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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
 198   199   200   201   202 
PENGARUH PEMUPUKAN PADA BUDIDAYA JAGUNG AHUKLEAN DI BESIKAMA, BELU, NTT Charles Y Bora; B Murdolelono
BERITA BIOLOGI Vol 8, No 1 (2006)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v8i1.816

Abstract

Influence of fertililizing to Ahuklean corn cultivation was done in Fahiluka Village, Malaka Tengah Sub-district, Belu District, East Nusa Tenggara Province, during hot season, between August to November 2003. The aim of this research to get appropriate fertilizing method in ahuklean corn cultivation. The research was laid in RBD with 8 treatments of fertilizing and 3 replications.The size of plot treatment was 10 m x 10 m, plant distance was 100 cm x 40 cm, using Hybrid Pioneer corn variety with 3 seeds/hole. Parameters to be observed including growth and production, plant height at 15 days old, 45 days old, stem diameters; length and diameter of corn swollen, yield of dry grain and weight per 1000 grain. Results showed that fertilizing is not significantly influence the vegetative growth but corn yield and weigth per 1000 grain. The urea 100 kg/ha + SP-36 50 kg/ha with drilled method beside plant (PI) giving higher yield i.e. 4,50 t/ha. Using PPC Greentonic in 2 times spread (P7) is assumed as an alternative for ahuklean corn fertilizing, because it is able to increase the yield production up to 3,47 t/ha.
PENGELOLAAN AIR, BAHAN ORGANIK DAN VARIETAS ADAPTIF UNTUK MENINGKATKAN HASIL PADI DI LAHAN RAWA PASANG SURUT Koesrini Koesrini; Khairil Anwar
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.v16i1.2268

Abstract

Iron toxicity is a factor causing low rice yield on tidal swamp land (TSL).Soil quality improvement by using water management, organic matter and introducing adaptable varietywere some options to increaseits productivity in the soils. Field experiment was conducted to  evaluate effects of applying water management, organic matter and adaptable variety to increase its productivity on a TSL of KP Belandean, Barito Kuala District of South Kalimantan, during dry season of 2010. The research was arranged in a split-split-plot design with three  replicates. The main plots were two water management, i.e: P0 = without water management (control) and P1= intermittent water management, while sub plots were three organic matter application, i.e: B0 = without organic matter application (control), B1 = straw  compost 3 t/ha, B2 = manure 2 t/ha, and sub sub plots were five rice varieties, i.e. V1 = Mekongga, V2 = Inpari 1, V3 = Ciherang, V4 = Silugonggo and V5 = Margasari. The result showed that there was interaction between water management and variety tested on rice yield in TSL. The highest yield was reached by Inpari 1 variety which treatment intermitten water management, with  yield i.e. 5.390 t/ ha.Silugonggo and Ciherang was not suitable to cultivate on TSL. The implication of this research was variety recomendation on a tidal swamp land, i.e. Inpari 1 variety and intermitten water management. 
KONSERVASI EX SITU CENDANA (Santalum album L.): APLIKASI DAN TANTANGANNYA Soekotjo Soekotjo
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.v5i5.1459

Abstract

Managing genetic resources of cendana/sandalwood (Santalum album L)requires an understanding of the biological dynamics of its population in which they exist. There are two strategies of conservation i.e. maintaining existing protected areas (in situ) and ex situ collections of various types.Ex situ methods include gene banks: clonal bank and breeding population. The two methods (in situ and ex situ) are complementary. Preservation of genetic resources in gene bank is essential for users of germplasm who need ready access.Ex situ conservation plantations are expensive to establish and maintain, and their use will thus be generally confined to species/ provenances of proven socio-economic value. This paper discussing collection of genetic resources of several population and establishment/ management of ex-situ conservation plantations.
ANATOMI DAN KANDUNGAN KLOROFIL DAUN KELADI TIKUS {Thyponiumflageliforme (Lodd.) Bl.} PADA BERBAGAI INTENSITAS CAHAYA Titi Juhaeti
BERITA BIOLOGI Vol 5, No 4 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i4.1131

Abstract

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REGENERASI TUNAS DARI KALUS YANG TELAH DIBERI PERLAKUAN IRADIASI PADA PADI VARIETAS FATMAWATI Rossa Yunita; Endang G Lestari; Iswari S Dewi
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.v11i3.506

Abstract

Gamma ray mutative induction for increasing genetic variation has been applied for plant prime variety engineering. The materials are derrived from seed organ, shoot and calli. Calli is a group of actively dividing cell and have not been organized to form plant. The benefit of using calli explant is that the gamma ray could directly shot to DNA in the nuclear cell in such a way that there is higher opportunity for genetic change to occur. The problema of using calli explant are the difficulties in regenerating the calli into shoots, due to the deformation as a result of radiation process. Therefore, this research is aimed at obtaining the appropriate media formulation for shoot regeneration from Fatmawati-rice calli which has been irradiated with gamma ray. The reseach was conducted in BB-Biogen laboratory consisting of three experiments, such as : (1) calli iradiation with the dosage of 0; 5; 10; 15; 20; 25; 30; 35; 40; 45; 50; 55 and 60 Gy, (2) shoot regeneration at the MS + BA (0, 1, dan 3 mg/l) + IAA (0 dan 0,8 mg/l) media, and BA (0, 1, and 3 mg/l) + zeatin ( 0; 0,1; 0,2 and 0,3 mg/l) + IAA 0,8 mg/l and (3) Shoot induction at MS + IBA (0, 1, 2 and 3 mg/l) media. The result shows that the range of LD50 was obtained at the dosage of 30 Gy, the most apropriate media for shoot regeneration is MS + BA 3 mg/l + IAA 0,8 + zeatin 0,1 mg/l and media for root induction is IBA 1 mg/l.
SELEKSI BERBANTUKAN MARKA MOLEKULER UNTUK PEMBENTUKAN CALON VARIETAS PADI TURUNAN ESENSIAL SITU PATENGGANG Siti Yuriyah; Dwinita Wikan Utami; Siti Nurani; Anggiani Nasution; Puji Lestari; Ahmad Dadang; Suwarno Suwarno
BERITA BIOLOGI Vol 18, No 1 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v18i1.3233

Abstract

The utilization of molecular marker technology for Blast (Pyricularia grisea) resistance in rice breeding could accelerate and improve the precision of selection. This study aimed to identify and to select the BC3F2 progenies from Situ Patenggang and the opted Blast Monogenic Lines based on their resistance to blast disease in green house and field using molecular characterization. A total of 200-300 BC3F2 population strains resulted in 4 crosses between Situ Patenggang varieties and Monogenic Varieties IRBLta2-Re, IRBLkp-k60, IRBLi-F5 and IRBLa-A were used as total genetic material in the study. Blast resistance assay was initially carried out in a greenhouse and further selection was conducted in the endemic blast area, Sukabumi. The selected Molecular marker  was STS (Sequence Taq Sites) marker for foreground selection and 384-SNPs (Single Nucleotide Polymorphism) chip for background selection. The number of lines from each cross was selected by greenhouse assay i.e: 25 lines derived from Situ Patenggang/IRBLta and Situ Patenggang/IRBLkp, 21 plants for crossing Situ Patenggang/IRBLi, and 22 plants for Situ Patenggang/IRBLa-A. The results of field  experiment revealed that blast resistance response of the selected lines was varied from  0 to 5. Lines of foreground were successfully selected using STS markers specified for Pii, Pita, Pikp and Pia genes. As for the background selection by SNPs markers, some lines carried the recurrent parent genetic background, Situ Patenggang. Overall, 20 resistance lines that harbored the target genes and Situ Patenggang background were obtained. Further observation was entailed to these twenty selected lines in order to attain promising lines candidate for blast resistance.    
RESPON TANAMAN JAGUNG VARIETAS LOKAL NTT UMUR SANGAT GENJAH (PENA TUNU’ ANA’) TERHADAP CEKAMAN KEKERINGAN  Tri Murningsih; Kusumadewi Sri Yulita; Charles Y. Bora; I.G.B. Adwita Arsa
BERITA BIOLOGI Vol 14, No 1 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v14i1.1865

Abstract

In dry land areas such as Nusa Tenggara Timur (NTT), low production of maize may due to selection of using local varieties that are mostly drought tolerant.One of the local varieties known as Pena Tunu’ Ana’ have been harversted in very early age of 1.5 month, hence it was categorised as very early mature maize. This variety is therefore play an important role in the food security system for people in NTT as they can be harvested earlier than other varieties. However, no information has yet on how this variety response to drought stress. Drought stress is one of the factors causing the decline in maize production. This study was conducted at experimental house in Cibinong Science Centre (CSC) to evaluate responses of Pena Tunu’ Ana’ against drought stress treatment. The experiment was done in six degree of drought treatments, 0 (control), 4, 8, 12, 16 and 20 days with 4 replications. Parameters measured were soil water, relative leaf water,proline and sugar content in leaves and roots at each level of drought stressed. Results showed that with increasing level of drought stress,soil water and relative leaf water content were decreased while proline and sugar content were increased. At the same level of drought stress, accumulation of proline and sugar in the roots was higher than those in the leaves. Drought stress terminated at 16 days, where the roots content of proline reached 10.36 mg/g and sugar 110.91 mg/g, while the leaves content of proline was of 2.84 mg/g and sugar was of 38.44 mg/g. At the level of drought stress during 16 days, the plants suffered temporary wilting but refreshed after watering.
THE REPTILES SPECIES IN GUNUNG HALIMUN NATIONAL PARK, WEST JAVA, INDONESIA*[Reptilia di Taman Nasional Gunung Halimun, Jawa Barat, Indonesia] Hellen Kurniati
BERITA BIOLOGI Vol 7, No 1&2 (2004)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v7i1&2.1238

Abstract

Tiga puluh satu jenis reptilia dijumpai di Taman Nasional Gunung Halimun selama penelitian herpetofauna yang berlangsung dari bulan Oktober 2001 sampai bulan Agustus 2002. Ketiga puluh satu jenis yang dijumpai tersebut terdiri dari 3 jenis dari suku Gekkonidae, 7 jenis dari suku Agamidae, 1 jenis dari suku Lacertidae, 4 jenis dari suku Scincidae, 1 jenis dari suku Boidae, 13 jenis dari suku Colubridae, 1 jenis dari suku Elapidae dan 1 jenis dari suku Viperidae.Kadal jenis Sphenomorphus puncticentralis adalah satu-satunya jenis yang endemic di Jawa yang dijumpai di TNGH.Kadal jenis Mabuya multifasciata paling sering dijumpai dan jumlahnya berlimpah; jenis ini dapat dijumpai tersebar luas di setiap tipe habitat yang terdapat di TNGH.Yang juga sering dijumpai adalah dua jenis ular Ahaetulla prasina dan Dendrelaphis pictus; kedua jenis ular ini kerap dijumpai di dalam hutan primer dan hutan sekunder pada ketinggian 700 sampai 1500 meter dari permukaan laut.
PENENTUAN STATUS MUTU AIR DENGAN METODE STORET DIDANAU SENTANI JAYAPURA PROPINSI PAPUA Auldry F Walukow
BERITA BIOLOGI Vol 10, No 3 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v10i3.742

Abstract

The problem in Lake Sentani area are degradation of watershead and land forest convertion, which cause decreasing water quality in Sentani Lake. For this reason, it is very important to analyze of water quality status in L. Sentani periodically in order to retain its sustainability. The analyzed result by using STORET method showed the quality statue of L.Sentani are ranged from moderate to heavy pollution in category since 2006.
UJI AKTIFITAS ENZIM SELULASE DAN LIGNINASE DARI BEBERAPA JAMUR DAN POTENSINYA SEBAGAI PENDUKUNG PERTUMBUHAN TANAMAN TERONG (Solarium melongena) YB Subowo
BERITA BIOLOGI Vol 10, No 1 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v10i1.2044

Abstract

The objective of this study was to obtain effective and beneficial microorganism specially fungi, which are able to stimulate and increase eggplant growth. Four lignocellulolytic fungi {Mucor sp. M13T, Aspergillus sp. M2P, Penicillium sp.M3P1, Penicillium sp. R 7.S and mixture of them) were evaluated for their ability to promote plant growth through provision of availability of soluble carbon finally stimulate beneficial microbial growth, and thus promoting eggplant growth. Aspergillus sp. M2P having cellulolytic activity (0.0612 U/ml) and Penicillium sp. M3P1 having ligninase capacity showing different plant growth stimulation on character and yield coefficient. Penicillium sp. M3P1 more effective to increase plant growth than that of control.While Aspergillus sp. M2P was less effective compared to Penicillium sp. M3P1. Therefore,we recommended using Penicillium sp. M3P1 as plant growth promoter for eggplant.

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