95 roots explant-1. Keywords: cassava, BAP, MS medium, tissue culture
Efisiensi Serapan Hara dan Hasil Padi pada Budidaya SRI di Persawahan Pasang Surut dengan Menggunakan Kompos Diperkaya Razie, Fakhrur; Anas, Iswandi; Sutandi, Atang; Sugiyanta, ,; Gunarto, Lukman
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

There are two main problems when system of rice intensification (SRI) cultivation is carried out at tidal areas, e.g. the presence of Fe which is potentially toxic to plants and low nutrients availability. Utilization of Azotobacter-enriched compost is a choice to overcome iron toxicity as well a source of nutrients. The aims of this research were to study the effect of Azotobacter enriched compost to reduce the rates of inorganic fertilizers applied, to increase the efficiency of N, P, and K uptake, and to increase plant growth and yield. Two rice cultivation methods were applied namely SRI and conventional rice cultivation methods on tidal lands (rice fields) of South Kalimantan. A completely randomized block design with two factors was applied. The main plots were SRI and conventional rice cultivation, and as subplots were eight types of fertilizer that is a combination between Azotobacter-enriched compost with inorganic fertilizers rates. The results showed that soil nutrient availability, uptake and efficiency of N, P, and K with SRI technique was higher than conventional cultivation. Azotobacter- enriched compost on the tidal land (rice fields) could reduce the use of N and K fertilizer by 25%. Furthermore, the efficiency of N and P uptake in enriched compost with 75% of fertilizer N, P, and K were not different with enriched compost with 75% of fertilizer. Ciherang rice yields with SRI cultivation was approximately 22% higher compared to that from conventional rice cultivation. Keywords: Azotobacter-enriched compost, conventional rice cultivation, inorganic fertizers
Pergeseran Jenis Gulma Akibat Perlakuan Bahan Organik pada Lahan Kering Bekas Tanaman Jagung (Zea maysL.) Fitriana, Maria; Parto, Yakup; Munandar, ,; Budianta, Dedik
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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The objective of this study was to examine shifting of weeds species on upland previously planted with corn and treated with several organic matters. The experiment was conducted from August 2010 until January 2011, at Bakung Indralaya South Sumatera. Randomized complete block design was used with 7 treatments and 3 replications. The treatments were types of organic matters applied, consisted of planted Mucuna bracteata, planted Vigna unguiculata, compost of M. bracteata, compost of corn stalk, buried corn stalk, cow manure, and fallow. The plot size was 5 m x 20 m with 5 sampling plots. The sampling plot size was 1 m x 1 m each. The results showed that there were change in weeds composition after organic matter treatments. There were 18 species of weeds before treatments which were dominated by Panicum maximum, Eleusine indica, and Borreria laevis. After the organic matter treatments there were 22 weeds species, which classified into 17 genus and 11 families, floristically. The main weeds were Richardia brasiliensis, Borreria alata, and Eleusine indica. The weeds diversity index was less to medium with the point of 1.33 to 1.85. The community coefficient between before and after organic matter treatment was < 30% , while the average of communities coefficient between organic matter treatments above 75%.Keywords: diversity, organic matter, shifting species, weeds
Ketersediaan Fosfor pada Tanah Andisol untuk Jagung (Zea maysL.) oleh Inokulum Bakteri Pelarut Fosfat Tamad, ,; Ma’as, Azwar; Radjagukguk, Bostang; Hanudin, Eko; Widada, Jaka
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

Andisols has relatively low phosphorus availability due to its adsorption by allophane. Phosphate solubilizing bacteria (PSB) increases the availability of P via release of adsorpted-P. The aims of this research were to determine: 1) anorganicP solubilization, 2) organic-P mineralization, 3) blocking of Andisols adsorption site, and 4) effective PSB inoculant. The research was arranged in completely randomized design, with PSB inoculant as treatment. Variables observed were solubleP, mineralize-P, adsorpted-P, pH, total acidity, PSB population, phosphatase and phythase activity, relative surface charge, and maize’s growth component. The result showed that PSB inoculation increased soluble-P from 30 to between 150 and 195 ppm P, increased mineralize-P from 23.7 to between 63.6 and 91.7 ppm P, and decreased P-adsorption from 95 to between 36 and 13%. PSB inoculation decreased the Andisols pH, increased the total acidity, PSB population, the phosphatase and phytase activity, and PSB had relatively high of relative surface charge (69%). The PSB inoculation increased maize P absorption in the range of 70 and 75 mg P plant-1, and increased relative agronomic effectiveness (RAE )between 145 and 150%. Liquid and solid PSB inoculant had no different effect in increasing maize growth. Keywords: Andisol, P release, phosphate solubilizing bacteria, phosphatase, phytase
Pendinginan Zona Perakaran (Root Zone Cooling) pada Produksi Benih Kentang menggunakan Sistem Aeroponik Sumarni, Eni; Suhardiyanto, Herry; Seminar, Kudang Boro; Saptomo, Satyanto Krido
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 2 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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Abstract

High temperature is the major constraint to potato cultivation in the lowland for it causes stress and inhibit initiation of potato tuber. This study was designed to investigate the effects of root zone cooling upon seed potato production using aeroponics system in lowland wet tropical climates. Cultivation techniques used in this study was the aeroponics system with three cooling temperatures (10, 15, and 20 oC) and control (greenhouse room temperature). Plantlet of potato ‘Granola’ variety derived from tissue culture propagation were used. The results showed that the highest number of tuber and tuber weight that can be harvested up to 90 days after planting were obtained from cooling the root zone temperature at 10 °C with the average number of tuber 14.85 tubers plant-1and average weight of tubers 409.15 mg tuber-1. Plants grown at root zone cooling at 15 and 20 °C treatments produced lower number of tubers and lower tuber weight than at 10 oC, while plants grown at greenhouse temperature did not produce tubers.Keywords: cultivation techniques, Granola, high temperature, lowland tropical, potato tuber

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