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Karti Rahayu Kusumaningsih
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INDONESIA
Jurnal Wana Tropika
Published by Institut Pertanian Stiper Yogyakarta
ISSN : 20887019     EISSN : 28290054     DOI : https://doi.org/10.55180
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Forest Planning Forest Policy Forest Ecology Forest Resources Utilization Forest Ergonomics Forest Inventory Forest Product Silviculture Management of Regional Ecosystems
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 118 Documents
 7   8   9   10   11 
Kelayakan Objek Wisata Alam Gua Pengkoak di Taman Hutan Raya Nuraksa Firashinta, Aminah; Aji, Irwan Mahakam Lesmono; Anwar, Hairil
Jurnal Wana Tropika Vol 12 No 1 (2022): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i1.204

Abstract

Natural tourism is one type of the tourism that contributes to regional income. The natural tourism object of Pengkoak Cave is one of the tourist destinations located In Forest Park (Tahura) Nuraksa. Tourism activities have long existed in this natural tourism object of Pengkoak Cave, lack of research has been done therefore its feasibility has not been tested. In its management, tourism requires tested feasibility standards in order for tourism to remains sustainable. This research was carried out to understand the feasibility of the natural tourism object of Pengkoak Cave. This research refers to the National Standardization Agency (2014), that is the principle of natural tourism management of the Indonesian National Standard (SNI) which includes the preservation of ecosystem functions, preservation of natural tourist attraction objects (ODTWA), socio-cultural sustainability, visitors satisfaction, safety and comfort, and economic benefits. The result show that the natural tourism object of Pengkoak Cave obtains feasibility value of 93% which falls in the category of eligible (feasibility value >66.6%) based on the ADO-ODTWA criteria. Keywords; Feasibility Analysis; Natural Tourism; Pengkoak Cave  
Efektivitas Pengendalian Gulma Tanaman Eucalyptus sp pada Areal Mineral di Estate Cerenti, PT. RAPP Triwiharto, Agung; Yuslinawari; Prijono, Agus; Asmar, Dika
Jurnal Wana Tropika Vol 12 No 1 (2022): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i1.207

Abstract

One of the wood industry activities in the forestry sector is the Eucalyptus sp industry at PT.Riau Mainstay Pulp and Paper Riau Province. The wood production process is used for pulpand has many factors in its productivity. One of them is in the planting process with weedcontrol problems, which use the herbicide with the active ingredient glyphosate. The use of the herbicide with the active ingredient glyphosate is not effective against all types of weeds. Therefore, it is necessary to know the right combination of weed control methods to control weeds for the expected results. Research is located in PT. RAPP, Kuantan Singingi Regency, Riau Province. The research design used was a completely randomized design with a factorial pattern that used 2 treatment factors in the form of Weeding Round consisting of Weeding Round 5 Over Due (late weeding) and Weeding Round 5 On Time (on time) and weed control methods consisting of chemical methods, the tripe combination method with chemical and thecombination lever method with chemical. The parameters observed were the type and amount of weed vegetation, the development of weed death, the percentage of weed death and the PQA value of weeding. Data were analyzed by analysis of variance. The results that showed a significant effect were further tested using the LSD (Least Significant Difference) test. The results showed that there were 6 types of weeds found in the research area, namely Senduduk Bulu (Clidemia hirta), Senduduk (Melastoma malabathricum), Acacia mangium saplings (Acacia mangium), Lemidi Paku (Stenochlaena palustris), Grass (Poaceae) and Liana. The most dominant type of weed was Clidemia hirta with an Important Value Index of 127.72% and the weed with the smallest effect was liana with an Important Value Index of 0.88%. Based on the results of the analysis of the development of weed mortality, the percentage of weed mortality and the PQA value of weeding, the combination of jackhammer and chemical method is the most appropriate control method applied because it has an average PQA value of 100%.In the chemical method there are fern weeds that are difficult to die and in the combination tripe and chemical method there are fern weeds that grow new leaves on the 16th day of observation.Keywords: PQA Weeding; Weeds; Weed Control Methods
Pengujian Respon Hasil Inokulasi Tanaman Gaharu (Aquilaria malaccensis) pada Berbagai Volume Inokulan dan Jarak Antar Lubang Inokulasi Kusumaningsih, Kartirahayu; Rawana; Asmita, Fika
Jurnal Wana Tropika Vol 12 No 1 (2022): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i1.211

Abstract

Agarwood is one of non wood forest products that has very good prospect to be developed. Right now, the market demand of agarwood products is become more increasing, so study of artificial agarwood  production  is necessary to be expanded. At process of agarwood plant inoculation, the suitable inoculant with proper volume and distance between inoculation holes, will effect against inoculation result. Purpose of this study were to know effect of inoculant volume and distance between inoculation holes against response of Aquilaria malaccencis after three month  inoculated. Results of the research showed that percentage of inoculation success at A. malaccensis that inoculated with 2,5 ; 5 and 7,5 ml inoculant volume and distance between inoculation holes 5 x 5 and 10 x 10 cm were 100%, its meaned all inoculated plant were infected with fungus. Inoculant volume did not give  significant effect against length of  fungal infection, but there was tendency that 7,5 ml inoculant volume resulted higher length of fungal infection than 2,5 ml  and 5 ml volume. The distance  between inoculation holes 5 x 5 cm resulted higher length of  fungal infection than 10 x 10 cm, i.e 7.82 cm  and 1.89 cm. Fragrance level of Aquilaria malaccensis inoculation result after 3 months inoculated was classified in the fragrant criteria.  Keywords : distance between inoculation holes; inoculant volume; test response
Pematahan Dormansi Benih Gmelia arborea Roxb. Menggunakan Asam Sulfat (H2SO4) Suhartati, Tatik; Taat Andayani, Surodjo; Wahyudiono, Sugeng
Jurnal Wana Tropika Vol 12 No 1 (2022): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i1.213

Abstract

Gmelina (Gmelina arborea Roxb.) seed is a type of seed that have physical dormancy. This is because water and gases prevent by the hard seed coat during the germination process. Therefore, to break dormancy, preliminary treatment in the form of scarification is required, including using sulfuric acid (H2SO4) solution. This study aims to determine the treatment of soaking in a 96% concentration of H2SO4 solution that produces the best germination ability. The study used a completely randomized design method (CRD) with 5 soaked time treatments, namely control (0 minutes), 5 minutes, 10 minutes, 15 minutes, 20 minutes and each treatment was repeated 3 times with 50 seeds for each replication. The results showed that soaked the seeds in the 96% concentration of H2SO4 solution had a significant effect on on initial time of germination, last time of germination, 80% limit time for germination, percentage of germination and vigor index. Soaking time for 10 minutes is the best treatment for scarification of gmelina seeds.   Keywords: physical dormancy; pre-treatment; scarification; soaking time
Pengaruh Kelas Umur dan Metode Sadapan Terhadap Produksi Sadapan Getah Pinus Bowo Woesono, Hastanto; Sushardi; Pamungkas, Muhammad Bagas
Jurnal Wana Tropika Vol 12 No 1 (2022): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i1.214

Abstract

Pine resin is a non-timber forest product, which has the potential to be developed in Indonesia. One of the pine resin products is gondorukem which has a very wide market. The purpose of this study was to determine the best tapping method, in order to obtain optimal production of pine resin tapping in three age classes of pine trees, namely age classes III, IV and V. The results showed that the average yield of pine resin tapping with the quare method was 18 ,88 gr and drill method 17,77 gr. Meanwhile, the highest average production of sap in age class III was 26.11 g and the lowest was in age class V of 10.21 g. The results also showed that along with the increase in the age class of the plant, the production of tapping sap also decreased significantly, both for tapping pine sap using the drill method, and tapping pine sap using the quare method. The results also showed that as the age class of the plant increased, the use of the quare method gave a higher average yield of 18.88 gr than the drill method of 17.77 gr. Keywords : Age class; tapping method; pine resin production
Indeks Nilai Penting dan Keanekaragaman Komunitas Vegetasi Penyusun Hutan di Alas Burno SUBKPH Lumajang Rawana; Wijayani, Suprih; Masrur, Muhammad Aqib
Jurnal Wana Tropika Vol 12 No 2 (2022): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i02.215

Abstract

The importance value index and diversity are important indicators to determine the dynamics and stability of the vegetation community. The objectives of the study were (1) to determine the importance value index of seedlings, saplings, poles and trees composing the Bruno Forest community in SUBKPH Lumajang (2) to know the diversity of seedlings, saplings, poles and trees composing the Bruno Forest community in SUBKPH Lumajang. The research was conducted in the Bruno Forest Area, SUBKPH Lumajang, East Java. The plot method was used in this study with nested plots measuring 2x2m2 for seedlings, 5x5m2 for saplings, 10x10m2 for poles, and 20x20m2 for trees. The number of samples was 30 plots placed systematically, with a distance between plots of 20m. The conclusions of this study are (1) the forest vegetation community of Bruno Forest area is composed of 9 species belonging to 6 families, at tree level dominated by Pinus merkusii, at pole level by Swietenia macrophylla species, saplings and seedling level dominated by Calliandra surinamensis (2) Diversity at tree and pole level was categorized as high while at sapling and seedling level was categorized as moderate. The species evenness index at the tree, pole and saplling level was categorized as high, while at the seedling level it was categorized as medium.
Keragaman Sifat Anatomi Kayu Sengon dan Kemungkinan Penggunaannya sebagai Bahan Furniture Sushardi; Bowo Woesono, Hastanto; Hadi, Didik Surya
Jurnal Wana Tropika Vol 12 No 2 (2022): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i02.295

Abstract

The development of modern industries has demanded ever-increasing usage requirements for wood products. The use of wood will be more effective and efficient if the properties of wood are known beforehand. This study aims to determine the anatomical diversity of sengon wood and its possible use as a raw material for furniture. This study used a randomized block design with Tukey's follow-up test. The factor used consisted of the radial direction of wood (wood near the skin and wood near the heart). Parameters observed were the proportion of fiber cells (%), the proportion of vessel cells (%), the proportion of parenchyma cells (%), and the proportion of radius cells (%). The results showed that the wood near the skin and near the heart of sengon had variations in the proportion of fiber cells, the proportion of vessel cells, the proportion of parenchyma cells and the proportion of radius cells. The average value of the anatomical diversity of sengon wood in the radial direction is the proportion of fiber cells 49.02 - 50.24 %, the proportion of vessel cells 23.22 - 24.23 %, the proportion of parenchyma cells 13.47 - 14.57 %, the proportion of finger cells finger 11.53 - 13.39 % and . Sengon wood can be used as furniture material for light buildings or for artificial boards because it has a high proportion of fibers.
Evaluasi Pertumbuhan Tanaman Eukaliptus (Eucalyptus sp) Pada Variasi Umur dan Unit Pengelolaan Tanah yang Berbeda Wahyudiono, Sugeng; Falah, M. Darul; Suwadji, Siman; Aeng, Katharina Sari Narulita
Jurnal Wana Tropika Vol 12 No 2 (2022): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i02.309

Abstract

Eucalyptus sp is a type of exotic plant that is cultivated in Riau Fiber. Particularly in terms of soil, this Eucalyptus species was developed in soil management unit B and soil management unit C. Differences in variations in plant growth in the two land management units are not known with certainty because there is no accurate information. This research was conducted at the East Teso Estate which is one of the forest management units of Riau Fiber which included measuring tree height with variations in age of 6 months, 12 months and 18 months, as well as tree diameter and calculating the percentage of single trees with variations in age of 12 months and 18 months. in the land management unit B and soil management unit C which were tested using the t-test at a test level of 5%. The results showed that height growth had a significantly different effect on the two soil management units, namely 4.39 m in soil management unit B and 3.62 m in soil management unit C at 12 months of age and 6.43 m in soil management unit B and 5.87 m in soil management unit C at 18 months old. As for plant height at 6 months, diameter and percent of single trees aged 12 months and 18 months, the results were not significantly different in soil management unit B and soil management unit C.
Pengendalian Gulma Paku di Areal Gambut Menggunakan Beberapa Jenis Bahan Aktif Herbisida Kusumaningsih, Kartirahayu; Saputra, Setiaji Heri; Muhardi
Jurnal Wana Tropika Vol 12 No 2 (2022): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i02.313

Abstract

Fern weeds control with chemical herbicide in peat area is one solution to overcome weeds competition against cultivated plants at timber estate. Type of active component and solution concentrate of herbicide are effect on weed control result. The purpose of this research are to know weed species and its density, and effect of  active component type and solution concentration of herbicide against weed mortality percentage and weed mortality start time. Results of the research showed that Stenochlaena palustris weed was dominated at peat area with 3.986/Ha density. Ammonium Glufosinat herbicide with 1,6% solution concentration was effective to control fern weeds with 100% weed mortality and start time of weed mortality was 3 days after herbicide application.
Distribusi Diameter Jati dan Mahoni di Hutan Rakyat Desa Semoyo Kecamatan Patuk Kabupaten Gunungkidul Suhartati, Tatik; Purwadi; Saputra, Evan
Jurnal Wana Tropika Vol 12 No 2 (2022): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i02.319

Abstract

Community forests in Gunungkidul have developed for a long time and are managed in a traditional way, known as pekarangan, moor and wono. Most of the community forest planting patterns found in Semoyo Village are agroforestry patterns, where trees are planted with a mix of various tree species and one type is dominated, for example teak or mahogany. This study aims to determine the differences in the shape of the diameter distribution of mahogany and teak in dry fields and yards which are dominated by one tree species. The method used is quantitative analysis to produce diameter distribution and draw a curve to describe the stand structure. The results showed that for the type of mahogany in the yard and moor in all class diameters, the number of trees was higher than teak. The diameter distribution of mahogany and teak both in the yard and dry land both showed a shape that resembled an inverted J and was successfully modeled using the exponential model.

Page 9 of 12 | Total Record : 118

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