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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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Estimasi parameter genetik dan peran gen pada uji keturunan full sib kayu putih di Gunung Kidul Noor Khomsah Kartikawati; Mohammad Naiem; Eko Bhakti Hardiyanto
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.2013.7.1.1-13

Controlled pollination technique could be applied to generate gene recombinant from families in progeny test and to estimate genetic parameters. The early step in evaluation of controlled pollination is to estimate general combining ability and specific combining ability. the objectives of this research were to estimate generic parameters on full sib progeny test of melaleuca cajuputi subsp cajuputi cajuput and to identify gene action controlling growth and oil traits. The research was conducted on full sib progeny test at Gunungkidul established in an incomplete block Design with six treeplots and eight replications. Tree height and diameter stem growth were observed at seven years old. Oil yield and cineol content were examined using gas chromatography. Analysis of variance and genetic parameter were calculated for all measured variables. The result showed that individual heretabilities on growth traits (hi2 of stem diameter = 0,34 and tree height = 0,01, respectively) were lower than on oil traiths (hi2 of oil yield =0,6 and cineole = 0,4 respectively). This indicated that oil traits tend to genetically controlled. Analysis of variances on general combining ability (GCA) and Specific Combining Ability (SCA) effects from a serries of 15 sets of 5x5 half-diallel mating experiments showed that all traits (height, diameter, oil and 1,8 cineole yields) were controlled by non-aditive genes. Consequently, controlled pollination of selected plus trees should be carried out until heterosis of improved progenies could be found.

PERBEDAAN STRUKTUR XILEM BATANG SENGON (Falcataria moluccana) DARI PROVENAN SOLOMON DAN WAMENA Lucy Ana Cahya Inkasari; Liliana Baskorowati; Anti Damayanti
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 1 (2016): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Sengon (Falcataria moluccana) is fast growing species mostly planted by farmers due to its high productivity. Sengon originating from Solomon Island has been known with the high productivity eventhough susceptible to gall rust attack; on the other hand, sengon originating from Wamena is known to be more tolerant to gall rust attack. There is no previous study in terms of stem xylem structures comparing sengon from those seed origins. Therefore, this study was undertaken to identify the differences in anatomical structure of sengon stem; and to compare the xylem cell based on proportions and dimensions of the stems between the two provenances. Six stem samples of tolerant Wamena provenance and six samples of susceptible Solomon provenance were used in this study. Samples were collected from progeny trial of sengon in Lumajang, Jawa Timur. The observations include the anatomical structures and vessel element, parenchyma apotracheal cell, parenchyma paratracheal cell, xylem fiber, fiber length, and fiber diameter. The result showed that there was no difference in terms of anatomical structures between sengon Wamena (tolerant) and Solomon (susceptible) stem in cross section, tangential and radial section of periderm, phloem, secondary xylem (vessel cell, xylem fiber, and parenchyma xylem) and pith. However, in one of susceptible stem sample, a black reaction zone on the secondary xylem was found. Analysis of variance showed that parenchyma paratracheal cell, apotracheal cell, number of xylem fibers, xylem fiber diameter and length were not significantly different between stem of sengon Wamena (tolerant) and Solomon (susceptible).

Inisiasi Tunas Acacia Hibrid (Acacia mangium x A.Auriculiformis) Secara In Vitro Sri Sunarti; Asri Insiana Putri
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.2009.3.1.11-22

Preliminary shoot groeth on acacia hybrids (Acacia mangium x A. Auriculiformis) was observed to assess their in- vitro shoot initiation. Explants were taken from 4 months old seedlings of A. Mangium, A. Auriculiformis and their hybrid. Murashige & Skoog’s (MS) medium was used supplemented with various concentration of BAP, IBA,NAA, and GA4. Parameters measured were bud breaking, number average number of leaves of acacia hybrid was 7 and 1.9 cm and 5.2 respectively, found in medium Ak2 culture. Bud breaking of acacia hybrids on that medium happened 15 days earlier than pure Acacia. This finding showed that acacia hybrid could be propagated by micro propagation succesfully.

RESPON PERTUMBUHAN BIBIT KAYU KUKU (Pericopsis mooniana (Thw.) Thw) TERHADAP INOKULASI FUNGI MIKORIZA ARBUSKULA LOKAL Husna Husna
Jurnal Pemuliaan Tanaman Hutan Vol 9, No 3 (2015): 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.2015.9.3.131-148

Effectiveness of indigenous arbuscular mycorrhizal fungi (AMF) and the dependence of legumes to AMF application are determined by the compatibility of AMF and the host plant. This study aims to assess the effectiveness of indigenous AMF on growth, biomass and nutrient uptake of 5 months seedling of kayu kuku (Pericopsis mooniana (Thw.) Thw) grown in greenhouse. The six tested indigenous AMF were isolated from four rhizospheres of kayu kuku at Kolaka District: FMA-HA (natural forests Tanggetada, FMA-BJ (Bali Jaya village plantations), FMA-CA (Lamedai Nature Reserve, FMA-Vale (PT. Vale Indonesia Tbk.), and other two rhizospheres from Kendari city: FMAUHO (park area of Halu Oleo University), FMA-KG (urban forest in Southeast Sulawesi Governor's office). As comparison, there were also included a control (without AMF), a mycofer and an isolate from Kendari (kdr03). The study was designed in a randomized block design with 9 treatments and five replications. The results of study showed that in general AMF inoculations could increase the growth and nutrient uptake of the kayu kuku seedling. FMA-KG and FMA-UHO increased height, stem diameter, number of leaves, and root nodules. They also increased total dry weight at 260% and 281% above the control. In addition, FMA-KG increased total chlorophyll and nutrient accumulation. Levels of C organic and total N were not significantly affected by AMF treatment. Levels of total P, K, Ca and Mg of kayu kuku seedling were generally higher in control, but nutrient accumulation was higher in AMF treatment. There was a strong and significant correlation between nutrient accumulation and kayu kuku seedling biomass.

PENGGUNAAN RHIZOBIUM DAN MIKORIZA UNTUK PERTUMBUHAN Calliandra calothyrsus UNGGUL Rina Laksmi Hendrati; Siti Husna Nurrohmah
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 2 (2016): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Calliandra calothyrsus, a rhizobium associated legume, fixes atmospheric nitrogen by forming root nodules. Rhizobium availability is crucial for Calliandra’s growth especially on new sites. Additive or synergic effects of rhizobium and mycorrhiza are found to improve seedling quality. Genetically improved Calliandras require optimum silvicultural practices including rhizobium and mycorrhiza application and differences among families need to be observed. This followed with combination treatment of 5g rhizobium and different mycorrhiza level at 0, 5 and 10g applied to 5 families in 30 x 30 cm polybag. Assessments were for leaf number, height, diameter at 1, 4 and 8 weeks and number of root nodules at 4 and 8 weeks after application. Results show that rhizobium application has no significant effects although it enhances grow, while mycorrhiza application improve leaf number after 14 weeks. Second experiment for 3.5 month seedlings, indicates interaction on family-mycorrhiza level to seedling height and root nodules. Very positive correlations show that more root nodules improved leaf number (r=0.41), height (r=0.3) and diameter (r=0.45) up to planting time. Quite cheap rhizobium and mycorrhiza application is therefore beneficial to optimize the growth of genetically improved C. calothyrsus, although genotype differences may eXist.

GROWTH OF AXILLARY SHOOTS OF Alstonia scholaris (L.)R. Br. ON DIFFERENT HEIGHT OF HEDGING AND DOSAGES OF NPK FERTILIZER Mashudi Mashudi; Hamdan Adma Adinugraha; Dedi Setiadi; Anita F Ariani
Jurnal Pemuliaan Tanaman Hutan Vol 2, No 2 (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.2008.2.2.211-220

The aim of this experiment was to investigate the effect of hedging treatment and NPK fertilizer application on shoots production of Alstonia scholaris (L)R.Br. at nursery stage. The experiment was arranged in completely randomized design with two factors. The first factor was the height of hedging, consisted of 3 levels : 20 cm, 30 cm and 40 cm above the ground. The second factor was NPK fertilizer application, consisted of 4 levels : control (0g), 2 g, 4 g and 6 g. The result showed that the height of hedging, dosage of NPK fertilized and their interaction gave significant effect on the new shoots length. The highest shoot length by height of hedging treatment was 23.19 cm (T1) and the treatment of NPK fertilizer dosage was 23.18 cm (P4). The highest shoot length by interaction treatment was 26.87cm (P4T2). The treatment which showed the best average value of all characters was P1T1, as follows: number of shoots was 3,75, shoots length was 26,69 cm and number of leaves were 39.

ANALISA KIMIA KAYU PADA TANAMAN Araucaria cunninghamii Aiton ex D.Don UNTUK BAHAN BAKU PULP Dedi Setiadi; Mudji Susanto; Mohammad Anis Fauzi
Jurnal Pemuliaan Tanaman Hutan Vol 9, No 1 (2015): 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.2015.9.1.53-60

Araucaria cunninghamii is one of the endemic needles tree species grown naturally in Papua. The material used in the study is wood of A.cunninghamii that was planted in the first-generation of progeny test in Bondowoso, East Java. This study aims to determine the characteristic chemical properties of A.cunninghamii wood from some provenances as raw material for pulp. Disk of wood samples were taken from the stem at 50 cm above the ground with 5 cm of thickness. Testing chemical properties include the levels of toluene extractives soluble in ethanol, hot water soluble extractives, holocellulose, cellulose and lignin. Data were analyzed to determine the effect of provenance to chemical properties of wood. The results of study showed that wood sample of A.cunninghamii contained 73.33% holocellulose, 46.39% cellulose, lignin 30.56%, 1.19% ethanol solubility and 1.34% hot water solubility. Based on the composition of chemical substances contained in the wood, A.cunninghamii generally has good quality to be used as raw materials of pulp and paper.

KARAKTERISTIK SERAT KAYU HIBRID Acacia auriculiformis x Acacia mangium SEBAGAI BAHAN BAKU PULP Sri Sunarti; Harry Praptoyo; Arif Nirsatmanto
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 2 (2016): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Acacia auriculiformis x Acacia mangium hybrid (Aa x Am) is a promising Acacia hybrid for pulp. Wood properties of the hybrid have been reported for their physical and chemical characteristics, but the fiber characteristics have not been investigated. This study was aimed to investigate the fiber characteristics of the hybrid. Wood samples were collected from three years old of Aa x Am hybrid trees planted in a hybrid seed orchard. For comparison, wood sample from other three species: A. mangium x A. auriculiformis hybrid (Am x Aa), A. mangium and A. auriculformis on the same age, planted in the orchard were also collected. The wood sample was prepared from a slice which was put into a bottle containing a combination of acetic acid and hydrogen peroxide (perhidrol) in 1:20 (v/v) for observing fiber characteristics. The results showed that in general the fiber characteristics of Aa x Am hybrid were comparable to those of three comparison species. The average fiber dimensions were intermediate between the two parents: 0.85 mm, 16.09 μm, 12.56 μm and 1.7 μm for fiber length, fiber diameter, fiber lumen width and fiber wall thickness, respectively. The derived values were variable to three comparison species, with the Muhlstep ratio and flexibility coefficient were slightly lower than those observed in Am x Aa hybrid. Based on the level of fiber quality for pulp, the Aa x Am hybrid was classified as level II, the same level as A. mangium and hybrid Am x Aa.

HIBRIDISASI BUATAN Melaleuca alternatifolia DENGAN JENIS TERDEKAT : M. dissitiflora dan M. linariifolia Liliana Baskorowati
Jurnal Pemuliaan Tanaman Hutan Vol 2, No 3 (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.2008.2.3.253-262

Melaleuca alternifolia (tea tree) is one of Australian species for oil production purpose. Breeding strategies to improve the oil quality has been established since 1998, amongs them is artificial hybridisation between M. alternifolia with its close relatives of M. linariifiolia and M. dissitiflora. This study therefore aimed to produce hybrids of M. alternifolia x M. linariifolia and M. alternifolia x M. dissitiflora. These hybrids are expected to have oil with chemotypes meeting the standard requirements and to improve adaptability to drought environment. Two methods being used in this study were: conventional controlled pollination and one stop pollination. The results showed that both pollination methods successfully produce hybrid of M. alternifolia x M. dissitiflora. The number of capsule produced from conventional controlled pollination was much higher than from one stop pollination. Hybrids seedlings at 3 months old showed intermediate morphological characteristics of the parental seedlings.

Karakterisasi Morfologi dan verifikasi DNA Ganoderma philippii penyebab busuk akar Acacia mangium Desy Puspitasari; Anto Rimbawanto; Nur Hidayati
Jurnal Pemuliaan Tanaman Hutan Vol 3, No 2 (2009): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

The incidence of rot disese has inflicted substantial damage to some plantation of Acacia mangium in Sumatera and Kalimantan. As soil-borne pathogen, Ganoderma is commonly found in the tropic and in Indonesia the disease also couse significacant losses to rubber and soil palm plantation. To help control the disease, appropriate identification of the fungi cousing the disease and other field characteritics are critical. Morphological characteistics applied in this study has proved to be effective to identify the pathogen. The disease is predominantly caused by G. philippii. The result of morphological identicication was verified with the DNA sequence of the same fungus and confirm the accuracy of the morphological characteristics. Other fungi that attack root of Acacia mangium are G. australe and Phellinus spp.

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