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JURNAL PEMULIAAN TANAMAN HUTAN

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Published by Badan Penelitian dan Penegembangan Kehutanan

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Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

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Articles 249 Documents

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KULTUR JARINGAN CENDANA (Santalum album L.) MENGGUNAKAN EKSPLAN MATA TUNAS Toni Herawan; Mohammad Na'iem; Sapto Indrioko; Ari Indrianto
Jurnal Pemuliaan Tanaman Hutan Vol 9, No 3 (2015): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

The research aim is to observe tissue culture method for Sandalwood using node explants. The explants were cultured on Murashige and Skoog (MS) medium solidified with agar and supplemented with varies combination of hormones: BAP (benzyl-amino-purine), NAA (napthalene-acetic-acid), IAA (indole-acetic-acid) and Kinetin (furfuril-amino-purine) for shoot induction, multiplication and rooting. The results of study showed that the medium of MS+1 mg/l BAP+0.01 mg/ lNAA provided a good response for shoot induction of Sandalwood clones number A.III.4.14 at around 85%. The medium of MS+0.5 mg/l BAP+0.01 mg/l NAA provided a good response for shoot multiplication of the clones number A.III.4.14 (number of shoot and shoot elongation). The rooting medium of ½MS+20 mg/l IAA+1 mg/l IAA and 0.01 mg/l NAA resulted rooting percentage across the clones at around 37%. The highest survival rate after acclimatization was found at clone number WS6 at around 56%.

INDEKS OVERLAP DAN SINKRONISASI PEMBUNGAAN DALAM KEBUN BENIH KAYUPUTIH (Melaleuca cajuputi) DI PALIYAN, GUNUNGKIDUL Noor Khomsah Kartikawati
Jurnal Pemuliaan Tanaman Hutan Vol 9, No 2 (2015): Jurnal pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Flowering synchrony will support the extent of random mating among families and hence the genetic gain in the resultant progeny. In the study, synchrony among families for flowering and peak flowering was estimated through the phenogram as well as the overlapping index. Research was carried out at cajuput (Melaleuca cajuputi sub species cajuputi) seed orchard in two flowering periods (2010 and 2011) at Paliyan, Gunungkidul. The observation results showed that peak flowering occurred in the middle of January and more than 75% families in cajuput seed orchard have the same flowering time. More than 90% families have overlapping index value greater than 0.8 in contrast to 2 families originated from Western and Northern Australia which revealed very low (<0.6) overlapping index. Seeds harvested from the cajuput seed orchard showed high genetic potencial, as 75% trees in Paliyan seed orchard produced seeds simultaneusly.

PERTUMBUHAN DAN PARAMETER GENETIK UJI KETURUNAN SENGON (Falcataria moluccana) DI CIKAMPEK, JAWA BARAT Yayan Hadiyan
Jurnal Pemuliaan Tanaman Hutan Vol 4, No 2 (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.2010.4.2.101-108

Genetically improved seed is one of the important factors in producing a high volume increment of sengon (Falcataria moluccana (Miq.) Barneby & J. W. Grimes) Plantation forest in Indonesia. A progeny test of sengon was established at Cikampek West Java in 2008. The plot was arranged in a randomized complete block design, consisting of 80 families, 4 tree line plot and 6 blocks. At 6 and 12 months of age the progeny test was measured for stem diameter and height growth. Seed source and family had significant effect on both stem diameter and tree height at six months old, but the seed source did not have significant influence on growth at one year old. Heritability estimate for stem diameter was low (h2i = 0.07) while that of height was moderate (h2i = 0.10). Genetic correlation between diameter and height was strong (rg = 0.90), while age-age correlation for diameter (-0.05) and height (0.04) were low.

SELEKSI DAN PEROLEHAN GENETIK PADA UJI KETURUNAN GENERASI KEDUA KAYUPUTIH (Melaleuca cajuputi subsp. cajuputi) DI GUNUNGKIDUL Sumardi Sumardi; Noor Khomsah Kartikawati; Prastyono Prastyono; Anto Rimbawanto
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Breeding for cajuput in Indonesia has moved into advanced generation breeding cycle through establishing second-generation progeny trial. A series of selection would be practiced in the trial before converting into a seedling seed orchard to produce genetically improved seed. In this study, a series of selection, followed by prediction of genetic gain will be observed in the second-generation progeny trial of cajuput established at Gunungkidul. The trial was laid out in randomized complete block design (RCBD), 65 families, three tree-plot, four replications, and spacing of 3 × 1,5 meter. Measurement was conducted on height and diameter at 2 years age. In the trial, within-plot selection has been practiced phenotypicaly by retaining one of the best tree out of the three tree within each plot. Succesive family selection was then simulated from the result of within-plot selection. Results of study showed that estimates of heritabily for diameter were higher than that for height. Genetic and phenotypic correlation between the two traits was moderate at around 0.57. Within-plot selection practiced in the trial resulted positive selection differential for all measured traits. Diameter showed higher coefficient weight of selection (0.4280) than height (0.0406) which indicates that the practiced within-plot selection was more imposed for diameter than that for height. Genetic gain from within-plot selection calculated using selection index were 20.76% for diameter and 12.73% for height. Simulated family selection using the same coefficient weight as within-plot selection resulted lower genetic gain at around 12.26% and 7.52% for diameter and height, respectivelly.

THE USE OF WILDLING OF TISUK (Hybiscus macrophyllus) FOR ENRICHMENT PLANTING OF PRIVATE FOREST AT TASIKMALAYA Aris Sudomo; Encep Rachman
Jurnal Pemuliaan Tanaman Hutan Vol 2, No 1 (2008): 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.2008.2.1.181-188

Research on tisuk (Hibiscus macrophyllus) wildlings was conducted in the private forest area in Pasirbatang Village, Manonjaya Sub-District, Tasikmalaya District. The material of tisuk wildings was grown in nursery area of Ciamis Forestry Research Institute. The research was conducted on September 2007, starting with the private forest observation, which covers the potency of natural seedling spreading and the measurement of 2 years old-tisuk wildling, which came from natural seedling. The diameter growth of 2 years old-tisuk natural seedling that belong to the private forest farmer are 5.6 cm, 4.9 cm and 7.1 cm, while its height are 6.0 cm, 6.3 cm and 7.1 cm. The huge number of tisuk wildling availability under the tisuk stand has high potency to be the material for forest regeneration. Some of its techniques are covering the big tree selection, tisuk natural seedling selection, taking off, packaging, tisuk natural leaf cutting, replacement and seedling maintaining.

Pengaruh Jfaktor lingkungan terhadap intensitas pembungaan Melaleuca alternifolia Liliana Baskorowati
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 1 (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.2013.7.1.15-28

A detiled knowledge of a species flowering phenology is essential for estimating the reproductive success. Time, frequency and intencity of flowering may vary within species due to genetic differences also modified by abiotic and biotic factors. For M. alternifolia, knowledge of flowering phenology is important to develope an efficient breeding strategy. therefore, this study were undertaken to find out the environmental factors influenced the flowering intensity of M. alternifolia. Flowering phenology assessments were undertaken by counting the number of buds, inflorescences and capsules of individual trees at natural population for 6 years. Where as the assesment of all individual trees at seed orchards were carried out by estimating the number of buds, inflorecences capsules using 8 point scales during 4 years. the average of maximum and minimum temperatures and the rainfall datas were collected from meteorogical station close to study sites. This study revealed that M. alternifolia was remarkably consistent in its main flowering period both within an outside of its natural range in new south wales. This suggest that floral initiation was associated with day length pattern between sites in this study. Flowering intensity of M. alternifolia appears to be strongly associated with the total rainfall during the spring flowering season with low temperature as trigger of floral initiation during winter months.

KERAGAMAN GENETIK CENDANA PADA TEGAKAN PENGHASIL BENIH DAN TEGAKAN REHABILITASI DI NUSA TENGGARA TIMUR BERDASARKAN PENANDA ISOZIM Rini Purwiastuti; Sapto Indrioko; Eny Faridah
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 1 (2016): 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.2016.10.1.23-30

This study aimed to determine the genetic diversity of sandalwood on seed production stand and rehabilitation stand in East Nusa Tenggara using isozyme genetic marker. The study was conducted using samples collected from three stands, i.e. Seed Production Area (APB) representing seed production stand, KHDTK rehabilitation stand and CSR rehabilitation stand representing rehabilitation stands. Samples of sandalwood juvenile leaves are taken randomly from each location. Sample materials taken were juvenile leaves collected randomly from each stand. There were 57 samples taken from APB, while each 25 samples were collected from rehabilitation stands of KHDTK and CSR. Isozymes analyses were carried out in the laboratory using three kinds of enzyme systems i.e Esterase (EST), Diaphorase (DIA) and Shikimate Dehydrogenase (SHD). The results showed that for genetic diversity within stands, the mean of polymorphic loci was 88.89%, with a mean number of alleles per locus 2.1667 and a mean of effective alleles 1.2103. The expected heterozygosity within stands (HS) was 0.1558, with the observed heterozygosity (HO) of 0.1402, while the mean index of fixation (FIS) was 0.1118. On genetic diversity among stands, DST, and GST values were 0.0090 and 0.0545 respectively, while total expected heterozygosity of the three stands (HT) was 0.1648. To anticipate sandalwood genetic diversity decline, it is essential to identify and record the remaining sandalwood populations, then conserve rare alleles either through in-situ or ex-situ conservation programs.

Penggunaan Kombinasi Auksin dan Sitokinin untuk Menginduksi Tunas pada Kultur Jaringan Sengon (Falcataria moluccana)menggunakan bagian Kotiledon Toni Herawan; Burhan Ismail
Jurnal Pemuliaan Tanaman Hutan Vol 3, No 1 (2009): 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.2009.3.1.23-32

The purpose of this research is to examine the effect of auxin (NAA) and cytokinin (BAP) on shoot initiation in tissue culture of sengon (Falcataria moluccana)using cotyledon segment. Cotyledon segments were colleect from aseptic seedlings. Cotyledon segments were aseptically cultured on a murashige and Shoog’s (MS) medium containing different concentrations of Benzyl-amino-purine (BAP) ranging from 1 to 3 mg/l and Naphtalene-acetic-acid (NAA) ranging from0,01 to 0,03 mg/l. Result of analysis of variance inicates that plant groeth regulator of BAP and NAA had significant effect on shoot formation up to 4 months age. The subsequent Duncan Multiple Range Test indicates that concentration of 0,001, 0,02 and 0,03 mg/l gave no significant effect on shoot formation and shoot growth

ESTIMASI PARAMETER GENETIK PADA UJI KETURUNAN Alstonia scholaris UMUR DUA TAHUN DI GUNUNGKIDUL, YOGYAKARTA Mashudi Mashudi; Liliana Baskorowati
Jurnal Pemuliaan Tanaman Hutan Vol 9, No 1 (2015): Jurnal pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Estimates of genetic parameter were observed at two years old of Alstonia scholaris progeny trial in Gunungkidul, Yogyakarta. The experimental design of the trial was laid out in Randomized Complete Block Design consisting of 48 families, 5 replications, 4 tree-plot and spacing of 4 x 2 meters. This study is aimed to observe the growth variation (height and stem diameter) and the estimates of heritability and genetic correlation among the two growth traits. The results of study showed that the tested families were significantly different for height and stem diameter. The estimate of individual heritability was high at around 0.53 and 0.44 for height and stem diameter, respectively. While the corresponding of family heritability was at around 0.67 and 0.63 for height and stem diameter, respectively. Positive and strong genetic correlation were found between height and stem diameter of this species at two years of age (rg = 0.94).

EVALUASI UJI KETURUNAN PULAI DARAT (Alstonia angustiloba Miq.) UMUR TIGA TAHUN DI WONOGIRI, JAWA TENGAH Mashudi Mashudi; Mudji Susanto
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 2 (2016): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Evaluation were observed at three years old of Alstonia angustiloba Miq. progeny trial at Wonogiri, Central Java. The experimental design of the trial was laid out in Randomized Complete Block Design consisting of 43 families, 6 replications, 4 tree-plot and spacing of 3 x 3 meters. This study was aimed to observe the adaptability, the growth variation (height, stem diameter and stem volume) and the estimates of heritability, genetic correlation and phenotipic correlation among the three growth traits.The results of study showed that the adaptability was not significantly different between populations and families with survival rate at 80.04 ± 25.34%. Analysis of variance showed that population and families were significantly different for height, stem diameter and stem volume. Pendopo, Carita, and Lubuk Linggau were the best populations in height growth (3.12 – 3.4 m) and stem diameter (4.07 – 4.65 cm). Pendopo population was the best population in stem volume (0.0047 m3). The estimates of individual heritabilities were around 0.32; 0.20, and 0.13 for height, stem diameter and stem volume, respectively. While the family heritabilities were around 0.59; 0.49, and 0.42 for height, stem diameter and stem volume, respectively. Genetic and phenotipic correlation among the three traits were positive and strong at 0.96 and 0.86 for height and diameter, 0.92 and 0.80 for height and stem volume then 0.89 and 0.95 for diameter and stem volume.

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