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BERITA BIOLOGI

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Published by Lembaga Ilmu Pengetahuan Indonesia

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Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Articles 2,125 Documents

75 76 77 78 79

PENGGUNAAN KAPUR DAN VARIETAS ADAPTIF UNTUK MENINGKATKAN HASIL KEDELAI DI LAHANSULFAT MASAM AKTUAL Koesrini, Koesrini; Anwar, Khairil; Berlian, Eva
BERITA BIOLOGI Vol 14, No 2 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

High aluminum (Al) toxicity and soil acidity are the most important problems that cause low soybean productivity on actual acid sulphate soil. Soil quality improvement by using ameliorant and introducing adaptable variety are some options to increase soybean productivity in the soils. Field experiment was conducted to evaluate effect of using ameliorant and variety of soybean to increase its productivity onan actual acid sulphate soil of Simpang Jaya, Wanaraya, Barito Kuala District of South Kalimantan, during dry season of 2009. The research was arranged in a split-plot design with three replicates. The main plots were three soybean varieties, i.e. Lawit, Anjasmoro, and Argo-mulyo, while sub plots were five levels of lime i.e. K100, K80, K60, K40,K20.Result showed that liming improved soil quality and soybean yield. It significantly increased soil pH and reduced soil Al saturation. The liming also increased plant growth and yield variables (plant height, dry matter, root weight and yield) at three tested varieties. Anjasmoro was more adaptive than the others varietyon actual acid sul-phate soil.

Begonia hirtella Link DI JAWA Girmansyah, Deden
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Begonia hirtella Link. is one of the introduced species that naturalized and grows wild in Java. This species has very good growing ability and potentially to be invasive at new habitat. Recently, there is no information about the status, existence and distribution of this species in Java. Consequently, it need to be informed about it status, presence and distribution more clearly. Collecting data from herbarium collections, internet connection, various references and some field trips were conducted. This information can improve knowledge and awareness of people as well as assisting monitoring and controlling for introduced plant species such as Begonia hirtella in Java, Indonesia.

THE DIVERSITY AND DISTRIBUTION OF TWO FAMILIES OF SUMATRAN LAND SNAIL (GASTROPODA: CAMAENIDAE AND CYCLOPHORIDAE) Mujiono, Nova; Priawandiputra, Windra; Atmowidi, Tri
BERITA BIOLOGI Vol 18, No 3 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The diversity of land snail in Sumatra, Indonesia was firstly studied by Bock (1881), followed by some comprehensive studies by Degner (1928), Van Benthem Jutting (1959), and recently by Marwoto (2016). This research aimed to update the data on diversity and distribution of those two families, documenting new information on their distribution, make historical records of species occurrence, list species occurrence from inside and outside the conservation area. We collected primary data from 274 numbers of museum collections and secondary data from 29 literatures. In total, 58 species of Camaenidae and 66 species of Cyclophoridae were known from Sumatra. Fourteen land snail species, seven from family Camaenidae and seven from family Cyclophoridae, were added to the previous list of land snail species in Sumatra. There were 30 land snail species with new distribution ranges.

STUDI FITOPLANKTON DI KOLAM KEBUN RAYA BOGOR KABINAWA, I NYOMAN K.
BERITA BIOLOGI Vol 3, No 9 (1989)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

I NYOMAN K. KABINAWA, 1989. Study ophytoplankton in Bogor Botanical Garden Ponds Berita Biologi 3(9): 467 - 469. An investigation was carried out in the Bogor Botanical Garden ponds from February 1983- January 1984 to study the diversity,structure and abundance of phytoplanktons.The samples were collected twice a day: in the morning (07.00) and in the afternoon (12.30),twice a week. Among 85 species of phytoplanton observed, Merismopedia punctata, Oiroococcus indicus, Oscillatoria sp.(Cyanophyceae), Scenedesmus quadricaudata, Chlorococcus sp.(Chlorophyceae), and Melosira granula (Bacillariophyceae) were the most common species.Cyanophyceae is the most common group of phytoplankton with the population of 0.680 - 2.80 million cells/1 followed by Chlorophyceae and Bacillariophyceae with the total population of 0.32 - 0.60 and 0.28 - 0.60 million cells/1 respectively. In contrast, the population of Euglenophyceae was only 13,000 cells/1 and Dinophyceae 0 (nil - 120,000 cells/1.Hydrological conditions of water of the Bogor Botanical Garden ponds were good for aqualitic organisms and may belong to the eutrophy water.

SERANGGA HAMA PENGGEREK BATANG ALBIZIA FALCATARIA (L.) FOSB. DAN VARIASI TIPE SERANGANNYA UBAIDILLAH, R.; AMIR, M.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

R. UBAIDILLAH & M. AMIR. 1987. The Stem Borer Insects Pest on Albizia talcataria (L.) FOSB.and its Variation of tvoe of the Damage. Suppl. Berita Biologi. 3 : 66 - 69. .The stem borer insect of Albizia falcataria causes not only damage of the trunk, but also reduce the quality of the wood.Control of the insects borer using silviculture method require knowledges about its nature, behaviour and other ecological factor.The study of damage to Albizia stand by insects borer was carried out at the Albizia plantation, Rancamaya, Bogor.Observation were made on the group stands of 2 - 3; 6 - 7 and 9-10 years old respectively.The results indicate the Albizia stand are attacked by two species of insect borer, namely Xystrocera festiva Pasc.(Coleoptera : Cerambycidae) and Arbela tetraonis Moore. (Lepidoptera : Arbelidae).X festiva attacked stands of all group categories, while A. tetraonis attacked only the young stands or the branches of old stands. The damage caused by X. festra is up to 20% of the period 8-10 years, while A tetraonis caused damage up to 30% of the same class.

PENGARUH PENGERINGAN DAN SUHU PENYIMPANAN TERHADAP DAYA HIDUP BUI CITRUS AMBLYCARPA WULIJARNI, N.; SOETJIPTO, SOETJIPTO
BERITA BIOLOGI Vol 3, No 3 (1985)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i3.1350

N. WULIJARNI - SOETJIPTO, 1985. Effect of desiccation and storage temperature on the viability of seeds of Citrus amblycarpa. Berita Biologi 3 (3): 95- 100. Seeds of Citrus amblycarpa (Hassk.) Ochse were dried using several methods. The seeds remained fully viable when the moisture content were reduced to around 5%. Upon storage, those seeds stored at 28°, 10° and 4°C were still viable after 287 days. Further observation showed that storage at 10°, 4° and - 10°C enabled seeds to maintain their germination until the end of the experiment, i.e. 910 days. Therefore, it is concluded that C.amblycarpa seeds tend to follow the behaviour of the orthodox seeds.

RHINO ATTACKS ON MAN IN UDJUNG KULON Angst, Walter
BERITA BIOLOGI Vol 1, No 3 (1971)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Reports of attacks by Javanese rhino (Rhinoceros sandaicus are quite rare. HOOGERWERF (1938) and SODY (1959) mentioned some cases, and SCHENKEL & SCHENKEL-HULLIGER (1969) also provided a general discussion of the aggressive behaviour of rhinos.

JENIS-JENIS BAKAU DI DARUBA DAN WAYABULA, PULAU MOROTAI, MALUKU UTARA Ahmad, Fasmi
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Inventarization on mangrove species in Daruba and Wayabula, Morotai Island were carried out in September 2005. The Result showed that in Daruba found three species of mangrove namely Rhizophora apiculata, Soneratia alba, Bruguiera gymnorhiza with Rhizophora apiculata as dominant species on tree category level. For belta criteria found three species namely Rhizophora apiculata, Bruguiera gymnnorhiza and Ceriops tagal with Rhizophora apiculata as dominant species. In Wayabula also found three species namely Rhizophora apiculata, Sonneratia alba and Rhizophora stylosa, with Rhizophora apiculata as dominant species. While on belta category found two species namely Rhizophora apiculata and Bruguiera gymnorhiza with Rhizophora apiculata as dominant species. Mangrove zone not only grow in coastal area, but also grow behind the coastline. Mangrove species in Morotai Island have the labile character, but stay relative in the good enough condition. That way, this condition is need remain to be defended and guarded against by a local resident activity trouble in order to be regional ecosystem of coastal area in Morotai Island can be sustained well. Region in Morotai Island is draw to be developed to become the natural recreation object, because owning interesting nature panorama.

PENGARUH PENAMBANGAN EMAS TRADISIONAL TERHADAP STATUS HARA LAHAN HUTAN PRIMER BOJONG PARI, SUKABUMI juhaeti, Titi; Naiola, B.P.
BERITA BIOLOGI Vol 4, No 1 (1997)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Studies on the soil nutrient status of a degraded forest under traditional gold mining have been conducted in a forest area in Bojong Pari,Sukabumi,West Java by analyzing nutrient content of soil taken from degraded forest and also from the adjacent virgin forest as a control. Meanwhile, litter deposits from forest floor were collected to be compared. The result showed that the soil is belongs to clay type with the acidity ranged between (based on H2O 1:2,5) 4,72-4,83.Soil macro nutrient content from degraded forest showed N 0,041%; P 0,059 mg/100 g and K 0,222 ppm, this value are lower than that from virgin forest. The litter deposits ( dry weight) taken from degraded forest are 110,53 g/m lower than the virgin forest (230,42 gAn ).It means that traditional gold mining has changed the nutrient status of the Bojong Pan Forest area.

PENGARUH PERENDAMAN LARUTAN ETHREL TERHADAP KECEPATAN MASAK DAN KUALITAS BUAH PISANG AMBON (MUSA PARADISIACA LINN.) SETYOWATI, N.; INDARTO, INDARTO
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

N. SETYOWATMNDARTO,1987.The effect of dipping in Ethrel solution on ripening rate and quality of pisang Ambon (Musa paradisiaca LINN) fruits. Suppl.Berita Biologi 3 : 20 - 25.The solution of ethrel for dipping were 750 pprn, 1000 ppm and it were dipped for 2, 4, 8 minutes and control (untreated).The results showed that the treatment accelerated the ripening of pisang Ambon faster 9-1 1 days than control.These werehighly significant difference according to Duncan's multiple range test, P = 1%.The observation indicated that the colour changes,firmness and vitamin C contents did not significanly difference compared to control on every stage of the ripening So that to accelerate ripening of pisang Ambon was recommended to use 750 ppm ethrel solution for 2 minutes.

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