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All Journal Indonesian Journal of Forestry Research Jurnal Penelitian Hasil Hutan
Listya Mustika Dewi
Pusat Penelitian dan Pengembangan Keteknikan Kehutanan dan Pengolahan Hasil Hutan Jl. Gunung Batu . 5, Bogor. 16610. Telp. (0251)-8633378, Fax. (0251)-8633413
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management

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ANATOMICAL PROPERTIES OF Shorea mujongensis P.S. Ashton, A CRITICALLY ENDANGERED SPECIES OF DIPTEROCARPS FROM KALIMANTAN Dewi, Listya Mustika; Supartini, Supartini
Indonesian Journal of Forestry Research Vol 8, No 2 (2011): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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Abstract

Wood anatomy of Shorea mujongensis P.S. Ashton was investigated in order to ensure this species belongs to yellow meranti group. Such study is very important since this species is already listed in the red list of IUCN and classified as critically endangered species. The microscopic slides were prepared according to the Johansens method, while the anatomical features observed according to the IAWA  List. The results show that S. mujongensis wood exhibit brown heartwood, light brown sapwood, rough texture, straight grain sometimes interlocked and somewhat rough. The main microscopic characters are growth rings indistinct; vessel diffuse, mostly solitary, rounded to oval; simple perforation plate and alternate intervessel pits; parenchyma scanty paratracheal to thin vasicentric; axial intercellular canals in long tangential line, radial intercellular canal and vasicentric tracheids present; rays uniseriate and multiseriate, prismatic crystal in procumbent cells; fiber length 1,294 µm, diameter 26 µm and wall thickness 4µm. Macroscopic and microscopic observation of S. mujongensis wood confirms the species belongs to yellow meranti group. The assesment on fiber dimensions and derived values of the wood fibers classified the wood into class quality II. It indicates that this species is moderately favorable as raw material for pulp and paper manufacture.
ANALISIS HASIL PENGUJIAN KAYU YANG DISERANG PENGGEREK KAYU DI LAUT DENGAN INTERPRETASI GAMBAR DIGITAL Krisdianto, Krisdianto; Dewi, Listya Mustika; Muslich, Mohammad
Jurnal Penelitian Hasil Hutan Vol 33, No 1 (2015): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Litbang Keteknikan Kehutanan dan Pengolahan Hasil Hutan

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Abstract

Keawetan kayu alami dinilai berdasarkan ketahanannya terhadap organisme perusak tertentu. Pengujian ketahanan alami kayu terhadap organisme perusak di laut dilakukan dengan membenamkan contoh kayu di perairan laut terbuka. Setelah enam bulan, kayu dinilai intensitas kerusakannya dan diklasifikasikan kelas ketahanannya terhadap serangan penggerek di laut. Penilaian kerusakan kayu dilakukan dengan interpretasi gambar digital. Tulisan ini mempelajari ketahanan alami sembilan jenis kayu dari Sumatera, Jawa dan Kalimantan terhadap organisme penggerek laut dengan perangkat lunak Image-J setelah enam bulan. Hasil pengujian kayu di perairan terbuka menunjukkan kayu sempur lilin (Michelia champaca L.var. pubinervia) dan kayu bawang (Azadirachta excelsa) (Jack) Jacobs) termasuk kelas ketahanan I (sangat tahan), sedangkan kayu cangcaratan (Lithocarpus sundaicus(Blume) Rehd., aveang kelalai (Shorea pervistipulata ssp. albifolia) termasuk kelas ketahanan II (tahan) terhadap penggerek kayu di laut. Kayu ki pasang (Prunus javanica Miq.) dan segelam (Hopea rudiformis) termasuk kelas ketahanan III (agak tahan) terhadap penggerek kayu di laut, sedangkan kayu ki bugang (Arthophyllum diversifolium Blume) dan ki langir (Otophora spectabilis Blume) termasuk kelas ketahanan V (sangat tidak tahan) terhadap penggerek kayu di laut. Pengukuran persentase kerusakan kayu dapat dilakukan dengan akurasi tinggi menggunakan metode gambar digital daripada cara konvensional. Pengukuran persentase kerusakan kayu dengan gambar digital menghasilkan nilai lebih tinggi karena bekas lubang tali. Namun, bekas lubang tali juga diperhitungkan sebagai kerusakan kayu. Untuk memperoleh pengukuran kerusakan yang tinggi, maka metode gambar digital dimodifikasi dengan menutup bagian lubang bekas tali dengan kesan yang sama dengan bagian disekitarnya.
ANATOMICAL PROPERTIES OF Shorea mujongensis P.S. Ashton, A CRITICALLY ENDANGERED SPECIES OF DIPTEROCARPS FROM KALIMANTAN Dewi, Listya Mustika; Supartini, Supartini
Indonesian Journal of Forestry Research Vol 8, No 2 (2011): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2011.8.2.91-100

Abstract

Wood anatomy of Shorea mujongensis P.S. Ashton was investigated in order to ensure this species belongs to yellow meranti group. Such study is very important since this species is already listed in the red list of IUCN and classified as critically endangered species. The microscopic slides were prepared according to the Johansens method, while the anatomical features observed according to the IAWA  List. The results show that S. mujongensis wood exhibit brown heartwood, light brown sapwood, rough texture, straight grain sometimes interlocked and somewhat rough. The main microscopic characters are growth rings indistinct; vessel diffuse, mostly solitary, rounded to oval; simple perforation plate and alternate intervessel pits; parenchyma scanty paratracheal to thin vasicentric; axial intercellular canals in long tangential line, radial intercellular canal and vasicentric tracheids present; rays uniseriate and multiseriate, prismatic crystal in procumbent cells; fiber length 1,294 µm, diameter 26 µm and wall thickness 4µm. Macroscopic and microscopic observation of S. mujongensis wood confirms the species belongs to yellow meranti group. The assesment on fiber dimensions and derived values of the wood fibers classified the wood into class quality II. It indicates that this species is moderately favorable as raw material for pulp and paper manufacture.
Co-Authors Krisdianto Sugiyanto Mohammad Muslich Supartini Supartini