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Ginuk Sumarni

Pusat Penelitian dan Pengembangan Hasil Hutan

Author-ID : 2621613

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Energy Materials Science & Nanotechnology

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PERBANDINGAN PERSENTASE VOLUME TERAS KAYU JATI CEPAT TUMBUH DAN KONVENSIONAL UMUR 7 TAHUN ASAL PENAJAM, KALIMANTAN TIMUR Krisdianto Krisdianto; Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 24, No 5 (2006): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Kayu jati (Tectona grandis L.f.) telah dikenal sebagai bahan baku mebel dan konstruksi dengan kualitas tinggi. Jati cepat tumbuh atau dikenal dengan nama dagang 'Jati super', 'Jati unggul', 'Jati prima' atau 'Jati emas' merupakan tanaman jati yang dikembangkan melalui kultur jaringan dan bertujuan menambah pasokan bahan baku kayu jati. Sedangkan kayu jati konvensional merupakan tanaman yang dikembangkan melalui perkecambahan biji. Informasi mengenai kualitas kayu jati cepat tumbuh belum diketahui. Salah satu parameter kualitas kayu jati dapat dilihat dari persentase kayu terasnya dalam batang. Penelitian ini bertujuan membandingkan persentase teras kayu jati super dan konvensional pada umur dan lokasi yang sama. Hasil pengamatan menunjukkan bahwa pada umur 7 tahun, kayu teras telah terbentuk pada seluruh lempengan kayu jati super maupun konvensional dari bagian ujung, tengah dan pangkal. Persentase kayu teras jati super rata-rata 39,6%, lebih besar dari jati konvensional 20,3%. Berdasarkan persentase kayu terasnya kayu jati konvensional lebih baik dari jati super. Namun, parameter kualitas kayu yang lain juga harus diperhatikan seperti kualitas serat, kandungan bahan kimia dan keawetan alaminya. Berdasarkan SNI 01-5007.1-2003, batang kayu jati super dan konvensional pada umur 7 tahun dapat masuk dalam kriteria kayu bulat kecil (KBK, A.I.).

DAYA HIDUP DAN INTENSITAS SERANGAN RAYAP KAYU KERING CRYPTOTERMES CYNOCEPHALUS LIGHT. PADA KAYU KELAPA (COCOS NUSIFERA L.) Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 5, No 6 (1988): 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.1988.5.6.340-342

This study investigated termite survival and infestation intensity on coconut wood. For this purpose dry wood termite Cryptotermes cynocephalus Light. has been used in the experiment. Fifteen worker termites were placed in the wood coconut samples. The size of each sample is 1,5 cm by 2,5 cm by 5,0 cm. Samples were taken from the periphery and center of base of stem, the periphery and center of middle of stem and the periphery and center of top of stem .The result revealed that the highest dry wood termite survival accured at the central part of the top of stem (37,3%), where as the highest infestation intensity accured at the base of the stem.

BUDIDAYA JAMUR PERUSAK KAYU IV. KULTUR JAMUR PADA SUBSTRAT SERBUK GERGAJI YANG DIPERKAYA Sihati Suprapti; Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 5, No 7 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Oyster mushroom (Pleuroius ostreatus) has been cultivated on five sawdust media of five wood species, i.e. durian (Durio zibethinus Murr.), jeungjing (Albizia falcataria (L.) Fosb.). manii (Maesopsis eminii Engl.), rubber (Hevea brasiliensis Muell. Arg.) and coconut (Cocos nucifera L.). The composition of the media was 100 % saw dust, 80 % sawdust + 20 % rice bran, 99.5 % sawdust + 0.5 % lime, 99 % sawdust + 0.5 % lime + 0.5 % trisuperphosphate (TSP), and 97.5 % sawdust + 0.5 % lime + 0.5 % TSP + 1.5 % gypsum. Each media was mixed with sufficient distilled water. The media was allowed to cool after autoclave sterilization before being inoculated with pure culture of the mushroom. The mature mushroom was harvested daily after the growth of fruiting body.The highest yield was obtained from Rubber wood (129.8 g per 600 g media). The beat composition was obtained from sawdust 80 % mixed with rice bran 20 % (103.17 g per 600 g media).The higher Biological efficiency during the four month observation were obtained from media containing sawdu1t 80 % mixed with rice bran 20 %, i.e. rubber (66.73 %), durian 148.15 %), coconut (28.12 %), and manii (22.38 %).

INTENSITAS DAN TIPE SERANGAN PENGGEREK KAYU DI PERAIRAN PULAU RAMBUT DAN PUNTUNG JAWA Mohammad Muslich; Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 5, No 3 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

One hundred fifty pieces of wood consisting of 15 species were randomly arranged in form of a raft and floated at Rambut and Puntung Java Islands seashore. The size of the wood specimens is 2,5 cm x 5 cm x 30 cm. The samples were tested against two principal family of marine borers, i.e. teredinids and pholads and evaluated after three months. The results reveal that most of the tested woods were severely attacked by teredinids, except Heritiera littoralis, Heritiera javanica, Diospyros celebica, and Eucalyptus platyphylla, but these species were severely attacked by pholads. The infestation has two distinct types, characterited by its structure and pattern of wood boring

ORGANISME PERUSAK KAYU PADA BEBERAPA RUMAH DI TIGA KABUPATEN DI PROPINSI JAWA BARAT Ginuk Sumarni; Agus Ismanto
Jurnal Penelitian Hasil Hutan Vol 6, No 6 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Survey on wood-destroying organisms attacking people's houses was carried out at Padalarang (Bandung district), Cibadak (Sukabumi districtj, and Pacet (Cianjur district). Data collection were done by interviewing and filling-out questionaire forms. Result of the investigation indicated that local timber and bamboo are used largely for house components. Wood destroying organisms found attacking the components are rotting fungi, subterranean termites, dry-wood termites, and powder post-beetles.

RESISTENSI KAYU PLASTIK TERHADAP TIGA JENIS JAMUR PERUSAK KAYU Ginuk Sumarni; Jasni Jasni
Jurnal Penelitian Hasil Hutan Vol 6, No 2 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Wood plastic composite samples made, from rubber wood (Hevea brasilliensis Muell. Arg.) were tested for durability againts Shizophyllum commune Fr, Pycnoporus sanguineus (Fr.) Karst and Dacryopinax spathularia (Schw.) Mart, fungi. The results shows that rubber wood plastic composite is not resistance againts the above three wood destroying fungus.

PERTUMBUHAN JAMUR KUPING (AURICULARIA POLYTRICA) PADA DELAPAN JENIS KAYU Sihati Suprapti; Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 4, No 4 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Ear mushroom (Auricularia polytrica) was cultivated on logs of eight wood species i.e. hamerang (Ficus grossularoides Burn. f.), jeungjing (Albizia falcataria (L.) Fosb.), kihuut (Vernonia arborea Ham.), kipiit (Maesa ramentacea Wall.), manii (Maesopsis eminii Engl.), sehang (Ficus padana Burn. f.), seuseureuhan (Piper aduncum L.) and teureup (Artocarpus elastica Reinw. ). The logs were kept slanted on an angle of ± 60° with bamboo supports in shady site under trees at Gunung Bunder, Bogor.The mature mushroom was harvested every day after the growth of the fruiting body. The logs start producing fungus two months after inoculation. The highest harvested was obtained at fourth month of observation. The higher total yield of ear mushroom during the six months observation was obtained from seuseureuhan log (59.537 kg), sehang (28.08 kg), manii (16.056 kg) and hamerang log (14.838 kg) per m3 of log. The lower total yield was obtained from kipiit log (11.2 kg), kihuut (9.813 kg), jeungjing (4.526 kg) and teureup (2.441 kg) per m3 of log.

PENGARUH KONDISI LINGKUNGAN TERHADAP SERANGAN PENGGEREK KAYU DI LAUT Mohammad Muslich; Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (1988): 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.1988.5.5.294-297

One hundred and twenty five pieces of wood from five species had been exposed to Marine Borers in five different locations. The test sites chosen were around Gulf of Jakarta, i.e. about 3 km off shore in Mauk, Mauk estuary, Tanjung Pasir shore, Rambut Island and Puntung Java Island.The result shows that at the sea site where the salinity is relatively stable around 29‰ - 30‰ and at the Rambut and Puntung Java Islands 30‰ - 34‰, all of the wood tested are badly attacked by Marine Borers. The result also shows that at the Mauk estuary and Tanjung Pasir shore where the salinity 5°/oo - 30°/oo, damage is only small

DAYA HIDUP DAN INTENSITAS SERANGAN BUBUK KAYU KERING HETEROBOSTRYCHUS AEQUALIS WAT PADA KAYU PULAI (ALSTONIA SCHOLARIS R.Br) Ginuk Sumarni; Jasni Jasni
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (1988): 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.1988.5.5.287-289

In Indonesia Heterobostrychus aequalis Wat is a large size powder post beetle. This species very commonly attacks highly stachy wood, the main reason why they are used in this experiment.In this research pulai wood (Alstonia scholaris R.Br) has been used for sample, dried at temperature levels for 40°C, 60oC, 90oC, 100oC, 120oC, 150oC, 200oC and ambien air temperature. On each side of wood samples ten holes were made with dimension of 1,5 cm x 5 cm x 7 cm. Into the hole larvaes of 1,5 month old were placed. The observations were made after six week period.The result showed that wood dried on temperature 40°C could reduce the starch of about 9,08% so that intensity of insect's attack were lower (score 44,2). High starch content was found in the wood dried at temperature 200°C, that is 17,94%. In this sample the intensity of the attack was higher, that scale at scoring.

KERUSAKAN PERUMAHAN PERUMNAS DAN KPR-BTN DI TIPE TANAH ALUVIAL DAN REGOSOL OLER ORGANISME PERUSAK KAYU Ginuk Sumarni; Agus Ismanto
Jurnal Penelitian Hasil Hutan Vol 9, No 7 (1991): 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.1991.9.7.274-278

This paper deals with a descriptive account on the infestation of wood destroying organisms on PERUMNAS and KPR-BTN houses on the alluvial and regosol soil types, Data were collected through interviews and questionaires.Results of the investigation reveal that the untreated red meranti wood group was severely attacked by termites and fungi after 7 years old. Mean while, the treated wood was also attacked by fungi after 14 years old. Untreated kamper wood was attacked by fungi after 5 years old. whereas the untreated. keruing wood was attacked by termites and fungi after 11 years old.

Co-Authors Agus Ismanto Agus lsmanto Barly Barly Han Roliadi Jamal Balfas Jasni Jasni Krisdianto Krisdianto Mohammad Muslich Nurwati Hadjib Pipin Permadi Sihati Suprapti

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