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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 249 Documents
 11   12   13   14   15 
THE GROWTH OF SHOOT CUTTINGS FROM COPPICE SHOOTS OF Eucalyptus pellita F. Muell. SEEDLINGS AR THE NURSERY Hamdan Adma Adinugraha; Sugeng Pudjiono; Dhanang Yudistiro
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 1 (2007): 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.2007.1.1.43-49

Abstract

The aim of the experiment was to investigate to success rate of shoot cuttings on by different media and the height of hedging of Eucalyptus pellita F. Muell seedlings. The experiment was arranged in completely randomized design with two factors. The first factor was media compound, consists of 3 levels: sand, coconut husk and mixture of sand +coconut husk (1:1). The second factor was the height of hedging, consist of 4 levels : 5 cm, 10 cm, 15 cm, and 20 cm above the ground. The result showed that the effect the treatment was  significantly affected the success rate of the shoot cuttings. The cuttings from seedlings, which hedged at 15 cm above ground showed the best result. The media that gave the best rooting success was sand river. The average of rooting percentage was 15 - 95%, shoot length was 0,45 cm - 6,29 cm, shoot dry weight was 0,005 g - 0,049 g and volume of root was 0,020 ml - 0,123 ml.
KERAGAMAN GENETIK ANAKAN Shorea leprosula BERDASARKAN PENANDA MIKROSATELIT Purnamila Sulistyawati; AYPBC Widyatmoko; ILG Nurtjahjaningsih
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 3 (2014): 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.2014.8.3.171-183

Abstract

Genetic diversity value of offspring might indicate a reproductive success in a forest. Aim in this study was to access genetic diversity values of offspring of Shorea leprosula from different forest types. Leaf samples were collected from six population i.e. a plantation from Carita, and five natural forests from Gunung Bunga A and B, SBK, ITCI and Gunung Lumut. Using four microsatellite markers, the results showed that SBK population maintained high value of genetic diversity. Values of expected heterozygosity (HE) ranged between 0.717 (Carita) and 0.836 (SBK). Values of coefficient inbreeding (F) were insignificant deviated from Hardy-Weinberg Equilibrium, but the value was significant in SBK population. PCA analysis demonstrated a cluster among Gunung Bunga A, SBK, ITCI, and Gunung Lumut. Amova showed that different province significantly contributed 1% to the value of genetic diversity of S. leprosula.
PHYSICAL AND MECHANICAL PROPERTIES OF PASIR-PASIR WOOD (Xanthophyllum sp) FROM NORTH SUMATERA Ahmad Dany Sunandar
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 3 (2007): 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.2007.1.3.131-137

Abstract

As a lasser know species, it is important to explore physical and mechanical properties of pasi-pasir (Xanthophyllum sp) wood. This research was conducted to observe physical and mechanical properties of pasir-pasir (Xanthophyllum sp) originated from North Sumatera. Sample were collected from North Tapanuli District, North Sumatera. Tree samples were divided into three sections and sampled for physical and mechanical test were collected from every section. The results revealed that this wood had medium density level. With respect to the radial and tangential shrinkage, the tested wood had a high shrinkage but T/R was still in permitted level. Wood strenght belonged to the strenght clas  V. The overall data of this wood properties suggested that the species is suitable for light constuction purposes and furniture.
VARIASI PERTUMBUHAN DAN PARAMETER GENETIK UJI KETURUNAN JATI UMUR 5 TAHUN DI GUNUNG KIDUL, YOGYAKARTA Hamdan Adma Adinugraha; Sugeng Pudjiono; Mahfudz Mahfudz
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 3 (2013): 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.2013.7.3.167-178

Abstract

This study was conducted to observe growth variation and genetic parameters of progeny test of teak (Tectona grandis Linn. F) in Gunung Kidul at 5 years of age. The progeny test of teak was laid-out in a randomized complete block design consisting of 120 families, 6 blocks, 3 tree-plots. Measurement was conducted annually for traits tree height, dbh, stem straightness, branching type and individual tree volume. The results of study showed that the mean of survival rate reached 84.72%, which was varied from 55.56 to 100%. Among tested families and populations, all measurement traits showed significant differences. The average of growth traits werw 5.86 m for tree height, 5.69 cm for dbh and 0.015 m3 for individual stem volume. In case of form traits, the average were 2.12 for stem straightness and 1.90 for branching type. Estimated family heritability were 0.166 for tree height, for dbh, 0.245 for stem straightness, 0.140 for the branching type and  0.289 for individual  stem volume.
VARIASI GENETIK UJI PROVENAN MERBAU SAMPAI UMUR 3 TAHUN DI BONDOWOSO, JAWA TIMUR Tri Pamungkas Yudohartono; Burhan Ismail
Jurnal Pemuliaan Tanaman Hutan Vol 6, No 1 (2012): 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.2012.6.1.27-36

Abstract

Merbau (Intsia bijuga) is one of high economic value timbers. Establishment of seed source of merbau is essential tosupply qualified seeds for plantation. Center for Forest Biotechnology and Tree Improvement has established provenance test of merbau at Sumberwringin Research Forest in Bondowoso, East Java. The objectives of this study are to know survival and genetic variation of growth traits in provenance test plot of merbau. This provenance test was designed as Randomized Complete Block Design with single factor of provenance consisted of Halmahera Timur, Waigo, Oransbari, Wasior, Nabire and Seram. Each provenance comprises 3 blocks as replication and 60 treeplots of each block. The result showed high survival rate of all provenances (above 90 %). Moreover, genetic variation of height and stem diameter among provenances was also high. The best provenance for survival, and height for all observation years was Wasior. The best provenance for diameter for all observation years was Halmahera Timur. Meanwhile, provenance having the best value of survival, height and diameter for all observation years was Halmahera Timur. The  provenance having the worst value of height and diameter for all observation years was Seram. Whereas, the worst provenance of survival at 1, 2 and 3 years old were Waigo, Halmahera Timur dan Seram, respectively.
ESTIMATION OF GENETIC DIVERSITY WITHIN AND AMONG PULAI (Alstonia scholaris (L.) R. Rr.) PROVENANCE REVEALED BY RAPD MARKER Dwi Hartati; Anto Rimbawanto; Taryono Taryono; Endang Sulistyaningsih; AYPBC Widyatmoko
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 2 (2007): 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.2007.1.2.89-98

Abstract

Pulai (Alstonia seholaris (L.) R. Br.) is species of high economic value and has been intensive utilization. Conservation effort and breeding strategies should be carried out prevent extinetion. The study ofgenetic diversity using RAPD marker can asses polymorphism through bandingpatterns from amplified DNA. The aims of this research are to estimate genetic diversity within and among pulai populations, investigate distribution ofgenetic diversity, and genetic relationship between pulai provenance. Leaf samples were taken from eighteen pulai provenances in Indonesia, namely Lubuk Linggau, Pendopo, Benakat, Banten, Bantul, Gunungkidul, Bali, Purworejo, Perawang, Mataram, Sumbawa, Kupang, Timor Tengah Selatan, Agam, Gowa, Makassar, and Kendari. Genetic diversity was analyzed using 23 primers and produced 114 polymorphic loci. Results showed that the distribution ofgenetic diversity within provenance was higher than that of among provenance. Cluster analysis revealed that the eighteen provenances was into two major groups. The first group consisted of provertance Lubuk Linggau, Banten and Pendopo. The second group of provenance of Benakat, Perawang, Agam, Solok, Bali, Kendari, Bantul, Purworejo, Gunungkidul, Mataram, Sumbawa, Gowa, Makassar, Kupang, and Timor Tengah Selatan. In general, the genefic relationships among eighteen provenances donot show the relation between genetic diversity and geographic distribution of pulai provenance.
KARAKTER HIBRID ACACIA (Acacia mangium x A. auriculiformis) BERDASARKAN VIABILITAS BENIH, KEMAMPUAN BERTUNAS DAN BERAKAR STEK Sri Sunarti; Muhammad Na'iem; Eko Bhakti Hardiyanto; Sapto Indrioko
Jurnal Pemuliaan Tanaman Hutan Vol 6, No 2 (2012): 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.2012.6.2.79-88

Abstract

The first generation of Acacia hybrid between A. mangium and A. auriculiformis potential to be developed for plantation because of its superiority. The superiority of hibrid Acacia were fast growth, straight bole, light branching, more tolerant to pest/disease attack and better wood property than the parent trees. The only way to maintain their superiority is to propagate it vegetatively. The objective of the research was to observed characteristics of hibrid Acacia based on seed viability,sprouting and rooting ability. Materials used in this study were collected seed from control pollination at breeding garden which verified by molecular marker. The result showed that the character of seed viability on hybrid Acacia was still low (48.1%) meanwhile the sprouting and rooting ability were 16.5 ± 0.7 shoots and 78,4% respectively.
Pengaruh asal populasi dan komposisi media terhadap keberhasilan stek pucuk pulai darat (alstonia angustiloba Miq) Mashudi Mashudi
Jurnal Pemuliaan Tanaman Hutan Vol 5, No 3 (2011): 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.2011.5.3.159-168

Abstract

The aims of this experiment was to investigate effect of population sources and media composition toward shoot cutting growth of Alsonia angusiloba Miq. From two sprouts age. This experiment was arranged in completely randomized design with factorial setting. The research used 2 factors. i.e. population  source (Banten,Pendopo,Lubuk Linggau and Solok) and media compositions (sand, cocopeat, husk charcoal. Sand : husk charcoal (4;1) and sand cocopeat (4 :1). The result showed that interaction of population source and media composition did not give any significant effect on parameters measured. Lubuk Linggau population produced the best of rooting percentage (31.19 %) from 3 month sprouts age and Pendopo population produced the best of rooting percentage (65.52 %), number of root (5.50) and length of root (2.79 cm) from 5 month sprouts age. Sand : cocopeat (4:1) media produced the best of number of root (4.14) and length of root (2.41 cm) from 3 mionth sprouts age. Sand media produced the best of rooting percentage (70.42 %), number of sprout (5.27) and length of sprout (2.82 cm) from spouts age. Rooting percentage, number and length of roots tended to increase from 3 month sprouts age to month sprouts age.
KARAKTERISTIK PERTUMBUHAN SEMAI BINUANG ASAL PROVENAN PASAMAN SUMATERA BARAT Tri Pamungkas Yudhohartono; Rizki Ary Fambayun
Jurnal Pemuliaan Tanaman Hutan Vol 6, No 3 (2012): 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.2012.6.3.143-156

Abstract

Binuang is fast growing species which is native in Indonesia. This research is purposed to know the role of genetic variation to characteristic of binuang seedling at the age of 6th and 10th month from several mother trees from Pasaman, West Sumatera provenances in nursery. This research was arranged in Completely Randomized Design (CRD) with 22 pohon indukes and 5 replications. Each replication comprises 9 seedlings. Totally, there are 990 seedlings. The results showed that high genetic variation have effected observed traits of binuang seedlings. It showed by the high genetic variation of height, diameter and sturdiness quotient among binuang mother trees. Seedlings having the high value of diameter and height value of seedlings at all observation ages were from the same mother namely mother tree 17. Seedlings had the lowest average diameter at all observation ages were from the same mother namely mother tree 6. Whereas, seedlings had the lowest average height at 6 and 10 months were from mother tree 9, 7 and 6. Value of sturdiness quotient of seedlings from all mother trees at 6 and 10 months was above or classified high. Mother tree had the lowest sturdiness quotient at all observation ages was mother tree 19. The value of sturdiness quotient decreased along with increasing the age of binuang seedlings
Pengaruh Asal Populasi, Komposisi Media dan Dosis Pupuk NPK terhadap Kemampuan Berkualitas tanaman pangkas Pulai darat (Alstonia angustiloba Miq.) Mashudi Mashudi
Jurnal Pemuliaan Tanaman Hutan Vol 4, No 3 (2010): 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.2010.4.3.145-155

Abstract

The aim of this experiment was to investigate effect of population sources, media composition and NPK fertilizer dosage toward sprouting ability of Alstonia angustiloba Miq. Cutting. This experiment was arranged in completely randomized design with factorial setting. The research used 3 factors, I,e.population sources (banten, Pendopo, Lubuk Linggau and Solok); media compositions (top soil, top soil : Compost : husk charcoal 3 : 2 : 1, top soil : compost : husk charcoal 4 : 2 : 1, Top soil : compost :husk charcoal 5 : 2 : 1 and top soil : compost : husk charcoal 6 : 2 : 1) and NPK fertilizer dosage (0g,5 g. 10 g, 15 g and 20 g). The results showed that media composition variantions did not give significant effect on parameters measured. The best of length and diameter of sprouts, number of nodus and number of leaves were significantly produced by 20 g NPK fertilizer dosage. Pendopo popupation significantly produced the best length sprouts, while Banten population produced the best number of nodus and Lubuk Linggau population produced the best diameter sprouts and the highest number of sprouts. Interaction of NPK fertilizer dosage and population sources gave significant influence on number of sprouts, whit the best interaction was 10 g dosage of NPK fertilizer vs Lubuk Linggau population (1.79).

Page 13 of 25 | Total Record : 249

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