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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
 133   134   135   136   137 
UPAYA DOMESTIKASI TANGKASI(Tarsius spectrum) MELALUI OPTIMALISASI PEMBERIAN PAKAN SECARA GRADUAL DAL AM PENANGKARAN Hengki J Kiroh
BERITA BIOLOGI Vol 9, No 6 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i6.840

Abstract

This research was conducted to change natural feeding behavior of Tarsius (Tarsius spectrum) using fresh life insect into fresh meal material as new introducing feeding material by gradually optimal feeding system in wire netting pen.This research was focused on preference of Tarsius into fresh meal as new introducing feeding material and nutrient consumption.Result showed that Tarsius was able to be interested in different fresh meal as new introducing feeding material within relatively short time and to be adaptable on different nutrient consumption. Therefore, it can be concluded that (1) domesticating process of Tarsius was able to change their natural feeding behavior using fresh life insects into fresh meal material as new introducing feeding within 27 day; (2) Average nutrient consumption of Tarsius for new introducing feeding varied one to each other in wire netting pen.
KOMPOSISI DAN DOMINASI PATOTIPE Xanthomonas oryzae pv. oryzae, PENYEBAB PENYAKIT HAWAR DAUN BAKTERI PADA TANAMAN PADI DENGAN SISTEM PENGAIRAN BERBEDA DI KABUPATEN KARAWANG Dini Yuliani; Sudir Natasuwirya
BERITA BIOLOGI Vol 16, No 3 (2017)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v16i3.2183

Abstract

Bacterial leaf blight (BLB) is the major disease of rice caused by the bacteria Xanthomonas oryzae pv. oryzae (Xoo), that has various pathotypes making it difficult to control. This research was aimed to determine Xoo pathotype group in irrigated paddy fields with different of planting time based on differences of irrigation system in Jatiluhur Reservoir. The research was conducted in Karawang District the wet season (WS) of 2013/2014 and dry season (DS) of 2014 through survey and sampling of infected rice leaves of BLB. Isolation of Xoo bacte-ria was done in the laboratory by using dilution methods. Xoo pathotype test was carried out by inoculating Xoo isolate on five different varieties in Indonesian Center for Rice Research’s green house, West Java. Observation of disease severity was done by measuring symp-toms of the disease that appeared at two and four weeks after inoculation. The disease severity of ?11% was classified as resistant (R), and for the disease severity of >11% was classified as susceptible (S). The results obtained a total of 602 Xoo isolates from rice plant samplings of irrigated rice fields in Karawang with irrigation systems I, II, III, and IV. At WS 2013/2014 was obtained 448 Xoo isolates consists of 29.69% of pathotype III; 40.85% of pathotype IV, and 29.46% of pathotype VIII. While, at DS 2014 was obtained 154 Xoo isolates consists of 1.95% of pathotype III, 53.25% of pathotype IV, and 44.80% of pathotype VIII. The areas with Type I of irrigation systems were domi-nated by Xoo pathotype IV in two cropping seasons. The areas with Type II of irrigation system dominated by Xoo pathotype IV in the wet season, while the dry season was dominated by Xoo pathotype VIII. The areas with Type III of irrigation system were dominated by Xoo pathotype III in the wet season, whereas during dry season was dominated by Xoo pathotype IV. The areas with Type IV of irrigation sys-tem were dominated by Xoo pathotype IV during wet season. Over all, in the dry season, Xoo pathotype IV was the dominant pathotype especially in irrigation systems Type I and IV. The dominance of Xoo pathotype can determine the resistant varieties that grown in the areas with different planting times on different irrigation systems.
KAJIAN PRODUKSI, PERDAGANGAN, INDUSTRI DAN TEKNOLOGIEBONI Djamal Sanusi
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 | DOI: 10.14203/beritabiologi.v6i2.1481

Abstract

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KEANEKARAGAMAN DAN POTENSI FLORA DI GUNUNG HALIMUN DAN SEKITARNYA DI TAMAN NASIONAL GUNUNG HALIMUN Tahan Uji
BERITA BIOLOGI Vol 6, No 1 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i1.1165

Abstract

Gunung Halimun National Park is one of the largest remnants of the tropical rain forest left in Java. The forest in this area is an interesting site to be studied due to the richness,diversity and potential of its flora. Through the intensive explorations in Mt. Halimun, Mt. Ci Timur and Mt.Panenjoan, 275 species of plant have been collected.Six species of them are determined as a rare and vulnerable plants, namely Alyxia rcinwardlii, Elaeocarpus grandiflorus, Symplocos odoratissima, Calamus adspersus, C. ciliaris and Korthalsia junghuhnii;and 10 species as "new record", namely Aidia corymbosa, Calophyllum saigonensc, Cryptocarya mentek, llemiscolopia trimera, Litsea elliptica, Sonchlu helerophyllu, Phoebe elliplica, Sarcandra glabru, Sehefflera longifolia and Tetrameri.sla glabra. Based on litterature studied. 151 species out of 275 are potentialplants and the largest group is medicinal plants (60 species).Other data can be gathered as follows 42 species of timber, 19 species of ornamental plants, 16 species of fruits, 10 species of vegetables, 6 species of rattans, 4 species of forages and 4 species of dye and tannin producing plants.
EVALUASI KANDUNGAN PROTEIN DAN SIFAT PASTA BERAS JAPONICA DENGAN MARKA DNA Puji Lestari; Hee Jong Koh
BERITA BIOLOGI Vol 12, No 2 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i2.526

Abstract

An evaluation of protein content and pasting properties of rice using molecular markers approach is still limited. This study was aimed to evaluate protein content and pasting properties of japonica rice using DNA marker in complement to conventional tools. This study was further analysis based on the data of protein content and pasting properties of 22 japonica varieties and genotyping data using 30 DNA markers. Multiple regression analysis was performed to formulate equations to estimate the protein content and pasting properties. As a result, the protein content and Rapid Visco Analyzer (RVA) pasting properties values of 22 varieties demonstrated in the range of japonica rice with high variation. Correlation between protein content and RVA pasta properties showed differential profiles. Several type of DNA markers tested in this study showed allele variation among varieties. To estimate the protein content and several parameters of pasting properties of japonica rice, six marker sets in the form of model equations were successfully developed. High resolutions of equations with signifikant R2 in range of 0.95 - 0.99 showed their potency to predict rice physicochemical properties. These developed marker sets are an initial step which needs further validation in order to be able for evaluation of thephysicochemical properties in early generation of breeding and germplasm collection of japonica rice in the future.
ANALISIS PREDIKSI SEBARAN ALAMI GAHARU MARGA Aquilaria DAN Gyrinops DI INDONESIA Roemantyo Roemantyo; Tukirin Partomihardjo
BERITA BIOLOGI Vol 10, No 2 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v10i2.1972

Abstract

A spatial analysis was applied to predict the natural distribution of agarwood producing taxa of Aquilaria and Gyrinops in Indonesia.This research was conducted using herbarium materials which deposited in Hebarium Bogoriense, Research Center for Biology-LIPI and field data collected by researcher within periods of 1992-2009. Time serial maps of 1:250.000 were used in this analysis such as Indonesia digital base map of 1990, province land cover and deforestation digital maps of 1989 and 2005.Every sites of herbarium collection was identified using digital Cyclopedia of Malesian Collectors for the name of village/place and date of collection. The coordinate of those sites comprises latitude, longitude and altitude was retrieved by query method using Indonesia digital geo-reference data. Tabulated data of every collection/data was created and then overlaid to the time serial land cover and deforestation maps using GIS software, to identify the recent condition of that area. The results show that horizontal natural distribution of Aquilaria was mainly occur in the western part of Indonesia, while Gyrinops in eastern part of Indonesia. Vertical distribution analyses of the Aquilaria and Gyrinops showed that in general both genera are mainly grown naturally in the low land areas less than 300 m asl. Spatial analyses using time serial land cover and deforestation maps indicated that low land areas less than 300 m asl. having very high risk on the land use changes, whereas increasing land status classification from six on 1989 to fifteen on 2005. More than 20 % of forested areas have been change into non forest area such as plantation, agricultural land, resettlements and open unproductive lands since 1989. Natural distribution of agarwood producing taxa horizontally and vertically on all of major islands and the conservation strategy were discussed in this paper.
NEMATODA PARASIT PADA TKUS DI DAERAH SEKITAR SELATSUNDA ENDANG PURWANINGSIH; ACHMAD SAIM
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.v3i8.1306

Abstract

E. PURWANINGSIH & A. SAIM. 1988.Nematode parasites infestation on rats in Sunda Strait and its vicinity.Berita Biologi 3(8): 386 - 389.Four species of parasitic nematode namely Cruzia sp.,Hepatojarakusmalayae,Molincus sp. andRictularia tani,were recovered from three species of rats.These rats were captured at Cidaun. Peucang Island and Rakata Island, located in the vicinity of Sunda Strait,West Java.Among the four species of nematode recovered, Cruzia sp.had never been reported infesting rats before.
DAUR PATOLOGIS TEGAKAN HUTAN TANAMAN Acacia mangium Willd. Simon Taka Nuhamara; Soetrisno Hadi; Endang Suhendang; Maggy T Suhartono; Wasrin Syafii; Achmad Achmad
BERITA BIOLOGI Vol 9, No 1 (2008)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i1.804

Abstract

Heart rot on Acacia mangium Willd. forest stand is critical especially for mechanical or construction wood based purposes. Failure on understanding the nature and the way it get established into the tree stem may cause high economic consequences.Anticipating such a worse condition, studies on cull factor in relation to age was initiated. Eventually the study is aimed at healthy cutting cycles of the clear and purposely stand establishment. The study had been carried out at BKPH Parung Panjang, KPH Bogor. Following the cull factor measurement technique combined with the pathological rotation estimation procedures, it was found that the healthy volume was 0.0623 m and the cull factor was 31.25 %.The figures were at the age of nine years. Therefore, the pathological rotation cycle for the A. mangium stand in the area could be fitted at eight years, as being adopted so far.This is true, when the plantation is established for the production of wood, provided that the tending operation is optimal. Applying the United States Department of Agriculture (USDA) Forest Health Monitoring (FHM) indices, the general performance of the A. mangium forest stand in Parung Panjang is found to be in healthy criteria. The damage indices for all stand ages investigated varied from 2.77 (lowest) to 5.16 (highest) as compared to the 21.18 value, the possible highest FHM tree index.
KUALITAS NUTRISI ANEKA TEPUNG DAN KUE TALAM BERBASIS BAHAN PANGAN PULAU ENGGANO DENGAN PENAMBAHAN Lactobacillus plantarum B110 Tatik Khusniati; Sulistiani Sulistiani; Abdul Choliq; Dhea Loka Nanta; Dita Kusuma Wardani; Dahniar Saraswati
BERITA BIOLOGI Vol 15, No 3 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v15i3.2222

Abstract

Nine foodstuffs from Enggano island were processed to flour as wheat flour alternative. To increase flour quality and its derivative product, Lactobacillus-plantarum B110 was added those flour and talam cake made from such flour. They were forest cassava (Dioscorea sp.), ararut sago (Marantha arundinacea), tacca (Tacca Leontopetaloides), egg taro (Alocasia sp.), oil taro (Alocasia sp.), gadung (Dioscorea hispida), gogo rice (Oryza sativa), corn (Zea mays), and belinjo (Gnetum gnemon).  The quality assessment consisted of HCN detection (qualitative), nutrition contents (proximate analysis), acid  (titration method), glucose (GOD-POD kit), and organoleptic tests (20 panelists). The results show that acid and glucose contents of the nine flours increased after L. plantarum B110 addition. Acid content of  the flours was 0.0144-0.2475%, while  glucose was  0.056-0.449%.  Carbohydrate, energy and acid contents of L. plantarum B110 talam cake were higher than control, which those were 34.13%, 190.33 cal/100gr, 0.00082%, while protein, lipid, water, ash were 1.75%, 5.22%, 57.9 %, 1.01%, respectively. The talam cake was accepted by panelists with values: 5.50 (taste), 5.6 (colour), 4.55 (flavour), 4.00 (texture), 4.35 (homogeneous). It was concluded that the flour and talam cake quality increased with addition of L. plantarum B110. 
LAPORAN KETUA PANITIA PENYELENGGARA Libreth S Foenay
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.v5i5.1447

Abstract

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