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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 24 Documents
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Search results for , issue "Vol 15, No 1 (2016)" : 24 Documents clear
THE EFFECT OF CULTURE MEDIA AND ACTIVATED CHARCOAL ON ASYMBIOTIC SEED GERMINATION AND SEEDLING DEVELOPMENT OF A THREATENED ORCHID Dendrobium taurulinum J.J. Smith IN VITRO [Pengaruh Media Kultur dan Arang Aktif pada Perkecambahan Biji dan Perkembangan Seedling Anggrek Langka Dendrobium taurulinum J. J. Smith in vitro] Siti Nurfadilah
BERITA BIOLOGI Vol 15, No 1 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v15i1.2857

Abstract

Seed germination and seedling development are an initial and crucial stage in the plant growth and development. Many factors influence seed and seedling development. The aim of the present study was to investigate the effects of different culture media (KC, VW, and MS) and the concentration of activated charcoal (0 g/l and 2 g/l) on asymbiotic seed germination and seedling development of a threatened  orchid, Dendrobium taurulinum. Results showed that germination occurred regardless of culture media type, however the percentage of seed germination was higher on media with 2 g/l activated charcoal (> 90 %) than on media without activated charcoal (0 g/l). After 12 weeks asymbiotic seed culture, seeds sown on media with 2 g/l activated charcoal grew and developed more rapidly to leaf-bearing protocorms (seedlings) compared to media without activated charcoal.The highest occurrence of advanced seedlings (stage 4, 89.77%) was  observed on MS medium with 2 g/l activated charcoal.
EFEKTIVITAS KOMBINASI VAKSIN BAKTERI POLIVALEN DENGAN VAKSIN ANTI GROUPER SLEEPY DISEASE IRIDOVIRUS (GSDIV) PADA IKAN KERAPU MACAN (Epinephelus fuscoguttatus) Zafran Zafran
BERITA BIOLOGI Vol 15, No 1 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v15i1.2862

Abstract

One problem in mariculture is mortality caused by diseases. An experiment to evaluate the effectiveness of polyvalent bacterial vaccine combined with anti GSDIV vaccine was conducted in the Institute for Mariculture Research and Development, Gondol, Bali. Polyvalent bacterial vaccine was combined of three inactivated pathogens, i.e. Vibrio harveyi, V. alginolyticus, and Photobacterium leioghnathi. Polyvalent bacterial vaccine administered through bathing method whereas GSDIV vaccine given through intra-peritoneal injection on tiger grouper. The fish was reared for three months in concrete tanks equipped with filter and aeration systems. The fish were fed with dry pellet twice a day. The results showed that titer antibody and survival rate of vaccinated fish were higher than unvaccinated one. The highest titer antibody was obtained on fish vaccinated with GSDIV vaccine (128) followed by fish vaccinated with polyvalent bacterial vaccine (32-64) and combination of polyvalent bacterial vaccine with GSDIV vaccine (32-64), respectively. Relative Percentage Survival (RPS) of vaccinated fish following challenge with live bacteria and virus were ranged from 65-84%. It is suggested that vaccines effective to enhance immune protection of tiger grouper fish against bacterial and viral infections.
MAKNA NILAI PENTING BUDAYA KEANEKARAGAMAN HAYATI TUMBUHAN BAGI MASYARAKAT DI TAMAN NASIONAL KERINCI SEBLAT DI KABUPATEN KERINCI, PROPINSI JAMBI Asvic Helida; Ervizal A.M. Zuhud; Hardjanto Hardjanto; Y. Purwanto; Agus Hikmat
BERITA BIOLOGI Vol 15, No 1 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v15i1.2853

Abstract

Index of Cultural Significance biodiversity plants in ethnobotanical study was an important step for seeking a strategy for subsisten activity. This study was aimed to identify utilised plants that have the highest value at Kerinci community. The current study was conducted in three villages within the Kerinci Regency, Jambi Province, which located close to the Kerinci Seblat National Park: Baru Lempur, Lama Tamiai, and Ulu Jemih for 8 months (October 2013 to May 2014). Data was obtained by implementing  participation-observation method through interviews. Estimation of cultural significance for every plant species observed using the Index for Cultural Significance (ICS). Results indicated that the people of Kerinci possessed good knowledge on the biodiversity of their surrounding. Two hundred and thirty four species of useful plants we recorded with ICS value ranging from 3 to 59. Rice (Oryza sativa; Poaceae) and Cinnamon (Cinnamomum burmannii; Lauraceae) had highest ICS value, whereas ‘inggu’ (Ruta angustifolia; Rutaceae) and ‘bunching onion’ (Allium fistulosum, Amaryllidaceae ) have the lowest ICS value.
STUDI PERTUMBUHAN ANAKAN POHON PADA PETAK PERMANEN DI HUTAN DATARAN RENDAH TAMAN NASIONAL GUNUNG GEDE PANGRANGO Siti Sundari
BERITA BIOLOGI Vol 15, No 1 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v15i1.2858

Abstract

Study of seedling growth was conducted at permanent plot in lowland forest of Gunung Gede Pangrango. The aim of this research was to determine the relationship between growth parameters such as number of seedling leaves, diameter, the depth of soil organic material and tree height of each seedling at the permanent subplot 5 x 5 m.The results showed that basal area, diameter, and the depth of soil organic material did not significantly affect on the number of seedling leaves, whereas basal area and the depth of soil organic material significantly affected on seedling diameter at each permanent subplot 5 x 5 m. For the trees height at the permanent subplot, it did not significantly affected on the number of seedling leaves, diameter, basal area and the depth of soil organic material. Diameter seedling and the depth of soil organic material were suspected as the main factors for the growth parameters of seedling growth in this area.

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