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 12 Documents
Search results for , issue " Vol 35, No 3 (2007): Jurnal Agronomi Indonesia" : 12 Documents clear
Respon Tanaman Pegagan (Centella asiatica L. Urban) Terhadap Pemberian Pupuk Alami di Bawah Naungan Musyarofah, Neni; Susanto, Slamet; Aziz, Sandra A.; Kartosoewarno, Suyanto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objectives of this experiment was to study the growth, yield and qualitative bioactive compounds of Indian pennyworth (Centella asiatica L. Urban) under different shading levels and biofertilizers.  Field experiment was conducted from February until May 2006 at Kuntum Nurseries Bogor.  Split plot design was used in this experiment.  The main plot was shading level: 55, 65 and 75%. The sub plot was biofertilizer types: Fertifort Super, Fertifort Fine and NPK Novelgro fertilizer.  The result of this experiment showed that plants under the 65% shading level significantly showed better growth, biomass weight and qualitative bioactive compounds (tanin, flavonoid, steroid and triterpenoid) than those of 75% shading level.  The 75% shading level was unsuitable because all plants were dead at 10 weeks after fertilizer application; the 55% shading level gave the best growth responses but 55 and 65% shading level gave no significant differences in biomass weight. Biofertilizer gave no significant differences in leaf and stolon numbers, biomass weight and physiological characteristics except NPK content in plant tissue. Significant difference occured only in N plant tissue content because of interaction with shading level. The different effect in qualitative bioactive compound showed that saponin was found in 55% shading level but not in 65% shading level.   Key words:  Shading, biofertilizer, qualitative bioactive compound, Centella asiatica.
Pengaruh Kombinasi Pupuk Organik Cair dan Pupuk Anorganik serta Frekuensi Aplikasinya terhadap Pertumbuhan Tanaman Kakao (Theobroma cacao L.) Belum Menghasilkan Wachjar, Ade; Kadarisman, Luga
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

This research was conducted from November 2002 to Mei 2003 in Cikabayan Research Station, Faculty of Agriculture, IPB.  The objective of this research was to determine the effect of combination of liquid organic fertilizer Bioton and inorganic fertilizer and frequency of application on the growth of two year old cocoa (Theobroma cacao L.). This research was arranged in randomized block design with two factors.  First factor was concentration of liquid organic fertilizer Bioton with five levels, i.e. 0 ml/l + 100% inorganic fertilizer recommended dosage (i.f.r.d.), 5 ml/l + 80% i.f.r.d., 10 ml/l + 60% i.f.r.d., 15 ml/l + 40% i.f.r.d., 20 ml/l + 20% i.f.r.d.; the second factors was frequency of application of liquid organic fertilizer Bioton with two levels, i.e. once every two weeks and once every four weeks.  Every treatment was replicated three times with two plants in each experimental unit.   The combination of liquid organic fertilizer Bioton and inorganic fertilizer gave the best result to the diameter of stem and the primary length of branch, and the frequency of application of liquid organic fertilizer Bioton gave no effect in all parameters.  Interaction between frequency of application of  liquid organic fertilizer Bioton and combination of fertilizer gave the effect only to the width of the biggest leaf at the sixteen weeks after the first treatment.  The spraying of liquid organic fertilizer Bioton with concentration 15 ml/l + 40% i.f.r.d., gave the best result on the growth of plant compared to other concentrations (5 ml/l + 80% i.f.r.d., 10 ml/l + 60% i.f.r.d., and 20 ml/l + 20% i.f.r.d. Frrequency of Bioton application once every four weeks was suggested.   Key words :  Cocoa, liquid organic fertilizer, inorganic  fertilizer,  concentration, rotation of application
Effect of Tree Litter Application on Lowland Rice Yield in Bangladesh Hossain, Kazi Liaquat; Wadud, Mohammad Abdul; Santosa, Edi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The effect of tree litters on rice yield (cv. BR11) was evaluated in the study. Four kinds of tree litter, i.e., ipil-ipil or lamtoro (Leucaena leucocephala (Lamk) De Witt), sissoo (Dalbergia sissoo), akashmoni (Acacia auriculiformis) and mander (Erythrina orientalis) were incorporated into the soil 15 days before transplanting at rate of 5 ton/ha supplemented with inorganic fertilizers (83 kg N, 48 kg P205­, 42 kg K20, 10 kg S and 3.6 kg Zn/ha). In the control plots only recommended inorganic fertilizer were applied. Results showed that tree litter application had a significantly positive effect on the yield parameters such as plant height, panicle length, tillers per hill, filled grain and index of 1000-grain weight. Grain yield of plots treated with ipil-ipil, sissoo, akashmoni and mander was 5.61, 4.49, 4.95 and 5.36 ton/ha, and the yield increased over control plots 39.6, 11.7, 23.1 and 33.3%, respectively.  It is worthy to note that addition of tree litter to inorganic fertilizer produced significantly higher yield than inorganic fertilizers solely. Among the tree litter, ipil-ipil and mander had the greatest increase in rice yield, while akashmoni was intermediate and sissoo was the least.   Key words: Agroforestry residues, rice, sustainable agriculture and tree-based cropping
Pengaruh Kemasan, Kondisi Ruang Simpan dan Periode Simpan terhadap Viabilitas Benih Caisin Brassica chinensis L.) Rahayu, Esti; Widajati, Eny
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of this trial was to determine the effect of the best  packaging material, storage room condition and storage period for the seed viability of caisin. The trial was conducted at the seed laboratory of the Department of Agronomy and Horticulture, Faculty of Agriculture, Bogor Agriculture University in March- October 2005. The experiment was arranged in completely randomized design with three factors. The first factor was packaging materials (paper, polyethylene and aluminum foil); the second factor was storage room conditions (ambient room, Air Conditioned (AC) room and refrigerator); the third factor was storage periods (0, 3, 6, 9, 12 and 15 weeks). The result of this research showed that packaging materials gave significant effect on the dry weight of normal seedling. Storage periods gave very significant effect on germination percentage, dry weight of normal seedling, maximum growth capacity, and vigor index. The interaction between packaging materials, storage room conditions and storage periods gave very significant efflect on germination rate. Based on the dry weight of normal seedling, polyethylene and aluminum foil package gave the same result, on the other hand paper package gave the lowest dry weight of normal seedling than that aluminum foil package.  Based on the germination percentage, dry weight of normal seedling, maximum growth capacity, and vigor index the seed viability of caisin did not  decrease, even after 15 weeks of storage period.   Key words : Packaging materials, storage periods and seed viability
Daya Gabung dan Heterosis Ketahanan Pepaya (Carica papaya L) terhadap Penyakit Antraknosa*) Hafsah, Siti; astrosumarjo, Sarsidi S; Sujiprihati, Sriani; Sobir, ,; Hidayat, Sri Hendrastuti
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

This study was conducted to determine the relative importance of general (GCA) and specific (SCA) combining ability and heterosis effects on resistance to C. gloeosporioides in selected papaya genotypes. A half diallel mating scheme of five genotypes of papaya were evaluated in the field. The combining ability analysis revealed that both the additive and nonadditive gene effects were present.  Crosses between the resistance and susceptible genotypes showed intermediate disease reaction to papaya anthracnose disease (PAD) suggesting a polygenic system of resistance to the disease. Highly resistance heterosis of 51.51% at Tajur and 48.71% at Gunung Geulis were expressed in crosses between IPB5 x PB000174.   Key words: Papaya, anthracnose, GCA, SCA, heterosis
Karakter Anatomi Daun dari Kultur Tunas Artemisia annua L. Juliarni, ,; Dewanto, Hamami Alfasani; Ermayanti, Tri Muji
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Artemisia annua L. produce artemisinin, an endoperoxide sesquiterpene lactone, which is effective against resistant strains of Plasmodium falciparum, the malarial parasite. Artemisinin in foliar tissue are localized entirely in subcuticular space of capitate glandular trichomes. This research was performed to investigate the anatomical structures especially glandular trichomes which associated with artemisinin production in leaves of five different shoot culture clones (A, B, C, D, and E clones). Observation of anatomical characters of leaves was done by making cross-section, while observation of trichomes was performed using Scanning Electron Microscopy.  The leaves of five clones showed bifacial anatomical structure.  The leaf thickness of E clone was the highest (96.8 µm), while those of four other clones were relatively the same ranging from 62.8 µm to 66.6 µm. Glandular trichomes were distributed throughout the lamina of leaves with the highest distribution in adaxial parts of  the leaves. The size of uppermost secretory cells of glandular trichomes was relatively the same in five clones observed. There were variations in density of  glandular  trichomes in five clones observed. A and B clones had higher density of glandular trichomes i.e. 56.9 and 60.5/mm2, while three other clones had density which range from 43.0 to 49.7/mm2. It was suggested that A and B clones were the potential clones in producing artemisinin in vitro due to their larger leaf size and higher density of glandular trichomes.   Keywords :  Artemisia annua, shoot culture, anatomical structure of leaf
Pengaruh Seed Coating dengan Fungisida Benomil dan Tepung Curcuma terhadap Patogen Antraknosa Terbawa Benih dan Viabilitas Benih Cabai Besar (Capsicum annuum L.) Setiyowati, Heny; Surahman, Memen; Wiyono, Suryo
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of this research was to study the effect of seed coating using Benomil and curcuma powder on seedborne diseases of  antrachnose and seed viability of Capsicum annuum L.. This research was conducted in Laboratory of Plant Mycology and Laboratory of Seed Science and Technology IPB, from June to July 2006. This research consisted of three experiments, i.e.: (1) the effectiveness of seed coating in decreasing infection level of antrachnose fungus in the seed of chilli, (2) the effect of seed coating on seed viability, (3) the effect of seed coating in reducing infection level of antracnose at hypocotyl of chilli.  The Experiment 1 and 3 used Randomized Complete Design and the experiment  2 used Randomized Complete  Block Design. The result of this research showed that seed coating with Benomil and curcuma powder significantly decreased the infection  level of antrachnose fungus on seed and hypocotyl (Benomil 2.5 g/l and curcuma powder 1 g/l). However, seed coating with curcuma 1 g/l had the lowest  vigour index, seedling growth rate and seed germination (3%, 2.26%, 23%). Seedcoating with Benomil 2.5 g/l and curcuma powder did not significantly affect the maximum growth potential, seed germination, and vigour index.  However, Benomil significantly decreased  the seedling growth rate.   Key wods : chilli, seed coating, antrachnose, curcuma, benomil, viability
Evaluasi Pertumbuhan dan Hasil Beberapa Genotipe Cabai (Capsicum annuum L.) untuk Toleransi terhadap Cekaman Aluminium Purnomo, D. Wasgito; Purwoko, Bambang S.; Yahya, Sudirman; Sujiprihati, Sriani; Mansur, Irdika
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The aim of this research was to evaluate growth and yield in response to aluminum (Al) stress in several genotypes of chilli (Capsicum annuum L.).  The research was  conducted in University Farm of IPB, Cikabayan, Bogor from February to August 2006.  Ultisol soils from Gajrug (Lebak, Banten) in polybag with pH 4.2, Al-dd 30.08 me/ 100 g and Al-saturated 83.81% was used in this experiment.  Eight genotypes of chilli (4 tolerant and 4sensitive) were tested on two different conditions, in media without Al-stress condition (Al-saturated 0.77%) and wich Al-stress (Al-saturated 60.85%).  Characters observed were plant height, shoot dry-weight, total number of fruits per plant, number of fruit harvested per plant, fruit dimension (length and diameter), fruit weight harvested per plant, and weight of each fruit.  The results showed that there were differences of response to Al-stress among genotypes on the study.  PBC 619 and Jatilaba were selected as tolerant genotypes, while Cilibangi 3 and Helm were sensitive.  This evaluation of agronomic characters for tolerant and sensitive to Al-stress appeared very consistent with root bioassay results.  Based on this result, the root bioassay method can be used to select chili genotypes for Al-stress tolerance.   Key words:  Growth and yield evaluation,  aluminum stress, Capsicum annuum, ultisol soil.
Transformasi Tanaman Tebu (cv. PSJT 94-41) dengan Gen Fitase Menggunakan Agrobacterium tumefaciens GV 2260 (pBinPI-IIEC) *] Susiyanti, ,; Wattimena, G. A.; Surahman, M.; Purwito, A.; Santosa, D. A.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Phosphorus is a critical nutrient for the growth and development of sugarcane in the marginal land in Indonesia. P stored in plant  as phytic acid (myo-inositolhexakisphosphate).  The objective of the study was to increase activity  of phytases enzyme in sugarcanes (cv. PSJT 94-41) through phytase gene transformation. Detection of chimeric gene by PCR showed that the phytase gene was integrated into the genome of sugarcanes. Transformation caused some abnormality such as albino, discoloration, lack of chlorophyll in the particular spot of leaves.  Putative transgenic  plantlets expressed a  higher levels of phytase enzyme activity (38.1 %), whereas increase in P available in plant (19.5 %) and content of  chlorophyll (32.3 %).   Key words: Sugarcane, transformation, phytase,  Agrobacterium tumefaciens
Penampilan Fenotipik dan Tingkat Kemandulan Tepungsari Calon Galur Mandul Jantan Tipe Wild Abortive Rumanti, Indrastuti Apri; Satoto, ,; Munarso, Yuniati Pieter
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 3 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Wild Abortive (WA) type of cytoplasmic male sterility (CMS) was developed by Indonesian Center of Rice Research, Sukamandi through backcross method. Pollen sterility and phenotypic acceptability evaluation of cytoplasmic male sterile (CMS) candidates were considered important in CMS development process. Both of evaluation were done during dry season 2002 and wet season 2002/2003. The materials were 18 CMS candidates and their resembled maintainers. Each line planting on two rows (2.5 m each) with 20 x 20 cm spacing. Observations were done for 50% flowering time, pollen sterility and phenotypic acceptability. The results of observations showed that : (a) the variation of pollen sterility among 18 CMS candidates were 82.5 - 100%; (b) Nine CMS candidates were consistent in sterility (100%) and good in phenotypic acceptability during the two seasons. Those lines were derived from IR62829A/BP1082, IR68897A/S3613F, IR66707A/Barumun, IR58025A/S24731, IR62829A/BP68C, IR68886A/IR71605, IR66707A/A2790, IR69622A/IRBB5 and IR68886A/T12357. The male parent as donor were elite lines with some good characters such as good eating quality, resistant to Rice Tungro Virus (RTV) and Bacterial Leaf Blight (BLB).   Key words : Rice, cytoplasmic male sterile, pollen sterility, phenotypic acceptability

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