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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
 77   78   79   80   81 
PENGARUH PENGERINGAN DAN SUHU PENYIMPANAN TERHADAP DAYA HIDUP BIJI KEMUNING (MURRAYA PANICULATA) WULIJARNI, N.; SOETJIPTO, SOETJIPTO
BERITA BIOLOGI Vol 3, No 8 (1988)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i8.1313

Abstract

N.WULIJARNI-SOETJIPTO.1988. Effect of drying and storage temperature on the viability of kemuning(Murraya panicuhta) seeds, Berita Biologi 3(8): 424 - 429.Seeds of kemuning {Murraya paniculata (L.) Jack) were dried under room temperature (28°±2°C),and then stored for a duration of 9 weeks at 28°, 10°, 4° and - 10°C. The seeds remained fully viable when the moisture content was reduced to 5%. After storage at 10° or 4°C the seeds having 5% moisture content remained almost fully viable.Their viability decreased to around 60% at - 10°C, and less than 40% at 28°C.Seeds having higher moisture contents still maintained their viability after being stored at 10°C. However, they lost their viability when stored at higher or lower temperatures.It appeared that the seeds contained much higher percentage of saturated fatty acids compared with the unsaturated fatty adds. It is concluded that the kemuning seeds do not tend to follow the behaviour of true orthodox seeds,since they do not seem to withstand subfreezing temperature although they may toleratev drying.
PENGARUH PUPUK TERHADAP PERTUMBUHAN AZOLLA ABDULKADIR, SUBADRI
BERITA BIOLOGI Vol 2, No 4 (1979)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (146.874 KB) | DOI: 10.14203/beritabiologi.v2i4.1396

Abstract

Di antara tumbuhan air yang biasa terdapat di sawah, Azolla (yang dalam bahasa daerah disebut lukut cai, kiapu, bang apu atau kiambang) merupakan salah satu tumbuhan yang mempunyai keistimewaan tersendiri karena kemampuannya dalam menambat nitrogen. Dalam keadaan yang optimal tumbuhan paku air ini dapat menambat nitrogen sebesar 7,2 mg N/g berat kering/hari (Brotonegoro & Abdulkadir 1976). Kemampuan ini dapat menerangkan mengapa Azolla dapat tumbuh dan memperbanyak did pada perairan yang kurang subur. Di samping mampu menambat nitrogen, Azolla dapat terurai dengan melepaskan senyawa N dalam tanah yang lembab atau tergenang (Brotonegorp & Abdulkadir 1978). Senyawa N yang dilepaskan tadi dapat diserap oleh tanaman padi atau tanaman lainnya, sehingga Azolla telah dipakai sebagai pupuk hijau di Vietnam dan Muangthai (Saubert 1949; Moore 1969). Untuk itu diperlukan Azolla dalam jumlah yang besar, sebab tumbuhan ini mengandung air sekitar + 95% berat basahnya dan kandungan N- totalnya sekitar ±3-5% berat keringnya.Keperluan yang besar itu mungkin dapat terpenuhi jika keadaan pertumbuhannya di sawah, parit dan danau sebaik beberapa tahun yang silam. Di Jawa khususnya, sejak beberapa tahun terakhir ini populasi Azolla menurun sangat menyolok. Sekarang untuk mendapatkan populasi Azolla yang melimpah dan terhampar menyerupai permadani sukar sekali.
EBONI DAN HABITATNYA Allo, Merryana Kiding
BERITA BIOLOGI Vol 6, No 2 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (376.144 KB) | DOI: 10.14203/beritabiologi.v6i2.1492

Abstract

Eboni (Diospyros celebica Bakh.) merupakan komoditi primadona dari hutan Sulawesi.Dunia mengenal bahwa jenis pohon eboni hanya dapat dijumpai tumbuh di hutan-hutan Sulawesi yang masuk ke dalam wilayah Wallacea.Lingkungan merupakan syarat dari suatu kondisi ekosistem bagi pertumbuhan suatu jenis tumbuhan, jadi pengetahuan tentang habitat suatu jenis merupakan dasar bagi kegiatan pengembangan eboni.Dengan menggunakan cara 'purposive' sesuai keberadaan kelompok eboni di alam, ditemukan bahwa eboni dapat tumbuh dan berkembang optimal pada ketinggian tempat mulai dari 60 m sampai 450 m di atas permukaan laut, kemiringan 10° sampai 30°,tanah-tanah bertekstur lempung, liat dan berpasir tanpa genangan, pH tanah agak masam yaitu 6,44, tipe iklim A dengan curah hujan berkisar 2000 - 2500 mm per tahun dengan suhu rata-rata 26,6°C dan kelembaban rata-rata 93%.Eboni umumnya ditemukan hidup berasosiasi dengan jenis-jenis tumbuhan yang berasal dari famili Rubiaceae.
CEMARAN BAKTERI PATOGENIK PADA SUSU SAPI SEGAR DAN RESISTENSINYA TERHADAP ANTIBIOTIKA Kusumaningsih, Anni; Ariyanti, Tati
BERITA BIOLOGI Vol 12, No 1 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (89.747 KB) | DOI: 10.14203/beritabiologi.v12i1.513

Abstract

Fresh milk is a beverage with high protein contents that can be consumed either directly or as ingredient supplement into safely and healthy food. However, the milk also as a good media for development of pathogenic bacteria that also dangerous for human health. The aim of this research was to determine pathogenic bacteria contamination in fresh milk and its antibiotic resistance profiles to several antibiotics. Fresh milk samples were taken from milk cans belong to the farmers at 34 dairy cows centre in Cibungbulang, Bogor, West Java. The quantitative determination was conducted on 34 milk samples. Several parameters examined were based on the Indonesian Nasional Standard (Standar Nasional Indonesia/SNI) No. 01-3141-1998 for Fresh Dairy Milk and SNI No. 7833-2009, such as total bacteria and coliform. The qualitative examination result for isolation and identification of bacteria were found that the milk samples consisted of 41.18% E. coli, 23.53% Streptococcus Gorup B, 8.82% Staphylococcus aureus, and none for Salmonella. The antibiotic resistence profiles were tested to 5 antibiotics. It showed that Escherichia coli isolates were resitance to penicilline (14.3%), oxytetracycline (21.4%), chloramphenicole (57.1%), and streptomycin (28.6%), whereas those Streptococcus Group B isolates were resistance to penicilline (12.5%), Oxytetracycline (37.5%), chloramphenicole (25.0%), streptomucin (87.5%), and ciprofloxacin (87.5%). Multiresistance of E. coli were found against 2 antibiotics, whereas Streptococcus against 2-3 antibiotics. This research indicated that fresh milk samples taken from farmers at Cibungbungang, Bogor were contaminated with several pathogenic bacteria and mostly highly resistance to 5 antibiotics testing.
IDENTIFIKASI KERUSAKAN TUMBUHAN INANG OLEH PARASIT Dendtopthoepentandra (L.) Miq. (Loranthaceae) : SEBUAH STUDI KASUS DITAHURA BENGKULU Sunaryo, Sunaryo
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 | Full PDF (335.393 KB) | DOI: 10.14203/beritabiologi.v4i2&3.1280

Abstract

The Mistletoe o/Dendrophthoe pentandra (Loranthaceae) growing on several plant collection at Taman Hutan Raya Bengkulu.Thirty one infected and uninfected branches of five host species were observed, i.e.Archidendron bubalinum(Leguminosae),Rhodamnia cinerea (Myrtaceae),Dillenia excelsa (Dilkniaceae),Aporosa aurita (Euphorbiaceae) and'Vitex pinnata (Verbenaceae).The results showed that the host tissue can be destroyed through penetration and development of primer haustorium.Moreover, in the natural conditions, the mistletoe causes degradation of the distal part of the infected branches.
PEMILIKAN TERNAK DI LINGKUNGAN PEKARANGAN TELUKNAGA, CITEUREUP DAN PACET ADISOEMARTO, S.; WALUJO, SRI PARYANTI; NOERDJITO, WORO A.
BERITA BIOLOGI Vol 3, No 2 (1985)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (345.287 KB) | DOI: 10.14203/beritabiologi.v3i2.1364

Abstract

S. ADISOEMARTO, SRI PARYANTI-WALUJO& WORO A.NOERDJITO. 1985. Domestic animal ownership within the kitchen gardens in Teluk naga, Citeureup and Pacet.Berita Biologi 3(2) : 70- 75. Surveys on domesticated animals in kitchen gardens were conducted in Teluknaga,Citeureup and Pacet in West Java in the middle of 1980.There were 13 kinds of animals listed. Each kind of these animals has been analysed on the bases of number of owners,rearing intensity and pattern of distribution in each locality. The most popular and widely distributed animals were chickens. This animal might be crowned as the "prima dona" of the kitchen garden environment.
KEANEKARAGAMAN DAN KELIMPAHAN ANGGREK EPIFIT DI KAKI GUNUNG LIANGPRAN, KALIMANTAN TIMUR Effendi, Surianto; Ariyanti, Nunik Sri; Chikmawati, Tatik
BERITA BIOLOGI Vol 18, No 3 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3545.515 KB) | DOI: 10.14203/beritabiologi.v18i3.3709

Abstract

Liangpran Mountain is located within the Heart of Borneo (HoB) Conservation Area which has high biodiversity. The exploration of orchids has been carried out in several locations in the HoB region and recorded a high diversity of wild orchid. This research was conducted to explore and inventory the orchids from the foothill of Mount Liangpran, and record  the diversity and abundance of epiphytic orchids in the study sites. This research was carried out by making track of exploration along the Nuyung river estuary to the Tebing Lapah. The richness and abundance data were collected in three plot of 1000 x 20 m. The host tree characteristics and distribution of epiphytic orchid on the host tree were recorded. Fourteen species orchids were collected, and the most dominant are Coelogyne asperata and Agrostophyllum stipulatum with an abundance of 23.53% each. The epiphytic orchids in host trees are spread from the zone II to V based on the Johansson?s sections, in which zone IV is the most diverse. Nine species of the host trees associated with the collected orchids were identified and grouped into five families. The characters of host trees are 7?57 m height,12?112 cm diameters, and 2 types of bark surfaces (rough and intermediate). 
PERTUMBUHAN BEBERAPA JENIS LEGUMINOSA TUMBUH-CEPAT DI LAPANGAN SETELAH SEMABSfYA DIINOKULASI DENGAN RHIZOBIUM DANIMIHARDJA, S.; SAEFUDIN, SAEFUDIN; SYARIF, F.; SETYOWATMNDARTO, N.
BERITA BIOLOGI Vol 3, No 8 (1988)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (301.658 KB) | DOI: 10.14203/beritabiologi.v3i8.1304

Abstract

S. DANIMIHARDJA,SAEFUDIN,F. SYARIF & N.SETYOWATMNDARTO. 1987. The growthof some fast-growing legume species in the field after seedling inoculation with Rhizobium.Berita Biologi 3(8): 377 - 381.Eleven species of fast growing legumes were grown in the field after their root seedlings were inoculated with two selected strains of Rhizobium sp.The results indicated that Acacia villosa was the fastest growing species (324.8 cm in height and 28.35 mm in diameter after 13 months of planting).The slowest one was Albizia procera (86.20 cm and 10.45 mm).The statistical analysis indicated that between species there were highly significant differences either in height or in diameter of the plants. Between treatments there was significant difference in diameter, but not in height.The interaction between treatments and species was highly significant difference in diameter, but not significant one in height. After 13 months of planting 6 species had already produced pods,namely Acacia villosa,Albizia lebbeck,Bauhinia acurninata, B. purpurea, Caesalpinia pulcherrima and 7 C.sappan.The death rates were ranging from 19% (in Albizia chinensis),30%(in A. falcatariaj, 46% (in A. procera),47% (in A. lebbeck), until 50% (in Acacia auriculiformis).
KANKER DI JAWA BARAT ISKANDAR, DJOKO
BERITA BIOLOGI Vol 2, No 1 (1977)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (205.294 KB) | DOI: 10.14203/beritabiologi.v2i1.1387

Abstract

Kanker merupakan penyakit yang paling ditakuti.Hal ini disebabkan karena belum ada obat yang bisa menyembuhkannya.Tidak adanya gejala-gejala tertentu pada stadium permulaan menyebabkan penderitanya datang setelah penyakitnya sukar diobati.Di mana-mana jumlah penderita kankermeningkat.Apakah ada hubungan antara kemajuan teknologi dengan digunakannya bermacam-macam senyawa kimia baru ke dalam alam lingkungan dengan meningkatnya jumlah penderita, belumlah dapat dipastikan.Meskipun jumlah penderita kanker terus meningkat, tetapi sampai berapa jauh perubahanini, belumlah dapat diketahui dengan pasti. Hal ini disebabkan oleh kurangnya fasilitas kesehatan, belum adanya keharusan melakukan bedah jenazah dan juga karena tidak adanya peraturan untuk melaporkan adanya penderita ini.Data yang dapat diperoleh hanyalah data relatif hasil operasi dan biopsi. Dari data inilah dapat diperkirakan macam tumor, umur dan jenis kelamin penderita, dan ini umumnya dipakai untuk dapat menduga dan menggambarkan keadaan kanker di suatu daerah secara garis besarnya.
PENGAMATAN DAYA HITOUP BUI ASAM YANG BERASAL DARI KOTORAN TERNAK SAPI DIPADANG SAVANA BESIPAE, NTT Wawo, Albertus Husein
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (275.427 KB) | DOI: 10.14203/beritabiologi.v4i4.1271

Abstract

Tamarind as tropical plant that grow well in dry land area and savannah. The use of tamarind product have been known as raw material for spices, drinks industries, and medicine, so that this plant is assumed very important for community in dry land area.In Besipae Savannah,South Amanuban,East Nusa Tenggara, tamarind grow wild in savannah and it is one of the sources income forpoeple in that area. During the dry season savannah produce less of fresh forages therefore the fresh leaves of tamarind are used as fodder.The function of cow dung as seed access especially as tamarind, acacias and leucaena seeds were not accomplished yet.The objectives of this study was the viability of tamarind seeds which were collected from cowdung in Besipae Savannah,South Amanuban, East Nusa Tenggara. This study was designed according to factorial model in Completely Rendomized Design(CRD), with four replications.The result of this study indicated that tamarind seeds which were collected from cowdung have higher germinatioan rate and percentage of germination compare to pure seeds from pods.Seedling growth of tamarind seeds which were collected from cowdung were better than that of seedling growth of pure tamarind seeds from pods. Application of cowdung and Bobonaro clay for germination media showed that Bobonaro clay was better than that of cowdung.

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