Jurnal TENGKAWANG
Not a member yet
119 research outputs found
Sort by
STUDI ASOSIASI FUNGI MIKORIZA ARBUSKULA (FMA) PADA TEGAKAN EUCALYPTUS (Eucalyptus pellita) DI LAHAN GAMBUT
Full text linkSome of peatland in west borneo has been used for development of Industrial Plants Forests (IPF). One of those plants is Eucalyptus pellita. Aim of this research is determine the AMF (Arbuscular Mycorrhizal Fungi) association on E. pellita plants in the peatland area of PT. Kalimantan Subur Permai. Method of the research is spores isolation through wet process screening in gradually, coloring root, characteristics of spores in genus level and calculate the percentage of root infection.The result research show 6 species founded of AMF spores from one genus of Glomus and average percentage of root infection is 20% 36%. Keyword : association, arbuscular mycorrhizal fungi, E. pellita, peatlan
PERBANDINGAN TINGKAT KEAWETAN KAYU SENGON (Falcataria moluccana L. Nielsen) DAN KAYU SUGI (Cryptomeria japonica D. Don) DENGAN EKSTRAK LIMBAH KULIT KAYU JATI (Tectona grandis L.F.) TERHADAP SERANGAN RAYAP TANAH Coptotermes curvignathus Holmgren
Full text linkThe aim of the study was to obtain a comparison of the durability of sengon (Falcataria moluccana) and sugi wood (Cryptomeria japonica) after preservation with Jati (Tectona grandis) tree bark waste to subterranean termites Coptotermes curvignathus Holmgren attack and to determine the best concentration of wood preservation from Jati extract. Evaluation the durability of wood used the JIS K 1571 2004 standar method. Test parameters in the study were preservative retention, termite mortality and weight loss of the wood test sample. The results showed the highest retention was achieved in Sengon wood of 0.466 kg /m3 and the followed by Sugi wood which was 0.740 kg /m3. The lowest termites mortality value was in non-teated wood of Sengon wood with value 13.091%, and in other sengon wood which treated by extract of Jati bark with concentration of 2%, 4%, 5%, the termites mortality was 100%. Meanwhile in Sugi wood the termites mortality in non-treated wood was 12.576% and other Sugi wood which treated by extract of Jati bark with concentration of 1%, 2%, 3%, 4%, 5% the mortality value reached 100%. The average percentage values of the highest weight loss was 15.483% in non-treated sugi wood, while the lowest weight loss was in sengon wood which was given 5% extract of teak bark with a concentration of only 2.099%. The optimal concentration of Jati tree bark for wood preservation to Sengon wood was on concentration 25, meanwhile in Sugi wood was on concentration 1%.Keywords: Cryptomeria japonica, ekstrak kulit kayu, Falcataria moluccana, preservation, Tectona grandi
ANALISIS BENTUK KELEMBAGAAN KELOMPOK TANI HUTAN RAKYAT DESA GATTARENG KECAMATAN MARIORIWAWO KABUPATEN SOPPENG
Full text linkThis present research aims to identify related actor, in the formation and development farmers by the format rules, format relation and important role management of people forests in the village of Gattareng. The result of this research is to give inforaton for the farmers about Institutional Form analysis of the people forests by the form, format relation and important role management of the people forests. In addition, this research is conducted in October – November 2017. The research site is in gattareng village, Marioriwawo district, Soppeng regency. The methods of data collection used in this research are observation and interview. Based on research results it was concluded that related actor in establishment and development farmers of the people forests is the farmers, village head in the village of Gattareng, Forestry service in soppeng regency and the peopleof the farmers. In the formation Baccewe farmers the village of gattareng Mr. Bide is the had of the farmers make a formal role and activties by Baccewe farmers. The formal role of Baccewe Farmers is, the membership of farmers where in the membership must have a farmers, meeting for the membership of the farmers must twice for a week and all of the applicable regulation have a sanctions. Important role the management of people forests in the Village of Gattareng basically for public welfare of the people around the forests. Forestry service and agriculture servise in Soppeng regency do sustainable development of forest resources. By doing policy forest management optimize premises active engagement from people around the forest whose life depends on the forest. The goal is to improve people’s welfareKeyword: Farmers, Institutional, People Forest
EKSTRAK BUAH BAKAU Rhizophora mucronata Lamk SEBAGAI PEWARNA ALAMI PADA KAIN KATUN
Full text linkThe fruit of Rhizophora mucronata Lamk content of tannin which can be used as natural dye color. Research purposes was to extract the fruit of R. mucronata, used the extract with fixation material as cotton natural dye, and evaluation the resistance of the color. The research was conducted for three months at Wood Technology laboratory and Wood workshop laboratory at Forestry Faculty Tanjungpura University. The fruit of R. mucronata was extraction with aquades with ratio 1:10 (weight/volume) at temperature ±80ºC for 60 minutes. The fixation materials were tawas, kapur tohor and tunjung. The cotton was dipped into the extract then analyzes the change of the color before and after the coloring process. After that the cotton was dipped into the fixation materials. The ratio of fixation materials and aquades was 1:20 (weight/volume). After coloring the change of the color was measured. Evaluation the resistance of the color after fixation was made refer on ASTM D 870-02-2002 for hot water treatment and ASTM D-1308-02-2013 for cold water treatment. The quality of color was measured with Munsell Soil Color Chart and Hunter Lab. The result of research showed that extract of R. mucronata give a pink color to the cotton with average value of ∆E was 22.74. The retention of extract to cotton was 4.47 g/cm3. The additional of fixation materials, i.e. tunjung and kapur tohor resulted the drak color meanwhile tawas made the lightest color. The average ∆E values were 6.16-39.84. Extract of fruit of R. mucronata with additional of tunjung as fixation materials can be used for natural dye for cotton and wood. Keywords : kapur tohor, natural dye, Rhizophora mucronata, tawas, tunjun
SIFAT FISIKA DAN MEKANIKA KAYU REPEH (Mangifera gedebe Miq.) (Physical and Mechanical Properties of Repeh (Mangifera gedebe Miq.))
Full text linkRepeh (Mangifera gedebe Miq.) is one of lesser known species that does not utilize optimally yet because of lacking data of this wood species. Repeh wood has been used by rural people in East Kalimantan traditionally as housing material such as wall. The purpose of this research is to determine the fresh moisture content, density and static bending strength of Repeh based on DIN standard. Four logs of Repeh taken from Kutai Kartanegara District as sample and divided into three parts. The data was display by graphic. The result showed that the average of fresh moisture content and density are 102,21% and 0,46 g/cm, whereas MOE is 7428 N/mm and MOR is 51,2 N/mm. According to MOE and MOR, Repeh including to Wood Strength Class IV III and it could be as light construction material and furniture. Keywords: Repeh, fresh moisture content, density, static bending strengt
MORFOLOGI VEGETATIF JENIS POHON TENGKAWANG (Shorea spp) DI DESA MENSIAU KECAMATAN BATANG LUPAR KABUPATEN KAPUAS HULU
Full text linkTengkawang is a Shorea tree which includes in Dipterocarpacea family. This tree was the indigenous species of West Kalimantan, and mostly found in Kapuas Hulu Regency. Tengkawang seed which is the mascot of West Kalimantan Province was used to produce vegetable oil, chocolate, medicine, margarine, candles, and cosmetics. One of the villages which famous on Tengkawang products were Mensiau village which located in Batang Lupar sub district, Kapuas Hulu Regency. The objective of research was to inventory the diversity of Tengkawang tree in Mensiau village, Batang Lupar sub district, Kapuas Hulu Regency, and identification and made a description on morphology of Tengkawang tree. The research was conducted from May until August 2017. The methods used exploration on four lines in the forest of Mensiau village. The research found total individuals of Tengkawang tree was 1,689 trees. There were five types of Tengkawang, namely Shorea stenoptera, Shorea beccariana, Shorea pinanga, Shorea seminis and Shorea macrophylla. The local names of Tengkawang in Mensiau village were Engkabang Tungkul, Engkabang Rambai, Engkabang Trindak, and Engkabang Biasa. The total individuals of Shorea stenoptera was 408 tree, Shorea beccariana was 571 tree, Shorea pinanga was 370 tree, Shorea seminis was 186 tree and Shorea macrophylla was 154 tree. The efforts on conservation of Tengkawang tree in Mensiau village was needed because the forest in the village was suitable for the habitat of Tengkawang. Keywords : Kapuas Hulu, Shorea beccariana, Shorea macrophylla, Shorea pinanga, Shorea seminis, Shorea stenoptera, Tengkawan
KUALITAS PAPAN PARTIKEL DARI KULIT BATANG SAGU (Metroxylon spp) DENGAN PEREKAT ALAMI ASAM SITRAT: SIFAT FISIK, SIFAT MEKANIK, DAN KEAWETAN TERHADAP RAYAP TANAH Coptotermes curvignathus Holmgren
Full text linkThe study aimed to analyze the quality of particle boards from bark fiber of sago (Metroxylon spp) with citric acid as natural adhesives based on physical properties, mechanical properties, and durability from subterranean termites Coptotermes curvignathus Holmgren. Particle boards are made with a size of 30 cm x 30 cm x 1 cm. The experimental factors used in the study included densities (0.7 gr/cm3 and 0.8 gr/cm3) and concentrations of citric acid adhesives (20% and 30%). The material then flow into hotpress with 1800C for 15 minutes and pressure at 25 kg/cm2. Testing of the physical and mechanical properties of particle boards refers to the JIS A 5908-2003 standard and durability against subterranean termites Coptotermes curvignathus Holmgren was conducted based on SNI 01. 7207-2006. The results showed that the densities factor had a significant effect on density, thickness swelling, MOE, MOR, internal bond, screw holding strength, and weight loss of the particle board against termites. Meanwhile concentration of citric acid adhesive significantly affected the density, moisture content, water absorption, thickness swelling, MOR, internal bond, and screw holding strength. The interaction between the densities factor and concentration of citric acid has a significant effect on thickness swelling and density. The physical and mechanical properties of particle boards which fulfill the JIS A 5908 2003 standard were density, moisture content, MOR, and screw holding strength. The durability of particleboard againts termites has a very strong level. The average values of termites mortality were 94% ~ 100%. The average of wood weight loss values were 9.61%~ 18.51%. The particle board made with a density 0.8 gr/cm3 and concentration of citric acid adhesive 30% achieved the highest values on physical properties, mechanical properties and durability to the termites Coptotermes curvignathus. Keywords : citric acid, Coptotermes curvignathus, Metroxylon spp, particle board, sag
IDENTIFIKASI JENIS-JENIS TUMBUHAN BERKHASIAT OBAT DI JALAN PARIT H. HUSIN 2 KECAMATAN PONTIANAK TENGGARA
Full text linkThe aim of this research is to identification of medicinal plants in Parit H. Husin 2 street Pontianak Tenggara Subdistrict. Method of the research is documentation part of plants, take some of leaf and species identification in laboratory. The quantity of medicinal plants are 65 species that distribution in 42 family, majority family is Euphorbiaceae (6 species), 50.77% used for both of outside and inside of body, 43.08% used only for inside of body and 6.15% used only for outside of body. Keywords: Identification, medicinal plants, Parit H. Husin 2 street, Pontianak Tenggara Subdistric
ANALISIS LAHAN KRITIS DAN ARAHAN LAHAN DALAM PENGEMBANGAN WILAYAH PADA SUBDAS DI KABUPATEN KAYONG UTARA MENGGUNAKAN TEKNIK PENGINDERAAN JAUH DAN SISTEM INFORMASI GEOGRAFIS
Full text linkCritical land is a damaged land, thus losing or decreasing its function to the specified or expected limits. The identification and critical lands mapping is essential for the planning and determination of priority watersheds in order to the utilization and development of natural resources and land rehabilitation and soil conservation. Remote sensing is a technique that enable people to collect data without direct field measurement. The using of Landsat 8 image then analyzed by using Geographic Information System (GIS) is being expected to improve the ability to classify land cover, the map was then overlad with parameter map based on Regulation of Director General of Management of Watershed and Social Forestry Number P. 4 / V-Set / 2013 about technical guidance on the preparation of spatial data of other critical lands to identify critical lands in Kayong Utara Regency.Keywords: Degraded land, Geographic Information System (GIS), Remote sensing, overla
PEMANFAATAN RHIZOBIUM UNTUK MENINGKATKAN PERTUMBUHAN SEMAI SENGON (Paraserianthes falcataria) PADA MEDIA TANAH BEKAS TAMBANG SEMEN
Full text linkEx-mining land use of cement was an alternative medium or planting medium, but this alternative was to meet the constraints of low soil fertility levels. Therefore, one way that could be attempted is creating suppressive soil in the form of applying biofertilizer such as rhizobium (Nitrogen Fixing Bakteria). Research methods used a complete randomized design. The first factor was the type of Rhizobium (control, Shinorhizobium sp (S8.4), Rhizobium sp (S10.3.1) which was inoculated on the plant Paraserianthes falcataria. Planting medium used was sterilized soil from ex-cement mining land. The results of rhizobium inoculation on plants showed different effectiveness in enhancing the growth of seedlings. Duncan test results of the influence of a single factor BFN showed Shinorhizobium sp (S8.4) could be associated with P. falcataria, to improved seedling growth and able to gave growth response better when compared with treatment of Rhizobium sp (S10.3.1) and control at variable observations on seedling diameters (1.65 mm), number of leaves (10.9 pieces), N absorption (2.10 g/plant) and P absorption (0.16 g/plant). Keywords: Paraserianthes falcataria, rhizobium, bacteria, seedlings, soil media of ex - cement minin