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INDONESIA
BERITA BIOLOGI
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 2,125 Documents
 86   87   88   89   90 
POLA KANDUNGAN PARASIT PADA TKUS-TIKUS DI KEBUN RAYA BOGOR KADARSAN, S.; PURWANINGSIH, E.; HARTINI, S.; BUDIARTI, I.; SAIM, A.
BERITA BIOLOGI Vol 3, No 4 (1986)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i4.1343

Abstract

S. KADARSAN, E. PURWANINGSIH, S. HARTINI, I.BUDIARTI & A. SAIM 1986. The pattern of parasite infestation on rats at the Bogor Botanical Garden.Berita Biologi 3(4): 173 - 177. Three species of rats namely Rattus exulans, R. r. diardi and R. tiomanicus inhabiting the Bogor Botanical Garden were investigated with respect to their ectoand endoparasite fauna.All three species were infested with Laelaps nutalli, Echinolaelaps echidninus (Acarina); Hoplopleura pacifica and Polyplax reclinata (Anoplura); Xenopsylla cheopis (Siphoriaptera);Hydatigera taeniaefortnis and Viktorokara sp.(Helminth).Additional parasites were Poecilochinis sp., Polyplax spinulosa and Beaveria sp.,a new and yet to be described Troglotrematid Trematode found only R.tiomanicus.The rate of infestation is in part dependent on the age and sex of the host which is seemingly associated with the mobility and food searching capability of the host Time may play an additional role as well.
PERUBAHAN SIFAT KIMIA BUAH AVOKAD PADA BEBERAPA SUHU PENYIMPANAN UTAMI, N.W; SUTARNO, H.; CITROREKSOKO, P.S.
BERITA BIOLOGI Vol 3, No 4 (1986)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i4.1428

Abstract

N.W UTAMI, H.SUTARNO&P.S.CITROREKSOKO.1986.Changes of chemical constituents of avocado fruits as affected by various storage temperatures.Berita Biologi 3(4) 163-166.Effects of storage temperatures on avocado fruits were observed in laboratoty at 25 °C,28± 1°C and 33°C for 0,4,7 and 12 days,Results of these experiment were intended to know the best quality of the fruits during the storage period.The results indicated that the best quality of the fruits was stored at 31 °C for 7 days.The biochemical content such as carotenoid was 1198.31 1.U.vitamin A,Whereas the oil content was 12.07% and the decomposition of the oil ws very slow
PERSEBARAN DAN HABITAT PERSINGGAHAN BURUNG MIGRAN DI KABUPATEN NATUNA PROVINSI KEPULAUAN RIAU Haryoko, Tri
BERITA BIOLOGI Vol 13, No 2 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i2.696

Abstract

Indonesia has become an important part in the flyway of migratory birds due to the existing of high variety of habitat types that support for their life.Until now, the migratory birds records from Natuna Regency, which is the border area of Indonesia located in the South China Sea, are limited. This study was aimed to determine distribution and stopover habitat of migratory birds in the Natuna Regency area. The study was conducted in 2011 and 2013.Result from observations showed 14 species of migratory birds that belongs to five district birds families were identified in this area.They were Ardeidae (two species), Charadriidae (four species), Scolopacidae (six species),Laridae(one species) and Hirundinidae (one species).Southern Bunguran area has the highest record of migratory birds than other regions in Natuna. The migratory bird used four types of stopover habitat in Natuna Regency. i.e mangrovs, coastal, lakes / wetlands and other open areas.
AKTIFITAS BIOREPRODUKSI GENERATIF DAN KEMUNGKINAN OTOFERTILISASI PADA BUNGA BEBERAPA JENIS ZINGIBERACEAE MINOR LIAR Rachman, Erlin
BERITA BIOLOGI Vol 4, No 2&3 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i2&3.1283

Abstract

ApreBminary study on flowers of some wild-minor Zingiberaceae species was conducted to know their generative reproduction andpossiblefertilisation mechanism. Nine species from five wild-minor Zingiberaceae genera grown in Bengkulu Forestry Grand Park :Achasma macrocheilos Griff., A.triorgyale Bak.,Amomum aculeatum Roxb.,A.maxima Roxb.,A.testaceum BJdl, Homstedtia minor VaL, H. scyphus Ret.Nicolaia speciosa Bl, and Zingiber aromaticum VaL, were in situ observed. As much as 90% of the species were found in flowering stage in the study periods, between September and December 1995, 75% of the plants set fruit and seed while 25% set seeded fruit according to native people from neighbour village. All of the flowers showed that many spikelet might be anthesi edper spike per day and were terminally heated on non leafy "stem".Some stigmas observed were occupied by some pollens though pollinator was absent. In addition, stigma - anther distances were very near (0-3 mm).We found that generative bioreproduction was active and productive and autofertili^ation mechanism might be considered to be occurred on the species.
PENYEBARAN JENIS TIKUS DI KEBUN RAYA BOGOR TAPPA, B.; ADISOEMARTO, S.
BERITA BIOLOGI Vol 3, No 1 (1985)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i1.1366

Abstract

B. TAPPA & S. ADISOEMARTO. 1985. Rat distribution in the Bogor Botanic Garden. Berita Biologi 3 (1) : 5 - 7. A study on rat distribution in the Bogor Botanical Garden was conducted in dry and wet season for one year period. Live-trapping was placed at habitat ten types. Three rats species were recorded during the study, i.e. Rattus tiomanicus, R.r. diardii and R. exulans. R. tiomanicus was found to be the most predominant species and its population more abundant than R.r. diardii and R. exulans. R. tiomanicus typically was captured at trap stations characterized by bamboo clumps, bananas and palms vegetation. R.r. diardii generally was trapped at stations with block housing area. R. exulans occupied may occur on some types of habitat.Analysis of rat distribution related trapping period wa s als o discussed
STATUS PENELITIAN CENDANA DI PROPINSI NUSA TENGGARA TIMUR Surata, I Komang; Idris, Maman Mansyur
BERITA BIOLOGI Vol 5, No 5 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i5.1460

Abstract

Cendana (Santalum album L.) adalah hasil hutan yang tergolong sangat penting dari Propinsi Nusa Tenggara Timur (NTT), karena merupakan spesies endemik yang terbaik di dunia dan mempunyai nilai ekonomi tinggi. Dewasa ini populasinya sudah semakin menurun. Oleh sebab itu dalam pemanfaatan perlu segera diikuti upaya pelestarian. Untuk mewujudkan upaya tersebut sebagaimana yang diharapkan, dukungan teknologi sangat diperlukan. Balai Penelitian Kehutanan (BPK) Kupang yang berkedudukan di daerah inti produksi cendana telah berupaya secara sungguh-sungguh untuk menyediakan teknologi yang dibutuhkan lewat kegiatan penelitian. Paket-paket teknologi hasil penelitian cendana yang telah dihasilkan dan sudah dapat diujicobakan untuk pengembangannya di lapangan antara lain teknik pembuatan Hutan Tanaman dengan menggunakan sistem tumpangsari, pengelolaan tegakan alam lewat permudaan tunas akar yaitu dengan pemotongan akar lateral pohon induk cendana dan teknik penggalian tunggak akar yang dilaksanakan saat penebangan, penentuan target tebangan tahunan yang berdasarkan data jumlah pohon masak tebang, kandungan teras dan daur/umur pohon cendana. Dalam rangkamendapatkan benih cendana dengan kualitas dan kuantitas yang memadai dewasa ini upaya pemuliaan pohon cendana telah mulai dilakukan. Kegiatan yang sedang berjalan antara lain pemilihan calon pohon plus, uji keturunan, uji provenan, teknik kultur jaringan,penunjukan tegakan benih dan pembangunan kebun benih. Adapun hasil sementara kegiatan ini telah dilakukan penunjukan pohon plus sebanyak 175 pohon beserta uji keturunanya di Pulau Timor, pembangunan kebun benih seluas 4 ha, kultur jaringan cendana seperti pengembangan eksplan, pengakaran dan pembentukan kalus, dari kultur jaringan, uji provenansi dan penunjukan tegakan benih. Sebagian besar penelitian ini berlangsung dalam jangka panjang. Kebijakan pengelolaan cendana di NTT yang diatur oleh PERDA No.16 tahun 1986 masih rendah memberikan kontribusi bagi upaya pelestarian cendana secara berkelanjutan. Oleh karena itu aturan ini perlu disempurnakan agar dapat menguntungkan masyarakat dan pemerintah agar mampu mendorong partisipasi masyarakat dalam upaya pelestarian cendana. Paket-paket teknologi yang dihasilkan BPK Kupang yang sudah siap untuk dikembangkan perlu diangkat menjadi kebijakan dalam rangka membantu pelestarian cendana.
TOKSISITAS AKUT ORAL DUA SENYAWA BISANTRAKUINON (+)-2,2’-EPISITOSKIRIN A DAN (+)-1,1’-BISLUNATIN [ORAL ACUTE TOXICITY OF TWO BISANTHRAQUINONES (+)-2,2’-EPICYTOSKYRIN A AND (+)-1,1’-BISLUNATIN] Praptiwi, Praptiwi; Nurkanto, Arif; Wulansari, Dewi; Agusta, Andria
BERITA BIOLOGI Vol 14, No 1 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v14i1.1858

Abstract

Bisanthraquinones (+) - 2,2'-epicytoskyrin A and (+) -1,1'bislunatin produced by the endophytic fungus Diaporthe sp. GNBP-10 showed potent antibacterial activity on in-vitro test and have the opportunity to become new antibiotics candidates. The aspects of safety and toxicity of drug candidates have to be examined before applying to human. This study was conducted to determine the safety aspects of the compounds through acute oral toxicity testing in mice (Mus musculus). Acute toxicity of (+) - 2,2'-epicytoskyrin A and (+) - 1,1'-bislunatin evaluated by the method of Up and Down Procedure with limit test at a dose of 2000 mg / kg. Results of acute toxicity test showed that the LD50 of (+) - 2,2'-epicytoskyrin A and (+) - 1,1'-bislunatin were of 1638.87 mg / kg and > 2000 mg / kg respectively. Administration of (+)- 2,2'-epicytoskyrin A resulted in increased miliari multifocal hepatitis, fatty degeneration and necrosis of liver cells, and the renal tubule epithelial degeneration. Administration of (+) - 1,1'-bislunatin at a dose of 2000 mg / kg resulted in multifocal accumulation of inflammatory cells in the liver and degeneration of cells in the islets of Langerhans although not resulting in death. The administration of those compounds indicated the changes in the organs, but based on the UN/ECE classification of LD50 value showed that (+) 2,2'- epicytoskyrin A and (+) -1,1'-bislunatin included as low acute toxicity substance.
SUKU BALSAMINACEAE DI JAWA: STATUS TAKSONOMI DAN KONSERVASINYA Utami, Nanda
BERITA BIOLOGI Vol 13, No 1 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i1.653

Abstract

Study on the taxonomy and conservation status of Balsaminaceaein Java has been carried out. Based on the literature study, herbarium specimen deposited at Herbarium Bogoriense-LIPI (BO) and several field works in Java, there were two genera of Balsaminaceae found in Java namely, the monotypic Hydrocera triflora and the prolific Impatiens. The Impatiens consisted of seven species, i.e. Impatiens arriensii, I. chonoceras, I. radicans, I. javensis, I. wallerana, I. Platypetala and I. balsamina. Three species among them, Impatiens arriensii, I. radicans and I. Chonoceras were endemic and threatened in their habitat, while I. microceras has been extinct in the wild.The species Impatiens arriensiiwas transferred from the genus Semeiocardium.
PENYEBARAN DAN EKOLOGI MLINJO (GNETUM GNEMON L.) DI KRAKATAU PARTOMIHARDJO, T.
BERITA BIOLOGI Vol 3, No 5 (1986)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i5.1334

Abstract

T. PARTOMIHARDJO.1986. Distribution and ecology of mlinjo (Gnetum gnemon L.)in Krakatau.Berita Biologi 3 (5): 219-224.A study on distribution and ecology of mlinjo in Krakatau was conducted during two months.Two plots were placed at different sites on the mlinjo population. According to the reconnaissance throughout the area, indicated that mlinjo has grown well in the lower area under 50 m above sea level.All the seed lings of mlinjo within 400 sq.m around the adult tree were mapped showing that the distribution was clumped and that are fewer seedlings within further way than under a flowering/fruiting adult.There was no male individu of mlinjo recorded in the Krakatau Islands.
HISTOLOGI PENYAKIT JAMUR PADA DAUN KECIPIR KRAMADIBRATA, KARTINI
BERITA BIOLOGI Vol 2, No 9&10 (1984)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v2i9&10.1416

Abstract

Akhir-akhir ini kecipir Psophocarpus tetragonolobus (L.) DC menarik perhatian dan menjadi penting artinya karena dinilai mempunyai potensi ekonomi dan nilai gizi tinggi bagi daerah tropik. Hampir seluruhbagian ianamanini - seperti polong muda, biji, kadang-kadang daun muda serta bunganya dan bahkan pada beberapa kultivar juga umbinya dapat dimakan.Masefield (1961) melaporkan kemampuan akar kecipir untuk meinbentuk bintil akar yang banyak dan besar.Sampai saat ini budidaya kecipir belum dilakukan sebagai tanaman utama, tetapi hanya sebagai penyela di pematang sawah ataupun di pekarangan bersama tanaman sayuran dan kacang-kacangan lainnya. Sekalipun demikian ternyata kecipir tidak luput daripada serangan hama dan penyakit. Karena itu penelitian mi diiakukan untuk mengumpulkan data jenis-jenis jamur yang menyerangnya dan menentukan sampai berapa jauh jamur ini masuk ke dalam jaringan daun terserang penyakit itu.

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