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JURNAL PEMULIAAN TANAMAN HUTAN
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Core Subject : Agriculture,
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Articles 5 Documents
Search results for , issue " Vol 7, No 2 (2013): Jurnal Pemuliaan Tanaman Hutan" : 5 Documents clear
INDUKSI EMBRIO SOMATIK Shorea pinanga Scheff. PADA KONDISI FISIK MEDIA BERBEDA Yelnititis, Yelnititis
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 2 (2013): 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 (368.677 KB) | DOI: 10.20886/jpth.2013.7.2.73-84

Abstract

Shorea pinanga (Scheff.) is a member of Dipterocarpaceae which has an important role both as a forest timber and also non forest timber product (tengkawang). The purpose of this experiment is to obtain the best treatment for somatic embryos formation. Friable callus was used as explants whereas liquid and solid MS media supplemented with vitamin B, 30 g/l sucrose were used as basal medium. Embryogenic callus was induced through three times subcultured in basal medium with 5.0 mg/l 2,4- D. Somatic embryo was induced using 100 mg of embryogenic callus with the addition of 0.5, 1.0, and 1.5 mg/l kinetin. The observation was done on texture, numbers and color of embryogenic callus and weekly number of somatic embryos for eight weeks. The kinetin treatment of 1.5 mg/l on liquid medium was the best treatment because it is able to induce 162 cotyledonary stage of somatic embryos for eight weeks.
KARAKTERISTIK PERTUMBUHAN JABON DARI PROVENAN SUMBAWA PADA TINGKAT SEMAI DAN SETELAH PENANAMAN Yudohartono, Tri Pamungkas
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 2 (2013): 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 (306.814 KB) | DOI: 10.20886/jpth.2013.7.2.85-96

Abstract

Growth is one of important and economic traits of jabon. Growth is not only determined by environment but also genetic factor. Seedling quality and suitable site would create well growing plants. This research is purposed to know growth characteristic of jabon from Sumbawa  provenances in nursery and after plantation as well as the effect of genetic factor on growth characteristic of jabon. Research design used in nursery is Completely Randomized Design with 24 mother trees and 3  replications. Each replication comprises 10 seedlings. Totally, there are 720 seedlings. Experimental design used in progeny test plot of jabon is Randomized Complete Block Design. Breeding strategy used in this plot was subline system with single treeplot. Number of families used are 28 families. Each family comprises 20 blocks that were also functioned as replication. The results showed that there were significant differences in terms of height and diameter among the tested families at all observation ages. Family heritability estimates for height were high at at all observation ages. Family heritability estimates for diameter were high at nursery and moderate after plantation.
PARAMETER GENETIK PADA UJI KLON JATI (Tectona grandis L. F) UMUR 5,5 TAHUN DI SUMATERA SELATAN Muslimin, Imam; Sofyan, Agus; Islam, Syaiful
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 2 (2013): 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 (293.459 KB) | DOI: 10.20886/jpth.2013.7.2.97-106

Abstract

The objectives of study were to ascertain the level of genetic variation, and to estimate heritability and expected genetic gains in tree height, diameter and volume of teak clonal test. Thirty five clones were tested at KHDTK Kemampo, South Sumatra. At 5.5 years of age there were genetic variations among clones in tree height and diameter, but the variation was relatively low. The mean height and diameter were 11.53+2.15 m and 12.85+2.73 cm respectively. The contribution of the genetic component to total variation was relatively low, namely 5.39 %, 4.20 % and 6,96% for height, diameter and volume respectively. Individual broad sense heritabilities were 0.06, 0.05 and 0.07 for height, diameter and volume respectively, while broad sense heritabilities on clone mean level were 0.33, 0.26, and 0.29 respectively for tree height, diameter and volume. By selecting the best ten clones, the expected genetic gains for height, diameter and volume were 3.12%, 2.80 % and 10.65%, respectively. Genetic correlation between height and diameter was 1.01.
KARAKTERISASI DAN APLIKASI PENANDA MIKROSATELIT PADA BEBERAPA Species Eucalyptus Nurtjahtjaningsih, ILG; Widyatmoko, AYPBC; Rimbawanto, Anto
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 2 (2013): 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 (386.583 KB) | DOI: 10.20886/jpth.2013.7.2.107-118

Abstract

Genetically pure species that used as genetic materials represent crucial factors for succeed of a tree improvement strategy. Using microsatellite markers, private allele and genetic variation could genetically distinguish a species. Aims in this study were to  characterize microsatellite markers on Eucalyptus deglupta, E. urophylla and E. pellita, and to assess private allele and genetic variation on the tree Eucalyptus. Results showed that 8, 10 and 12 out of 13 the screened microsatellite markers were amplified and polymorphic on E. deglupta, E. urophylla and E. pellita respectively. Private alleles characterized each  Eucalyptus. Number of detected allele ranged between 29 (E. deglupta) and 91 (E. pellita). Value of expected heterozygosity was lowest on E. deglupta (HE=0.308) and highest on E. pellita (HE=0.604). Coefficient inbreeding value was insignificant deviate from HWE on E. deglupta and E. urophylla, but it was significant on E. pellita. Taxonomy relationship and geographic position in natural distribution each Eucalyptus was discussed. For further study, population genetic and mating system will be important information on the Eucalyptus.
KEMAMPUAN BERTUNAS STOOL PLANTS MERANTI TEMBAGA (Shorea leprosula Miq.) DARI BEBERAPA POPULASI DI KALIMANTAN Mashudi, Mashudi; Susanto, Mudji
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 2 (2013): 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 (782.447 KB) | DOI: 10.20886/jpth.2013.7.2.119-132

Abstract

Vegetative propagation has an important role to produce high quality of seedling. Through vegetative propagation, the genetic potential of a mother tree will totally be inherited to the off-springs. Therefore, the success of stool plants preparation from selected mother tree is very important. The aim of study was to investigate the effect of populations and height of topping to sprouting ability of Meranti tembaga (Shorea leprosula Miq.) stool plants. This study was arranged in completely randomized block design with factorial. The two treatments used in the study were three populations (Muara Wahau, East Kalimantan; Kenangan, East Kalimantan and Ketapang, West Kalimantan) and four height of toppings (20 cm, 40 cm, 60 cm and 80 cm). The results of study showed that population were significantly different for the number of sprouts, length of sprouts, diameter of sprouts and number of nodus. While the height of topping were significantly different only for the number of sprouts. The best number of sprouts (6.82 buds), length of sprouts (18.41 cm), diameter of sprouts (2.14 mm) and number of nodus (7.10 nodus) was found at Muara Wahau population. While among the height of toppings, the best number of sprouts was found at 80 cm height (8,06 buds), followed by 60 cm (6,00 buds), 40 cm (5,08 buds) and 20 cm (3,86 buds). There were no significant differences on the interaction between population and height of topping for all measured characters.

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