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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 5 Documents
 1 
Search results for , issue "Vol 12 No 1 (2022): Mei" : 5 Documents clear
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

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