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INDONESIA
JURNAL PEMULIAAN TANAMAN HUTAN
Published by Badan Penelitian dan Penegembangan Kehutanan
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 10, No 1 (2016): Jurnal Pemuliaan Tanaman Hutan" : 6 Documents clear
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)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (572.664 KB) | DOI: 10.20886/jpth.2016.10.1.51-61

Abstract

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.
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)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (937.931 KB) | DOI: 10.20886/jpth.2016.10.1.1-11

Abstract

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).
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

Abstract

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.
EVALUASI PRODUKSI BENIH PADA KEBUN BENIH HIBRID ACACIA (Acacia mangium x Acacia auriculiformis) DI WONOGIRI, JAWA TENGAH Sri Sunarti; Valerianus Devi Adyantara; Suharyanto Suharyanto; Teguh Setyaji; Arif Nirsatmanto
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 | Full PDF (681.175 KB) | DOI: 10.20886/jpth.2016.10.1.39-49

Abstract

Research for developing Acacia hybrid (Acacia mangium x Acacia auriculiformis) breeding strategy through establishing hybrid seed orchard (HSO) has been started by BBPPBPTH. Two hectares of HSO was established in Wonogiri, Central Java to produce the Acacia hybrid seed. The orchard was laid out using an alternating rows design among the two pure parent species with spacing of 1 m x 3 m: 1 m within the species and 3 m between the species. The purpose of this study is to evaluate flowering synchronization and seed production in first year flowering session of four years age mother trees in the HSO. The unit area of observation was set up in 0.2 ha within the HSO. During the first flowering session, 100 mother trees (31%) were observed showing synchronized flowering time among the two parents species: 50 mother trees for Acacia mangium and 50 mother trees for A. auriculiformis. Seed production was still low in which only 38 out of 50 trees of A. mangium mother trees produced seed, whereas selected A. auriculiformis mother trees did not produce seed. The average viability of the collected seed was moderately low at 59.2%. Subsequent verification through DNA marker using SCAR and SSR revealed less than 1% of the collected seed were identified as true Acacia hybrid.
STRUKTUR GENETIK Calliandra calothyrsus DI INDONESIA MENGGUNAKAN PENANDA RANDOM AMPLIFIED POLYMORPHISM DNA (RAPD) ILG Nurtjahjaningsih; Purnamila Sulistyawati; Anto Rimbawanto
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.2016.10.1.31-38

Abstract

Calliandra calothyrsus was introduced to Indonesia from Guatemala in 1930s and had been planted widely throughout Indonesia for fuel wood. Genetic diversity within and among population is an important factor for initiating breeding program. Aim in this study was to evaluate genetic structure of C. calothyrsus in Indonesia, to obtain a better understanding of the history of the distribution and efficiency of breeding strategy of this species. Leaf samples were collected in a seedling seed orchard plot from 10 populations. Six RAPD markers consisted of 34 loci were used to analyze genetic diversity and genetic structure. The results showed that genetic diversity was in low to moderate level (mean HE= 0.321). The AMOVA analysis showed that genetic differentiation among geographical sources was significant, also among populations within geographical sources and among individual within populations as well. It was revealed that the 10 populations originated from only two ancestors. The limited number of ancestors resulted low to moderate genetic distances among populations (mean Da=0.070). In conclusion, C. calothyrsus has moderate genetic diversity within population and weak genetic structure among populations. Genetic diversity in population/individual level should be considered as a selection unit in the breeding strategies.
PENGARUH MEDIA ORGANIK SEBAGAI MEDIA SAPIH TERHADAP KUALITAS BIBIT BIDARA LAUT (Strychnos lucida R. Brown) Anita Apriliani Dwi Rahayu; Resti Wahyuni
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 | Full PDF (593.634 KB) | DOI: 10.20886/jpth.2016.10.1.13-22

Abstract

Timber utilization of Strychnos lucida R. Brown as a medicine caused uncontrolled exploitation. Currently unknown nursery technique appropriate to Strychnos lucida. The aim of this research wastesting the organic media such as eceng gondok compost, rice skin ash and cocopeat as growing media so was produced the best quality of Strychnos lucida seedling. The research used Randomized Complete Block Design with four treatments: B0 (top soil + organic compost (1:1)), B1 (eceng gondok compost + rice husk ash + cocopeat (2:2:1)), B2 (eceng gondok compost + rice husk ash + cocopeat (2:1:2)), and B3 (eceng gondok compost + rice husk ash + cocopeat (1:2:2)). The results showed that growing media only significantly influence on the total of leave, while others parameter such as life percentage, height, diameter, root/shoot ratios (R/S), seedling quality index (QI), and seedling sturdiness were not significantly influence. Duncan test showed average of total of leave was significantly different. The best of total of leave obtained in media B0 (7.4 strands).

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