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JURNAL PEMULIAAN TANAMAN HUTAN
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Articles 5 Documents
Search results for , issue " Vol 8, No 2 (2014): Jurnal Pemuliaan Tanaman Hutan" : 5 Documents clear
KARAKTER MORFOLOGI HIBRID ACACIA (A. mangium x A. auriculiformis) DI PERSEMAIAN Sunarti, Sri
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 2 (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.2014.8.2.70-80

Abstract

The superiority of Acacia hybrid (A. mangium x A. auriculiformis) compared to the parent    trees as fast growth, straight bole, ligth branching, more tolerance to pest and desease and had better wood properties. In order to maintain the superiority, it should be propagated vegetatively. However, the propagation potential of Acacia spp usually decreased by increasing the age of plant (aging effect). To prevent the aging effect on Acacia hybrid, vegetative propagation of selected trees should be done before becoming too old. This study was aimed to observe morphological seedling characteristics of Acacia hybrid. The result showed that morphological seedling characteristics of Acacia hybrid were intermediate between the parents species. The development of leaves pattern was well-marked by absence of 4-pinnates leaves or number of pinnates leaves was between 4-6. In addition, the pubescence was present on the margin of pinnates and the number of main vein on phyllode were mostly 3.
KARAKTERISASI KERAGAMAN GENETIK POPULASI JABON PUTIH MENGGUNAKAN PENANDA RANDOM AMPLIFIED POLYMORPHISM DNA Nurtjahtjaningsih, ILG; Qiptiyah, Maryatul; Yudohartono, Tri Pamungkas; Widyatmoko, AYPBC; Rimbawanto, Anto
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 2 (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.2014.8.2.81-92

Abstract

Anthocepalus cadamba (white jabon) has high economical value for furniture. White jabon forests severely degraded due to intensive exploitation and land conversion. Genetic diversity is one of important consideration to design conservation and improvement strategies. Aim of this study was to access the genetic diversity values within and among population of white jabon. Leaf samples of white jabon were collected from conservation plots originated from West Lombok, Sumbawa, South Sumatera and West Sumatera. Red jabon was included as an outgroup population. Based on 37 polymorphic RAPD loci, the results showed comparable value of genetic diversity between white jabon and red jabon. Number of detected and rare alleles was highest founded in Sumbawa population among the other three populations of white jabon. As consequence, value of expected heterozygosity in the population was highest (HE=0.315). Private allele was only detected in South Sumatera population. Principal coordinate analysis (PCA) showed that integrating between genetic and geographical distance was inconsistent; similar gene resources or human impact might be responsible for this result. The populations that have high value of genetic diversity and private allele are recommended to be selected for the conservation strategies, i.e. Sumbawa and South Sumatera.
PENGARUH ABU VULKANIK PADA PERTUMBUHAN, LUAS SERANGAN DAN INTENSITAS SERANGAN KARAT TUMOR PADA SEMAI SENGON Nurrohmah, Siti Husna; Wahyudi, Agus; Baskorowati, Liliana
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 2 (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.2014.8.2.93-107

Abstract

The study aimed to examine the effect of volcanic ash on growth, disease incidence and severity of gall rust on sengon seedlings. Treaments were used compound af volcanic ash and planting medium with the comparison of 0:4 (M1), 1:3 (M2), 1:1 (M3), 3:1 (M4) and 4:0 (M5). Growth parameters including height, number of leaves, and the level of chlorophyll were measured. Artificial inoculation using fresh spore of Uromycladium tepperianum were applied 3 times: at the first, fourth and seven days after the second leaves of seedlings emerged, then the gall rust disease symptom were scored weekly for a month. The results showed that seedlings exhibited treatment M1 and M2 more optimal growth than the others. However, sengon with higher concentration volcanic ash performed the slowest growth compared to other treatments. Disease incidence and severity were ranged of 0-80% and 0-24%. Seedling sengon with treatment M2, M3 and M5 emerged the symptoms of gall rust however, seedlings with treatments of M1 and M4 did not show the symptomps.
PERBANYAKAN TUNAS Gyrinops versteegii (Gilg.) Domke Yelnititis, Yelnititis
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 2 (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.2014.8.2.108-120

Abstract

Gyrinops versteegii (Gilg.) Domke) is a member of Thymellaceae having an important role as agarwood source that is potential to develop. Agarwood is a non timber forest product (NTFP) with a high economic value. Gyrinops versteegii (Gilg) Domke was an endemic and rare plants, however, it is cultivated on the island of  Lombok. The study of shoot multiplication from single node stem and cotyledon node explants to shoot  produced was conducted to find out the best method to shoot multiplication. Modification of Murashige and Skoog (MS), Gamborg (B5) dan Woody Plant Medium (WPM) supplemented with 8.0 g/l agar, 30 g/l sucrose and vitamin (0.1 mg/l Thyamine, 0.5 mg/l Nicotinic acid, 0.5 mg/l Pyridoxine dan 2 mg/l Glysin) and 10 g/l myoinositol were used as growth medium treatments. The experiment was conducted on two stages i.e. germination and shoot multiplication. Shoot induction was conducted on modification of MS medium supplemented with Benzyl Adenin (BA) 0.5; 1.0 and1.5 mg/l. The multiplication of shoot conducted on  modification of MS medium, WPM and B5 medium supplemented with 0.5; 0.75 dan 1.0 mg/l Benzyl Adenin (BA). For every treatment there were ten samples (bottles) with one explants in each bottle. The observation was conducted on shoot induction percentage, number of shoot and visual performance of culture. The result showed that modified MS + BA 0.5 mg/l was the best for shoot induction from single node stem explants with the average of 1.6 shoots on 12 weeks. The treatment of modified MS + BA 0.75 mg/l was the best for shoot multiplication from single node stem explants with the average of 5.7 shoots on 12 weeks. The treatment of modified WPM + 0.5 mg/l BA was the best for shoot multiplication from cotyledonery node explants with the average of 4.6 shoots on 12 weeks. The visual performance of shoot resulted was normal.
PERTUMBUHAN SENGON SOLOMON DAN RESPONNYA TERHADAP PENYAKIT KARAT TUMOR DI BONDOWOSO, JAWA TIMUR Setiadi, Dedi; Baskorowati, Liliana; Susanto, Mudji
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 2 (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.2014.8.2.121-136

Abstract

A provenance stands of sengon Solomon (Falcataria moluccana (Miq.) Barneby & JW Grimes was establishhed in Bondowoso, East Java in 2011. One provenance seed consisting of 25 families originated from Solomon Island were used in this trial. Provenance stands was designed by rows column design (incomplete block) involving 8 blocks, 4 trees per plot (plot tree) with a spacing of 3 m x 2 m. Several characters were observed i.e: survival rate, height, diameter and the presence of gall rust diseases; the observations were undertaken every 6 months from 6 months old up to the age of 18 months. The results showed that the mean of survival rates ranging from 75% to 90%; with the average survival rate of 84.83% (6 months), 83.26% (12 months) and 81.05% (18 months). The mean height and diameter of 6 months old (2.42 m, 2.97 cm), 12 months old (4.74 m, 5.56 cm), and 18 months old (7.35 m, 7.39 cm). Varian analysis of height, diameter, disease severity and intensity showed that there were no significant differences between families. All of families attacked by gall rust disease, however family number 2, 8 and 23 showed the lowest respond of attack compared to other families. Therefore, those families can be recommended for future development in terms of toleration to the gall rust disease.

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