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Journal : JURNAL PEMULIAAN TANAMAN HUTAN

 1 
Taksiran parameter genetik untuk pertumbuhan dan kelurusan batang uji keturunan Araucaria cunninghamii umur 5 tahun Dedi Setiadi
Jurnal Pemuliaan Tanaman Hutan Vol 4, No 3 (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.2010.4.3.117-124

Abstract

An open-pollinated progeny test of Araucaria cunninghamii was established in Bodowoso, East Java.The seeds were collected from 28 parent trees in 3 provenances in papua. The progeny test was arranged according to randomized Complete Block Design consisting of 28 families, 8 replications, 4 lines tree plot and spacing at 4 m x 3 m. At five years of age differences between provenances or families within provenance was significant for height, diameter and stem straightness. Heritability estimates for height, diameter and stem straightness were all moderate: (h2f – 0.44, h2i =0.11) for  height, h2f – 0,36 h2i =0.12) for straightness). The genetic corrwelations between traits were strong and positive: 0.62 for height and diameter, 0.73 for diameter and straightness (rg=0.73) and height and straightness. The genetic gains from family selection with  selection intensity of 70 % for height, diameter and stem straightness were 7.8 %, 2.5 %, and 9.7 % respectively, While those from individual selection with selection intensity of 10 % for height, diameter and stem straightness were 10.7 %, 4.6 % and 15.3 % respectively.
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

Abstract

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.
Co-Authors Hamdan Adma Adinugraha Mohammad Anis Fauzi Mudji Susanto