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 31, No 2 (2003): Buletin Agronomi" : 7 Documents clear
Pengarub Pemberian Kompos Gulma Somber Hara NPK Terbadap Tanaman Padi di Laban Sulfat Masam Simatupang, R. Smith; Indrayati, L.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 31, No 2 (2003): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Problem of weeds in tidal swamps land is very important, because weed grows very fast and fertile, have resulted around 1.85-2.76 t/ha dry matter biomass and decreased of rice yield. Biomass recycling as organic matter to soil could be supplied of nutrients for plant. The research of weeds compost application as NPK source have conducted at dry season 2001 in acid sulphate land in Balandean Instalation. The experiment design is randomized block design with 6 treatments and 4 replications. The research results, that weeds compost application as NPK source are not significantly effect for rice growth, nevertheless based on increased of compost dosage applied the rice growth become best. The high yield have found 4.88 t/ha by NPK applied and significantly different compared to rice yield that found by weeds compost application. The effect of weeds compost dosagef or yield is not significantly different, but have found the linier relation between weeds compost dosage with rice yield by the equation: Y = 2.985 + 0.20X with R2 = 0.88 .   Key words: Rice, Compost, Acid sulphate
Hubungan Antara Penggenangan Dini dan Potensi Redoks, Produksi Etilen dan Pengaruhnya terhadap Pertumbuhan dan Hasil Padi (Oryza sativa) Sistem Tabela Arsana, IGK. Dana; Yahya, Sudirman; Lontoh, A. P.; Pane, H.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 31, No 2 (2003): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The research was conducted at the Rice Research Center, Sukamandi and at the Biotechnology Research Center,Bogor.  A two factors factorial experiment was arranged on Split Plot Design, where three levels of submerging: saturated, 5 and 10 cm in depth were assigned as the main plot and three lowland rice genotypes: IR 64, S. 3254-29-21-2 and S. 3382-2d-16-3 lines as subplots. The results indicate that submerging revealed a significant effect on  increasing the redox potential, pH, ethylene production, and yield,  however decreasing weed infestation. Almost there was no significant difference among three genotypes on their ethylene, growth and yield, and also on their responses to  the submerging treatment. Furthermore, submerging at 5 cm depth increased yield by 110 kg ha-I, or about 1.5 percent compared to just saturated condition. On the other hands, submerging at 10 cm depth increased yield by 612 kg-I. In  term of varieties, the promising lines of S,3254-29-21-2 and S.3382-2d-16-3 did not prove to have a difference with ´ IR 64, in terms of their tolerance to early submerging condition. , " Key words: Submnerging, Redox potential, Ethylene, Direct sfeeding system
Pertumbuhan 11 Aksesi Stroberi yang Dibudidayakan Secara Hidroponik Susanto, Slamet
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 31, No 2 (2003): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of the experiment was to study the growth and fruit quality of several accessions of strawberry grown by hydroponics. The experiment was conducted at farmer farm in Pacet Cianjur, from March 1999 to June 2000. These accessions were collected from Cipanas Cianjur, Ciwidey and Pangalengan Bandung, all of those were unidentified its origin. Nutrition compound used was made by modify nutrition compound for tomato which was obtained from previous experiment. The result of this experiment showed that strawberry plant could produce runner with average one runner per month, whenever all fruit thinned. A strawberry plant produced one leave average per two week´, J 1-18 fruit per year with 13-24 gram per fruit or 210-314 gram per plant per year. It has been found that five accessions tasteless, four accessions had strong sour taste, one accession (No.4) with sweet taste and one another accession (No. 10) with sour sweet taste. The last two accessions had a good taste with fruit weight around 17 gram in average per fruit, smoth texture and adequate firmness. These accessions are being propagated for further experiment. Key words: Accessions, Hydroponics, Strawberry
Perbanyakan Padi Fl Interspesifik untuk Bahan Silang Balik (Back Cross) Syukur, M.; Aswidinnoor, H.; Suharsono, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 31, No 2 (2003): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

A lot of plant materials are needed for successful back cross program of interspecific FI rice to their recurrent parents. Multiplication of the steril FI plants through tiller propagation is not adequate. The research aims to develop technique of vegetatif multiplication of interspesific hybrid rice utilizing nodal segments. In the vegetatif multiplication experiment, several factors were examined as treatments: nutrition culture (MS, Yoshida, and water), stum position (first, second and third) and growth media (vermiculite, husk charcoal, and sand). The plant materials are interspecific FI rice i.e. Ranah Sanra (genom AA) x O. officinalis 100870 (genom CC), Hawara Bunar (genom AA) x O. Punctata 9101411 (genom BB), Grogol (genom AA) x O. punctata 9101411 (genom BB), CT 6510-24-1-3 (genom AA) x O. malamphuzaensis 100957 (genom BBCC). Results of the study indicated that MS and Yoshida nutrition, stum without sheath, base of stum and sand media gave better growth more than other treatments. Key words: Vegetatif multiplication, FI interspecific
Penciri Sifat Agronomik Kedelai yang Dapat Beradaptasi di Lahan Basah Nurlianti, ,; Mugnisjah, Wahju Qamara; Bintoro Djoefrie, Muhammad Hasjim Bintoro Djoefrie Hasjim; Sjamsudin, Endang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 31, No 2 (2003): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Arable land-use conversion into activities of non-agricultural production may encourage the use of wet region for soybean production. In this respect, a research on the adaptability of 25 soybean varieties to saturated soil has been conducted in the field. A randomized complete block design with 3 replicates was used in this experiment. Results of the experiment showed the adaptability differences among the 25 soybean varieties tested. Based on their yield, soybean adaptability to saturated soil condition was not related to plant growth type, but could be influenced by plant age. With an exception for Tidar (a high yielding variety belonging to the intermediate age), the late varieties produced highe  yield than that of the intermediate ones. It was concluded that the varieties belonging to high yielding ones were  characterized by the existence of positive correlation of pod number with nodule number and relative growth rate and of nodule number with relative growth rate and leaves area index. Key words: Soybean, Adaptation, Saturated soil, Agronomic traits
Transformasi Genetik Tanaman Kentang cv. Atlantik Dengan Mengintroduksikan Gen Hordothionin untuk Mendapatkan Ketahanan terhadap Penyakit Bakteri Nurhasanah, ,; Wattimena, G. A.; Purwito, Agus; Wiendi, Ni Made Armini; Suharsono, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 31, No 2 (2003): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Hordothionins are small anti-bacteria proteins present in barley endosperm, To reveal the potential of this proteins for engineering bacterial disease resistance into potato, a semi-synthetic hordothionin gene construct was introduced in potato cv. Atlantic via Agrobacterium tumefaciens strain LBA 4404, under the control of a cauliflower mosaic virus (CaMV) 358 promotor. The in vitro grown stem (internodus) was used in this research. After 6 weeks in regeneration medium and 2 weeks in rooting medium there were 22 regenerated plants that were screened in kanamycine containing medium. PCR analysis using spesific primer from CaMV 358 promotor showed the presence of amplified T-DNA in 4 transgenic lines from 22 putative transgenic plants were tested, The in vitro toxicity against Ralstonia solanacearum tested from transgenic lines showed variation in resistance level, There were only 2 of the transgenic lines were tolerant, while one of them was moderate tolerant even one of them was susceptible. Key words: Potato, Hordothionin gene, Disease resistance
The Effect of Rainfall Intensity on Soil Erosion and Runoff for Latosol Soil in Indonesia Sukartaatmadja, Sukandi; Sato, Yohei; Yamaji, Eiji; Ishikawa, Masaya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 31, No 2 (2003): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Soil erosion is the most serious problem of land degradation in Indonesia. However, limited report has been documented. The erosion problem in Indonesia, particularly in Java, has been at an alarming rate. The fundamental 1 case of soil erosion is the rain effect upon the soil. Rainfall intensity and soil characteristics are related to soil erosion  and runoff The objective of this research was to study the relationship of rainfall intensity, soil erosion and runoff in latosol soil. An experiment was conducted using plot size 22 m in length and 2 m in width and 9 % slope. A field experiment was conducted with rainfall intensity observation for 3 months, to collect soil erosion and runoff in the soil collector. A laboratory experiment was done using rainfall simulator instruments with rainfall intensity of 2.3, 3.4, 4.5, 5.6 cm/hr and 8 % slope each with 3 replications. The result of the experiments showed that soil erosion was 3. J 4 t/ha and runoff was 33.20 m3/ha. When the rainfall size increased the soil erosion and runoff also increased. The correlation coefficient between £130 (Interaction 130 and energy) and soil erosion was positive. Key Words: Rainfall intensity, Soil erosion, Latosol soil

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