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INDONESIA
Buletin Kebun Raya
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
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.
Arjuna Subject : -
Articles 187 Documents
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ANALISIS PENGARUH PEMUPUKAN TERHADAP TINGKAT KESINTASAN DAN PERTUMBUHAN BIBIT GAHARU (Aquilaria microcarpa Baill.) Sahromi, Sahromi; Wahyuni, Sri; Pribadi, Didit Okta
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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Abstract

Treating gaharu (Aquilaria microcarpa) seedlings with inorganic fertilizers is essential to obtain vigorous seeds with high adaptability for establishment on the field. The aims of this research were to find out the effect of fertilization on the survival and growth rate of Aquilaria microcarpa seedlings and to identify appropriate dosage of fertilizer that could increase the growth optimally. Complete Random Design was employed with two treatments i.e. using root fertilizer (Urea, TSP, KCL) with 5 dosage levels and using leaf fertilizer (Gandasil D and Bayfolan) with 7 dosage levels. Data was analyzed by using statistic descriptive and analysis of variance (ANOVA) method. The parameters used were seedling survival rate, height increase and number of leaves. The result showed that the two fertilizers could increase survival rate of the seedling. However, higher dosage of root fertilizer was followed by lower survival rate. The treatment using root fertilizer had a significant effect on the number of leaves, whereas treatment using leaf fertilizer had a significant effect on the increase of the seedling height. Adding leaf fertilizer is considered more useful in terms of survival and growth rate.
THE USEFULNESS OF ECOLOGICAL NICHE CONCEPTS IN UNDERSTANDING PLANT COMMUNITIES Robiansyah, Iyan
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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Abstract

Plant communities have been attracting many scientists due to their complexity and unclear underlying mechanisms that support it. How large numbers of competing plant species manage to coexist, for instance, is one of the major unresolved questions in plant community ecology. Ecological niche concept is a classical theory which tries to address this question. The development of this concept will be presented in this paper. Recent studies, although few in number and incomplete in many ways, do suggest that plants segregate along various environmental niche axes. Although it is unlikely that niche separation along environmental axes is the only mechanism of coexistence in any large community, the evidence now suggests that ecological niche concept plays a more significant role than has been previously appreciated.
STUDY AUTEKOLOGI PRANAJIWA (Euchresta horsfieldii (Lesch.) Benn.) DI BUKIT PENGELENGAN, DESA PANCASARI, KECAMATAN SUKASADA, KABUPATEN BULELENG, BALI Darma, I Dewa Putu; Tirta, I Gede; Ardaka, I Made
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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Abstract

Pranajiwa (Euchresta horsfieldii (Lesch.) Benn) is a medicinal plant, which is growing wild and it is regarded as a rare plant. Currently, its existence in the wild increasingly threatened. Pengelengan Hill is one of the natural habitats of E. horsfieldii in Bali. Study of autecology aims to describe the ecology of E. horsfieldii in their natural habitat. E. horsfieldii was found abundant in plots II with 16.02% relative density, 9.68% of relative frequency and 25.69 of Important Value, grow clumped together with other plants (Idk 2.72).
PENGARUH JENIS MEDIA DAN ZAT PENGATUR TUMBUH ATONIK TERHADAP PERKECAMBAHAN SPORA DAN PEMBENTUKAN SPOROFIT Lygodium circinnatum (Burm.f.) Sw. (SCHIZAEACEAE) Siregar, Mustaid; Ardaka, I Made; Siregar, Hartutiningsih M
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

Lygodium circinnatum (Burm.f.) Sw. adalah sejenis paku merambat (Schizaeaceae) yang batangnya banyak digunakan sebagai bahan untuk industri kerajinan tangan. Belakangan ini pasokan bahan bakunya mengalami penurunan akibat menurunnya populasi di alam. Tumbuhan ini belum dibudidayakan, sehingga perlu dilakukan tindakan konservasi termasuk upaya perbanyakannya. Penelitian ini bertujuan untuk mengetahui pengaruh jenis media dan Atonik terhadap perkecambahan spora dan pembentukan sporofit L. circinnatum. Dua jenis media yang diuji adalah: a) lumpur sawah dan b) campuran akar kadaka dan bubuk batu bata. Penelitian dilakukan di dalam rumah kaca menggunakan rancangan acak lengkap. Hasil penelitian menunjukkan bahwa media lumpur sawah secara signifikan berpengaruh terhadap perkecambahan dan pembentukan sporofit, tetapi harus diikuti dengan upaya penjarangan pada sporofit. Tingginya kepadatan sporofit dapat menghambat pertumbuhan gametofit menjadi sporofit. Penggunaan media lumpur sawah yang diberi Atonik pada konsentrasi 1,5 ml l-1 dapat disarankan untuk perkecambahan dan pembentukan sporofit L. circinnatum.
STUDI KERAGAMAN JENIS, KANDUNGAN GIZI ESENSIAL DAN KALSIUM OKSALAT DIOSCOREA DI PULAU BALI DAN LOMBOK Wibawa, I Putu Agus Hendra; Kurniawan, Agung; Adjie, Bayu
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

Dioscorea tuber has many benefits, for example as food or as traditional medicine. The high carbohydrate and protein contents make this plant suitable as a food. However, the presence of crystal oxalate, that causes irritation is an disadvantage aspect on the development of this species. Both of wild and cultivated species will assure the gene flow which is important in efforts to improve the tuber quality should be examine further.  This research aimed to observe the biodiversity of Dioscorea in Bali and Lombok, to recognize the utilization and to reveal their nutrients (carbohydrate, protein and fat) and also the contents of calcium oxalate. The results showed that there are five Dioscorea spesies, namely  Dioscorea alata L. (ubi) (11 cultivars), Dioscorea esculenta (Lour.) Burkill (ubi aung), Dioscorea hispida Dennst. (gadung), Dioscorea bulbifera L. and Dioscorea pentaphylla L.   The highest carbohydrate content (87,42% ) is found in D. alata (ubi ungu cultivar) from Lombok,  while the highest protein content (5,05%.) is found in D. alata (ubi dadap cultivar) from Singaraja, Bali.  Furthermore, the highest percentage of fat content (0,85%) is found in D. bulbifera from Karangasem, Bali, whereas the high quantity of glaucomannan (44,52%.) id found in D. pentaphylla from Tabanan, Bali, while D. esculenta from Jembarana, Bali has the  highest calcium oxalate (0,57%), and D. alata (ubi injin cultivar) from Karangasem, Bali has the least calcium oxalate (0,18%).
Pertumbuhan dan Perkembangan Bibit Rhyncostylis retusa L. (Bl.) (Orchidaceae) pada Konsentrasi Fosfor (P) Berbeda Nurfadilah, Siti
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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Phosphorous (P) is one of the essential minerals for plant growth and development.  The aim of this study is to investigate the effect of Phosphorous on Rhyncostylis retusa seedlings in in vitro culture and to investigate the optimum P concentration for growth and development of the plantlet. Protocorms derived from seed were inoculated on KC (Knudson C) media with a range of P concentrations (0 mM; 0.42 mM; 0.84 mM, and 1.2 mM). The result showed that phosphorus influenced the growth and the development of R. retusa seedlings. Growth and development of the seedlings were inhibited on control treatment (0 MM), while seedlings on P concentration of 0.42 mM; 0.84 mM, and 1.2 mM grew better.
TYPES OF DICHOGAMY, BREEDING SYSTEMS AND POLLEN LIMITATION ON Aeschynanthus pulcher (Blume) G.Don. (GESNERIACEAE) Rahman, Wiguna
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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Abstract

Observasi tentang tipe dikogami, sistem penyerbukan, dan keterbatasan serbuk sari telah dilakukan pada populasi Aeschynanthus pulcher di Kebun Raya Cibodas. Pengamatan fenologi bunga dilakukan untuk menentukan tipe dikogami. Dalam rangka menentukan sistem perkawinan dan keterbatasan serbuk sari, lima perlakuan penyerbukan telah dilakukan yaitu penyerbukan bebas sebagai kontrol, penyerbukan silang, penyerbukan sendiri, autogami, dan agamospermi. Hasil pengamatan menunjukkan bahwa dikogami pada A. pulcher adalah protandri, tidak sempurna dan durasi tampilan serbuk sari dan stigma reseptif masing-masing yaitu 3-9 hari dan 6-12 hari. A. pulcher merupakan tumbuhan yang dapat membuahi sendiri, sedangkan proses autogami dan agamospermi tidak terjadi. Sindrom keterbatasan serbuk sari pada populasi A. pulcher yang diamati diindikasikan terjadi. Derajat keterbatasan serbuk sari pada A. pulcher mencapai 0.79-0.80. Tiga faktor yang dapat menyebabkan keterbatasan serbuk sari adalah (1) kompetisi antar jenis tumbuhan yang berbunga bersamaan, (2) perilaku berbunga dalam satu periode yang sama, dan (3) kompetisi antara polinator dan pencuri nektar.
STATUS TAKSONOMI, DISTRIBUSI DAN KATEGORI STATUS KONSERVASI MAGNOLIACEAE DI INDONESIA Rozak, Andes Hamuraby
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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The Family of Magnoliaceae is one of the most primitive taxa in the world.  Knowledge of this family is essential for studies on the origin, evolution and systematics of Angiosperms.  There are 223 species belongs to this family in the world and 25 of them are found in Indonesia. This paper explains taxonomy, distribution, and conservation status of the family Magnoliaceae in Indonesia.
IN VITRO CULTURE OF HOLOPARASITE Rafflesia arnoldii R. Brown Sukamto, Lazarus Agus; Mujiono, Mujiono
Buletin Kebun Raya Vol 13, No 2 (2010): Buletin Kebun Raya Vol. 13 (2) Juli 2010
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Abstract

Potongan kuncup bunga digunakan sebagai eksplan yang ditumbuhkan pada media dasar Murashige and Skoog (MS) dengan tambahan 0; 0.1; 0.5; 1 and 5 mg/I 2,4-D atau Picloram dan 2 g/I Phytagel. Eksplan tumbuh menjadi kalus pada media yang ditambahkan 0,1 dan 1 mg/I 2,4-D atau 0,5 dan 1 mg/I Picloram. Kultur kalus tersebut dipelihara pada media MS + 1 mg/I 2,4-D. Kemudian kalus ditumbuhkan pada medium dengan penambahan 1, 3, 5 dan 10 mg/I 2,4-D atau Picloram. Setelah dua bulan 66,67-100% kultur membentuk kalus. Semua kalus berstruktur kompak. Beberapa kalus yang diperlakuan dengan 5-10 mg/I 2,4-D menumbuhkan benang-benang putih pada permukaannya. Perlakuan Picloram menghasilkan kalus yang lebih banyak, tetapi 2,4-D menghasilkan kualitas kalus yang lebih baik. Kalus R. arnoldii tidak membentuk somatik embrio dengan penambahan 0,1 mg/I Zeatin dalam media kultur. Ini adalah laporan yang pertama kali tentang pembentukan kalus dari kultur R. arnoldii secara in vitro.
ANATOMI DAUN PIPERACEAE DARI KAWASAN GUNUNG SLAMET, JAWA TENGAH Fatmawati Tihurua, Eka; Puji Astuti, Inggit; Ridho Witono, Joko
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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Leaf anatomy of Piperaceae from Gunung Slamet, Central Java has made with standard  paraffin and paradermal method. The results showed that Piperaceae has dorsiventral leaf, hypostomatatic or amphistomatatic, tetracytic and cyclocytic stomata type. Hypoderm tissue exist in upper and/or lower part of leaf, mesophyll was arranged by 1-2 layers of palisade and 2-7 layers of sponge tissue. There were 3 types of trichome i.e. glandular trichome which had globose cell with short stalk, bicellular glandular trichome and multicellular & uniseriate non-glandular trichome. The shape of the crystal of Piperaceae from gunung Slamet are sand, needle, drusse or prismatic which distributed in hypodermis, mesophyll and midrib. Piperaceae petiole was arranged by open or sometimes closed circle vascular bundles. These open vascular bundles were crescent shape or resemble to U and V shapes. 

Page 4 of 19 | Total Record : 187

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