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Kutana, Agung Nugrawan
Politeknik Pertanian Negeri Samarinda
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Produksi Umpan Rayap dari Limbah Bahan Organik dan Efektivitasnya dalam Pengendalian Serangan Coptotermes sp. Agung Nugrawan Kutana; Musrizal Muin; Astuti Arif
PERENNIAL Vol. 14 No. 2 (2018)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v14i2.5665

Abstract

Damages of building construction due to termite attacks have caused high economic losses and therefore, efforts are continuously developed to overcome the serious problem. Baiting system is one way to control termite attacks as it consists of acceptable termite food sources, combined with a slow-acting substance lethal to termites. This study was conducted to produce termite bait materials from organic waste mixtures and evaluate its effectiveness against termite attacks in the field. The termite baits were produced by mixing paper, cardboard, and degraded pine wood, combined with leaves of Melaleuca leucadendron Linn assumed to be toxic to termites. Tapioca starch was used as glue and added to the organic materials mixture before pressed at room temperature with the target density of 1.0 g/cm3. The produced baits were placed in the field with signs of heavy attacks of termites, Coptotermes sp., and observed every three days for the termite elimination. Results showed that the bait formulation enables to significantly eliminate the termite attacks with high attractant properties. However, its effectiveness was still lower than the commercial bait due to its high capacity of water absorption, indicating the importance of further research on its mixture and glue formulation.
Daya Tahan Hidup Fragmen Koloni Rayap Tanah Coptotermes curvignathus Holmgren (Isoptera: Rhinotermitidae) dalam Pemeliharaan di Laboratorium Kutana, Agung Nugrawan; Nandika, Dodi; Arinana; Hanifah, Nisrina Putri; Wahyuningtias, Irma
PERENNIAL Vol 20 No 2 (2024): Vol. 20 No. 2, Oktober 2024
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v20i2.36785

Abstract

Information about colony fragments survival of the termite species Coptotermes curvignathus Holmgren in the laboratory is very limited. This study was conducted to determine colony fragments survival of the subterranean termite C. curvignathus Holmgren in laboratory maintenance. The test media used the Termitarium PSIH-IPB: 1999 as a glass vessel containing 4 kg of a mixture of sand and clay with 4 proportions and 4 different pH determined as treatments that would be studied for their effects on termite survival. The results showed that the proportion of the sand:clay mixture affected the survival and feeding preferences of the subterranean termite C. curvignathus Holmgren. The highest percentage of termites that survived was found in the termitarium containing a mixture of sand:clay 50:50. The highest percentage of bait wood weight loss occurred in the test media containing a mixture of sand: clay 50:50. The weight loss of bait wood is directly proportional to the termites survival.
Feeding Preferences of Subterranean Termite Schedorhinotermes javanicus on Tusam (Pinus merkusii) Wood Kutana, Agung Nugrawan; Nandika, Dodi; Arinana, Arinana
Jurnal Sylva Lestari Vol. 13 No. 1 (2025): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i1.1063

Abstract

Wood-destroying termites are quite influential in Indonesia, and the subterranean termite Schedorhinotermes javanicus is one of them. This study was conducted to determine the feeding preferences of subterranean termites S. javanicus on tusam (Pinus merkusii) wood and the influence of their environment. The bait woods made of tusam boards were installed at the experimental site. The weight loss and consumption of bait woods were studied with three test times (one, two, three) months of burial. The subterranean termite specimens attacking the bait woods, soil characteristics, and weather at the experimental field were also identified. The results demonstrated that the average air temperature at the experimental site was 25.4 ± 0.4°C, the average air humidity reached 88.8 ± 2.4%, and the light intensity at the experimental site ranged from 175.67 lux to 3889.7 lux. The results showed that S. javanicus quite actively attacked the bait wood. This can be seen from the high weight loss (35.03%) and the wood consumption (38.78 g). The weight loss after three exposure times in the experimental field was up to 13.54%, 16.38%, and 35.03%, respectively. The wood consumption during the same experimental period reached 14.9 g, 18.25 g, and 38.78 g, sequentially. The high weight loss and the consumption of bait wood indicate the high feeding preference of the subterranean termites S. javanicus on tusam wood. Keywords: field test, Pinus merkusii, Schedorhinotermes javanicus, weight loss, wood consumption
Keterbasahan Kayu Jati Cepat Tumbuh Termodifikasi Kimia dan Panas: Wettability of Chemically and Thermally Modified of Fast-Growing Teak Wood Hanifah, Nisrina Putri; Wahyuningtyas, Irma; Kutana, Agung Nugrawan; Dirna, Fitria Cita
PERENNIAL Vol 21 No 1 (2025): Vol. 21 No. 1, April 2025
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v21i1.43479

Abstract

Fast-growing species are chemically and thermally modified to improve quality. These changes affect wood’s chemical composition and surface characteristics. This study aims to analyze the durability of fast-growing teak wood that has been chemically and thermally modified. Chemical modification was carried out by impregnation using citric acid and polyethylene glycol (PEG) 400, while heat modification carried out at 150 °C. The wettability of wood was tested by measuring the contact angle with six types of liquid, aquades, toluene, glycerin, methanol, alkyd, and acrylic paint. The results showed that chemical modification treatment significantly improved the wettability of wood compared to control and heat treatment. Wood treated with citric acid and PEG 400 exhibits a lower contact angle, indicating increased liquid absorbency. Conversely, heat treatment increased the contact angle value making the wood more hydrophobic. Alkyd showed better wettability than acrylic paints, possibly due to their lower viscosity values. This suggests that chemical modification more effectively improves wood coating adhesion.
Karakteristik Fisika dan Mekanika Papan Partikel dari Limbah Serbuk Gergaji Meranti Merah (Shorea leprosula): Effect of Board Thickness on The Physical and Mechanical Properties of Particleboard Made from Red Meranti (Shorea leprosula) Sawdust Waste Nona, Risna; Nurmarini, Eva; Fadilla, Ferdi Alim; Kutana, Agung Nugrawan
PERENNIAL Vol 21 No 2 (2025): Vol. 21 No. 2, October 2025
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v21i2.47452

Abstract

The wood processing industry produces red meranti (Shorea leprosula) sawdust waste. This waste is generally not optimally utilized and can have negative impact. The use of sawdust as a raw material for particleboard is an environmentally friendly and economically valuable solution, given that particleboard has the potential to replace solid wood in the wood industry. This study aims to utilize red meranti sawdust waste as raw material for particleboard production using urea formaldehyde adhesive with different particleboard thicknesses. This studi evaluates the effect of thickness variations (1 cm, 1.5 cm, and 2 cm) on the physical properties (moisture content, density, and thickness swelling) and mechanical properties (elasticity/MoE, breaking strength/MoR, and tensile strenth) of particleboard. The results of testing the physical properties of particleboards showed that the average moisture content ranged from 10.92 % to 11.76 %, the density ranged from 0.54 g/cm3 to 0.6 g/cm3, and the thickness swelling ranged from 4.05 % to 12.02 %. Mechanical property testing of particleboard showed that the average MoE ranged from 9,110 kg/cm2 to 67,813 kg/cm2, MoR ranged from 9.44 kg/cm2 to 37.93 kg/cm2, and internal bonding ranged from 0.292 kg/cm2 to 0.396 kg/cm2. Based on the results of statistical analysis, it shows that in testing physical properties, thickness variation does not affect moisture content and density, but affects the thickness swelling of particleboards after being immersed for 2 and 24 hours. In mechanical property testing, thickness variation did not affect internal bonding, but it did affect MoE and MoR. Overall, this study confirms the potential of red meranti sawdust waste as a raw material for particleboard, although improvements are needed in increasing mechanical strength, particularly MoR and internal bonding.
Keawetan Alami Kayu Eboni (Diospyros celebica) Bagian Dalam dan Luar Terhadap Serangan Rayap Kayu Kering (Cryptotermes cynocephalus) Nisrina Putri Hanifah; Agung Nugrawan Kutana; Silvia Uthari Nuzaverra Mayang Mangurai
TERRA: Journal of Forest Management Vol. 1 No. 1 (2025): January 2025
Publisher : Universitas Satya Terra Bhinneka

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

Abstract

The natural durability of wood is determined by the content of extractive substances that are toxic to destructive organisms such as fungsi and termites. Ebony wood, known for its strength and economic value, has a high extractive content that makes it resistant to drywood termite attack. This study examines the ability of ebony wood to resist termite attack, offering a natural solution to reduce wood damage in Indonesia. Specific research on the matural durability of ebony against drywood termite attack, whisch has not been widely studied in depth. Differences in durability between the inside and outside of the wood, as well as the effectvness of ebony wood against termites, which offers a natural alternative for wood protection in tropical regions such as Indonesia. This study used ebony wood (inside and outside) and pine wood as a control to test its natural durability against drywood termites. The wood durability test was conducted using the standard method of SNI 01-7207-2014, with 12 weeks of observation of wood damage and termite mortality. This study evaluated the physical properties and durability of ebony (inside and outside) and pine wood against drywood termites. Moisture content measurements showed that pine wood has a higher MC than ebony wood, with outer ebony wood slightly higher than inside wood. The density and specific gravity of ebony wood are higher than pine wood, which is related to its extractive substance content. Durability test showed ebony wood, especially the inside part, had lower weightloss and termite mortality than pine wood, indicating higher durability due to the content of toxic extractives.
Karakteristik Mekanis Kayu Afrika Maesopsis eminii Engl. Agung Nugrawan Kutana; Nisrina Putri Hanifah; Khairun Hidayat
TERRA: Journal of Forest Management Vol. 1 No. 1 (2025): January 2025
Publisher : Universitas Satya Terra Bhinneka

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Abstract

Dalam pemilihan pemanfaatan serta penggunaan dari kayu Afrika Maesopsis eminii Engl., perlu diketahui karakteristik mekanis dari kayu tersebut. Sifat mekanis kayu merupakan kemampuan kayu dalam menahan beban dari luar. Sifat-sifat Mekanis Kayu Afrika Maesopsis eminii masih belum banyak diketahui dan dilaporkan. Nilai pengujian beberapa sifat mekanis kayu Afrika Maesopsis eminii. Metode penelitian ini yaitu pengujian sifat mekanis yang dilakukan sebanyak delapan pengujian dengan menggunakan standart ASTM D143 yaitu pengujian keteguhan geser, kekerasan, keteguhan lentur sekunder dan primer, keteguhan tarik sejajar, keteguhan tarik tegak lurus serat, keteguhan tekan sejajar, dan keteguhan tekan tegak lurus serat. Hasil penelitian menunjukkan bahwa kayu Afrika memiliki berat jenis 0.45 pada kondisi kering udara dengan kadar air 11.61 %. Berdasarkan pengujian-pengujian mekanis dari kayu Afrika, kayu ini tergolong kayu kelas kuat II-IV. Kesimpulan dari penelitian ini yaitu berdasarkan kelas kuat yang diperoleh kayu ini dapat dipergunakan dan dimanfaatkan dalam bentuk pemakaian bahan kontruksi ringan, kayu lapis, pulp, korek api, dll.
Preliminary Evaluation of Sound Insulation Capability in Wood-Based Materials Using Realistic Noise Sources under a Simplified Experimental Approach Wahyuningtyas, Irma; Syafi'i; Kutana, Agung Nugrawan
Science Education and Application Journal Vol. 8 No. 1 (2026): Science Education and Application Journal
Publisher : Program Studi Pendidikan IPA, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/seaj.v8i1.1337

Abstract

This study evaluates the sound attenuation capabilities of four wood-based materials under realistic noise conditions. An experimental approach using a simple, non-standardized test method was conducted in a small-scale chamber, where each material was alternately installed as a barrier. Sound sources included motorcycle horns, falling objects, woodworking machines, and music. Sound intensity was measured using a sound level meter, and each treatment was repeated three times. The data were analyzed using Analysis of Variance (ANOVA) followed by Duncan’s Multiple Range Test (DMRT) at a 5% significance level. The results showed that all tested materials significantly reduced sound intensity compared to the control (P < 0.05), with the average sound intensity value ranging from 74.6 to 89.6 dB. Statistical analysis confirmed significant differences among materials. In conclusion, wood-based materials demonstrate the ability to reduce sound intensity under practical noise conditions, with particle board showing the best performance, and solid wood showing the lowest performance. Although the method used is simple and not based on standardized acoustic testing, the results provide preliminary evidence of the potential of porous wood-based materials as sound-absorbing media.
KEGIATAN PENANAMAN POHON DAN PEMBERSIHAN SUNGAI DI SUB-DAS KARANG MUMUS Shalehudin Denny Maruf Denny; Andi Yusuf; Irma Wahyuningtyas; Agung Nugrawan Kutana; Nisrina Putri Hanifah; Fitria Cita Dirna; Riki Andika
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 6 No. 2 (2025): Volume 6 No. 2 Tahun 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v6i2.40702

Abstract

Kegiatan pengabdian kepada masyarakat berupa penanaman pohon dan pembersihan sungai adalah upaya dalam melindungi kelestarian sumber daya air. Kegiatan ini dilaksanakan pada 31 Agustus 2024 dan bertempat di Sungai Karang Mumus, Kelurahan Lempake, Samarinda. Pelaksanaan kegiatan ini diawali dengan penanaman 100 bibit pohon dengan jenis yang berbeda dan dilanjutkan dengan pembersihan sampah plastik dan styrofoam. Kegiatan ini berlangsung dengan lancar dan menyebabkan dampak positif terhadap penghijauan Kembali wilayah bantaran Sungai Karang Mumus dan peningkatan kesadaran bagi Masyarakat di sekitarnya.
Pemanfaatan Limbah Organik Kulit Jeruk (Citrus nobilis) Sebagai Minyak Angin Aromaterapi Wartomo; Risna Nona; Erina Hertianti; Heriad Daud Salusu; Muhammad Fikri Hernandi; Joko Prayitno; Andi Yusuf; Nisrina Putri Hanifah; Agung Nugrawan Kutana; Irma Wahyuningtyas; Farida Aryani; Nur Maulida Sari
ABDIKU: Jurnal Pengabdian Masyarakat Universitas Mulawarman Vol. 4 No. 2 (2025): ABDIKU : Jurnal Pengabdian Masyarakat Universitas Mulawarman
Publisher : Fakultas Kehutanan dan Lingkungan Tropis, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32522/08d6dg37

Abstract

Orange peel waste is one of the wastes that negatively impacts the environment if left to accumulate and ends up rotting. This will lead to environmental pollution in the surrounding area. One application of utilizing orange peel waste is to process it into essential oil, creating a product with high economic value. This activity aims to provide training on the utilization of orange peel waste, which is known to contain active ingredients, into aromatherapy oil products. The method of the activity is carried out through several stages, including: field surveys and coordination with local parties, the implementation of the activity to produce aromatherapy oil from essential oil waste of orange peels, discussions during the activity, and an evaluation of the activity to assess and analyze the achievement of the community service implementation. The result of this activity is the improvement and understanding gained by the community group through training and socialization in utilizing orange peel waste into products with high economic value for the PKK group from Dasawisma Teratai RT.26 Sei Keledang, Samarinda Seberang District.
Co-Authors Andi Yusuf Andi Yusuf Arinana Arinana Astuti Arif Dodi Nandika Erina Hertianti Fadilla, Ferdi Alim Farida Aryani Fitria Cita Dirna Hanifah, Nisrina Putri Heriad Daud Salusu Heriad Daud Salusu Irma Wahyuningtyas Irma Wahyuningtyas Joko Prayitno Joko Prayitno Khairun Hidayat Muhammad Fikri Hernandi Musrizal Muin Nisrina Putri Hanifah Nisrina Putri Hanifah Nurmarini, Eva Riki Andika Risna Nona Sari, Nur Maulida Shalehudin Denny Maruf Denny Silvia Uthari Nuzaverra Mayang Mangurai Syafi'i Wahyuningtias, Irma Wahyuningtyas, Irma Wartomo Wartomo