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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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SORDARIOMYCETES, KELOMPOK JAMUR YANG PALING BANYAK TERISOLASI DARI DAUN JARUM Pinus radiata DI AUSTRALIA Istiana Prihatini
Jurnal Pemuliaan Tanaman Hutan Vol 9, No 2 (2015): Jurnal pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Endophytes fungi have been extensively studied in conifer needles involving culture dependent methods, however little number have been conducted in Pinus radiata and no record have been reported from Tasmania. This study aimed to identify the major group of endophyte fungi isolated from P. radiata needles with varied conditions collected from Tasmania, Victoria and New South Wales plantation and confirmed by phylogenetic analysis of ITS gene. Sixteen endophyte fungi species as member of Sordariomycetes were isolated and Coniochaeta sp. 1 was the most frequently isolated species in this study.

TOLERANSI MASAM Vitex pubescens VAHL. IN -VITRO DAN EX-VITRO Asri Insiana Putri
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.2010.4.2.79-89

This study aims to observe acid tolerance of Vitex pubescens culture growth. Planlet cultures were established from seeds on Murashige & Skoog medium supplemented with 1 µM benzylaminopurin; 0,1 µM kinetin and 0,01 µM naphtalenaceticacid. The pH was adjusted to 5,7;4,0 and 3,0. The mean height of planet were 4,44 cm ± 0,32 for pH 5,7; 2,88 cm ± 0,54 for pH 4 and 1,10 cm ± 1,38 for pH 3. The mean length of root were 13,72 cm ± 0,47 for pH 5,7; 18,88 cm ± 0,60 for pH and 19,27 cm ± 0,73 pH 3. The mean number of branch roots per cm were 1,65 ± 0,058 for pH 5,7;3,88 ± 0,18 for pH 4 and 0,57 ± 0,30 for pH. After 12 weeks acclimatization in Yellow Red Podzolic (YRP) soil, the mean height of plant with pH 5,7 culture were 29,86 cm ± 0,64 and 26,72 cm ± 0,40 for pH culture. In vitro acid tolerance of Vitex pubescens were at pH 4 and can grow in ex vitro condition in YRP soil with pH 4,48.

INTERAKSI FAMILI × LOKASI PADA UJI KETURUNAN GENERASI KEDUA Eucalyptus pellita Fasis Mangkuwibowo; Sapto Indrioko; Arif Nirsatmanto
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

The interaction assessment of genotype and environment is necessary to find out an effective selection strategy in progeny trial, particularly in advanced generations. This study aims to observe the effect of family × site interaction in second generation progeny trial of Eucalyptus pellita planted at two locations: Wonogiri, Central Java and Pelaihari, South Kalimantan. The trials design were completely randomized block design (CRBD) with 49 families, 6-10 blocks, 5 tree-plot and 4 m × 1.5 m spacing. Data measurements included height, diameter at breast height, and stem volume at two and four years age. The study results showed that the families had significant differences (p<0.01) for all measured traits at two and four years age, but the family and site interaction was not statistically significant. Family heritability across the two sites were moderate to high for all traits with the type B genetic correlation ranged from 0.67 to 0.94. Heritability and genetic correlation tended to be higher as tree getting older. Less than 16% of families showed an interactive rank changes in the two locations based on multiple-traits selection index. In general, family selection by combining data from the two sites of progeny trial provided higher genetic gain than those by indirect selection, but it was varied to those direct selection on each site. Therefore, these results imply that, the strategy for family selection by combining data from the two sites of progeny trials should be practiced in appropriate combination and direction by considering the magnitude of genetic variation.

MORPHOLOGY OF MULBERRY HYBRIDS IN PURWOBINANGUN YOGYAKARTA Sugeng Pudjiono; Sendy Septina
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.2008.2.1.163-171

There are many genetic which effect this fenotipic character, such as hybrid. In increasing of mulberry hybrids, it is needed to identify the characteristic of those hybrids. The purpose of this research is to identify morphological characteristics among mulberry hybrids. Observation was done to nine hybrids and five female, four male of mulberry. There are some similarities of morphological characterictics i.e. : performance shcrub, pennivervis leaf, texture of leaf bottom smooth, phyllotaxis 2/5, leaf type singular, stem type woody, stem size cylinder, growth erectus, branch type monopodial, growth of branch patens, root type radix primaria, shoot position axillaris and it has stypulla. Differences of the characteristic on mulberry can be seen at leaf type shape, leaf bottom shape, leaf side, texture of leaf surface, leaf color, leaf index length/width, average of petiole length, lentisel density on surface stem, stem color, stem diameter, and average of internodal distance.

KETAHANAN SERANGAN PENYAKIT KARAT TUMOR PADA UJI KETURUNAAN SENGON (Falcataria moluccana) DI BONDOWOSO, JAWA TIMUR Dedi Setiadi; Mudji Susanto; Liliana Baskorowati
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 1 (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.2014.8.1.1-13

As a part of tree improvement project of sengon (Falcataria moluccana L. Nielsen) several progeny test were established in December 2011. One of those progeny test was established in Bondowoso, East Java. Row Column Desgin (Incomplete Block Design) was used as experimental design involving 70 families (9 Papua provenance and 1 provenance Solomon), 4 replications (blocks), 4 trees per plot and a spacing of 3 x 2 m. Observations were made at the age of 6 and 12 months, including recorded the percent of survival plants, height, diameter and the gall rust incidence. Results showed that in general, the early growth of individual plant in this plot demonstrated a fairly good performance with the survival rate of 98.5% (6 months old), and 96.9% (1 year old). The early growth of sengon varied significantly between provenances. The best growth demonstrated by provenances from Meagama, Holima and Hobikosi. Early estimation of individual heritability of plant height categorised in low (h2i = 0.07 to 0.11, h2 = 0.16 to 0,21) , whereas individual heritability of diameter were catagorised in medium (h2i = 0.08 to 0.11, h2f = 0.15 to 0,43). Moreover, the positive value of the genetic correlation revealed between height and diameter (0.88 and 0.85). Several individual trees originated from Holima, Meagama and Elagaima exhibited 0% of gall rust disease incidence.

KARAKTER MORFOLOGI ISOLAT Phlebiopsis sp.1 JAMUR PENGENDALI HAYATI YANG POTENSIAL UNTUK Ganoderma philippii Desy Puspitasari; Arif Wibowo; Sri Rahayu; Istiana Prihatini; Anto Rimbawanto
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 1 (2016): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Identification of wood decay fungi based on morphological character of isolates is very helpful where identification of fruit body morphology is ambiguous. Nine isolates of Phlebiopsis sp.1 obtained from the isolation root of Eucalyptus pellita in permanent plots with root rot disease have the potential as biological control for G. philippii. The verification based on ITS sequences of rDNA showed that these isolates were closely related to P. gigantea and P. flavidoalba. The characterisation of morphological was performed on isolates grown on Malt Extract Agar media with sawdust. Based on the macroscopic observation, the isolates were categorized into three different morphotypes: (1). Cottony mycelium from the beginning to the advanced stage, one isolate (Pb5); (2). Cottony at the beginning and then turned into farinaceous to floccose on the advanced stage, 7 isolates (Pb1, Pb2, Pb4, PB6, PB8, Pb9, Pb10); (3). Absent at the beginning and then turned into zonate on the advanced stage, one isolate (Pb11). Morphotype 2 is the dominant group of Phlebiopsis sp.1 isolates, with fine tufts of white mycelium which turned brown on the surface of the colonies. Morphotype 3 has very different morphological characters than other 8 isolates, it has very characteristic concentric circle with different color and texture of each circle. The growth rate of mycelium ranged between 10.70 - 10.85 cm²/day for morphotype 1 and 2; 1.95 cm²/day for morphotype 3.

Keragaman Genetik Lima Populasi Gyrinops verstegii di Lombok menggunakan Penanda RAPD AYPBC Widyatmoko; Rizki Diah Afritanti; Taryono Taryono; Anto Rimbawanto
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.2009.3.1.1-10

Gyrinops verstegii is one of the species which produce high economic value of gaharu (agarwood). The objectives of this research were to estimate genetic diversity within and among populations, investigate distribution of genetic diversity, and genetic relationship among five populations of G. Verstegii. Leaf samples were taken from five populations of G. Vertegii in Lombok, NTB,. Genetic diversity was analyzed using 21 selective primers out 200 primers. A total of 42 polymorphic loci were detected. Mean of genetig diversity was 0.288, and genetic distance betwen populations was 0.148. The Proportion of 85.24 % of genetic diversity was distributed within population, and the remaining 14.76 % was distributed between populations. Based on cluster analysis, the five populations were separated into two major group consisted of Pusuk Pohon Induk, Pusuk Sumber Benih, and Mantang I. The second group consisted of Mantang Pohon Induk and Mantang II. Collecting genetic materials for conservation and tree improvement program should be focused on the materials within population and each group (regent) should be a representative of at least one population.

Keragaman genetik Gonystylus bancanus (miq.) kurz berdasarkan penanda RAPD (Random Amplified polymorphic DNA) Antonius WPBC Widyatmoko; nfn Aprianto
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.2013.7.1.53-71

Gonystylus bancanus (Ramin) is one of the most valuable timber species in peat swamp forest. Over harvesting and illegal logging had decreased the potential of the species. Thus, conservation of the species becomes a very crucial activity to be carried out. In order to conserve efficient and effectively, it is important to gather information of genetic diversity and its distribution, and also genetic relationship among populations. In this activity, 86 loci from 20 RAPD primers were used for analyzing genetic diversity of 10 populations of ramin distributed in Kalimantan and Sumatera. As a result, mean genetic diversity of the 10 populations was 0.329, and mean genetic distance between populations was 0.061. Genetic diversity within population (94%) was higher than between populations (6%). Based on cluster analysis, 10 populations of ramin were divided into 2 groups. The first group was consisted of Kuok B, and the remaining 9 populations were clustered into the second group. The second group could be divided into 3 sub-groups, the first sub-group consisted of Mesukuh I, Mesukuh II, Pakilat I, Kanarakan dan Nyaru Menteng, second sub-group was consisted of Pakilat II, and the third sub-group was consisted of PT Diamond, Kuok A and Berbak.

PERCEPATAN KEMAMPUAN BERAKAR DAN PERKEMBANGAN AKAR STEK PUCUK Shorea platyclados MELALUI APLIKASI ZAT PENGATUR TUMBUH IBA Suryo Hardiwinoto; Rixa Riyanti; Widiyatno Widiyatno; Adriana Adriana; Widaryanti Wahyu Winarni; Handojo Hadi Nurjanto; Eko Priyo
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 2 (2016): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Shorea platyclados is one of fast-growing Dipterocarp species for enrichment planting in Logged-Over Area (LOA) of tropical rain forests. One of the constrain to supply the seedling for support enrichment planting is the irregular flowering of S. platyclados. Moreover, the vegetative propagation is an alternative method to provide the sustainable seedling for enrichment planting in the LOA. This experiment was carried out to assess the effects of IBA concentrations on rooting ability, the primary and secondary root lengths, and the accumulated number of primary and secondary roots on shoot cutting of S. platyclados. The research was conducted in Completly Randomized Design (CRD) with 5 replications. The treatment was five concentrations of IBA, i.e. 0 ppm, 25 ppm, 50 ppm, 75 ppm, and 100 ppm. The data were analyzed using one-way analysis of variance (one way ANOVA) to determine the effect of IBA concentration variation amongst the treatments. The Duncan Multiple Range Test (DMRT) was used for multiple comparisons among the means of treatment at tα=5%, Results showed IBA concentrations significantly affected the rotting ability, the primary and secondary root length of shoot cutting (P < 0.05). On the other hand, the number of primary and secondary roots was not significantly different among treatment (P > 0.05). For rooting ability, 100 ppm of IBA concentration was the highest of all treatments. Meanwhile, 75 ppm of IBA concentration was the best treatment for development of root, i.e. the number of primary roots, the length primary and secondary roots.

Penggunaan Vermikompos dalam meningkatkan mutu inokulum fungi mikoriza arbuskula Asrianti Arif; Husna Faat; Mahfudz Mahfudz
Jurnal Pemuliaan Tanaman Hutan Vol 3, No 2 (2009): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Arbuscular mycorrhyza fungi (AMF) constitutes one of biological agent which is able to enhance the growth and productivity of plant. AMF reproduction has been frequenly done as well as inoculum formulation improvement. It is done by adding other subtances like organic fertilizer which is aimed at speeding up plant growth response prior to associating with AMF and increasing more growth after associating with AMF. Thus, This research is aimed at studying the response of AMF selected types G.etunicatum and Glomus sp. Toward vermicompost and test vermicompost addition in increasing AMF inoculum quality. The research is factorial experiment with RAL using two treatment factors. First factor is AMF inoculum factor and the second factor is medium formulation. The research revealed that G.etunicatum is more tolerant on vermicompost addition compared to Glomus sp. (indegenous), the use of vermicompost, G.etunicatum type with 30% vermicompost namely 0,12 x 104 propagul and Glomus sp. Type with 40% vermicompost is 0,19 x 104. Vermicompost residual as early nutrient supply for crop

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