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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 12 Documents
 1   2 
Search results for , issue " Vol 6, No 5 (2003)" : 12 Documents clear
AMFIBIA DAN REPTILIA CAGAR ALAM GUNUNG SUPIORI, BIAK-NUMFOR: DAERAH KORIDO DAN SEKITARNYA Kurniati, Hellen
BERITA BIOLOGI Vol 6, No 5 (2003)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (339.872 KB) | DOI: 10.14203/beritabiologi.v6i5.1194

Abstract

During three weeks field work survey (16th June-7 July 1999) on seven habitat types in Gunung Supiori Nature Reserve, Biak-Numfor District, Papua 21 species of reptiles (six species of geckos, nine species of skinks, one species of monitor lizard and five species of snakes) and two species of amphibians were found.On all of identified species, no one is endemic species in Supiori Island, although the island has drifted for 200 million years ago.The phenomena has been occurring in this area is tend to be Brown Phenomena (Brown, 1997).Based on information from local people, two species of sea turtles (Chelonia mydas and Eretmochelys imbricata) occur barely in surrounding waters and population status of Crocodylus porosus the species that inhabitant in mangrove has already been extinct since 1980-year era.Population status of reptiles that listed in Appendix II CITES, such as Candoia aspera and some species of reptiles and frogs that listed as non-appendix CITES are almost still in good condition; the good population status is also occur on protected monitor lizard Varanus indicus.
PERBANYAKAN TANAMAN WIEP {Grevillea papuana) SECARA KULTUR JARINGAN Sukamto, L Agus
BERITA BIOLOGI Vol 6, No 5 (2003)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.635 KB) | DOI: 10.14203/beritabiologi.v6i5.1193

Abstract

The population of wiep (Grevillea papuana) originated from Papua, decreased because of over cutting or over exploitation for timber, ornamental or medicine. Experiment was carried out to propagate wiep by using tissue culture method. Hypocotyls, cotyledons and nodes from seedlings grown in vitro, were used as explants. These explants were grown on Murashige & Skoog medium which macro and micronutrients were half strength, with or without hormones (BA 1 mg/1, BA 1 mg/1 + NAA 0,5 mg/1, BA 2 mg/1 + NAA 0,5 mg/1, BA 1 mg/1 + 2,4-D 0,5 mg/1, and BA 2 mg/1 + 2,4-D 0,5 mg/1).All explants did not produce callus on medium without hormones, but produced callus with hormones except BA treatment on cotyledon explants. Bigger callus were produced by explants that were treated by combination BA with NAA or 2,4-D compare to those treated by BA only. Nodes and hypocotyls could produce shoots, but cotyledons did not. Three kinds of explants did not produce any roots. Node is the best explants for producing shoots.Combination of BA 1 mg/1 and 2,4-D 0,5 mg/1 caused synergistic effect to stimulate shoot production of wiep hypocotyls explants.

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