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JURNAL PEMULIAAN TANAMAN HUTAN
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Articles 5 Documents
Search results for , issue " Vol 6, No 3 (2012): Jurnal Pemuliaan Tanaman Hutan" : 5 Documents clear
INISIASI TUNAS AKSILER SERTA KALUS Toona sinensis DAN Toona sureni DENGAN SUMBER BAHAN STEK CABANG Putri, Asri Insiana; Jayusman, nfn
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.2012.6.3.167-180

Abstract

The availability of source material to multifunctional tree Toona sp. have constraints for macro and micro propagation, in this regard, this study aims to:1)observe the formation of buds on T. sinensis and T. sureni stem cuttings in an effort to sustain the availability of explants and 2)analyze the effect of GA4, IBA and BAP growth hormone on regeneration and propagation of the axillary bud initiation and callogenesis through tissue culture. Isolation of stem cuttings was conducted in a greenhouse with number of shoots per nodule and nodule distance as observed.Variables Tissue culture techniques were used to study the effect of exogenous GA4 hormones application on the initiation of axillary buds. The application of IBA hormone on plantlet rooting and callogenesis. The results showed that T. sinensis has 2-7 buds per nodule and nodule distance of 2-5 mm, while T. sureni has one bud per nodule and nodule distance of 5-10 cm. The average length of T. sinensis shoots were 15.8 cm and 17.4 for T. sureni. Enrichment with 1 mg/l GA4 gave the highest axillary shoot length on T. sinensis (8.5 cm ± 0.7228) and (9.8 cm ± 0.1022) for T. sureni. Two mg/l IBA enrichment gave the highest root length of T. sinensis (10.9 cm ± 1.8392) and for T. sureni (7.9 cm ± 0.7633). Three mg/l concentration BAP application gave the best effect in term of callus weight of T. sinensis (1.4 g ± 0.3833). Scoring of callus weight showed moderate response categories to both T. sinensis and T. sureni.
PEMBENTUKAN KALUS REMAH DARI EKSPLAN DAUN RAMIN (Gonystylus bancanus (Miq) Kurz.) Yelnititis, nfn
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.2012.6.3.181-194

Abstract

Ramin (Gonystylus bancanus (Miq.) Kurz) is the most favourite and the most over exploited woody species. This species has been listed in CITES APPENDIX II from 2004. The purpose of this experiment is to obtain the best treatment for friable and embryogenic callus formation that can develop to somatic embryo. Basal Murashige and Skoog (MS) media was used as growth medium. The experiment was conducted in three stages : callus induction and propagation stage, friable callus induction stage and embryogenic callus induction stage. The treatment of 3.0 – 5.0 mg/l 2,4-D was used for callus induction. The best of callus was propagated in 5.0 mg/l 2,4-D + 1.0 – 2.0 mg/l thidiazuron. The best of callus was subcultured for callus friable induction used 6.0 mg/l 2,4-D + 1.0 – 2.0 mg/l thidiazuron + 1.0 – 2.0 mg/l biotin. The best friable callus was subcultured for embryogenic callus induction used 7.0 – 8.0 mg/l 2,4-D + 1.0 – 2.0 mg/l biotin. The observation was made on texture, percentages, performance and color of friable callus. The results showed that callus can be induced on 5.0 mg/l 2,4-D. The treatment of 6.0 mg/l 2,4-D + thidiazuron produced friable callus yellowish on color. 2,4-D + biotin treatment produced very friable callus with yellowish on color and with no embryogenic callus development.
ANALISA PARAMETER GENETIK SIFAT KAYU KOMBINASI UJI PROVENANS DAN UJI KETURUNAN ACACIA MANGIUM DI KALIMANTAN SELATAN Susanto, Mudji; Hardiyanto, Eko Bhakti; Prayitno, T.A.
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.2012.6.3.131-142

Abstract

Combination of provenance progeny trial of Acacia mangium from Claudie River-Queensland- Australia was established in Pelaihari, South Kalimantan. The objective of this research is to find variation on diameter, wood specific gravity and fiber lenght between provenance seedlot and family within provenance seedlot in provenance progeny trial of A. mangium on 22 months old.The results showed that the mean of wood specific gravity and was 0.40 and mean of fiber length was 0.89 mm. Variation of diameter, wood specific gravity, and fiber length were significant difference among provenance seedlot or between family within provenance seedlot in the trial. Individual heritability of diameter, wood specific gravity, and fiber length were medium (hi 2=0.49 for diameter; hi 2=0.33 for specific gravity and hi 2=0.39 for fiber length). The results of investigation from this trial indicate that diameter, wood specific gravity, and fiber length are necessary to be used for tree selection to improve growth wood quality in the combination of provenance progeny trial of A. mangium.
KARAKTERISTIK PERTUMBUHAN SEMAI BINUANG ASAL PROVENAN PASAMAN SUMATERA BARAT Yudhohartono, Tri Pamungkas; Fambayun, Rizki Ary
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
VARIASI GENETIK PADA KOMBINASI UJI PROVENANS DAN UJI KETURUNAN Araucaria cunninghamii DI BONDOWOSO-JAWA TIMUR Setiadi, Dedi; Susanto, Mudji
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.2012.6.3.157-166

Abstract

A progeny test of Araucaria cunninghamii seedling seed orchard was established in 2008 at Bondowoso, East Java. Eighty open-pollinated families collected from six seed sources (Fak-fak, Jayapura, Serui, Wamena,  Manokwari and Queensland) were tested. The trial was designed as Randomized Complete Block Design (RCBD) comprised of 80 seedlots, 4 tree- line plots with 4 replications. The anitial spacing was 4 m x 2 m. The growth analysis at 5 years old was aimed to know performance of 6 seed sources.The result showed significant differences between families within seed source for both height and diameter growth. The average of height growth was 7,0 m and diameter was 5,1 cm. Indivual heritability estimates for height and diameter were 0.32 and 0.48 respectively while family heritability estimates for height and diameter wer 0.49 and 0.72 respectively. Genetic correlation between height and diameter was strong and positive (rg = 0.83).

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