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Biodiversitas Journal of Biological Diversity
Published by Universitas Sebelas Maret
ISSN : 1412033X     EISSN : 20854722     DOI : https://doi.org/10.13057/biodiv/d230231
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
The Biodiversitas Journal was first published in 2000 by the Department of Biology, FMNS, Universitas Sebelas Maret, Surakarta, Indonesia, then in 2006 it was co-published by the Society for Indonesian Biodiversity and that department; since 2017 it was also hosted by Smujo. From 2003-2012 it was accredited by DGHE, Ministry of Education, R.I., since 2014 was indexed by Scopus, where DOAJ and Google Scholar was indexed first.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 16 Documents
 1   2 
Search results for , issue "vol. 9 no. 4 (2008)" : 16 Documents clear
Genetic variability of Amorphophallus muelleri Blume in Java based on Random Amplified Polymorphic DNA YUYU SURYASARI POERBA; DIYAH MARTANTI
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090401

Abstract

Amorphophallus muelleri Blume (Araceae) is valued for its glucomanan content for use in food industry (healthy diet food), paper industry, pharmacy and cosmetics. The species is triploid (2n=3x=39) and the seed is developed apomictically. The present research is aimed to identify genetic variability of six population of A. muelleri from Java (consisted of 50 accessions) using random amplified polymorphic DNA (RAPD). The six populations of the species are: East Java: (1) Silo-Jember, (2) Saradan-Madiun, (3) IPB (cultivated, from Saradan- Madiun), (4) Panti-Jember, (5) Probolinggo; and Central Java: (6) Cilacap. The results showed that five RAPD primers generated 42 scorable bands of which 29 (69.05%) were polymorphic. Size of the bands varied from 300bp to 1.5kbp. The 50 accessions of A. muelleri were divided into two main clusters, some of them were grouped based on their populations, and some others were not. The range of individual genetic dissimilarity was from 0.02 to 0.36. The results showed that among six populations investigated, Saradan population showed the highest levels of genetic variation with mean values of na = 1.500+0.5061, ne = 1.3174+0.3841, PLP = 50% and He = 0, 0.1832+0.2054, whereas Silo-Jember population showed the lowest levels of genetic variation with mean values na = 1.2619+0.4450, ne =1.1890+0.3507, PLP = 26.19% and He = 0.1048+0.1887. Efforts to conserve, domesticate, cultivate and improve genetically should be based on the genetic properties of each population and individual within population, especially Saradan population which has the highest levels of genetic variation, need more attention for its conservation.Key words: Amorphophallus muelleri, RAPD, genetic variability.
The evaluation of carrier material for increasing qualities of gel inoculum for nata de coco RUTH MELLIAWATI
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090403

Abstract

Producion of nata de coco is growing fast, in line with increasing product of biocellulose demand. It is requrire a pure inoculum to reach the best biocellulose product. The aim of this reseach is to evaluate the most appropriate carrier material of gel inoculum for nata de coco. The four carrier material are Carboxy Methyl Cellulose (CMC), Agar, Sagu starch and biocellulose pap and its inoculated by Acetobacter sp. RMG-2 and A. xylinum. After inoculation, then put in the plastic bag (50 g/bag) and stored in 4° C. The texture of gel, population of cell andbiocellulose production were observer in 7 days. The result shown that all matterial were suitable to used as carrier for gel inoculum. Both CMC and biocellulose pap have good texture as standard qualities. Population of A. xylinum was 1.28x109 cfu/mL (in CMC carrier), 1.6x106 cfu/mL (in biocellulose pap carrier) after 15 weeks. The weight of biocellulose production was 500 g/L and 740 g/L medium respectively. While the population of Acetobacter sp. RMG-2 on CMC carrier was 1.79x108 cfu/mL and 7.75x107 cfu/mL on cellulose carrier with the weight of biocellulose production 630 g/L and 775 g/L medium respectively. Thus, the carrier material (CMC and Biocellulose pap) are able to keep bacteria without loss their capability to produce cellulose.Key words: Acetobacter sp. RMG-2, Acetobacter xylinum, carrier material, gel inoculum, nata de coco.
The Indonesian Species of Rennellia Korth. (Rubiaceae) SURATMAN SURATMAN
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090404

Abstract

The objective of the research was to investigate the Indonesian species of Rennellia Korth. based on their morphological characters. The investigation on morphological characters was based on herbarium specimens at the Herbarium Bogoriense and Herbarium Andalas University. Additional specimens also were collected during the course of the field work. There are four species recognized, i.e., Rennellia elliptica Korth., Rennellia elongata (King & Gamble) Ridl., Rennellia morindiformis (Korth.) Ridl. and Rennellia speciosa (Wall. ex Kurz) Hook.f. An identification key to the species was produced and detailed description of the taxa was also provided. The natural history data including habitat, distribution, uses and vernacular names were also presented.Key words: Rennellia Korth., Indonesia, morphological characters
Genetic implication of Shorea johorensis Foxw propagation methods in selective cutting and line planting silvicultural system ISKANDAR ZULKARNAEN SIREGAR; TEDI YUNANTO; PRIJANTO PAMOENGKAS
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090402

Abstract

Attempt to rehabilitate degraded natural forests in Indonesia is recently carried out by applying selective cutting and line planting (TPTJ) silvicultural system. One of the most important aspects of TPTJ silvicultural system is the procurement methods of large number of planting stocks. Shorea johorensis Foxw was investigated in this regards as one of promising Shorea species for rehabilitating degraded forests due to its fast growing character. The species is usually propagated by three different propagation techniques, namely up-rooted seedlings, seeds and cuttings. Genetic consequences due to different propagation methods in this species are poorly known and need to be studied in order to determine genetic variation and differentiation. Material from five origins (populations), namely: (i) up-rooted seedlings, (ii) seeds, (iii) cuttings, (iv) young plantation and (v) natural forest were randomly taken in the field and subsequently assessed by RAPD using threepreviously tested random primers of OPO-11, OPO-13 and OPO-16. Results showed that natural tree populations showed the highest levels of genetic variation with mean values na = 1.2593, ne = 1.2070, PLP = 25.93% and He = 0.1109. Cutting populations showed the lowest levels of genetic variation with mean values na = 1.1111, ne = 1.0773, PLP = 11.11% and He = 0.0445. Meanwhile, according to the propagation techniques, up-rooted seedling population revealed the highest levels of genetic variation with mean values na = 1.2222, ne =1.1613, PLP = 22.22% and He = 0.0886. Particular methods of plant propagation in this company, especially cutting method, reduced significant genetic variation of S. johorensis.Key words: Shorea johorensis Foxw, RAPD, genetic variation, silvicultural system
Growth, cellulose, and lignin content of ramie (Boehmeria nivea L. Gaudich) with treatment of Gibberelic Acid (GA3) WIDYA MUDYANTINI
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090406

Abstract

The aims of this research were to: (i) study the effects of gibberellic acid (GA3) to the growth of Boehmeria nivea L. Gaudich, and (ii) study the effects of gibberellic acid (GA3) to the cellulose and lignin content of B. nivea. GA3 could delivered starch hydrolysis that could support α-amylase formation that would increase glucose. Increasing glucose concentration caused the rising of osmotic pressure inside the cell so that the cells expand. The initial synthetic path of cellulose was glucose, as well as lignin. If GA3 could increased the glucose amount inplant, then the cellulose and lignin amount also increased. This experiment use Completely Random Design with one factor, they are concentration gibberellic acid that consist of 6 treatment concentration are GA3 0 ppm, GA3 50 ppm, GA3 100 ppm, GA3 150 ppm, GA3 200 ppm, and GA3 250 ppm. The treatment to the rhizome had been done before it was planted. Some parameters like growth and anatomy parameter are measured. The results showed that treatment GA3 affect to the improvement of bud stem diameter, length of bud stem, thewet weight, dry weight, length of phloem bundle, phloem number, and lignin content but they does not affect to the change of bud number, leaf number, and cellulose content. The treatment of GA3 on GA3 200 ppm show the maximum result to the improvement of bud stem diameter, length of bud stem, the wet weight, dry weight, length of phloem bundle, phloem number, and cellulose content The treatment of GA3 on GA3 250 ppm show maximum result to the improvement of bud number, leaf number, and lignin content.Key words: gibberellic acid, Boehmeria nivea L. Gaudich, growth, cellulose content, lignin content.
Physiological characters of kimpul (Xanthosoma sagittifolium (L.) Schott) in various of light intensity (shading) and water availability ENDANG ANGGARWULAN; SOLICHATUN SOLICHATUN; WIDYA MUDYANTINI
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090405

Abstract

The aim of this research was to study the physiological characters of kimpul [Xanthosoma sagittifolium (L.) Schott] in various light intensity (shading) and water availability. The physiological characters are growth, photosynthetic apparatus, tissue nitrogen and polyphenol content. Information about physiological character of tannia is important in order to their cropping development. The research done in randomizecomplete block design with 2 factors and 3 replicates. The first factor was light intensity (shading) in 3 levels (0%, 55%, and 75%). The second factor was water availability in 4 different fields capacities (40%, 60%, 80% and 100%). The treatments were be done in 6 weeks. There were 8 parameters measured (plant height, dry plant weight, total chlorophyll content, stomata index, nitrogen and polyphenol content. The data were analyzed by analysis of varians, followed by DMRT in 5% confident level. The result showed that the plant height significantly affected by the combinations of treatment (shading and water availability). The treatment also influenced the total chlorophyll content and leaf nitrogen content. The treatment didn’t give significantly effect on stomata index, and pholyphenol content.Key words: Xanthosoma sagittifolium (L.) Schott, light intensity, water availability, growth, nitrogen content, polyphenol.
Artificial pollination in acung (Amorphophallus decus-silvae Back. & v.A.v.R.) MADE SRI PRANA
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090411

Abstract

A study was conducted on artificial pollination, both self and cross pollinations, of Amorphophallus decus-silvae Back. & v.A.v.R. planted in a house yard in Bogor. It was observed that no fruit set was resulted from self pollination. On the other hand cross pollination successfully produced numerous fruits. It was suggested that phenomena was due to protogenic character rather than self incompatibility mechanism of the species. The stigmas mature 1-2 days earlier than the anthers (pollen shedding). Such a case was also reported earlier by otherauthors in A. titanium Becc.Key words: acung, Amorphophallus decus-silvae Back. & v.A.v.R., pollination, fertilization, fruit, seed.
Tree species distribution along the environmental gradients in Pananjung Pangandaran Nature Reserve, West Java AGUNG KURNIAWAN; PARIKESIT PARIKESIT
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090407

Abstract

The research of tree species distribution along the environmental gradients in Lowland Tropical Rainforest Pananjung Pangandaran Nature Reserve had been conducted. The study aimed to elucidate the relationship between tree species distribution with ≥10 cm dbh and some measured environmental gradients, namely soil pH and moisture, soil depth, litter thickness, light intensity, altitude, slope, and the distance of plot from coastal line. A number of 125 of 10x10 m2 quadrats were established randomly in four transects. The results indicated that Rhodamnia cinerea was the species having the highest presence. Ordination technique using Canonical Correspondence Analysis (CCA) suggested that tree species were less evenly distributed along the measured environmental factors with Eigenvalue 0,387. Altitude was themost important environmental factor affected tree species distribution, soil moisture as well as light intensity.Key words: canonical correspondence analysis, distribution, lowland tropical rainforest, Pananjung Pangandaran
Mean annual increment of Dysoxylum parasiticum (Osbeck) Kosterm. in “Eka Karya” Botanical Garden, Bali NI KADEK EROSI UNDAHARTA; BRAMANTYO TRI ADI NUGROHO; MUSTAID SIREGAR
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090408

Abstract

Dysoxylum parasiticum (Osbeck) Kosterm. including into the tribe of Meliace. The society in Bali calls this plant with majegau. It gives a special characteristic for Balinese and has advantages in their religion. In Bali, it is more known as divine tree (kayu dewa), which able to be used for purified building. The objective of this research was to measure the mean annual increment of height, diameter and volume of D. parasiticum. Recognizing the characteristic of this plant is an important step to get information about the growth of majegau. Estimation of age harvest and also the conservation effort as one of effort to take care of its continuity. The results showed that highest heightincrement in XIVA garden bed, and the highest diameter increment in XVIIIA garden bed. The height increment is more optimal in the area with high light intensity (XIV A bed garden) and the diameter increment is more optimal in low light intensity area (XVIIIA bed garden). The increment of height is more influentially to create volume increment. The model showed that height and volume increment have higher R2adjusted value than diameter and volume (0.645 and 0.132, respectively).Key words: Dysoxylum parasiticum (Osbeck) Kosterm., mean annual increment, “Eka Karya”- Bali Botanical Garden.
Litterfall production of mangrove forest in the beach waters of Sepi Bay, West Lombok YULIADI ZAMRONI; IMMY SUCI ROHYANI
Biodiversitas Journal of Biological Diversity Vol. 9 No. 4 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090409

Abstract

Litterfall production of mangrove forest study was carried out in the beach water of Sepi Bay, West Lombok, from July to October 2007. The collection of litter was done every 10 days, and then the litter was dried at 75oC to constant weight and separated into leaves, reproduction organs, and wood part components. The total mangrove litter fall average was 2.71 g/m2/day or 9.9 ton/ha/year, with the leaf, reproduction organs, and branch components being 87.56%, 11.33% and 1.54%. Contribution of Rhizophora mucronata litter fall was 1.48 g/m2/day, R. apiculata 0.49 g/m2/day, Sonneratia alba 0.48 g/m2/day, R. stylosa 0.25 g/m2/day, and Aegiceras corniculatum 0.01 g/m2/day.Key words: mangrove, litterfall, Sepi Bay.

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