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Karti Rahayu Kusumaningsih
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Fakultas Kehutanan INSTIPER Gd. Jati Jalan Nangka II, Maguwoharjo, Depok, Sleman Yogyakarta
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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 132 Documents
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Identifikasi dan Potensi Tumbuhan Obat di Kawasan Ekowisata Gunung Api Purba Nglanggeran, Kabupaten Gunung Kidul, Provinsi Daerah Istimewa Yogyakarta Gemilang, Robertus Anugerah; Kusumaningsih, Karti Rahayu
Jurnal Wana Tropika Vol 15 No 2 (2025): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v15i2.2341

Abstract

Medicinal plants have long been utilized by the community, especially those living around forest. The Nglanggeran Ancient Volcano Ecotourism Area, Gunung Kidul Regency, Yogyakarta is an ecotourism with ​​48 Hectares area that is covered with various types of medicinal plants whose potential is unknown. This study aims to identify the types and determine the potential of medicinal plants in the Nglanggeran Ancient Volcano Ecotourism Area, Gunung Kidul Regency, Yogyakarta. Sampling was carried out by creating a 20 x 20 meter plot using the Purposive Random Sampling method. Quantitative analysis was used to calculate the density, frequency, dominance, Importance Value Index (INP), and Species Diversity Index (H’) of medicinal plants at various life stages. Result of the research showed that there were 28 types of medicinal plants originating from 22 families. The most commonly found medicinal plant species among trees was mahogany (Swietenia macrophylla - Meliaceae family) with 34 individuals, and among herbs was Elephantopus scaber - Asteraceae family with 39 individuals. The highest Important Value Index at the tree level was S. macrophylla at 253.61, pole level was Annona muricata at 140.83%, sapling level was S. macrophylla at 41.35%, and seedling level was Elephantopus scaber at 41.79%. The Species Diversity Index (H') at the seedling level was 2.552, saplings at 2.021, and poles at 1.429, which is considered moderate, while at the tree level it was 0.509, which is considered low.
Biomasa dan Cadangan Karbon Tanaman Berkayu di Hutan Desa Sungai Pelang, Kabupaten Ketapang, Kalimantan Barat Subarkah, Khansa Falere; Suhartati, Tatik; Bowo Woesono, Hastanto; Purwadi
Jurnal Wana Tropika Vol 15 No 2 (2025): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v15i2.2343

Abstract

The Sungai Pelang Village Forest, Block 11 Sub-block G, possesses a diversity of vegetation consisting of various species with different growth stages and has the potential to store carbon stocks. This research aims to estimate the biomass and carbon stocks of various woody plant species. The estimation uses a non-destructive method. The sampling method employed was the transect line method with a 10% sampling intensity, resulting in 13 observation plots with a distance of 63 meters between plots. The data collected included diameter, tree height, and the specific gravity of the species found. The results showed that the estimated total biomass is 87,40 tons/ha, and the carbon stock is 41,08 tons/ha, which is dominated by the tumih wood (Combretocarpus rotundatus (Miq.) Danser) and Geronggang (Cratoxylum arborescens).
Penjarangan Awal Tanaman Sengon Jarak Tanam 2m X 2m Agroforestry Sederhana di Widodomartani Ngemplak Sleman Yogyakarta Prijono, Agus; Rawana; Saputro, Setiaji Heri
Jurnal Wana Tropika Vol 15 No 2 (2025): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v15i2.2344

Abstract

The Widodomartani community cultivates some of their land for forest plants, generally sengon (Falcataria moluccana) is liked community because fast growing species and harvested quickly. Generally, the planting pattern used is simple agroforestry, with a planting distance of 2m x 2m. This research aims to determine the growth using agroforestry pattern ,time the first thinning and  their plant components  . The growth data taken is in the form of height, diameter and plant components. The growth data obtained was t tested. The results research t tested showed that agroforestry pattern is better than monoculture to 3 aged for average height and average diameter before 3 aged but at 3 aged not significant so this is the right time for the first thinning so that when harvesting the results are optimal. The plant components first year include sengon with intercropping of cassava, chili peppers, blue taro, tomatoes, corn, papaya  and after first year sengon, blue taro, papaya. The disturbance found was tumor rust caused by Uromycladium tepperianum.
FRONT MATTER WANA TROPIKA VOLUME 15 NOMOR 2 NOVEMBER 2025 Kusumaningsih, Kartirahayu
Jurnal Wana Tropika Vol 15 No 2 (2025): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

FRONT MATTER WANA TROPIKA VOLUME 15 NOMOR 2 NOVEMBER 2025
Pengaruh Bonita dan Ketinggian Tempat Tumbuh terhadap Produktivitas Getah Pinus (Pinus merkusii) DI BKPH Purworejo, KPH Kedu Selatan Erika Novita Andriani; Siman Suwadji
Jurnal Wana Tropika Vol 16 No 1 (2026): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v16i1.2007

Abstract

The Pine tree (Pinus merkusii Jungh. Et de Vriese) is one of the pioneer plant species that can grow in various conditions without requiring specific growing conditions, and the main product of this tree is Pine resin. This study aims to determine the effect of diameter at breast height (DBH) and altitude on Pine resin productivity, conducted at RPH Bruno plots 46 K-2 and 47B; RPH Katerban plots 103A and 105, BKPH Purworejo, KPH Kedu Selatan. Observations were carried out for 30 days with 3 data collection sessions on tapping wounds made by the researcher. The methods used were Quantitative and Qualitative with multiple linear regression analysis, with the multiple linear regression equation Y = 16.823 – 2.694 X1 – 0.006 X2; based on the regression equation, the value for DBH is -2.694 and for altitude is -0.006.  The results of this study show that Bonita and The altitude of the growing location affect Pine resin productivity. In addition, the analysis data of the correlation coefficient (R) in the coefficient of determination (R2) obtained a value of 1, meaning that the variables Bonita and the altitude of the growing location are strongly correlated with pine resin productivity. The estimated annual production results (year 2025) obtained by the researcher are lower compared to the RTT 2025 production target of BKPH Purworejo in the same plot. This result is due to the researcher only weighing resin from one tap made by the researcher, whereas in reality, tapping farmers make an average of two taps.
Uji In-Vitro Ekstrak Daun Tembakau (Nicotiana tabacum) dan Alamanda (Allamanda cathartica) sebagai Pengendali Hama Helopeltis bradyi pada Bibit Eucalyptus sp. Andreas Fernandez; Karti Rahayu Kusumaningsih
Jurnal Wana Tropika Vol 16 No 1 (2026): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v16i1.2340

Abstract

Helopeltis bradyi is an important pest in Eucalyptus sp. seedlings that cause damage and seedling death. Pest control that is usually carried out at HTI (Industrial Forest Plantations) is by using chemical pesticides that have the potential to have a negative impact on the environment. Therefore, an alternative pesticide is needed for the use of  botanical pesticides. The purpose of this study is to know the effect of botanical pesticide types and solution formulas on the mortality and severity of H. bradyi pest attack on Eucalyptus sp. seedlings. The research used a Randomized Complete Block Design with two treatment factors, namely the type of botanical pesticide (tobacco and allamanda leaf extract) and the solution formula (10%, 20% and 30%). The observed parameters included pest mortality and severity of H. bradyi pest attack on seedlings with in-vitro test. Results of the research showed that interaction between the type of botanical pesticide in the form of Nicotiana tabacum and Allamanda cathartica leaf extract with 30% solution formula produced a higher mortality of H. bradyi pests with 100% pest mortality. Nicotiana tabacum leaf extract with 30% formula produce 0,00% pest attack severity.
Pengaruh Jenis Kayu dalam Perendaman Minyak Jelantah dan Plastik LDPE terhadap Stabilisasi Dimensi dan Sifat Mekanik Kayu Wisnu Wardana; Hastanto Bowo Woesono; Didik Surya Hadi
Jurnal Wana Tropika Vol 16 No 1 (2026): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v16i1.2549

Abstract

This study aims to determine the effect of wood type and immersion time in plastic solution on the dimensional stability and mechanical properties of wood. This study used a completely randomized design with factorial experiments. The factors used consisted of 2 factors including wood type consisting of three types of wood: sengon, teak, bangkirai, and immersion time factors including three levels, namely: control (0), 20, and 30 minutes, each of which was repeated three times. The parameters observed included the dimensional change ratio (T/R), MOE, MOR, and compressive strength parallel to the grain. The test results for each parameter were analyzed using Analysis of Variance, and if there were significant differences, further testing was carried out using the Tukey test. The results showed that immersion increased the dimensional stability of wood as indicated by a decrease in the T/R ratio in sengon from 1.56 to 1.49 and teak from 1.64 to 1.58, while bangkirai had a higher value of 2.03–2.26. Tukey's test showed that the MOE values ​​differed significantly between wood species, namely sengon 1,239.17 kg/cm², teak 2,715.29 kg/cm², and bangkirai 4,669.53 kg/cm². The MOR values ​​were 571.34 kg/cm², 1,394.91 kg/cm², and 2,182.14 kg/cm², respectively. However, the immersion and the interaction between the two did not differ significantly. The compressive strength parallel to the grain also differed significantly between wood species: sengon (255.34 kg/cm²), teak (435.25 kg/cm²), and bangkirai (752.66 kg/cm²). The immersion treatments differed significantly from the control, but no significant differences were observed between the immersion treatments. The average compressive strength parallel to the wood grain increased with each immersion treatment, from 406.56 kg/cm² (0 min) to 514.07 kg/cm² (20 min) and 522.62 kg/cm² (30 min), without any interaction between the two factors.
Pengaruh Entomopatogen Metarhizium sp. dan Beauveria bassiana untuk Mengendalikan Hama Thrips sp. pada Tanaman Acacia crassicarpa Carlos Tandri; Agus Prijono
Jurnal Wana Tropika Vol 16 No 1 (2026): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v16i1.1882

Abstract

Nursery Department is the department responsible for ensuring the success of Acacia crassicarpa plants in the early stages before being planted in the planting area. One of the challenges faced by the Nursery Department is the attack of Thrips sp. pests which greatly threaten the quality and quantity of seedling production. Therefore, it is necessary to test the effect of entomopathogen Metarhizium sp. and Beauveria bassiana in overcoming Thrips sp. pest attacks. This research aims to determine the effect of using entomopathogen, both Metarhizium sp. and Beauveria bassiana, in overcoming the severity of Thrips sp. pest attacks and to find out whether it is true that Thrips sp. found dead are actually infected by entomopathogen. This research was carried out using a Randomized Complete Block Design (RCBD) method with a further test of the Least Significant Difference (LSD) follow-up test. The number of treatments in this study consisted of 6 treatments where each treatment was repeated 3 times. The parameters observed were the severity of Thrips sp. pest attacks and the percentage of Thrips sp. pests found dead infected by entomopathogens. The results of the study showed that entomopathogens, both Metarhizium sp. and Beauveria bassiana, showed a very significant effect on controlling the severity of Thrips sp. pest attacks. And Thrips sp. that were found dead were also proven to have died due to being infected by the entomopathogens Metarhizium sp. and Beauveria bassiana.
Potensi Simpanan Karbon Vegetasi Penyusun Hutan Kota di Kecamatan Pare, Kabupaten Kediri John Bosco Da Costa; Rawana; Tatik Suhartati
Jurnal Wana Tropika Vol 16 No 1 (2026): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v16i1.2503

Abstract

Rapid urban development has led to increased carbon dioxide (CO2) emissions and a decline in environmental quality. Urban forests serve as an ecological solution through the ability of vegetation to sequester and store carbon. This study was conducted at Ringin Budho Urban Park and Kilisuci Urban Park in Pare District, Kediri Regency, with the aim of identifying vegetation composition and calculating carbon stock potential on site. The method employed was a vegetation census using a nested plot approach (20m x 20m), followed by biomass estimation using the allometric equation from Chave et al. (2005) and carbon conversion based on the National Standardization Agency (2019) standards. The results showed that the urban forests in Pare District consist of 17 species from 14 families, with a total of 220 individuals. The carbon stock potential reached 52,406.90 tons Carbon /ha, with the largest contribution coming from the Rain Tree (Samanea saman) at 98.60%. Analysis based on vegetation level revealed a dominance of mature trees, accounting for 98.22% of the carbon stock. Based on wood density categories, the moderately heavy group (0.60 - 0.75) contributed 98.72% of the total carbon stock. A comparison between locations indicated that Kilisuci Urban Park has a higher carbon stock compared to Ringin Budho Urban Park.This research demonstrates that the presence of species with large biomass and high wood density is crucial in determining the carbon storage capacity of urban forests. These findings can serve as a basis for managing urban green open spaces to support climate change mitigation.
Perubahan Tutupan Vegetasi Menggunakan Citra Satelit Landsat 8 dengan Metode NDVI di Kapanewon Cangkringan Natanael Christian Hutagalung; Sugeng Wahyudiono; Yuslinawari
Jurnal Wana Tropika Vol 16 No 1 (2026): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v16i1.2508

Abstract

Cangkringan Subdistrict is an area in Sleman Regency located on the southern slopes of Mount Merapi. This region experiences significant land use dynamics due to volcanic activity, residential development, and community agricultural activities. These conditions can lead to changes in vegetation cover over time. Changes in vegetation cover require attention because they are related to ecosystem balance, environmental conditions, and regional spatial planning. Accurate information on vegetation conditions is essential for understanding environmental developments in a region. Therefore, remote sensing technology utilizing satellite imagery can be used as a means to effectively and periodically monitor vegetation conditions and changes. This study aims to determine the condition of vegetation cover and changes in vegetation density levels in Kapanewon Cangkringan between 2014 and 2024. The analysis was conducted using the Normalized Difference Vegetation Index (NDVI) method obtained from processing Landsat satellite imagery. The analysis process was carried out with the help of a Geographic Information System through the stages of calculating NDVI values, classifying vegetation density, and overlay analysis to see changes in vegetation cover between observation periods. The results of the study indicate that there was a change in vegetation cover during the 2014–2024 period. The area of ​​“non-vegetated land” decreased from 280.44 ha to 117.99 ha. “Low vegetation” also decreased from 3,291.48 ha to 2,837.25 ha, while “medium vegetation” increased from 903.60 ha to 1,500.30 ha. “Very low vegetation” increased from 384.93 ha to 404.91 ha.Over a period of 10 years in Kapanewon Cangkringan, there has been a decrease in "non-vegetated land" covering an area of ​​280.44 ha - 117.99 ha = 162.45 ha and "low vegetation" covering an area of ​​3,291.48 ha - 2,837.25 ha = 454.23 ha, which has increased is "medium vegetation" covering an area of ​​1,500.3 ha - 903.6 ha = 596.7 ha, and "very low vegetation" increased by an area of ​​404.91 ha - 384.93 ha = 19.96 ha. There is a dynamic change in land cover, both a decrease and an increase of 616.68 ha. If the area of ​​Kapanewon Cangkringan is 4,860.45 ha, then over 10 years there has been a dynamic change of 616.68 ha or 12.68%.

Page 13 of 14 | Total Record : 132

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