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All Journal Jurnal Hutan Tropika ARRUS Journal of Engineering and Technology Jurnal Wana Tropika Proceedings Series on Physical & Formal Sciences Empowerment: Jurnal Pengabdian Masyarakat Jakadimas Jurnal Wana Tropika
Woesono, Hastanto Bowo
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Efektivitas Ekstrak Serbuk Kayu Jati dan Mahoni Sebagai Pestisida Nabati untuk Mengendalikan Hama Kutu Putih pada Bibit Sengon (Falcataria moluccana): Effectivity of Teak and Mahogany Wood Extracts as Botanical Pesticide to Control Pseudococcus calceolariae Pests at Falcataria moluccana Seedlings Kusumaningsih, Karti Rahayu; Woesono, Hastanto Bowo; Duru, Anastasya
HUTAN TROPIKA Vol 19 No 1 (2024): Volume 19 Nomor 1 Tahun 2024
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v19i1.14221

Abstract

Waste of teak and mahagony woods in the form of sawdust has not been utilized. Those woods contain of extractives subtances such as carbamic acid, ammonium carbamate, phenol, flavonoid, saponin, etc. which potential to be used as botanical pesticide to control pests. The purpose of this research is to know effectivity of teak and mahagony wood extracts as botanical pesticide with several solution formulas, to control Pseudococcus calceolariae pest at Falcataria moluccana seedlings. Teak and mahagony sawdust were extracted with ethanol solvent and made into botanical pesticide with 10%, 20% and 30% formulas. The observed parameters are decrease of incidency and severity of P. calceolariae attack at F. moluccana seedlings after botanical pesticide application. Results of the research showed that teak and mahogany wood extracts were effective to control Pseudococcus calceolariae pest at Falcataria moluccana seedlings. Teak wood extract with 30% formula gived higher incidency and severity decreased of P. calceolariae attack, with decrease of incidency and severity were 89.32% and 94.44%.
Karbon Tersimpan Analisis Komposisi Dan Potensi Cadangan Karbon Tersimpan Pada Vegetasi Penyusun Riparian Sungai Pusur Kabupaten Klaten: Analysis Of Composition and Potential Carbon Stock Stored in Riparian Vegetation Pusur River in Klaten District Woesono, Hastanto Bowo; Wahyudiono, Sugeng; Telaumbanua, Imelda Kristy
HUTAN TROPIKA Vol 19 No 1 (2024): Volume 19 Nomor 1 Tahun 2024
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v19i1.14340

Abstract

The quantity of biomass in the forest is the result of the difference between production through photosynthesis and consumption by respiration and harvesting processes. This study aims to determine the types of vegetation, vegetation composition and potential carbon stocks at various altitudes. This study used a quantitative survey method, to obtain and collect vegetation information data along the riparian of the pusur river. The conclusion of the types of vegetation that make up the Pusur River Riparian is 36 types of understory plants, 8 types of seedlings with a diameter of less than 5 cm, 17 types of trees with a diameter of 5-20 cm, 21 types of trees with a diameter of 20-50 cm, 7 types of trees with a diameter above 50 cm. The composition of vegetation types that make up the Pusur River Riparian is 1,239 individual understory plants, 33 seedlings less than 5 cm in diameter, 85 trees 5-20 cm in diameter, 104 trees 20-50 cm in diameter, and 14 trees above 50 cm in diameter. The potential carbon stock stored in the vegetation that makes up the Pusur River Riparian is in block 1 upland as much as 395.24 tons, block 2 middle land as much as 309.36 tons and block 3 lowland as much as 360.98 tons, with a total along 26 km of 1,065.57 tons, and for those that are likely to be lost due to commercial timber species is 701.63 tons or equivalent to 65.85% of the total carbon.
Perbaikan Kualitas Kayu dan Produk Mebel di Art Antique dan Mebel Kayu Jati Sushardi, Sushardi; Woesono, Hastanto Bowo; Suwadji, Siman; Hadi, Didik Surya
Empowerment: Jurnal Pengabdian Masyarakat Vol. 3 No. 2 (2024): MARET 2024
Publisher : Pusat Riset Manajemen dan Publikasi Ilmiah Serta Pengembangan Sumber Daya Manusia Sinergi Cendikia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55983/empjcs.v3i2.444

Abstract

The main problem in the furniture industry is the quality of wood and furniture products due to the lack of knowledge about wood, available tools machinery, and labor. To deal with these problems, the solutions offered are counseling, training in wood and furniture products knowledge, and procurement of planer and finishing machines. The purpose of the service is to find out the quality problems of wood and furniture products in the antique art and teak wood furniture industry. Community service methods with counseling, training on the quality of wood and furniture products, and procurement of planer and finishing machines. Targets and outputs are to increase knowledge of the quality of wood and furniture products and the procurement of planners and finishing machines. The results of the service show that counseling and training on wood and furniture product knowledge is very effective for increasing knowledge of the quality of wood and furniture products. The use of planer and finishing machines can improve the quantity, quality, and innovation of products.
Pengaruh Jenis Kayu dalam Perendaman Minyak Jelantah dan Plastik LDPE terhadap Stabilisasi Dimensi dan Sifat Mekanik Kayu Wardana, Wisnu; Woesono, Hastanto Bowo; Hadi, Didik Surya
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.
Co-Authors ., Rawana Agus Prijono Budi Raharjo Damayanty, Dhewy Duru, Anastasya Falah, M. Darul Gaol, Santo Wibowo Lumban Hadi, Didik Surya Herin, Maria C.P Kusumaningsih, Karti Rahayu Nofriansyah, Wahyu Nugroho, Yunianto Hargo Pratiwi, Lufitasari Indah Pujasa, Dwita Purwanto, Muhammad Amir Rawana Saputro, Setiaji Heri Sentot Purboseno Sugeng Wahyudiono, Sugeng Suhartati, Tatik Supriyanto, Gani Sushardi Sushardi Sushardi, Sushardi Suwadji, Siman Telaumbanua, Imelda Kristy Webliana, Kornelia Wisnu Wardana, Wisnu