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Buletin Kebun Raya
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Core Subject : Agriculture,
Buletin Kebun Raya adalah publikasi ilmiah resmi dari Pusat Konservasi Tumbuhan Kebun Raya - LIPI. Jurnal ini terbit 2 kali setiap tahun, 2 nomor setiap volume, berisi tulisan ilmiah hasil penelitian, ulasan, atau gagasan asli tentang konservasi tumbuhan, biologi tumbuhan, dan pengembangan perkebunrayaan di Indonesia dan daerah tropis lainnya. Penerimaan naskah dan semua proses redaksional di Buletin Kebun Raya tidak dikenakan biaya. The Botanic Gardens Bulletin is the official scientific publication of the Center for Plant Conservation Botanical Gardens - LIPI. The journal is published two times per year, two numbers each volume, containing scientific literature research, review, or original ideas about conservation of plants, plant biology, and development of botanic gardens in Indonesia and other tropical areas.
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Articles 187 Documents
RESPON PEMBERIAN HORMON TUMBUH DAN MIKORIZA TERHADAP PERTUMBUHAN STEK RAMIN (GONYSTYLUS BANCANUS (MIQ.) KURZ) Wikan Utami, Ning
Buletin Kebun Raya Vol 14, No 2 (2011): Buletin Kebun Raya Vol. 14 (2) Juli 2011
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Abstract

This study was conducted to determine  the effect of growth hormones and mycorhyza application on the growth of ramin cuttings.  A Completely Randomized Design with 5 replicates was used in this study. The experiment consisted of two stages  i.e  hormon treatments (control, Rapid root, Root Up, IBA 250 mg/l, IBA 500 mg/l, IBA 1000 mg/l), Fusarium and mycorhyza applications. The result showed that  the highest number of root  was obtained from Root Up (12,83 cm),  while the lowest was from Fusarium treatments (4,67 cm). IBA 250 mg/l enhanced the number of roots and the length of root significantly  but not stimulate the development of  new leaf.  While mycorhyza application improving  the growth of the new leaf  and  the root development of ramin.
STUDI POPULASI Dinochloa sepang, BAMBU ENDEMIK BALI Arinasa, Ida Bagus Ketut
Buletin Kebun Raya Vol 17, No 1 (2014): Buletin Kebun Raya Vol. 17 (1) Januari 2014
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Abstract

Bambu alas adalah salah satu jenis bambu endemik, tumbuh di hutan alam Sepang, Bali, dimana bambu ini di habitat alaminya sangat terdesak saat ini. Bambu yang berperawakan merambat ini direkomendasi sebagai jenis bambu endemik baru dengan nama Dinochloa sepang Widjaja & Astuti, dimana populasinya belum pernah dilaporkan. Penelitian dengan metode plot dilakukan pada kawasan seluas satu ha yang terdiri atas 10 sub plot, masing-masing dengan ukuran 50 m x 20 m telah dibuat untuk menentukan populasinya. Hasil penelitian menunjukkan bahwa populasi Dinochloa sepang adalah sebanyak 360 batang (45 rumpun) per ha termasuk permudaan alaminya yang menghasilkan rebung sangat sedikit hanya 32 batang per ha. Terdapat 75 batang yang ditebang, melebihi jumlah rebung sebanyak 72 batang per ha. Deskripsi morfologi bambu Dinochloa sepang juga dibahas dalam naskah ini.
Rhododendron javanicum (Blume) Benn. AND Rhododendron sessilifolium J.J. Sm. GERMINATION AND SEEDLINGS DEVELOPMENT ON DIFFERENT GROWING MEDIA AND FERTILIZERS APPLICATION Rahman, Wiguna; Juairiah, Lina
Buletin Kebun Raya Vol 16, No 2 (2013): Buletin Kebun Raya Vol. 16 (2) Juli 2013
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Abstract

Growing medium is one of the most important factor for ex situ conservation of Rhododendron. Study on different growing media available locally were conducted for germinating and developing the seedlings of Rhododendron javanicum and R. sessilifolium. Tree fern roots medium was suitable for germination and developing Rhododendron javanicum and R. sessilifolium seedlings. Growing medium for bigger seedlings using "Cibodas compost" was better than "Cibodas compost and rice husk" for the development of Rhododendron seedlings. Fertilizer application did not showed significant effect on R. sessilifolium seedlings. However, low concentration of fertilizer was recommended rather than high concentration of fertilizer. Some fertilizers at different applications were tested on the development of R. sessilifolium seedlings.
STUDI SIFAT FISIK BIJI KECAPI (Sandoricum koetjape Burm. f. Merr) DAN PENYIMPANANNYA DALAM SUHU KAMAR Aprilianti, Popi; Putri, Winda Utami
Buletin Kebun Raya Vol 12, No 2 (2009): Buletin Kebun Raya Vol. 12 (2) Juli 2009
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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The Santol fruit (Sandoricum koetjape Burm. f. Merr.) is one of the most important fruit trees in Meliaceae. It possesses seeds with sticky white aril that cannot be stored for a long term because of its characteristic as recalcitrant seeds. The aim of this research was to study the storage period of the santol seeds in the room temperature. Measurements were conducted on seed characteristics such as weight, length, seed thickness, water content, seed viability, and germination rate. The result shows that santol seed can be stored maximum for 40 days. Between 30-40 days the seed can still germinate but the seedling is in normal strong and normal weak category. Based on water content measurement and viability observation, santol seed can be grouped as recalcitrant.
KONSERVASI PAMELO {Citrus maxima (Burm.) Merr.} DENGAN PENURUNAN KONSENTRASI MEDIUM DAN SUKROSA Tyas, Kartika Ning; Susanto, Slamet; Dewi, Iswari S; Khumaida, Nurul
Buletin Kebun Raya Vol 15, No 2 (2012): Buletin Kebun Raya Vol. 15 (2) Juli 2012
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Abstract

Indonesia has high variety of pummelo [Citrus maxima (Burm.) Merr.], but only several cultivar are cultivated extensively. Others became vurnerable and the  germplasm has to be conserved to prevent their extinction. One of the conservation method is in vitro conservation  using a slow growth technique. Factorial experiment was used in designing the experiment, the first factor was MS medium concentration, i.e. 1/2MS and MS. The second factor was sucrose concentration, i.e. 0; 1; 2; and 3%. The results showed that low concentration of MS medium and sucrose reducing the leaf number and shoot length but increasing the root number and length.  Based on inhibition of growth,  the most reducing growth was planlet on MS without sucrose.
GAMETOPHYTES OF THE BIRD NEST FERN Asplenium nidus L. (ASPLENIACEAE) FROM WEST KALIMANTAN Praptosuwiryo, Titien Ng.
Buletin Kebun Raya Vol 13, No 1 (2010): Buletin Kebun Raya Vol. 13 (1) Januari 2010
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Gametofit Asplenium nidus L dari Kalimantan Barat diamati dengan mengecambahkan spora pada media campuran akar paku pohon dan arang sekam (1:1). Penelitian ini bertujuan untuk mendapatkan bukti taksonomi baru untuk mendukung keberadaan jenis komplek dalam A. nidus. Spora coklat tua simetris bilateral yang berkecambah menghasilkan benang berklorofil yang terdiri atas 4-6 sel. Rizoid berkecambah pada sisi polar, sedangkan benang berklorofil pada sisi ekuator. Pembentukan piringan berawal pada sel sub terminal dari benang yang berkecambah pada hari ke-12 dengan pembelahan sel secara mencong. Rizoid terbentuk lagi pada sel-sel pangkal atau semi pangkal pada piringan. Gametofit muda berbentuk jantung panjang dan anteridium muda mulai timbul pada umur 60 hari. Gametofit dewasa menjantung dan menghasilkan anteridium dewasa mulai umur 75 hari. Gametofit hermaprodit dan betina tidak ditemukan. Sporofit muda mulai muncul pada umur 90 hari. Hasil penelitian menunjukkan bahwa ciri-ciri morfologi gametofit menambah bukti taksonomi dalam mendukung keberadaan jenis komplek atau jenis tersembunyi dalam A. nidus.
KEANEKARAGAMAN TUMBUHAN MANGROVE DI TAMAN NASIONAL BALI BARAT Arinasa, Ida Bagus Ketut
Buletin Kebun Raya Vol 15, No 1 (2012): Buletin Kebun Raya Vol. 15 (1) Januari 2012
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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The diversity of mangrove at West Bali National Park has not been reported completely. The exploration was conducted from 12 - 16 June, 2011 from Banyuwedang to Gilimanuk and from Gilimanuk to Sumbersari-Melaya mangrove forests. The result showed that 18 families consist of 21 genera and 28 mangrove species were recorded at West Bali National Park, these are 11,5% of the Indonesian mangroves.
MICROPROPAGATION OF Amorphophallus titanum Becc. (ARACEAE) Irawati, Irawati
Buletin Kebun Raya Vol 14, No 1 (2011): Buletin Kebun Raya Vol. 14 (1) Januari 2011
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Amorphophallus titanium Becc. atau bunga bangkai memperbanyak diri secara alami melalui bijinya, tetapi karena pemasakan bunga betina dan jantan tidal bersamaan waktunya, maka jarang dijumpai buah/bijinya. Perbanyakan secara vegetatif diharapkan dapat dimanfaatkan untuk mempertahankan keragaman genetiknya. Eksplan dari tunas samping umbi Amorphophallus titanum yang berasal dari Lembah Anai, Sumatera Barat ditumbuhkan pada media Murashige-Skoog (MS) and Gamborg B5 dengan penambahan 0,1 mg/I NAA and 1 mg /IBA, dengan dan tanpa 1 mg/I 2,4-D atau 0,1 mg/I NAA dan 0,01 mg/I Kinetin. Penambahan arang aktif tidal< mempengaruhi pertumbuhan tunas dan daun. Selanjutnya kultur yang ditumbuhkan pada media MS dengan penambahan berbagai kadar trans-Cinnamic Acid (t-CA) dan Kinetin dapat menumbuhkan tunas tunggal ataupun ganda dari pucuknya. Kultur yang berasal dari kalus, akar atau potongan pelepah daun pertumbuhan tunasnya terbatas. Media terbaik untuk pertumbuhan tunas akar dan umbi pada media mengandung 0,3 mg/I NAA dan 0,03 mg/I Zeatin.
Rafflesia patma (RAFFLESIACEAE): NOTES ON ITS FIELD STUDY, CULTIVATION, SEED GERMINATION AND ANATOMY Mursidawati, Sofi; Irawati, Irawati; Ngatari, Ngatari
Buletin Kebun Raya Vol 17, No 1 (2014): Buletin Kebun Raya Vol. 17 (1) Januari 2014
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Rafflesia spp. (Rafflesiaceae) have a strategic value from both scientific and conservation viewpoints. To date only very few attempts have succeeded in growing the species ex situ and the main protection measures have been by in situ conservation. More detailed studies are required to understand the relationships between Rafflesia spp. and their host plants in order to improve their management and conservation. Studies on the anatomy, in vitro culture and seed germination in connection with conservation have been conducted in the Bogor Botanic Gardens. Effort to transfer Rafflesia patma to an ex situ conservation area has produced some flowers. However, we encountered a bigger challenge to maintain the long term presence of R. patma in ex situ conservation, since a high number of individuals is required to make the viable population.
VARIASI SERAPAN KARBONDIOKSIDA (CO2) JENIS-JENIS POHON DI “ECOPARK”, CIBINONG DAN KAITANNYA DENGAN POTENSI MITIGASI GAS RUMAH KACA Hidayati, Nuril; Mansur, M.; Juhaeti, Titi
Buletin Kebun Raya Vol 16, No 1 (2013): Buletin Kebun Raya Vol. 16 (1) Januari 2013
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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This research aims to assess the contribution of biological diversity in CO2 absorption by analyzing the physiological characteristics (CO2 absorption, transpiration, stomatal conductance, leaf chlorophyll content) of tree species in a conservation area of “Ecopark”, Cibinong. The results were meant to provide information on CO2 absorption of some tree species suitable for revegetation. The results showed that there was a wide range of variation of CO2 assimilation rate among tree species. The overall CO2 assimilation rate ranged from 2.86 to 16.45  µmolm-2s-1. The highest CO2 absorption was Pometia pinnata (16.45  molm-2s-1), followed by Garcinia xanthochymus (11.40 µmolm-2s-1), Syzygium polyanthum (10.99 µmolm-2s-1), Syzygium polycepaliodes (10.89 µmolm-2s-1), and Palaquium obtusifolium (10.41 µmolm-2s-1). Transpiration rate was recorded between  1.29 mmolm-2s-1 (Maniltoa grandiflora)  and 7.85 mmolm-2s-1 (Euphoria longan). The rate of CO2 assimilation was affected by solar radiation and thus the quantum leaf (Q leaf), stomatal conductance, as well as leaf chlorophyll content. Trees species that have characteristics of high CO2 absortion and efficient in maintaining water balance (low transpiration rate), are suitable for green house gas mitigation.  

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