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 5 Documents
Search results for , issue " Vol 29, No 3 (2001): Buletin Agronomi" : 5 Documents clear
Evaluasi Beberapa Kultivar Padi Gogo Asal Kalimantan Timur untuk Ketahanan terhadap Aluminium Menggunakan Metode Kultur Hara Rusdiansyah, ,; Rohaeni, Neni; Trikoesoemaningtyas, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 29, No 3 (2001): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Twenty four upland rice cultivars from East Kalimantan and control cultivar were evaluated for tolerance to aluminium using nutrient culture with two treatments of 0 ppm and 45 ppm AI. Result showed that eight cultivars (Pimping, Ketan Hitam, Mayas, Padi Bulu, Popot, Siam Kuning, Ketan Merah, Serai) have PAR > 0.5 and were categorized as tolerant cultivar, the other 16 cultivars were categorized as suceptable. Three tolerant cultivars: Pimping, Ketan Merah and Mayas. even have PAR higher than a control, Krowal.   Key words: Rice, AI, PAR, Nutrient
Kombinasi Optimal cara Olah Tanah dan Tingkat Pengapuran untuk Pola Tumpangsari Jagung di antara Karet pada Tanah Podzolik Merah Kuning Wibawa, Gede; Suryaningtyas, Heru
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 29, No 3 (2001): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Technical modification of rubber based intercropping system are still needed due to the appearance of various problems, either bio-physical or socio-economie factors. At different areas, where labour is limited, substitution of  manual tillage and manual seeding with mechanical equipment and manual weed control with chemical control has to be taken into account. Research on rubber based intercropping, combining two tillage systems. Conventional or full tillage, where soil was plowed and harrowed 2 and 2 times respectively,. and reduced tillage where soil tillage was done only one plowing and one harrowing and four liming levels atintercrop rows at 20 cm with (maize, variety of C7) was carried out in Sembawa Research Institute since 1998. The presented data were collected tillage system and liming dose was observed, however the grain yield difference was reduced up to 22%. During dry season cowpea (Vigna anguikulata), planted after maize, produced 870 kg/ha. The cost of production of cropping maize as rubber intercrop using full tillage system at optimal liming level was about Rp. 2,1 million. If the grain price is Rp. 1200/kg then the break-even point will be reached at grain yield of 1750k g/Ha. Rubber growth of IRR 39 clone, a latex and timber clone, was very good. Until 13 months stem diameter was  not affected by tillage systems and levels of liming for intercrop. Key words: Intercropping, Rubber, Maize, Cowpea, Soil tillage, Liming, Ultisol
Kultur Antera, Teknik Penyelamatan Embrio dan Rekayasa Genetik untuk Menunjang Pemuliaan Tanaman Padi Somantri, Ida Hanarida; Ambarwati, A. Dinar
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 29, No 3 (2001): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The success of biotechnology in developed country encourage Indonesia to use it in rice breeding program. Every technick In biotechnology has advantage and it can be used to solve a problem in a certain purpose. Embryo rescue technich solved the problem of crossing with wild species. This technick may insert a gene from one organism to another through gene  transformation technich. The anther culture technich been used on rice: Javonica, Javanica and indica. Generally, the percentage of callus induction and regeneration has great variation (1.8% - 40%). It was Influenced by the number and type of genome. The transformation of rice using microprojecty system using cry gene resulted 172 putative transgenic plants. Twenty five of them have been tested using moleculer technick and it showed t at the plants contained cry gea.   Key words: Anther culture, Embryo rescue, Rice
Uji Adaptasi Somaklonal Kentang (Solanum tuberosum L.) Kultivar Introduksi Mattjik, Nurhayati Ansori; Muharmoko, Slamet
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 29, No 3 (2001): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

One of The Asian Vegetable Research and Development Center programs is to get superior varieties potato. The experiment was objected to study somaclonal variety of several introduced potato varieties in order to select superior varieties from them. The plant height, the number of node, and petiole length of Atlantic cultivar were significant different from somaclonal cultivars, even though the number of stem and internode length were not different. However the number and weight of tuber Red Pontiac, Desiree, Russet Burbank, and Eba significant different from those somaclonal cultivars, but not the Atlantic cultivar. According to the principal component analysis for seven quantitative variables of the 34 plants numbers, there were two principal variables. The both variables I.e. variable 1 and 2, were able to explain about 79.3 % of the total variation. Therefore using the first and second variables may be explained the most of data   variation. Somaclonal variation induced by irradiation were able to improve morfologis characters and yield, especially for Atlantic cultivar. Each of Atlantic and Red Pontiac somaclonal cultivar number had far relationship with their mother plants.   Key words: Somaclonal, Potato
Perakitan Kultivar Kentang Unggul Indonesia secara Cepat dengan Metode Turunan Klonal Biji Tunggal dan Pra - Evaluasi Secara In Vitro Wattimena, G. A.; Purwito, Agus; Machmud, H . M.; Samanhudi, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 29, No 3 (2001): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

At least ten years needed to abtain new potato cultivar through sexual hybridization, somatic hybridization or through genetic transformation, To short cut this process, Laboratory of Biotechnology, Department of Agronomy, IPB employed a strategy so called single seed in vitro clonal decent ( SSICD) by usings elected parental lines for TPS (True Potato Seed) production. This breeding consist of in vitro pre evaluation for resistance wilt, fusarium wilt, black leg, rot knot nematode and maturity. Using the same number of bacterial cell / (109 cell/ml), there were positive correlation between in vitro test for disease resistance through dripping test or dripping test with greenhouse test through direct inoculation of Ralstonia solanancearum. Resistant clones to fusarium wilt and verticillium were also resistant to bacterial wilt. In vitro tuberization could be use to evaluate maturity of potato cultivar.   Key words: Potato, SSICD

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