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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
 160   161   162   163   164 
MORFOMETRI KERANG TAHU Meretrix meretrix Linnaeus, 1758 DI PASAR RAKYAT MAKASSAR A. Gita Maulidyah Indraswari; Magdalena Litaay; Eddy Soekendarsi
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.v13i2.687

Abstract

White shells Meretrix meretrix is one of the bivalves that are often sold in local markets of Makassar. Meretrix meretrix is one type of shellfishes that is favoured by the people so that they are continuedly being taken from their habitat without considering the feasibility of the capture. This research was aimed to determine the correlation between shell length, shell width, shell thickness, and total weight of the meat as well as assessing the size of a decent catch of M. meretrix in Makassar. Morphometric relationship between the length, width and thickness of the shell and total weight of the meat was analyzed using regression analysis.The results showed that the length and width of the shell and the length and total weight had strong positive correlation (0.81 = r = 0.96 and 0.81 = r = 0,92 repectively).The lenght and thickness of shell was moderately correlated (0.57 = r = 0.76), while the length and weight of the meat showed weak correlation (0.02 = r = 0.47). Size of M. meretrix sold in TPI Rajawali, Sentral market and Tanjung market ranged between 2.00 – 6.99 cm and has fulfilled the catching standard, which is > 4 cm.
VAKSINASI DINI Bordetella bronchiseptica PADA ANAK BABI MENCEGAH KERUSAKAN SEL-SEL EPITEL BERBULU GETAR PADA MUKOSA SALURAN NAFAS BAGIAN ATAS Siti Chotiah
BERITA BIOLOGI Vol 9, No 2 (2008)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i2.2029

Abstract

The upper respiratory tract is lined with ciliated epithelium or brush border that functions as the primary filter to the respiratory tissue. Epithelial trauma caused by neonatal bordetellosis serves as the predisposing factor for other respiratory diseases in growing pig. The aim of this research was to evaluate the effectiveness life nonpathogenic Bordetella Bronchiseptica vaccine that used in sucking piglets in Indonesia, to prevent the damage of ciliated epithelium. Twenty four sucking piglets 2 to 3 day-old were divided into treatment group containing fourteen and nontreatment group containing ten. Each sucking piglet of treatment group was vaccinated with life nonpathogenic Bordetella Bronchiseptica vaccine by intra nasal with 0.5 ml/nostril dose containing more than72.0xl0 CFU/ml bacteria. Three weeks post vaccination 10 of those treatment group and 6 from nontreatment group were challenged against local isolate B. bronchiseptica BS9 (BCC2455) toxigenic with 4.2xlO'CFU/ml dose. The clinical signs, reisolation of bacteria, and histopathological changes were observed. The result showed that 3 of 10, 5 of 6, 0 of 4, and 3 of 4 treatment and challenge sucking piglet group, nontreatment and challenge sucking piglet group, treatment and not challenge sucking piglet group,and nontreatment and not challenge sucking piglet group were found lost of cilia from most of the ciliated epithelial cells of nasal mucosa respectively. Three of 10, 4 of 6, 1 of 4, and 4 of 4 treatment and challenge sucking piglet group, nontreatment and challenge sucking piglet group, treatment and not challenge sucking piglet group, and nontreatment and not challenge sucking piglet group were found epithelial cells desquamation of nasal mucosa respectively. The results indicated that life nonpathogenic Bordetella Bronchiseptica vaccine could give 70 % protection against infection of B. bronchiseptica local isolate BS9 (BCC245) toxigenic infection and 75% wild type isolate present at the farm used for this research.
SERANGGA PEROMBAK BAHAN ORGANIK DI PEKARANGAN TELUKNAGA, CITEUREUP DAN PACET M. AMIR; ANITA H. ATMOWIDJOJO
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 | DOI: 10.14203/beritabiologi.v3i2.1363

Abstract

M. AMIR & ANITA H. ATMOWIDJOJO.1985. Insect decomposers of organic materials in the kitchen gardens in Teluknaga, Citeureup and Pacet.Berita Biologi 3 (2) : 66 - 69. Studies on insect decomposers of home gardens at Teluknaga, Citeureup and Pacet were carried out to obtain information on their distribution and species diversity on plant and animal litters.The result indicated that the species composition of the insect decomposer at the three places (kecamatan) were not significantly different. It seemed that the insects were not affected by the different ground cover vegetation. Among the insect decomposers, termites were the most important. These insects were found to occupy different types of litters. The other insect decomposers, e.g. Gryllotafpa sp., Copris sp. and a species of Nitidulidae, were found in plant and animal litteis.
RESPON PERKECAMBAHAN BENIH SORGUM {Sorghum bicolor (L.) Moench} TERHADAP PERLAKUAN OSMOCONDITIONING DALAM MENGATASI CEKAMAN SALINITAS Dwi Setyo Rini; Mustikoweni Mustikoweni; Surtiningsih T
BERITA BIOLOGI Vol 7, No 6 (2005)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v7i6.865

Abstract

The research was undertaken in two experiments. The first experiment was carried out to find out the germination capacity and vigor of sorghum seeds that consisted of four varieties namely Rio, Mandau, Sangkur and Keris. The second experiment was to determine the response of two sorghum varieties which had good germination capacities and so vigorous from the first experiment by osmoconditioning treatments. The growth media is saline soil with NaCl content 8.61% and pH 8.2. The osmoconditioning treatments were soaking seeds in each Na,SO4 0.2 M, NH4C1 0.2 M, KNO3 0.2 M solution for 48 hours and untreated sorghum seeds served as the control. The results showed that there was no interaction between varieties of sorghum seeds and osmoconditioning treatments on germination percentage but osmoconditioning treatments with Na,SO4 0.2 M and NH4C1 0.2 M could promote germination percentage of sorghum seeds on saline condition.
KARAKTERISASI PISANG REJANG TETRAPLOID HASIL INDUKSI DENGAN ORYZALIN Yuyu Suryasari Poerba; T Handayani; Witjaksono Witjaksono
BERITA BIOLOGI Vol 16, No 1 (2017)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v16i1.2210

Abstract

Triploid banana cultivar is the most desirable cultivar in banana industry because of its higher yield compared to its diploid cultivar.  The  triploid cultivar can be produced by crossing tetraploid with diploid cultivar.  However, tetraploid banana cultivar is rarely existed naturally.  Induced tetraploid of Pisang Rejang was produced using oryzalin. The present research was conducted to characterize tetraploid Pisang Rejang (Musa acuminata, AAAA genome) induced by in-vitro oryzalin treatment from diploid Pisang Rejang. Ploidy level, molecular and morphotaxonomic characters were observed.  Ploidy identification of induced Pisang Rejang was conducted using Flowcytometer.  Molecular characterization was done using RAPD and ISSR markers. Morphology characters were observed based on UPOV (2010). The results showed that tetraploid plants have similar genetic properties with their diploid controls as shown by genetic identity of 0.9901 – 0.9935. The tetraploids were differed from their diploid plants in plan habit and diameter of fruit.  The tetraploid plants produce fewer suckers, drooping leaves and broader fruits compared to its diploid control.
SANDALWOOD AS A COMPONENT OF AGROFORESTRY: EXPLORATION OF PARASITISM AND COMPETITION WITH THE WANULCAS MODEL Meine van Noordwijk; Albert Husein Wawo; Betha Lusiana; Jim Roshetko
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.v5i5.1462

Abstract

Sandalwood is an important component of agroforestry systems in the drier Eastern parts of Indonesia, although its value to farmers is still limited by existing policies and regulation of marketing. As a relatively slow growing root parasite, sandalwood will interact with other components in a complex pattern of competition and host-parasite relationships, depending on root distribution and rooting depth of potential hosts. We describe a number of modifications to the generic tree-soil-crop simulation model WaNuLCAS, that allow exploration of the transition between parasitism and competition. The key variable in this transition is the effectiveness of formation of the parasitic link for all situations where roots of the host and parasite occur in the same volume of soil. At low values of this effectiveness competition dominates, at higher values sandalwood will weaken the host, until it effectively kills it, leading to an optimum response of sandalwood to the effectiveness parameter. Unresolved questions in the formulation of the model are the lifespan of parasitized roots and the question whether or not sandalwood will allocate energy resources for maintenance respiration of host roots after the formation of haustoria. The'desk study' reported here was intended to focus subsequent field studies on these unresolved issues.
PENGGUNAAN MODEL DENGAN PROGRAM CSMP UNTUK MENDUGA POTENSI HASIL PADI BERDASARKAN PENDEKATAN IKLIM, TANAH DAN TANAMAN Woro Estiningtyas
BERITA BIOLOGI Vol 5, No 2 (2000)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i2.1134

Abstract

Most of rice yield potential prediction models are focussed on optimization of two factors(i. e. soil and crop factors) than another(climate).It is probably due to significant influence of soil and crop factors thananother in rice production.In fact,the result of yield prediction taking into account soil and climate is not sufficient because climate will became limiting factor.In order to integrate climate with soil and crop factors in rice yield potential prediction,the CSMP(Continuous System Modelling Program) model is used in this research.The results of simulation shows that through climate optimization, actual rice yield production can be increased 1500-2000 kg more than actual production.Yield potential during one year can be optimised.Moreover,CSMP can give suggestion in.the efficient use of natural ressources such as nitrogen, phosphor and potassium.
PENGARUH CENDAWAN Trichoderma sp. TERHADAP TANAMAN TOMAT PADA TANAH ANDISOL Subhan Subhan; Nono Sutrisno; Rahmat Sutarya
BERITA BIOLOGI Vol 11, No 3 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v11i3.509

Abstract

An experiment to determine the effect of Trichoderma fungus application in tomato grown in andisol soil, was conducted at IVEGRI’s (Indonesian Vegetable Research Institute) Experimental Garden in Lembang, Bandung, West Java (1250 m asl) from April 2011 until July 10 2011. Two treatments factos i.e. factor (1) Trichoderma application (without and using Trichoderma 10 fungi per plot and factor (2) NPK (15-15-15) fertilizer rate (0, 250, 500, 750 and 1000 kg NPK (15-15-15)/ha) were arranged in randomized block design with 4 replications. The results showed that although P uptake in tomato increased with Trichoderma sp. application, in general Trichoderma sp. application did not significantly affected several growth parameters and yield component of tomato. Significant effect of Trichoderma sp. application was only increased in total plant dry weight at 63 days after planting. The use of NPK (15-15-15) fertilizer 250 kg NPK/ha increased significantly on total plant dry weight and yield component such as total fruit weight per plot and fruit number per plot (15 m ).
SIMTOMATOLOGI DAN WAKTU KEMATIAN RAYAP Macrotermes gilvus Hagen (ISOPTERA: FAMILI TERMITIDAE) SETELAHINFEKSI CENDAWAN Metarhizium brunneum Petch Muhammad Sayuthi; Teguh Santoso; Idham Sakti Harahap; Utomo Kastosuwondo
BERITA BIOLOGI Vol 10, No 6 (2011)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v10i6.1941

Abstract

The potential of entomopathogenic fungus Metarhizium brunneum Petch as biocontrol agent to termite Macrotermes gilvus Hagen has been tested in the laboratory.The purpose of this research is to study the symptomatology and lethal time of the termite M. gilvus fungus after infection by M. brunneum. The density of conidia at 1.21xlO6/mL showed as effective concentration in causing M. gilvus mortality, when compared to 1.08><106conidia/mL, and control. The infection stage of M. brunneum on the host until the death of its host occurred on day 2,and the sporulation of M. brunneum on the surface of the host integument occur on day 4. The entire surface of M. gilvus was covered by the mycelium and conidia of M. brunneum on day 7. Lethal time 50% of termite population of M. gilvus (LT50) was achieved in 5 days(5.14), and LT95 achieved on day 10 (10.03).
STADIA PRADEWASA TUNGAU Macrocheies merdarius (AcARlNA: MACROCHELIDAE) Dl LABORATORIUM Janita Aziz; Sri Hartini
BERITA BIOLOGI Vol 4, No 1 (1997)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i1.1289

Abstract

Maccrocheles mendAriUs are the abundant mite species found in poultry litter in Bogor Municipality. However, their potential as predators ofhouseflies eggs and larvae are yet not known. An effort to study their life cycle has been done in the laboratory with an hou/iy observation.The eggs and larvae could not be found whereas the pmtonymphal stAge Were 18.67 hours oh Average And deutonymphal Were 29.04hours.The average size of protonymphAl'stage were 33.97 X 24.53 /Urn And deutonymphal were 38.44 x 32.15 jum. All of these progeny were not known whether from the fertilized or unfertilized femAles.

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