Garuda - Garba Rujukan Digital

The research was conducted on four wood species with small of diameter, originated from Sukabumi, i.e. huru gading (Litsea odorifera Val.), sampora (Colona javanica Burr.), kisampang (Evodia aromatica BL.) and nyatuh (Pouteria duclitan Bachni). The resistance properties of those four wood species after being metal-screwed against seven wood-destroying fungi were evaluated using modified DIN 52176 standard (Martawijaya, 1975). Results showed that decaying rates (weight losses) of the screwed wood DJARWANTO .; Sihati SUPRAPTI
Jurnal Ilmu dan Teknologi Hasil Hutan Vol. 1 No. 2 (2008): Jurnal Ilmu Teknologi Hasil Hutan
Publisher : Departemen Hasil Hutan, IPB

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

The research was conducted on four wood species with small of diameter, originated from Sukabumi, i.e. huru gading (Litsea odorifera Val.), sampora (Colona javanica Burr.), kisampang (Evodia aromatica BL.) and nyatuh (Pouteria duclitan Bachni). The resistance properties of those four wood species after being metal-screwed against seven wood-destroying fungi were evaluated using modified DIN 52176 standard (Martawijaya, 1975). Results showed that decaying rates (weight losses) of the screwed wood were generaly greater than those of control (unscrewed wood). The highest weight loss was encountered on unscrewed kisampang wood exposed to Pycnoporus sanguineus HHB-324 (49.33%), while the lowest loss was found on unscrewed huru gading wood exposed to Dacryopinax spathularia (0.69%). Three of four wood species tested (i.e. sampora, kisampang and nyatuh) both being screwed and unscrewed were categorized as not resistant (class IV), whereas screwed huru gading wood was moderately resistant (class III) and the unscrewed one was resistant (class II). Based on corrosion, the highest weight loss of screw was obtained on kisampang wood tested by C. globosum (11.33%). However, the lowest screw weight loss was on huru gading tested by Polyporus sp. (1.95%). Among the fungi, the most severe attacks on wood was performed by P. sanguineus HHB-324. Based on ability to corrode wood-associated screw, there were no significant different among five of the seven fungi, whereas Polyporus sp. and P. sanguineus HHB-324 were performed lower ability. Keywords: Resistance properties, wood destroying fungi, metal screw, weight loss

KETAHANAN LIMA JENIS KAYU TERHADAP SERANGAN DELAPAN JENIS JAMUR PELAPUK Sihati Suprapti; Djarwanto Djarwanto; Esti Rini Satiti; Lisna Efiyanti
Jurnal Penelitian Hasil Hutan Vol 39, No 1 (2021): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2021.39.1.27-38

Kayu kurang dikenal yang berasal dari hutan alam saat ini merupakan alternatif bahan baku yang digunakan oleh industri perkayuan nasional. Optimalisasi pemanfaatan kayu kelompok ini memerlukan informasi mengenai ketahanan terhadap serangan jamur pelapuk dari setiap jenis kayu yang digunakan. Dalam penelitian ini dilakukan pengujian ketahanan lima jenis kayu kurang dikenal bagian gubal dan teras, dan pengkaratan logam yang berikatan dengan kayu diuji terhadap jamur menggunakan metode Kolle-flask. Kelarutan kayu dalam NaOH 1% dianalisis mengacu pada standar ASTM D 1110-84. Hasil penelitian menunjukkan bahwa Albizia sp. dan Syzygium sp. diklasifikasikan dalam kelompok kayu-tahan (kelas II), Santiria sp. dan Lithocarpus ewyckii termasuk kayu agak-tahan (kelas III), dan Xanthophyllum excelsum termasuk kayu tidak-tahan (kelas IV). Kehilangan berat terbesar terjadi pada kayu gubal, Xanthophyllum excelsum yang diumpankan kepada Pycnoporus sanguineus. Rata-rata kehilangan berat kayu teras lebih rendah (termasuk kelas II) dibandingkan dengan kehilangan berat kayu gubal (Kelas III). Kehilangan berat tertinggi dari kayu yang berikatan dengan sekrup dijumpai pada kayu Syzygium sp. yang disekrup dan diumpankan kepada Polyporus sp. Rata-rata kehilangan berat kayu yang disekrup lebih tinggi dibandingkan dengan kayu tanpa sekrup, sedangkan kehilangan berat tertinggi dari sekrup yang telah berikatan dengan kayu terjadi pada Xanthophyllum excelsum kemudian Syzygium sp. yang diumpankan pada jamur Polyporus arcularius. Didapatkan bubuk karat terbanyak dalam kayu Syzygium sp. yang diumpankan kepada jamur Polyporus arcularius. Lima jenis jamur memiliki kemampuan sedang dan tiga jenis lainnya berkemampuan rendah dalam melapukkan kayu. Pengaruh jamur dalam pengkaratan sekrup semuanya rendah.

KETAHANAN LIMA JENIS KAYU TERHADAP SERANGAN DELAPAN JENIS JAMUR PELAPUK Sihati Suprapti; Djarwanto Djarwanto; Esti Rini Satiti; Lisna Efiyanti
Jurnal Penelitian Hasil Hutan Vol 39, No 1 (2021): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2021.39.1.27-38

Kayu kurang dikenal yang berasal dari hutan alam saat ini merupakan alternatif bahan baku yang digunakan oleh industri perkayuan nasional. Optimalisasi pemanfaatan kayu kelompok ini memerlukan informasi mengenai ketahanan terhadap serangan jamur pelapuk dari setiap jenis kayu yang digunakan. Dalam penelitian ini dilakukan pengujian ketahanan lima jenis kayu kurang dikenal bagian gubal dan teras, dan pengkaratan logam yang berikatan dengan kayu diuji terhadap jamur menggunakan metode Kolle-flask. Kelarutan kayu dalam NaOH 1% dianalisis mengacu pada standar ASTM D 1110-84. Hasil penelitian menunjukkan bahwa Albizia sp. dan Syzygium sp. diklasifikasikan dalam kelompok kayu-tahan (kelas II), Santiria sp. dan Lithocarpus ewyckii termasuk kayu agak-tahan (kelas III), dan Xanthophyllum excelsum termasuk kayu tidak-tahan (kelas IV). Kehilangan berat terbesar terjadi pada kayu gubal, Xanthophyllum excelsum yang diumpankan kepada Pycnoporus sanguineus. Rata-rata kehilangan berat kayu teras lebih rendah (termasuk kelas II) dibandingkan dengan kehilangan berat kayu gubal (Kelas III). Kehilangan berat tertinggi dari kayu yang berikatan dengan sekrup dijumpai pada kayu Syzygium sp. yang disekrup dan diumpankan kepada Polyporus sp. Rata-rata kehilangan berat kayu yang disekrup lebih tinggi dibandingkan dengan kayu tanpa sekrup, sedangkan kehilangan berat tertinggi dari sekrup yang telah berikatan dengan kayu terjadi pada Xanthophyllum excelsum kemudian Syzygium sp. yang diumpankan pada jamur Polyporus arcularius. Didapatkan bubuk karat terbanyak dalam kayu Syzygium sp. yang diumpankan kepada jamur Polyporus arcularius. Lima jenis jamur memiliki kemampuan sedang dan tiga jenis lainnya berkemampuan rendah dalam melapukkan kayu. Pengaruh jamur dalam pengkaratan sekrup semuanya rendah.

Biodeteriorasi Semilaboratoris Daun dan Ranting Mangium dengan Aktivator Jamur Saprofitik (Semi-Laboratory Scale Biodeterioration of Mangium Leaves and Twigs with Saprophytic Fungal Activators) Djarwanto Djarwanto; Sihati Suprapti
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 15, No 1 (2017): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Logging operation of mangium (Acacia mangium)’s forest generates enormous amount of wastes, such as cut-wood pieces, wood barks, twigs, and leaves. The wastes, mainly twigs and leaves are left unutilized on logging sites. Biodeterioration of these wastes is slow and therefore disturb local nutrient cycle. In the present researches, biodeterioration of mangium’s twigs and leaves were accelerated by the use of eight (8) saprophytic rotting-fungi activators. Biodeterioration was assessed using organic-carbon content, total-nitrogen content, nutrient content, and cation-exchange capacity (CEC). It was found that the C/N ratio after 30 and 90 days fungal inoculation decreased to 23-32 and 16-23, respectively. C/N-ratios of lower than 20 were achieved by the use of Pycnoporus sanguineus (isolate HHBI-317), Marasmius sp, Polyporus sp., and Schizophyllum commune innoculated for 90 days. Inoculation both for 30 and 90 days increased CEC value to >27 me per 100 g. The high CEC value increased their adsorption capacity, storage capacity, and nutrient availability needed for plant growth.Keywords: Acacia mangium, biodeterioration, eight activator fungal species, inoculan, logging wastes, nutrient content.

STUDI PERANAN FUNGI PELAPUK PUTIH DALAM PROSES BIODELIGNIFIKASI KAYU SENGON (Paraserianthes falcataria (L) Nielsen) Study on the Role of White Rot Fungi in Biodelignication of Sengon Wood (Paraserianthes falcataria (L) Nielsen) Rena M. Siagian; Han Roliadi; Sihati Suprapti; Sri Komarayati
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 1, No 1 (2003): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Pulp and paper mills utilizing wood materials in Indonesia mostly employ the sulphate (Kraft) process, due to its superiority. Yet it offers unfortunate weakness, among which is its contribution to the environmental pollution. Hence, it is necessary to develop appropriate technique but environmentally friendly to deal with the environmental concerns, such as biopulping process which incorporates fungi) activities to degrade lignin in wood. This experiment was mainly aimed at procuring particular fungi isolates able to do so effectively and maximally on the lignin in sengon wood (Paraserianthes falcataria (L.) Nielsen), but minimally destroying the holocellulose. The results revealed that the participation of fungi could significantly decrease lignin and extractive in sengon wood. The most substantial decrease in lignin brought about by three particular fungi isolates in decreasing order, i.e. HHB 252 (up to 20.22%), HHB 302 (20.45%) and Schizophyllum commune (21.48%). Meanwhile, the lowest decrease in holocellulose was due to the use of HHB 259 (up to 73.23%), followed by Schizophyllum commune (71.9%), and HHB 252 (71.82%). To sum-up, the best-performance fungi in the biodelignification of sengon wood was HHB 252, followed by HHB 302 and Schizophyllum commune isolates. Those three fungi isolates decreased substantially the lignin content, but concurrently brought about minimum degradation on the holocellulose, as indicated by their respective ratio of lignin to holocellulose contents, i.e. 0.282, 0.289 and 0.299.

PRODUKTIVITAS JAMUR Auricularia spp. PADA KOMPOS SERBUK GERGAJI KAYU Falcataria mollucana Sihati Suprapti; Djarwanto
Jurnal Penelitian Hasil Hutan Vol. 31 No. 4 (2013): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2013.31.4.271-282

Ear mushroom is one of edible wood rotting fungi that has been already consumed by community. Mushroom's media was made of sengon (Falcataria mollucana (1) Nielsen) sawdust with addition of 12 or 16% rice bran, 3.2% lime, 0.4% gypsum, urea or trisodiumphosphate 0.4% and water, then being composted for 1, 3, 5 and 7 days. Media samples were grouped into A and B, where sterilized media A were inoculated with brown ear mushrooms (Auricularia auriculae-judae HHBI-312, HHBI-326) and black ear mushrooms (Auricularia polytricha HHBI-318, HHBI-331), and those of media B were inoculated by black ear mushrooms (Auricularia polytricha HHBI-331). Biological Conversion Efficiency (BE) was calculated based on the ratio of the mushroom yield in fresh condition to the dry weight. Results indicated that the high yield of ear mushroom was obtained on composting media for 3 and 5 days periods. The average yield of Auricularia auriculae-judae HHBI-312, HHBI-326 on media A were 58.88 grams dan 60.51 grams (EB 10.96% and 10.92%), and for Auricularia polytricha HHBI-318, HHBI-331) were 67.5 grams and 101 grams (EB 12.38% dan 18.56%), respectively. Urea addition on the media tend to increase the BE value of A auricula-judae. Houvrer, it found that the yield and BE value of A. polytricha on media consist of urea were higher than that on media consist of trisodiumphosphate. The productivity of A. polytricha HHBI-331 on B-media added with 16% ricebran (102.06 g. BE 18.73%) revealed bigber than that which added with 12% ricebran (79.94 g. BE 17.59%). Therefore, A. auricula-judae HHBI-312 and A. polytricha HHBI-331 selected for further mushroom production.

KEMAMPUAN SEPULUH STRAIN JAMUR MELAPUKKAN EMPAT JENIS KAYU ASAL MANOKWARI Djarwanto; Sihati Suprapti; Freddy Jontara Hutapea
Jurnal Penelitian Hasil Hutan Vol. 36 No. 2 (2018): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2018.36.2.129-138

Capability of decaying-fungi varies according to their strains. This paper studies the decaying capability of ten fungi strains against four wood species from Manokwari. The wood samples have been exposed to the ten fungus strains using Kolle flask method as mentioned in SNI 7207: 2014. Scrutiny results revealed that two of ten fungus strains were categorized as low decaying capability, which comprised of Chaetomium globosum and Lentinus lepideus. Meanwhile, four strains were classified as moderate decaying capability which were Schizophyllum commune, Trametes sp. HHBI-379, Trametes sp. HHBI-332, and Phlebia brevispora. The remaining four fungus strains were regarded as high decaying capability, namely Polyporus arcularius, Polyporus sp., Pycnoporus sanguineus, and Tyromyces palustris. The highest weight loss of wood occurred in the sapwood of Rhus taitensis exposed to Polyporus sp. Meanwhile, the lowest loss was obtained on the heartwood of Haplolobus sp. caused by L. lepideus exposure. Three wood species comprising Tetrameles nudiflora, Rhus taitensis, and Pimeleodendron amboinicum belonged to non-resistant wood (class IV), while Haplolobus sp. was grouped into resistant wood (Class II).

KETAHANAN LIMA JENIS KAYU ASAL CIANJUR TERHADAP JAMUR Sihati Suprapti; Djarwanto
Jurnal Penelitian Hasil Hutan Vol. 31 No. 3 (2013): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2013.31.3.193-199

The resistance property against eleven strain of fungal attack of fire lesser-known wood species namely ki hiur (Castanopsis acurtunatissima ADC), baru pedes (Cinnamomun inets Reinw Ex Blume.), buru boys (Litsca angulata Bl), ki kanteb (Ficus nervosa Heyni), and ki bonem (Horsfieldia glabra Park), were evaluated using Kalle-flask method. Samples of every wood species were divided into two groups, namely onder and inner parts of log. The reults indicated that all of five wond species is categorized at not-resistant against fungal attack (class II. The avight lass of the inner part of 14.99% was lower than that of the outer part of logs (15.76%). Howvrer, both parts are classified as not-resistant wood (class IV) to the fungal attack. The highest weight loss wat occurred on the inner part log of Cinnamomun iners which was expated to Puпороги вапнінен ННBI-324 (56.19%). The fungal capability to decay wwed from the highest to the boavst arr Pycnoporus sanguincus HHBI-324, Tytomyces palustris, Trametes. Schizophyllum commune, Pubporus, Coriolus veracolor. Pustia plasenta. Lentuous lepideus. P. sanguineus HFIBI 8149, Dactyopinax spathularia, and Chactomium globosum.

DAYA TAHAN ENAM JENIS KAYU ASAL PAPUA TERHADAP JAMUR PERUSAK Sihati Suprapti; Djarwanto; Andianto
Jurnal Penelitian Hasil Hutan Vol. 34 No. 2 (2016): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2016.34.2.147-155

The resistance of six wood species against eight strains of destroying fungi was studied. Six wood species of ketapang (Terminalia complanata K. Sch.), pala hutan (Gymnacranthera paniculata Warb.), bipa (Pterygota horsfieldii (R.Br.) Kosterm.), kelumpang (Sterculia shillinglawii), manggis (Pentaphalangium parviflorum) and lancat (Mastixiodendron pachyclados Melch.), wereobserved using Kolle-flask methods. Wood samplesof inner and outer parts of the log were prepared from each species. Results show that M. pachyclados is classified as resistant (class II), P. horsfieldii is moderately resistant (class III), while the other four species are not-resistant (class IV) against destroying fungi. The average weight loss of the inner part is lower than that of the outer part logs, then both groups are classified as not-resistant wood (class IV). The lowest decay resistance is obtained from outer part of G. paniculata exposed to Pycnoporus sanguineus, while the highest decay resistance is taken from outer part of M. pachyclados exposed to Tyromyces palustris. The fungal ability to decay wood from the highest to the lowest are P. sanguineus, Polyporus arcularius, Polyporus sp., T. palustris, Schizophyllum commune, Lentinus lepideus, Phlebia brevispora, Chaetomiumglobosum, respectively.

KETAHANAN LIMA JENIS KAYU TERHADAP SERANGAN DELAPAN JENIS JAMUR PELAPUK Sihati Suprapti; Esti Rini Satiti; Lisna Efiyanti; Djarwanto
Jurnal Penelitian Hasil Hutan Vol. 40 No. 1 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

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

Lesser-known wood originating from rain-forests is an alternative raw material for the national timber industry.Optimizing this wood group’s utilisation requires information on its resistance to the decaying fungus attack of eachwood species used. This research is studying the resistance of five wood species from West Kalimantan, and the rusttest was carried out on the metal embedded in heartwood and exposed to fungus using the Kolle-flask method. NaOH’swood-solubility analysis referred to ASTM D-1110-84’s Standard. Results revealed that Albizia sp. and Syzygiumsp. belonged to resistant woods (class II); Santiria sp. and Lithocarpus ewyckii belonged to moderately-resistant(class III); while Xanthophyllum excelsum belonged to not-resistant (class IV). The greatest weight loss occurredat sapwood of Xanthophyllum excelsum being exposed to Pycnoporus sanguineus. Average weight loss atheartwood (with class II) was lower than that at sapwood (class III). The greatest weight loss of woods embedded byscrews occurred at screwed Syzygium sp. then exposed to Polyporus sp. The average weight loss of screwed woods wasgreater than that of unscrewed woods. Meanwhile, the highest weight loss of screws occurred at Xanthophyllumexcelsum, then at Syzygium sp., exposed to Polyporus arcularius. The greatest weight of screw-rust powder wasachieved at Syzygium sp. exposed to Polyporus arcularius. Five fungi species exhibited moderate capability, whilethree species afforded low capability in decaying woods. The effect of decaying fungi on corroding screws was entirely low.

Title

Found 19 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 19 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 19 Documents
Search