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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 24 Documents
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Search results for , issue "Vol 3, No 8 (1988)" : 24 Documents clear
EKOLOGI MAKAN IKAN GLYPTOTHORAX MAJOR (BLGR) (BAGARIDAE, SILURIFORMES) DI SUNGAI ALAS, ACEH TENGGARA RACHMATIKA, IKE; WIRJOATMODJO, SOETIKNO
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 (166.586 KB) | DOI: 10.14203/beritabiologi.v3i8.1308

Abstract

IKE RACHMATIKA & SOETIKNO WIRJOATMODJO.1988.Feeding ecology of Glyptothorax major Blgr) (Bagaridae, Silurifoimes) in the Ala River,South East Aceh. Berita Biologi. 3(8): 396 399.A study on the feeding ecology of Glyptothorax major (Blgr) was conducted in the Alas River South East Aceh, Sumatra during early dry season, January 1983.Index of Preponderance analysis showed that this species is a benthic-insect feeder It was found that the food habit of immature and mature fish is slightly different.The mature fish's food habit is more varied than the immature's. Based on the concept of the "availability factor"of prey species,a tendency was also found that the mature fish is a more opportunistic of using food resources than the immature's.The supposed mechanisme of this difference and its relation with condition factor values is discussed.
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.
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).
HUBUNGAN ANTARA PERSEN PENUTUPAN SALVINIA MOLESTA DAN PERTUMBUHAN IKAN NILA (TILAPIA NILOTICA) INDIARTO, YUN
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 (221.026 KB) | DOI: 10.14203/beritabiologi.v3i8.1309

Abstract

YUN INDIARTO.1988,Relationship between percent coverage of Salvinia molesta f nd growth rate of Nile Tilapia (Tilapia nilotica),Berita Biologi 3(8) : 400 - 404.A study on the growth rate of Nile Tilapia in relation to various coverage of S.molesta has been conducted in experimental ponds for twelve weeks. Anaiysis of variance shows that the percent coverage of S.molesta affected significantly the growth rate of the Nile Tilapia (weight : F>F 0.01 and length : F > F0.05).It was found that 50% coverage or more may reduce the tish growth rate.The best growth rate was 1 reached at 25% coverage.Environmental condition:related to the above findings are discussed.
BEBERAPA METODE PENGAMBILAN EKTOPARASIT PADA BURUNG MERPATI POS (COLUMBA LIVIA GMELEN) AZIZ, JANITA; AMIR, M.
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.v3i8.1305

Abstract

JANITA AZIZ & M. AMIR. 1988.Some ectoparasites collecting methods of racing pigeon (Columba livia Gmelin). Berita Biologi 3(8):382 - 385.Extraction of ectoparasites of living racing pigeons was done using modified "Fait Isle".The insectisides used for the extraction were pyrethrum,caumaphos and chloroform.The number of acarines extracted during the night was higher than that during the day.In addition insecticides spraying treatment extracted more acarines than fumigation.From the 3 kinds of insecticides used,chloroform proved to kill more acarines than the other two insecticides.
KEEFEKTTFAN BEBERAPA BIAK RHIZOBIUM SEBAGAI INOKULAN PADA PERTUMBUHAN ALBIZIA PROCERA DAN A. SAPONARIA LATUPAPUA, HJD.; RAHAYU, S.H.; ABDULKADIR, S.
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.v3i8.1310

Abstract

HJ.D. LATUPAPUA,S.H. RAHAJU & S.ABDULKADIR.1988. The effectiveness of some rhizobial strains as inoculants on the growth of Albizia procera and A. saponaria.Berita Biologi 3(8) 405 - 412.Four experiments have been carried out under green house conditions,using 0.5 gallon plastic pots, filled with 1.5 kg of sterile sands.The experimental design was completely randomized design with five replications.The first and second experiments were implemented on A.procera which consisted of 11 and 9 strains, lasted in 10 weeks respectively.The third and the fourth used 7 strains for each experiment,were implemented on A.saponaria,lasted in 12 and 16 weeks respectively.The results showed that all inoculated plants produced root nodules. In the experiments I and H,good results were demonstrated by strains number 34, 85 and 119, while strain Rsg showed very poor results.Rhizobium which showed poor results were strains Raf 1,Raf 2, Rap, Rss, Ri and Le. In the experiments III and IV, good results were demonstrated by strains 82 and 85,while very poor results were shown by strains Cg and Ri, poor results were shown by strains 34, 119 and Le.
NEMATODA PARASIT PADA TKUS DI DAERAH SEKITAR SELATSUNDA PURWANINGSIH, ENDANG; SAIM, ACHMAD
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.
KEHILANGAN HARA PADA TANAH MIRING HUTAN PRIMER DI TAMAN NASIONAL DUMOGA - BONE, SULAWESI UTARA SIMBOLON, HERWINT
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.v3i8.1311

Abstract

H. SIMBOLON 1988.Soil nutrients loss on a slope in the primary forest of Dumoga-Bone Nationat Park.North Sulawesi. Berita Biologi 3(8): 413 -417.The lost of soil nutriens in the lowland primary forest have beer studied in Lombongo,Dumoga-Bone National Park (North Sulawesi).The forest was dominated by Pometia pinnata with 25.71% of relative basal area.The forest canopy was built up by 368 trees per ha and the soil surface was covered by 353.92 g per m of litterfall (mean of fresh weight).The soil-and litterfall nutrient status of the study plots was less than that of the other primary tropical rain forests.Even though the soils were fully covered by litterfall, the erosion and leaching processes were still occurring.The leaching rate of the soil nutrients was 3.26% on C(the lowest rate) and 14.46% on P2Q5 (the highest rate),but no significant decrease on N was observed.
PENGAMATAN PENYEBARAN UNSUR RADIOAKTIF 131 32 RADIOIODINE ( I) DAN RADIOFOSFOR ( P) PADA TANAMAN JAGUNG DAN KEDELE SUNANISARI, SENNY
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.v3i8.1302

Abstract

S. SUNANISARI. 1988.Otjervation on the distribution of radioactive elements tadioiodine (I )and radiophosphorous ( 32 P) in maize and soybean.Berita Biologi,3(8): 371 - 373.The plants are able to absorb nutrients from their environment either was carried out to natural in the form of particles or synthetic radioactives.This experiment check the absorbtion and distribution of the radio actives 1311 and 32p on maize and soybean.The1 absorbtion of these radioactives were influenced by some physical factors of the substrat.At sludge substratum,plants absorbed 32p more than 131l.The distribution of 32p and 1311 were checked by their accumulation on.the plant organs.In maize, the accumulation of 32p and 131I were started from root, followed by stem, and leaves,while in soybean, they were started from root, followed by stem, leaves and cotyledon.
TOLERANSI BUI SALAK TERHADAP PENURUNAN KADAR AIR, SUHU DAN SERANGAN JAMUR PURWANTO, Y.; RAHAYU, R. D.; SUTARNO, HADI
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.v3i8.1307

Abstract

Y. PURWANTO, R. D. RAHAYU & HADI SUTARNO.1987. Tolerance of salak seeds on moisture content, temperature and fungal attack.Berita Biologi 3(8): 390 -395.Salak (Salacca edulis var.amboinensis) seeds are difficult to withstand in long term storage.For keeping its viability in storage their tolerance on moisture content,temperatur and fungal attack were studied.Decreasing moistur content influenced salak seed viability. Salak seeds would not afford to sprout.If moisture content reached 24.9%.By moisture content of 47.5%,seed viability dropped to 50.00%.Treatment of storage at temperatures of 10°C, 15 C and 20 C decreased moisture content sjid fungal attack less than at 25°C' and control. Dipping Dithane M45 treatment decreased fungal attack obviously, but it also reduced seed viability.

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