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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 7 Documents

Search results for , issue "Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan" : 7 Documents clear

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.

PERTUMBUHAN JABON (Anthocephalus cadamba Miq.) PADA LAHAN MARGINAL BERJENIS TANAH ULTISOL DI RIAU Ahmad Junaedi
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Study on growth of jabon (Anthocephalus cadamba Miq) as native tree species that suitable for pulpwood on ultisol-soil land is required, as most pulpwood plantation occur in this type of soil. The experiment was conducted in ex Acacia mangium (second rotation) in Riau to evaluate the growth performance of jabon on marginal land ultisol soil. This study assigned experiment plots of jabon with three planting spaces (2 m × 2 m; 2 m × 3 m and 3 m × 3 m) and four blocks in Randomized Block Design. The poor growth was exhibited by jabon on marginal land ultisol. It was suggested that the poor growth related to the negative effects of low N and P soil, high Al soil, and threats of pest, disease, weed as well. The result study indicated that jabon was not suitable to be developed as pulpwood species in marginal lands ultisol of pulpwood plantation in Riau.

PERTUMBUHAN BIBIT HASIL OKULASI PADA BEBERAPA KLON JATI DARI GUNUNGKIDUL DAN WONOGIRI Hamdan Adma Adinugraha; Abdul Aziz Efendi
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Multiplication of teak clones can be conducted by using vegetative methods either macro or in vitro. In this research, several teak clones collected from Gunungkidul and Wonogiri were propagated using bud grafting technique to know the variation of their growth ability in the nursery. This research arranged in nested design, with 25 clones nested in 3 locations of scion source (clonal test at Gunungkidul, progeny test in Gunungkidul and clonal test in Wonogiri). Each treatment was repeated in 5 replications and each replication consisted of 10 bud grafted seedlings. The result showed that there were significant variations of growth among the clones in all observation characters, whereas the location of scion source was not significant. The best survival percentage of bud grafting from 3 sites of scion source were Clone 8 from the clonal test in Gunungkidul, Clone 64 from progeny test in Gunungkidul, Clone 43 and 87 from the clonal test in Wonogiri.

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.

PENGUJIAN PENANDA JENIS SPESIFIK PADA JAMUR YANG BERPOTENSI SEBAGAI AGENS PENGENDALI HAYATI PENYAKIT BUSUK AKAR PADA AKASIA Istiana Prihatini; Anto Rimbawanto; Desy Puspitasari; Dayin Fauzi
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Root rot caused by Ganoderma philippii (Bres. & Henn. ex Sacc.) Bres., is an important disease in Acacia plantation. A strategy to control this disease is currently being developed, particularly on the application of biological control agent (BCA). Species specific primers for rapid identification of potential fungi as BCA were developed. This study aimed to obtain the best DNA condition and the best primers for species specific identification. DNA with 20x dilution is the best condition for amplification of the ITS fragment thus used for rapid species identification. The best primer set to detect Cerrena sp. is CrF1/CrR1, PbF2/PbR2 is the best primer set for Phlebiopsis sp. 1. There was no specific primer suitable to detect Phlebia sp. 1 and Phlebia sp. 2 only but Pl-2F1/Pl-2R4 is the best primer set for Phlebia spp.

PENINGKATAN KUALITAS BIBIT NYAMPLUNG (Calophyllum inophyllum L) DAN MALAPARI (Pongamia pinnata L) DENGAN APLIKASI MIKORIZA DAN Trichoderma spp. Benyamin Dendang; Aditya Hani; Encep Rachman
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Nyamplung and Malapari a potential bioenergy crops on marginal land to be developed on the coastal land. The constraints of the coastal land is the less of water and soil nutrient. Input technology is needed in order to suceed the crop planting such as using bio fertilizer. Mycorrhizae plays an essential role in helping plants to absorb phosphate and increase the resistance to drought. Trichoderma spp involves in producing beneficial hormones for metabolism and helps break down organic matter. Utilization of biofertilizer is still rarely used as treatment in bioenergy plant seedlings. This study aimed to determine the quality of nyamplung and malapari seedlings after mycorrhizal and Trichoderma spp application in the nursery. Experiments were arranged in a complete randomized block design (RCBD). The treatment of media: soil as control (T), soil+organic fertilizer with ratio of 3:1(TK), soil+organic fertilizer+mycorhizae 10 g (TKM), soil+organic fertilizer+Trichoderma spp 10 g (TKT), soil+organic fertilizer+mycorrhizal 10 g+Trichoderma 10 g (TC). Application was done when the seedlings reached 1 (one) month old. Biofertilizer was sown around seedling roots. Each treatment consisted of 50 samples and 3 replications so the total seedlings were 750 seedlings. The results showed that after 6 and 12 months treatment malapari with organic fertilizer + mikoriza + Tricoderma spp (TC) gained 67.5% taller and 427% larger on dry weight of leaf than the control, whereas in nyamplung seedlings, TC treatment resulted better growth with diameter 8% larger, root length 78.56% longer, and total dry weight 7.88% heavier compared to control (T).

EMBRIOGENESIS SOMATIK ROTAN TOHITI (Calamus inops Becc. ex Heyne) Yelnititis Yelnititis
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 1 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

The conventional propagation of tohiti rattan still faces problem because of infrequent fruiting season and limited seed production. Somatic embryogenesis is an alternative technique to solve the problem. The purpose of this experiment is to obtain the best growth regulator treatments for embryogenic callus and somatic embryo formation of tohiti rattan. Murashige and Skoog (MS) basal medium was used as growth medium. The experiment was conducted in three stages: seed germination, embriogenic callus induction and somatic embryo induction. MS medium without plant growth regulator was used for aseptic seed germination. MS medium supplemented with growth regulator of BA (Benzyl adenine) of 0.5 – 2.0 mg/l was used for embryogenic callus induction. MS medium supplemented with BA 1.0 mg/l in combination with hormone 2.4-D of 0.0 – 1.0 mg/l was used for somatic embryo induction. The seed germination percentage, visual performance on embryogenic callus and somatic embryo were observed. The results showed that the percentage of aseptically seed germination reached 90%. MS medium supplemented with 1.0 mg/l BA is the best media for embryogenic callus induction with friable, white and yellowish of callus which was observed after four months of induction culture. The BA of 1.0 mg/l in combination with 2.4-D of 1.0 mg/l provided the highest number of the formed somatic embryo.The performance of somatic embryos formation from this treatment was likely as zygotic embryo.

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