Biovelentia - Biological Research Journal
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MORPHOLOGICAL CHARACTERISTICS OF NEPENTHES IN PEAT SWAMP AREA OF TULUNG SELAPAN, SOUTH SUMATERA
Get PDFThis study is aimed to recognise the morphological characteristics of Nepenthes mirabilis and Nepenthes gracilis in peat swamp area including stem, leaf, tendril, pitcher, flower, fruit, and seed. This study has been conducted in January until April 2018, located in Petaling Village Tulung Selapan Sub-District, Ogan Komering Ilir, South Sumatera. This study uses an exploratory method and the the observation sample using the method of random plot is chosen by purposive sampling. Parameters observed morphological characteristics of Nepenthes include stems, leaves, tendrils, pitcher, flower, adn fruit, as well as measurement of environmental factors. Based on the study, the researcher obtained two types of Nepenthes which are Nepenthes mirabilis and Nepenthes gracilis in peat swamp area of Petaling Village Tulung Selapan Sub-District, Ogan Komering Ilir. Nepenthes mirabilis has a teres stem, leaves that in the form of oblong to lanceolate, has a petiolate, the edge of the leaves is flat covered by smoothy hair, thick peristome in size of 0,4-0,5 cm. Meanwhile stem Nepenthes gracilis has triangular stem, leaves in formed of lanceolate, sessile, flat edge of leaves, thin peristome in size of 0,1-0,2 cm. The pitcher shape of Nepenthes mirabilis and Nepenthes gracilis are cylindrical, infundibulate, and waist. The flower of Nepenthes mirabilis and Nepenthes gracilis are compound in type of raceme inflorescences. The fruit is formed as capsula, has four lobed, and contains numerous seeds. The seed is spindle-like and white colored
THE DETERMINANT FACTOR OF URINARY STONE FORMATION ON PALM OIL PROCESSING WORKERS AT PTPN VII BETUNG
No full textHigh temperature of work environment affects fluid and electrolyte balance of workers. It is also affecting the urine production by increasing its concentration and if it lasts for a long time causes urinary crystallization. This work was aimed to analyze the determinant factor of urinary stone formation within palm processing workers at PTPN VII Betung. Population sample in this work is 103 workers which represents total population of workers at PTPN VII of Betung unit. Research was designed quantitatively using cross-sectional study. Data collection was carried out using several instruments i.e. questioner, interview and observation. The obtained data was processed through univariate, bivariate and multivariate analysis. Result shows the number of workers with a positive urinary crystallization are 18 workers (17.5%). Characteristic of respondent are typically aged < 45 years (68%), hydration status was not dehydrated (53.2%). Multiple logistic regression analysis result shows hydration status variable (OR = 5.508) affects the formation of urinary stone with worker’s age as confounde
BIOLOGICAL CHARACTERS OF SNAKEHEAD GUDGEON (Giuris margaritacea Valenciennes, 1837) IN TONDANO LAKE, MINAHASA, NORTH SULAWESI, INDONESIA
Get PDFSnakehead gudgeon (Giuris margaritacea) or Payangka in Indonesian’s local name, has a high population and been used as a consumption fish mainly by people around Lake Tondano, not only the consumption size, but also the juvenile (it called Nike) are preferred. The fish resources are the essential source and need to keep their sustainable in the future. The research was carried out in 2015. The study was aimed to identify and record some aspects of snakehead gudgeon fish biology in Lake Tondano Mi-nahasa Regency of North Sulawesi. Fish samples were obtained from fisher's catch. The morphometric and meristic character was measured, and also was performed surgery to observe reproduction and food. The results showed that the growth pattern of Giuris margaritacea was positive allometric with sex ratio 1: 1.41. The fish was spawning whole year with fecundity between 36,892-90,102 eggs, and diameter of the egg was 0.285 mm on average. The size of the first mature female was 10.75 cm gonads. Snakehead gudgeon was a carnivorous fish with shrimp as the primary food, and the relative length of the digestive tract was 82.88%
MORPHOLOGICAL CHARACTERISTICS AND POLLINIA OBSERVATION OF 10 INDONESIA NATIVE DENDROBIUM ORCHIDS
No full textCharacterization of native orchid (species) in Indonesia is important for preservation of germplasm and selection process to obtain dominant character of orchids as potential parental. Morphological characterization is a method to obtain scientific information in phenotypic manner. Characterization of plants was carried out on 10 native orchids of Dendrobium genus to obtain specific character. Characterization process based on UPOV guidebook and morphological observation of pollinia was also carried out on 10 native orchids to obtain information about the structure and physiology of pollinia. The results of morphological characterization on 10 native orchid showed several qualitative characters such as flowering position, cross section of leaf, pseudobulb firmness, and leaf arrangement in D. Canaliculatum was different from 9 other native orchid. Morphological pollen of 10 native orchid shows the diversity structure of pollinia and the physiological conditions of mature pollen which are ready to pollinate are pollinia with a golden yellow colored. Knowledge and information about parental relationships is the main point for developing ornamental plant breeding programs. Selection of native orchids as potential elder is important where selected elders will be used as a source of genetic diversity. The results of this study are expected to provide scientific information and phenotypic selection for the development of hybrid orchids
RELATIONSHIP ANALYSIS OF WHOLE BODY VIBRATION (WBV) WITH MUSCULOSKELETAL DISORDER (MSDS) COMPLAINTS ON HEAVY EQUIPMENT OPERATORS AT THE TRANS SU-MATRA TOLL ROAD CONSTRUCTION PROJECT AT PT. ADHI KARYA TBK
No full textThe use of heavy equipment in the construction field is very helpful in the process of a project. Heavy equipment operators exposed to the Whole Body Vibration due to a machine that can be transmitted through a seat or on the floor. These vibrations at certain intensities can lead to Musculoskeletal Disorder. This study aimed to analyze the relationship of Whole Body Vibration with the occurrence of Musculoskeletal Disorder complaints on Heavy Equipment Operators. Methods this study used cross sectional design, with a measuring instrument in the form of an accelerometer type 100A svantek and a Nordic Body Map questionnaire. The research sample was 45 operators with heavy equipment consisting of excavators, bulldozers, motorgrade, vibro compactors and dump trucks. WBV data retrieval is done when the operator works,, the tool is placed in the seat where the operator sits. Results of the study can be obtained through exposure to WBV based on ISO 2631: 1 15 heavy equipment operators (33.3%) were in the low WBV exposure category, while 30 operators (66.6%) in the Moderate and High category. Parts of the body which can be categorized as belonging to Work-related is part of Lower Back 99.35% (P Value 0.043; NK_R2 0.304) with BMI (OR 0.925) as the confounding variable. It can be concluded that the complaints Musculoskeletal Disorder (MSDs) in the Lower back may come from the presence of vibration exposure Whole Body Vibration generated from his job as a heavy equipment operator. Advised the company's management can reduce complaint rates by reducing operator exposure received.Keywords: Secondary metabolites, Trichoderma harzianum, Colletotrichum capsici, tanni
DIVERSITY OF EPIPHYTIC FERN ON THE OIL PALM PLANTS (Elaeis Guineensis Jacq.) IN CAMPUS OF SRIWIJAYA UNIVERSITY INDRALAYA
No full textCampus of Sriwijaya University in Indralaya , has a high diversity of flora including fern, especially the epiphytic ferns, whose existence is so widely found in oil palm plants. Survey about diversity of this epiphytic has been carried out from July to November 2017, with aim to identifying the diversity of species of epiphytic ferns in oil palm plants on the campus of UNSRI Indralaya. The research method used is exploration method with direct collection technique from the field and then made herbarium. A total of 27 species of pteridophytes were collected from the study area. Floristic analysis of collected specimens was carried out to find out the families, genus and species. In this survey was collected 27 species belonged to13 genera, 7 families such Aspleniaceae, Blechnaceae, Davalliaceae, Lygodiaceae, Nephrolepidaceae, Polypodiaceae, and Vittariaceae. The most common types are Polypodiaceae is Drynaria quercifolia, Drynaria sparsisora, Microsorum pustulatum, Microsorum punctatum, Phymatosorus scolopendria, Polypodium verrucosum, Polypodium polysthicum, Pyrrosia piloselloides, and Goniophlebium verrucossum. The most widely distributed species in oil palm is Davallia denticulata , Goniophlebium verrucosum, and Nephrolepis biserrata
BIODECOLORIZATION OF TEXTILE INDUSTRIAL WASTE BY THERMOPHILIC BACTERIA Anoxybacillus rupiensis TS04 AND Anoxybacillus flavithermus TS15
No full textWastewater of textile industries contained a high content of synthetic dyes that could damage the aquatic ecosystem and environmental aesthetics. The use of microorganisms on the biodecolorization of textile industrial waste had advantages such as low cost and environmentally friendly. The purpose of the study was to determine biodecolorization capability of Anoxybacillus rupiensis TS04 and Anoxybacillus flavithermus TS15 for industrial waste of tie-dye fabrics. Completely randomized design with factorial pattern was used in the research; factor I and II were concentrations of wastewater and types of bacteria, respectively Anoxybacillus rupiensis TS04 showed the highest decolorization ability by 83.25% for wastewater concentration of 80% (v/v) and Anoxybacillus flavithermus TS15 by 69% at 40% (v/v) waste concentration.The highest cell number of Anoxybacillus rupiensis TS04 was obtained as 1.52 x 106 cfu/mL and biodecolorization, textile industrial waste, thermophilic bacteria,Anoxybacillus flavithermus TS15 3.70 x 105cfu/mL
SETTINGS OF TEMPERATURE AND TIME SAVING ON SEED GERMINATION OF Magnolia champaca (L.) Baill. ex Pierre
No full textSetting storage space temperature and time saving becomes an important application in supporting the development of plantations to provide seeds as needed and sustainable. The purpose of this research is to delay the rapid of seed germination in Magnolia champaca by assessing the effect of various suspend temperatures and times saving on seed germination of Magnolia camphaca . The research was conducted in Plant Physiology Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Sriwijaya University in February until June 2016. The method was used completely randomized design pattern Factorial by 3 factors with 12 treatments and 3 replications with the temperature: temperature ± 31°C, temperature ± 25 °C, temperature ± 18 °C, temperature ± 4 °C and the retention of time 0 week, 2 weeks , 4 weeks and 6 weeks. The parameters include the observation of germination rate, germination, vigor index and sprout morphology. The results of the research the treatment of interaction of temperature and time saving significantly affected on germination rate, germination and seed vigor index of Magnolia champaca. Germination speed, germination and vigor index were both produced by the treatment of storage at a temperature of ± 18 °C and a temperature of ± 25 °C at all times to keep (2 weeks, 4 weeks, 6 weeks) compared to control treatment. A normal sprout produced in temperature treatment ± 18 °C and ± 25 °C temperature ranges between 90-93%. An abnormal sprout produced in control treatment (0 week) by 25%. Measurement of moisture content and physiological maturity level of Magnolia champaca seed needs to be done before it is stored and germinated to test the viability of seeds of sprouts
METAL OF IRON (Fe) AND MANGAN (Mn) FROM WASTE WATER COAL MINING WITH FITOREMEDIATION TECHNIQUES WITH USING FLOATING FERN (Salvinia natans), WATER LETTUCE (Pistia stratiotes) AND WATER-HYACINTH (Eichornia crassipes)
No full textCoal mining activities can cause problems from for environment, especially the mining with surface mining method producing acid mine water. To solve these problems, we need to restore the output water conditionbefore it flows into the public waters so it can meet the environmental quality standard in accordance with the prevailing laws and regulations. In this research, coal mining waste management was done by phytoremediation technique. This technique is the use water plants to give wastewater treatment. Water plants was used in this study was Kiambang (Salvinianatans), Apu wood plant (Pistiastratatiotes), and water hyacinth (Eichhorniacrassipers). This research observed the effect of time on the absorption of iron (Fe) and manganese (Mn) and the species of plant was used as phytoremediation agent. The results of the study discovered that the highest metal absorption in plants (phytoremediation agents) for 30 days for Mangan (Mn) parameter was water hyacinth (Eichhorniacrassipers) and the most absorption agent for iron was Kiambang (Salvinianatans) while based on measurement of metal content in the wastewater of mining, water hyacinth (Eichhorniacrassipers) was the most effective agent to absorb the iron (Fe) and Kiambang (Salvinianatans) absorbed Mangan (Mn) the most
PHYTOCHEMICAL TEST OF MANGROVE Avicennia alba, Rhizopora apiculata AND Sonneratia alba FROM MUSI RIVER ESTUARY, SOUTH SUMATERA
No full textMangrove is one of the plants that has the potential to be developed into medicinal plants. However, further research is needed to prove scientifically the content of secondary metabolites in it. This study aims to identify the secondary metabolites contained from leaves and roots in Avicennia alba, Rhizopora apiculata and Sonneratia alba. The leaves and roots of mangroves extracted by maceration using ethyl acetate. The secondary metabolites contained in mangrove samples obtained by doing phytochemical tests through color tests. Phytochemical test results showed that secondary metabolites contained in mangrove Avicennia alba are flavonoids, steroids/triterpenoids, saponins, and tannins/phenols in leaf samples, whereas in its root samples it contains flavonoids and steroids/triterponoid compounds. Sonneratia alba contains flavonoids, steroids/teriterpenoids, saponins and tannins/phenols in its leaf samples, while the root samples contain flavonoids, steroids/teriterpenoids and tannins/phenols compounds. The leaf samples of mangrove Rhizopora apiculatacontains flavonoid and steroid/triterpenoid compounds whereas in its root samples contains flavonoids, steroids/triterpenoids, saponins as well as tannins/phenols