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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
 93   94   95   96   97 
HASIL DAN STABILITAS HASIL BIJI KEDELAI {GLYCINE MAX (L.) MERR.} GALUR HARAPAN DI LAHAN SAWAH Krisnawati, Ayda; Adie, M Muchlish; Susanto, GWA
BERITA BIOLOGI Vol 12, No 1 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i1.524

Abstract

Soybean {Glycine max (L.) Merr.} varieties with consistently high yield productivity across environments are expected to maintain its production level per area.The objectives of this experiment are to determine the magnitude of G × E interaction and to identify the stability of eight soybean promising lines across locations. Materials consists of eight soybean promising lines (G100H/SHRW-60-38, SHRW-60/G100H-73, SHRW-60/G100H-68, SHRW-60/G100H-66, G100H/SHRW-34, SHRW-60/G100H-5, SHRW-60/G100H-70 and SHRW-60/G 100 H-75) and two check varieties (Kaba and Wilis). The experiments were done in 16 locations (Lampung Tengah, Yogyakarta, Ngawi, Mojokerto, Pasuruan, Malang, Banyuwangi and Lombok Barat, two locations each) during the period of 2009 to 2011. A randomized completely block design with four replicates was used in each location. AMMI analysis (Additive Main Effects and Multiplicative Interaction) was applied to assess the yield stability of those 10 genotypes, and then interpreted in biplot graphic of seed yield for principal components 1 (IPCA1) with the principal component 2 (IPCA2). Seed yield of the 10 soybean lines ranged from 2.63-3.02 t/ha, with 2.81 t/ha in average. The highest yield was obtained by G6 (SHRW-60/G100H-5), whereas G3 (SHRW-60/G100H-68) had the lowest seed yield.The combined analysis showed that lines, locations, and the interaction of lines and locations (G × L) were significantly different for seed yield.The first four Interaction Principal Component Axes (IPCA1, IPCA2, IPCA3 and IPCA4) were significant and accounted for 85.1% of the total GEI. Lines of G100H/SHRW-60-38 (G1), SHRW-60/G100H-66 (G4) and SHRW-60/G100H-5 (G6) were stable and high yielding, and therefore they are proposed to be released as new varieties. The results of this study also suggested that Kaba and Willis were used as specific-check varieties, due to its site-specific adaptability.
PENGARUH PERENDAMAN TANAH DAN PEMUPUKAN TERHADAP VIRULENSI PLASMODIOPHORA BRASSICAE WOR. PADA TANAMAN CAISIN (BRASSICA CHINENSIS L.) Supriyati, Dyah
BERITA BIOLOGI Vol 3, No 9 (1989)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i9.1298

Abstract

DYAH SUPRIYATI. 1989. The influence of soil inundation and fertilizer to the pathogenecity of Plasmodiophora brassicae Wor. on caisin plant. Berita Biologi 3(9): 463 - 466: Caisin (Brassica chinensis L.) is a member of family Btassicaceae. One of the important diseases that usually attack the plant is swollen root disease (clubroot). The disease is caused by an obligate parasitic fungi i.e. Plasmodiophora brassicae Wor.The pathogen is very difficult to be destroyed, because it has resting spore that remain viable in the soil for a long time.The purpose of this study is to know the influence of soil inundation and fertilizer to the pathogenecity of P. brassicae on caisin plant. The test design is Completely Randomised Design (CRD) with two treatments , soil inundation for 5 days, 10 days, 15 days and 20 days; giving urea, TSP, KC1, mixture of urea, TSP and KC1 fertilizer, lime and control.The observation was performed when the plant has frown for 25 days in the pot. The result of observation is that the treatments with lime, mix true of urea, TSP and KC1 fertiliser, 20 days and 15 days soil inundation decrease the grade of attact of P. brassicae on caisin plant.
PENGARUH PEMBERIAN BUI PHASEOLUS LUNATUS DALAM RANSUM TERHADAP KONSUMSI PAKAN DAN PERTAMBAHAN BOBOT BADAN AYAM KAMPUNG DARJONO, DARJONO; PRAWIRADILAGA, DEWI MALIA
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.v3i7.1381

Abstract

DARJONO & DEWI MALIA PRAWIRADILAGA 1987. Effect of level of Phaseolus lunatus seeds in the native chicken ration on feed consumption, and body weight gain Suppl. Berita Biologi 3 :61 -65. The experiment was aimed to obtain a basic guide of the amount of P., lunatus in chicken ration during growing period. Observation using 25 cockerels and 25 pullers, was based on Completely Randomized Design. The treatment consisted of level of P. lunatus in the ration, namely RK (as control ration), RI, RII, RIII, and RIV, containing 0%, 5%, 10%, 15%, and 20% respectively. Data was analyzed using Analysis of Variant, and the difference was tested by Honestly Significant Different Test. The results showed that the level of P. lunatus up to 20% had no significant effect (P > 0,05), on feed consumption and body weight gain during growing period. The highest feed efficiency for the cockerels was RI (0,0593) followed by RK (0,0559), RIII (0,0506), RIV (0,0478), and RII (0,0350) respectively; whereas for the pullets was RII (0,0267) followed by RK (0,0262), RI (0,0225), RIII (0,0220), and RIV (0,0102) respectively.
PERBANDINGAN ANTARA ALANTOIN (5 UREIDOHYDANTOIN) DENGAN BETADINE® (POVIDONE IODINE) UNTUK PENGOBATAN LUKA BVSISI Subekti, Didik Tulus
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i4.1265

Abstract

Study on the comparison between allantoin (5 ¢ ureidohydantoin) and Betadine ® (povidone iodine) was conducted to compare and evaluate their efficacy, especially to accelerate wound (incision) healing. Treatment divided into three groups, first group is Control (without therapy), second group is allantoin treatment and the last one is Betadine ® treatment. Allantoin obtained from cattle's urine by Meissner method. The solution made of 2,4 grams of allantoin in 600 milliliters aqueous solution. Treatments (therapies) were given three times a day topically. Results showed no significant difference between allantoin and Betadine ® treatments (p > 0,05), control and the other treatments i.e allantoin and Betadine ® therapies have significantly difference (p < 0,01).
FLUKTUASI KOMUNITAS FITOPLANKTON DI WADUK MALAHAYU, BREBES, JAWA TENGAH MULYADI, MULYADI
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.v3i3.1349

Abstract

MULYADI.1985. Phytoplankton community of Malahayu reservoir,Brebes,Central Java. Berita Biologi 3 (3) : 91 - 94. This study was carried out from July to October 1982, and a number ol 23 genera of phytoplankton was recorded.The population of Chlorophyceae was found to be the highest.The highest density of the phytoplankton community was recorded in September while the lowest density in August. The distribution of ftiytoplanktons in five stations was found to be relatively equal.
THE JAVANESE PALM FLORA, FIRST IMPRESSION Dransfield, J.
BERITA BIOLOGI Vol 1, No 3 (1971)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i3.1442

Abstract

In comparison with other South East Asian palm floras, the Javanese palm flora is relatively small; there are about 50 species native to the island, With the long history of botanical exploration in Java,and the large concentration of botanists in the island, it would seem surprising if much new remained to be discovered on the island.However, palms are [usually neglected and after my first three months collecting in West Java and working in the Herbarium Bogoriense,it has become obvious that we still know very little of the Taxonomy and natural history of the native Javanese palms.
KARAKTERISASI ß-1,3-1,4-GLUKANASEBAKTERI ENDOFITIK BURKHOLDERIA CEPACIA ISOLATE76 ASAL TANAMAN PADI Manzila, Ifa; Priyatno, Tri Puji; Fathin, Muhammad Faris; Ambarsari, Laksmi; Suryadi, Yadi; Samudera, I Made; Susilowati, Dwi Ningsih
BERITA BIOLOGI Vol 14, No 2 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v14i2.1819

Abstract

Pathogenic fungus is one of the constraints to increase crop production. Chemical control using fungicides caused negative effects either to the environment or increased pathogen resistance to fungicide. Biological control using microbial-producing ß glucanase is an alternative method to inhibit the growth of pathogenic fungus. The aim of this study was to characterize ß-1,3-1,4-glucanase produced by rice endophytic bacterium, B. cepacia E76. Purification was carried out by ammonium sulphate precipitation, dialysis, and ion exchange chromatography using DEAE sepharose Fast Flow. A further characteristic of the enzyme activity was studied using oatmeal-glucan substrate.Results showed that precipitation using saturated 80% ammonium sulphate generated a good yield with the purity increased by 11 fold and yield of 66%.After chromatography step, the ß-1,3-1,4-glucanase of B. cepacia was successfully purified with an increasedof purity up to 33 fold and yield of 4%. Based on 10% SDS-PAGE, the enzyme profiles had the molecular weight of 15, 48 and 55 kDa.Of the three isozymes, only the 48 kDa isozyme showed the strongest glucanase activity when grown on media containing glucan as substrate.
AGRONOMIC CHARACTERS OF DROUGHT-TOLERANT SOYBEANS AT THE REPRODUCTIVE STAGE Adie, M. Muchlish; Krisnawati, Ayda
BERITA BIOLOGI Vol 18, No 3 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v18i3.3365

Abstract

In Indonesia, soybeans are typically cultivated during the dry season, thus making it prone to drought stress in the reproductive stage. The objective of the research was to characterize the agronomic characters of several soybean genotypes which were tolerant to drought at the reproductive stage. A total of 19 soybean genotypes were evaluated for its agronomic characters and tolerance to drought stress in Probolinggo (East Java, Indonesia) during the dry season (June ? September). The research was arranged in a randomized block design with four replicates. Soybean cultivars were sown at two separate experiments, normal/optimal (plants were irrigated during the growth period) and stress (plants were irrigated up to 40 days after planting) conditions. Drought stress during the reproductive stage did not affect the characters of plant height, the number of branches per plant, the number of nodes per plant, and the number of pods per plant. Meanwhile, the number of empty pod, seed weight per plant, and seed yield were significantly affected. There were two genotypes which were identified as the tolerant genotypes to drought stress at the reproductive stage, i.e. MDT15-6-11 and MDT15-W-3034. The agronomic characters of MDT15-6-11 were showed as having a low percentage of yield reduction, hence it was able to mantain its high yield. The MDT15-W-3034 was identified as drought-tolerant due to the slow wilting, high plant character, a slow vegetative phase, and high yields. The genotypes obtained from this study could be recommended to be released as new soybean drought-tolerant varieties due to its high yield and tolerant to drought stress. Those genotypes could also be used as gene donors for soybean improvement to drought stress at the reproductive stage.  
KEONG GONDANG PILA AMPULLACEA : MAKANAN DAN REPRODUKSINYA (GASTROPODA : AMPULLARITOAE) DJAJASASMITA, MACHFUDZ
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.v3i7.1321

Abstract

M. DJAJASASMITA. 1987. The apple-snail Pilaampulacea: its food and reproduction (Gastropoda: ampullariidaej. Berita Biologi 3(7) : 342 - 346. The food and reproduction of the apple-snail Pila ampullacea have been studied in the laboratory, reared in aquarium, fed with dead papaya leaves (Carica papaya) and water hyacinths (Eichhomia. crassipes); shrimp crips and fish pellets which are fed by way of trial, were readily eaten.The eggs, 5-10 mm in diameter, are laid in clusters of 15-50 or more, on the aquarium walls about 10 cm off water level. In its natural habitat, in Lake Maja; West Java, the eggs clusters are found stickedon the stems of the kirai palms (Metroxylon rumphii) (which grow densely in the lake) about 75 cm above water level.In the ponds of the Bogor Botanical Garden, the egg cluster were attached on the stems of the aquatic plants (Cyperus papyrus, Hanguana malayana, Sagittaria lancifolia and Thali geniculata) 20-70 cm off the water edge.The egg cluster is covered by a calcareous layer, it is presumed, that this calcareous covering may absorbed dew/rain water, to prevent the eggs desiccating, Some egg clusters laid in the laboratory which are not provided by calcareous layer (it seems due to the physiological disturbance) were desiccating and failed to hatch. The females may deposit 1-2 egg clusters monthly in the rainy season, or may not at,all in the dry season. The peak of the spawning is coincided with the rainy season.
KUALITAS UMBI BEBERAPA KLON KENTANG (SOLANUM TUBEROSUM L.) DATARAN MEDIUM UNTUK KERIPIK Asgar, Ali
BERITA BIOLOGI Vol 12, No 1 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i1.515

Abstract

Quality testing of several potato clones (Solanum tuberosum L.) planted at mid level area for potato chips. Objective of the research is to test the quality of clones/cultivars resulted from selection. Quality test of 8 selective clones was conducted from November 2010 to February 2011 in post-harvest laboratory of Research Institute for Vegetables Lembang. Research was arranged in randomized complete block design with 4 replications. Treatments consisted of 1) klon 395195.7, 2) klon 397073.7, 3) Granola (control), 4) Merbabu-17(control), 5) 394614.117, 6) CIP 3970.77.16, 7) CIP 391846.5, and 8) CIP 394613.32. The result of research showed that differences in potato clones (as raw material) have different characteristic on specific gravity, dry matter, reducing sugar content, moisture content, starch content. There were also differences in oil content, color, flavor, crispyness and appearance of chips produced. The best clones for potato chips were Merbabu-17 (specific gravity 1.08 g/ml, dry matter 11.18%, reduction sugar 0.60%, moisture content 88.82%, starch content 4.52% and fat content of chips 38.66%), and CIP394613.32 (specific gravity 0.99, dry ingredient 12.17%, reduced sugar 0.09%, moisture content 87.83%, starch content 3.50%, fat content of chips 28.25%), and Granola (specific gravity 1.02, dry matter 17.70%, reduction sugar 0.12%, moisture content 82.30%, starch content 6.67%, fat content of chips 38.21%).

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