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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 46 Documents
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Search results for , issue "Vol 3, No 7 (1987)" : 46 Documents clear
PENGARUH JAMUR PHYTOPHTHORA COLOCASIAE TERHADAP PENYEBARAN VARIETAS-VARIETAS COLOCASIA ESCULENTA DI P. JAWA YUSUF, RAZALI
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1372

Abstract

RAZALI YUSUF.1987.The influence of Phytophthora colocasiae on distribution of Colocasia esculenta varieties in Jawa island. Suppl.Berita Biologi 3 : 17 - 19.Field observation on varieties of Colocasia esculenta var.esculenta and C.esculenta var.antiquorum showed that the distribution of these two botanical varieties has distinct pattern. The population of C.esculenta var.esculenta are more prevalent in the lowland, whereas the population of C.esculenta var.antiquorum are confined to higher elevations.Differences in their succeptibility to the attack of the fungus Phytophthora colocasiae'it one important factor which determines the natural distribution of these two botanical varieties.
SERANGGA PENGUNJUNG BUNGA ACACIA VILLOSA WILLD. KAHONO, SIH; PUDJIASTUTI, L.E.; AMIR, M.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1383

Abstract

SIH KAHONO, L.E. PUDJIASTUTI &. M. AMIR. 1987. Insect visitors on Acacia villosa Willd. Suppl. Berita Biologi. 3 : 70 - 71 Insect visitors on Acacia villosa Willd. (Leguminosae) has been observed at 10 flowering plants at Cibinong, Bogor. Observation were made at 6 a.m.-6 p.m. by means of collecting insects that visit the flowers of A. villosa for 30 minute with the interval time collection of 2 hours.There were found Hymenoptera (17 species), and followed by Lepidoptera (7 species) and Diptera (3 species).The community sturcture of the insect visitors at interval of 2 hours are varies, the number increased toward the mid day, and gradually declined in the evening. This fluctuation is probably due to the nectar content during the day.
MORFOLOGI JAMUR PEMBENTUK MIKORIZA PADA AKAR RUMPUT INDIARTO, SUCIATMIH Y.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1374

Abstract

SUCIATMIH Y.INDIARTO.1987.Morphology of mycorrhizal fungi in grass roots.Suppl.Berita Biologi 3 : 26 - 30.Visual examination of roots of grass species collected from the surrounding of Herbarium Bogoriense building and Baranangsiang has shown that the main infecting organisme are Phycomycete endophytes of the vesicular arbuscular type.It was attempted to assess morphology of fungi in the grass roots.External mycelium displays dimorphism. There are thick walled asceptate hyphae and thin-walled septate External vesicles may be formed singly and are sometimes furnished with a rudimentary hyphae Root penetration takes place by hyphae entering either epidermal cells or root hairs.The internal mycelia in grasses correspond to descriptions of similar endophytes in other plants. Internal vesicles are formed mainly in the outer cortical cell layers.In general, these are located both in interaeellular and intercellular position.Internal arbuscules are usually developed in the inner cortical cells.Each cell becomes occupied by an arbuscule.
PEMBUATAN RAGI DENGAN MENGGUNAKAN BEBERAPA MACAM TEPUNG SEBAGAI PEMBAWA(CARRIER) ELIDAR ELIDAR
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1379

Abstract

ELIDAR.1987.The preparation of inoculum by using various flour as subtrates or carriers Suppl. Berita Biologi. 3: 51:55. for 2 mold and 2 yest strains,the rice,glutinous rice and tapioca wates flour colud be used as a substrate better then others flour.The survival of the inoculated microorganisms in the rice,glutinous rice and tapioca waste inoculums were not significantly difference.The viable spore count in those three inoculums decreased due to th duration of storage The viability of the spores count were  104- 106 propagule/g in the early storage and then it descreased 104 propagule/g after 3 months storage 
BEBERAPA JENIS KERANG KIJING (SUKU: UNIONIDAE) DAN KEONG DI TEPI PERAIRAN SUNGAI RENGAS DAN SUNGKAI, PROPINSI JAMBI RISTIYANTI M. MARWOTO
BERITA BIOLOGI Vol 3, No 7 (1987)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1314

Abstract

RISTIYANTI M.MARWOTO. 1987.Some fresh water mussels family L'nionidae and gastropods from Rengas and Sungkai Rivers in Jambi province. Berita Biologi 3(7): 306 -309.Four species of unionids were found in Rengas river; of these Pseudodon vondenbuschianus,Contradens ascia dimotus,Ctenodesma sp.and Rectidens gracilis,while Physunio superbus and C. ascia dimotus were found in Sungkai river.The density of p.superbus was higher than the other species (7 ind/0.09 m ),it seems was affected by the organic detritus and the differences of the substratum sediment.Some of P.superbus were mature with many eggs and glochidia larvae inside the outer gills.The length of this mature mussels is 28 - 56 mm, while the average is 52 mm.The difficulties in finding young Union idae may be due to their size is relatively small it was or caused by the specific biology of these animals.The occurance of some gastropods in Rengas and Sungkai river were also discussed.
VEGETASI DAN KEADAAN TANAH HUTAN LELOFUI GUNUNG MUTIS, SOE-NTT H. SIMBOLON; SUKENDAR SUKENDAR
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1370

Abstract

H. SIMBOLON & SUKENDAR. 1987. Vegetation and soil conditions of forest in Lelofui, Mount Mutis, Soe, East Nusa Tenggara. Suppl. Berita Biologi 3 : 6 - 10.Research on vegetation and soil conditions of forest in Lelofui, Mount Mutis, Soe East Nusa Tenggara has been done. The density of trees were 358 per nectar; height of canopies ranged between 25 m and 35 m with Eucalyptus urophylla as a dominance species.The relative basal area of E. urophylla was 72,82% which was greater than total basal area of remaining species.The others important species were Podocarpus imbricates, Ilex odorata and Acer niveum.The density of saplings were 708 per hectar.The dominant species of this sapling was Daphniphyllum laurinum with the relative basal area of 69,93% The height of sapling species were less then 10 m. The other important species of saplings were Scutellaria discolor and Acer niveum.The plot consisted of 17 species of trees and 9 species of saplings.This species composition was very small comparing to other tropical rain forests elsewhere.This small number of species composition is suggested not directly correlated with a soil fertility.Soil analisis form the plot showed that its properties was not so distinct from other tropical rain forest soil conditions.
PENGARUH PENGERINGAN TERHADAP DAYA KECAMBAH BUI BEBERAPA JENIS CITRUS. G. PANGGABEAN; J. HANSON; N. WULUARNI; SOETJIPTO SOETJIPTO
BERITA BIOLOGI Vol 3, No 7 (1987)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1319

Abstract

G. PANGGABEAN, J. HANSON & N. WULIJARNI - SOETJIPTO 1987. The effect of drying on the viability of Citrus seeds. Berita Biotogi 3(7):330 - 332. The effect tesistence drought on the germination of 4 species of the Citrus seeds were studied under the laboratory conditions.The germination of the C.amblycarpa and C. aurantifolia seeds were still high at the moisture content less than 10 %. Meanwhile, the germination of C. grandis seeds were high at 10 % moisture content but the viability of the seeds were low at the moisture content below 10 %.Various methods of drying were investigated on the C. reticulata seeds. The best germination of the seeds were treated prior drying the seeds under the laboratory conditions. The germination of the seeds decreased rapidly under silica gel, dehumidifier and drying in the oven at 40°C.
PENYERBUKAN PADA RAMBUTAN (NEPHEUUM LAPPACEUM L. VAR. LAPPACEUM) TAHAN UJI
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1375

Abstract

TAHAN UJI.1987.Pollination in Nephelium lappaceum L. var.lappaceum. Suppl.Berita Biologi. 3 : 31 - 34.Inflorescence morphology,flowering biology and insect visitors of rambutan (Nephelium lappaceum L. var.lappaceum) were observed in Semboja, East Kalimantan.Rambutan is dioeceous plant and cross pollinated by insect.It was showed that in isolated inflorescence failed to produce fruits.Six species of bees i.e. Apisindica,Trigone itama,T. nitidiventris. T. canifronsT.irridipenis and T.atripes are potential for their pollinators.
PENGARUH PEMBERIAN BERBAGAI TINGKAT BIJI PHASEOLUS LUNATUS DALAM RANSUM TERHADAP PERTUMBUHAN ANAK AYAM KAMPUNG. SRI HANDINI; SRI PARYANTI WALUYO
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1380

Abstract

S. HANDINI & S.P. WALUYO. 1987. Effect of level of Phaseolus lunatus seeds in the ration on the native chicken growth. Suppl. Berita Biologi 3 : 56- 60- The aims of this study was to obtain the level of Phaseolus lunatus to be given in the chicken ration without affecting their growth As many as 18 D.O.C. native chickens were used in this experiment. The experiment was based on Completely Randomized Design. The level of P. lunatus used in the ration as the treatment were : RK (Q%P. lunatus-?& the control ration); R I (5% P. lunatus); R II (10%/>.lunatus); R III (15% P.lunatus) and R IV (20% P. lunatus). Data obtained were analyzed using Analysis of Variance; and the Honestly Significants Different (HSD) and Duncan test were used to test the differences.The resul showed that the treatment had high significan effect on testes weight (P< 0,01); and a significants effect on body weight gain (P <C 0,05), feed consumption (P<! 0,05) and ovarium and pancreas weight (P < 0,05).On the other hand, there was no significant effect (P >0,05) to the feed conversions, water consumption and total amount of faece blood, volume and the head, tarsus, oesophagus and drum stick weights.
KOMPOSISI DAN DISTRBUSI MOLUSKA DI DATARAN KARANG CAGAR ALAM LEUWEUNG SANCANG, JAWA BARAT AHMAD JAUHAR ARIEF
BERITA BIOLOGI Vol 3, No 7 (1987)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1315

Abstract

AHMAD JAUHAR ARIEF. 1987.The composition and distribution of coral-reef molluscs community in Leuweung Sancang Reserve, West Java,Berita Biologi,3(7): 310 - 316.Observation was made on the moluscan fauna of coral-reef area at Leuweung Sancang Rcseive, West Java.All together,43 species of molluscs,representing three classes were collected The study mostly concern with the composition and distribution of these groups of animal.The analysis suggest that type of substrats is one of the major factors influencing the life habit of mollusc.The relationship between two aspects with the life habit and habitat is discussed.

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