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INDONESIA
JURNAL PEMULIAAN TANAMAN HUTAN
Published by Badan Penelitian dan Penegembangan Kehutanan
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan" : 7 Documents clear
EVALUASI UJI KLON JATI (Tectona grandis L.f.) UMUR 20 TAHUN DI KPH CEPU PERUM PERHUTANI Deanova Frestiana Br Pelawi; Sapto Indrioko; Fanny Hidayati; Aris Wibowo
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2020.14.1.33-41

Abstract

Evaluation of the teak clone test aims to determine the growth and genetic parameters of the clones at the age of 20 years. Teak clone test was established in 1999 with a Randomized Complete Block Design (RCBD). The number of clones used was 65 clones, five replications (blocks), four treeplots, with a spacing of 3m x 3m. Measurements were carried out on the growth characteristics (i.e., plant height and diameter at breast height / DBH) and wood quality (i.e., Pilodyn penetration stress-wave velocity / SWV). The results of the analysis of variance showed that there were very significant differences in all observed growth characteristics. Heritability for plant height, stem diameter, Pilodyn penetration, and SWV were 0.38, 0.51, 0.59, 0.29, and 0.53, respectively. The expected genetic gains for volume and SWV were 21.81% and 2.11%, respectively, by selecting the best seven clones. The correlation between growth characteristics and between wood quality with growth characteristic is positive, indicating that improvement in productivity is followed by wood quality. The best clones based on clone values of stem diameter and SWV characteristics are clones number 110, 24, 97, 108, 20, 35, and 31, respectively.
PENGARUH ASAL BENIH TIMOHO (Kleinhovia hospita L) TERHADAP PERTUMBUHAN BIBIT DI TINGKAT PERSEMAIAN Rafelinta Daradwinta; Ragil Pinasti; Lukman Hakim
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (122.057 KB) | DOI: 10.20886/jpth.2020.14.1.63-72

Abstract

Timoho (Kleinhovia hospita) wood is one of the raw materials for keris sheath that having high aesthetic and economic values. Due to exploitation of keris raw material that outmatches its planting activities, this type of tree is already hard to find in the Special Region of Yogyakarta, so this research aims to determine the generative propagation techniques carried out in the nursery of Center for Forest Biotechnology and Tree Improvement. Genetic material in the form of seeds in this study came from the parent trees grown in Bulaksumur region and Purwobinangun region, Yogyakarta. The methods that will be used are sampling, seed extraction, seed scarification in hot water for 24 hours, germination using wet tissue as media in petri dish, and planted in polybags. The result showed that viability of seeds from Bulaksumur region was 80% while that from Purwobinangun region was 68%. Observation and measurement of stem length and number of leaves every 2 weeks for 42 days showed that the number of timoho seed leaves from Purwobinangun had a higher number of leaves and a longer stem length, which is 19,11 ± 2,66 leaf blade and 11,54 ± 2,77 cm than the number of leaves and stem length from Bulaksumur, which is 0,59 ± 1,07 leaf blade and 7,59 ± 1,17 cm. Based on this research, it was concluded that although the viability of seeds from Bulaksumur was higher, the possibility of inbreeding from it broodstock caused the growth of seeds from Bulaksumur not as good as the growth of seeds from Purwobinangun
KARAKTERISASI MORFOLOGI, PERBANYAKAN VEGETATIF DAN POTENSI BAMBU (GIGANTOCHLOA DAN SCHIZOSTACHYUM) SEBAGAI TANAMAN UNTUK KONSERVASI TANAH DAN AIR Trimanto Trimanto; Desya Wahyu Annisa; Dzaskyah Hanasari
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2020.14.1.43-53

Abstract

The potential of bamboo as a plant for soil and water conservation can be identified by the morphological character. The quality of bamboo can be shown from the morphological character. Bamboo is a plant that is difficult to propagate generatively, while there is a paucity information on the vegetative propagation of bamboo species especially genus of Gigantochloa and Schizostachyum. The aims of this research is to characterize morphology of bamboo, studies of bamboo propagation with vegetative method and measure the potential of bamboo as a plant for soil and water conservation. 4 species of bamboo namely Gigantochloa atroviolaceae Widjaja, G. robusta Kurz., G. luteostriata Widjaja and Schizostachyum zollingeri Steud.are used in this study. The result of morphology characterization show that four species of bamboo have unique morphological characteristics from reed midribs, reed height, diameter, leaves and roots. The results of vegetative propagation of bamboo using different growing media show that the compost + soil (1: 1) is the best for bamboo growth. Soil media can also be used as an alternative media for vegetative propagation. Sand mediagives the lowest growth. G. atroviolaceae and G. robusta are species of bamboo that suitable for soil and water conservation. Both species of bamboo are characterized by strong reed, dense growth and canopy, good quality of litter, and a strong root system that supports to soil and water conservation.
INVENTARISASI SERANGGA DAN TINGKAT KERUSAKAN YANG DITIMBULKAN PADA TEGAKAN JATI (Tectona grandis LINN.F) DI AREAL HUTAN TANAMAN RAKYAT (HTR) NEGERI HILA KABUPATEN MALUKU TENGAH Cornelia M A Wattimena; Fransina Sarah Latumahina; Noor Khomsah Kartikawati
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2020.14.1.1-8

Abstract

The study aims to determine the types of insects that attack teak plants, diagnose the symptoms of attack and estimate the magnitude and intensity of attacks caused by teak pest attacks. The results found two types of pests that attack teak stands namely Woodhoppers (Valanga nigricornis) and Caterpillars (Hyblaea puera) with moderate damage intensity. Wooden Grasshopper (Valanga nigricornis) measuring 45 - 55 mm (male) and 1575 mm (female), has a head, chest, thorax and abdomen, yellowish brown with a dark blue hue on the wings. The rear wing is visible when flying and is red. Teak caterpillars (Hyblaea puera) are found to be brown with a pair of small yellow stripes on each side, and between two lines are dark brown with a length of 3.5 cm, while the cocoon is dark brownish black, with an average length of 1.4-1, 9 cm, and an average weight of 0.7-1.3 mg. Valanga nigricornis attack area of 29.58% belong to the category of moderate attack and Hyblaea puera of 23.41% belonging to the category of mild attack
PENYAKIT AKAR GANODERMA PADA SENGON DI SLEMAN, YOGYAKARTA Tri Maryono
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (14.237 KB) | DOI: 10.20886/jpth.2020.14.1.55-61

Abstract

Ganoderma root disease in the community forest of sengon is one of the limiting factor to increase the productivity of sengon wood. This disease has been reported in West Java, East Java, South Sumatra and South Kalimantan. The survey was conducted to determine the existence of Ganoderma root disease in three sengon fields in Sleman, Yogyakarta. The existence of Ganoderma root disease was recognized based on the symptoms of diseased plants and the present of Ganoderma basidiocarp on the diseased sengon stem. The survey results on three sengon fields was succeed in finding diseased plants and also the basidiocarp of Ganoderma on the basal of the diseased plant stem. Symptoms that have been found was either dead or dying trees (few leaves left). The basidiocarp of Ganoderma on the diseased plants varies in characteristic while its young and mature. The basidiospores is ellipsoid, truncate, rough (coarsely echinulated), and double-walled. The Ganoderma colony was white and turned to yellow orange from the center. Based on this study the Ganoderma root disease in sengon plants has developed in Sleman, Yogyakarta. The presence of dead or dying trees with few leaves left between healthy sengon trees and the presence of Ganoderma basidiocarp in diseased trees are indicator of the presence of root disease in the sengon field caused by Ganoderma.
ISOLASI, IDENTIFIKASI DAN KARAKTERISASI PENYEBAB PENYAKIT KARAT DAUN PADA SEMAI PINUS DI PERUM PERHUTANI BKPH PURWOREJO, KPH KEDU SELATAN Nur Hidayati; Siti Husna Nurrohmah; Fithry Ardhany
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2020.14.1.21-32

Abstract

Pinus merkusii, a multiuse tree, is cultivated at Indonesian Plantation. Pinus plantation have been threatened by rust/spot leaf disease. The pathogen has infected pinus seedlings at Perum Perhutani, BKPH Purworejo, KPH Kedu Selatan and cause high mortality. The aims of this research to identify pathogen causing rust/spot leaf thus information how to control can be observed. Pathogens were isolated from infected leaves, and grown on the potato dextrose agar (PDA) and observed macroscopis and microscopis and identified. The pathogens also were inoculated to healthy seedlings (Postulat Koch Test). The result shows that pathogen causing rust/spot leaf on seedlings pine is Pestalotia sp with characteristic white colony, hypha has aservuli with conidia that have 25 septums and at the edge, some structure looks like feather whipped 3-5. Potulat Koch test indicated that inoculated healthy seedling shows similar symptom with infected seedlings. Rust/spot leaf has similar sympto and sign. Spot or rust appear on leaves started from edge and spread to base. At first, spots were formed in small size and separate each other but they developed and became larger and wider and fused.
SIFAT KAYU JATI UNGGUL NUSANTARA (Tectona grandis L.f.) PADA TIGA KELAS DIAMETER POHON Gudiwidayanto Sapto Putro; Sri Nugroho Marsoem; Joko Sulistyo; Suryo Hadiwinoto
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2020.14.1.9-19

Abstract

Increasing the growth rate of teak trees is carried out to shorten the tree harvest rotation and reduce the deficit of teak timber supply, while maintaining the superiority of wood properties. The study was conducted to study the nature of five-year-old JUN Teak wood in three classes of tree diameter and radial position of the trunk. This study employed a completely randomized design arranged in factorial combinations of the treatments of radial positions and diameter classes consisting of large (18-22 cm), medium (14-18 cm) and small (10-14 cm) stem diameters, and the radial position of wood on the trunk based on the tree's ring. Three samples of trees were felled for each stem diameter class so that totally nine trees were used in this study. The testing of the physical properties of wood and the measurement of fiber dimensions were conducted using British Standards 373 and the IAWA method, respectively. The results showed that the diameter of the tree and the radial position of the wood had a significant effect on all parameters observed (fiber dimension and physical properties of wood), except the fiber diameter. The tree growth rate had a negative correlation with fiber length (-0.67), fiber wall thickness (-0.65), air-dry moisture content (-0.91) and air dry specific gravity (-0.86), and had a positive correlation with fiber diameter (0.61) and green water content (0.78). According to the pattern of wood properties in the radial direction, JUN wood harvested at the age of five was categorized as juvenile wood. This wood is acceptable as furniture and lightweight construction material.

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