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SIMBIOSIS

simbiosis
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Published by Universitas Udayana

ISSN : 23377224 EISSN : 26567784 DOI : 10.24843/simbiosis

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Arjuna Subject : -

Articles 7 Documents

Search results for , issue "Vol 5 No 1 (2017)" : 7 Documents clear

STRUKTUR HISTOLOGI TRAKEA TIKUS PUTIH (Rattus sp.) YANG TERPAPAR ASAP ROKOK SETELAH DIBERI EKSTRAK BUAH JUWET (Syzygium cumini L.) I Komang Angga Kristiawan; Ni Made Rai Suarni; Dwi Ariani Yulihastuti
SIMBIOSIS Vol 5 No 1 (2017)
Publisher : Jurusan Biologi Universitas Udayana

This study aimed to determine the effect of juwet fruit extract on histological structure of rat(Rattus sp) trachea which exposed to cigarette smoke. This research used Completely Randomized Design (CRD), with four treatments: the control group (K0) treated with 0.5 % CMC–Na, (K1) group is exposed to cigarette smoke, (K2) group were given juwetfruit extract, and (K3) group is exposed to cigarette smoke and juwet fruit extracts. Each treatment consisted of 6 rats as replication. The exposure to cigarette smoke is given from an aerator pump lit cigarettes. Juwet fruit extract and 0.5 % CMC - Na was orally administered (gavage method) for 48 days. The existence of comperative descriptive observed cilia. And goblet number, high epithelium and lumen diameter Data were analyzed with ANOVA and If they were 5 % significantly different would be followed by Duncan test. Results showed that the extract of the fruit juwet significant effect on the histological structure of the trachea mice that had been exposed to smoke.

PENGARUH EKSTRAK BUNGA FLAMBOYAN (Delonix regia Hook Raf) TERHADAP PERKECAMBAHAN DAN PERTUMBUHAN CABAI MERAH BESAR (Capsicum annuum L.) Royana Pakpahan; Ni Putu Adriani Astiti; I.G.A. Sugi Wahyuni
SIMBIOSIS Vol 5 No 1 (2017)
Publisher : Jurusan Biologi Universitas Udayana

The reach aim to the effect of flamboyant (Delonix regia Hook Raf.) flower extract on the growth of large red pepper plant (Capsicum annuum L.), for use a land under of flamboyant trees. The research design used was Random Block Design, with five treatments extract concentration, control, 5%, 10%, 15%, and 20%, each treatment was repeated five time. Observations were made during the 15 weeks. The results showed the percentage of germination and plant height are effect significant, while the number of leaves, root length and dry weight of the plant does not provide effect for the growth of large red pepper plant. Keywords : flamboyant, allelopathy, large red pepper

PEMBERIAN EKSTRAK BUAH JUWET (Syzygium cumini L.) TERHADAP JUMLAH DAN MORFOLOGI SPERMATOZOA TIKUS PUTIH (Rattus sp.) JANTAN YANG TERPAPAR ASAP ROKOK Fitria Dwijayanti; A.A.S.A. Sukmaningsih; , Ni Made Rai Suarni; Sang Ketut Sudirga; Ni Made Susun Parwanayoni
SIMBIOSIS Vol 5 No 1 (2017)
Publisher : Jurusan Biologi Universitas Udayana

The research to determine the effect of fruit extracts juwet on the number and morphology of spermatozoa were superbly exposed to smoke has been conducted. This study uses rats aged 3 month, 200-210 gram, total 24 rats consisting of 4 treatment, is control, smoke of cigarette, juwet fruit extracts, and smoke of cigarette to juwet fruit extracts. Each treatment consisting 6 replications, each consisting of 1 rat. Before, acclimatization of rat treated 7 days. Way of giving juwet fruit extracts the gavage method 2 ml once daily for 48 days, while the CMC-Na 0,5% is given control. The exposure to cigarette smoke is given from an aerator pump , to given once daily for 48 days. Data were analyzed with ANOVA, if they were 5% significantly different would be followed by a DMRT. The result showed that the number of abnormal sperm morphology were significantly diferent (p<0,05). The averange number of abnormal spermatozoa K1 group was higher than K3 group. The number of spermatozoa was not significant different between treatments. The average number of spermatozoa K1 lower than K3. This is because the smoke of cigarette increased formation of ROS and the resulting stress oxidative and cause cell damage tissues and organs, especially to the reproductive system. Juwet fruits extract have been able to improve the count and morphologyof rats spermatozoa expose to smoke. This case because of antioxidant from juwet fruit can be protect cell from the free radical attack. Keywords: Rattus sp, smoke of cigarette, java plum fruit, spermatozoa, , ROS, antioxidant.

KEBERADAAN JALAK BALI (Leucopsar rothschildi Stresemann 1912) DI TAMAN NASIONAL BALI BARAT I Putu Gede Ardhana; Nana Rukmana
SIMBIOSIS Vol 5 No 1 (2017)
Publisher : Jurusan Biologi Universitas Udayana

ABSTRACT The existence of the Bali Starling (Leucopsar rothschildi Stresemann 1912) in nature is increasing anxiety, because the population of this birds is increasingly endangered due to changes in its natural habitat along with northwest coast of Bali, and are rampant illegal poaching to satisfy the demand in world market as pet birds.The purpose of this research is to examine the potential for Bali Starling in natural habitat conditions are increasingly of concern which made IUCN set critically endangered status (being Critically Endangered) since 1966. While CITES for wildlife have been included in Appendix I of the Bali Starling, meaning forbidden to be traded. The research method which was in this article used is descriptive method with primary and secondary data. Primary data were obtained from observations in the field and the secondary data were obtained from studies of the literature and the annual report of the West Bali National Park.The results showed that the potential actual population numbers of Bali Starling have yet to be ascertained. Aji W (2013) indicated that from observation in the field of Menjangan Resort and West Bali National Park found only 10 individuals, while according to Birdlife International, the amount in the remaining 49 individuals nature only (Peter R, 2015). Key words: potential, Bali Starling, extinction, natural habitat

PERBANDINGAN KANDUNGAN MINYAK ATSIRI TANAMAN SEREH WANGI (Cymbopogon nardus L. Rendle) YANG DITANAM DI LOKASI BERBEDA Margareta Dacosta; Sang Ketut Sudirga; I Ketut Muksin
SIMBIOSIS Vol 5 No 1 (2017)
Publisher : Jurusan Biologi Universitas Udayana

It has been conducted a research that aims to determine the ratio of essential oil content of citronella stalks (Cymbopogon nardus Rendle L.) grown in the lowlands of Denpasar and the highlands of Bedugul. The experiment was conducted by using experimental designs. The parameters measured were the volume and the level of citronella oil produced. The sample preparation of powdered citronella stalks was as much as 200 grams, macerated with 96% ethanol and evaporated with Vacuum rotary evaporator to form condensed extract. The research used quantitative methods. The volume of hydro distillation was to obtain a crude extract of citronella stalks and the identification of active compounds was conducted by using Gas Chromatography / Mass Spectrometry (GC-MS). It can be concluded that the levels of citronella essential oil stalks from the highland of Bedugul was higher than the lowland areas of Denpasar, while the quality of essential oil of the lowland of Denpasar was better than that of the Bedugul highland. The content of secondary metabolites of the results of GC-MS analysis obtained from the essential oils contained in the analyzed crude extract of citronella stalks namely the compound of Selina-6-en-4-ol (2287322), the compound of n-hexadecanoic acid (1238019) and the compound of Driman-8,11-diol from the lowland of Denpasar while the Selina compound-6-en-4-ol (1856137) from the highland of Bedugul. Keywords: Citronella, essential oil content, altitude

ANALISIS KEKERABATAN BEBERAPA TANAMAN MANGGA (Mangifera spp.) BERDASARKAN KARAKTERISTIK MORFOLOGI DAN ANATOMI DAUN Luh Putu Melandani; Eniek Kriswiyanti; Made Ria Defiani
SIMBIOSIS Vol 5 No 1 (2017)
Publisher : Jurusan Biologi Universitas Udayana

ABSTRACT The study was aimed to explore the characteristics of morphological, anatomical, and phylogenetic relationship between some types of mango (Mangifera sp.). Research conducted in Structures Laboratory of Plant Development Department of Biological Science, University of Udayana from April 2015 - July 2015. Samples were taken from three districts in Bali, that Denpasar, Gianyar and Badung. Ten species of plants of mango (Mangifera indica : ‘poh arum manis’, ‘poh bukit’, ‘poh gedang’, ‘poh madu’, ‘poh apel’,‘poh golek’, ‘poh sambuk’, ‘poh bali’, ‘poh manalagi’) and Wani (Mangifera caesia.) shows the character of morphology and anatomy of leaves varies as well as the analysis of kinship showed ten types of mangoes grouped into two major groups based on the degree of similarity. Fenogram shows the level of similarity of the ten types of mangoes in Bali grouped (cluster) into two: group I ‘poh arum manis’, ‘poh bukit’, ‘poh gedang’, ‘poh bali’, ‘poh apel’, and group II, namely ‘poh madu’, ‘wani’, ‘poh golek’, ‘poh sambuk’, ‘pohmanalagi’ where two clusters have a degree of similarity ? 63.91%.

FREKUENSI GEN CUPING MELEKAT, ALIS MENYAMBUNG, LESUNG PIPI DAN LIDAH MENGGULUNG PADA MASYARAKAT DESA SUBAYA, KECAMATAN KINTAMANI, KABUPATEN BANGLI Yulia Mirayanti; I Ketut Junitha; Ida Bagus Made Suaskara
SIMBIOSIS Vol 5 No 1 (2017)
Publisher : Jurusan Biologi Universitas Udayana

This study was conducted to find out the determinant allele frequencies and variations of characteristics of face and earlobe, based on the presence or absence of attached earlobes, connected eyebrows (unibrow), dimples, and tongue-rolling on Subaya village people, Kintamani, Bangli. In this study, 100 samples of proband (67 men and 33 women) as the research data were tested by using Chi-Square Test. Then, the data were analyzed by pedigree diagram to each family. The results of study show that 19% of people have the characteristic of attached earlobes, 12% of people have the characteristic of connected eyebrows, 7% of people have the characteristic of dimples, and 16% of people have the characteristic of tongue-rolling. The highest gene frequency value is the characteristic of attached earlobes (0,43), then, followed by the characteristics of connected eyebrows (0,34) and tongue-rolling (0,084) as well as the lowest gene frequency is the characteristic of dimples (0,036). Keywords: autosomal inheritance, genetic variation, Subaya village, inbreeding

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