SELEKSI DAN PEROLEHAN GENETIK PADA UJI KETURUNAN NYAWAI (Ficus variegata Blume) DI BANTUL

Jurnal Pemuliaan Tanaman Hutan

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Title SELEKSI DAN PEROLEHAN GENETIK PADA UJI KETURUNAN NYAWAI (Ficus variegata Blume) DI BANTUL
 
Creator Haryjanto, Liliek
Prastyono, Prastyono
Hadiyan, Yayan
 
Subject genetic parameter; within plot selection; tree improvement; fast growing species
 
Description Nyawai (Ficus variegata Blume) is a fast growing species which is promising for forest industrial plantation. Tree improvement of nyawai was then initiated through some progeny trials involving wide range of genetic base in Bantul. Study on initial growth reported that nyawai originated from Cilacap-Pangandaran showed higher genetic variation than those from other locations. However, further growth performance including the effect of selection in the progeny trial was not reported. This study was aimed to observe the growth and genetic parameter of nyawai in the progeny trial at advanced age. The genetic gain resulted from series of within plot selection was also estimated. The design of progeny trial was a randomized complete block with 19 families from Cilacap-Pangandaran, 4 non-contiguous tree-plot, 7 blocks at spacing of 5 m × 5 m. The observed traits were height, diameter at breast height and volume at four years of age. The results of study showed that survival rate was high at 89%. The mean annual increment for height, diameter and volume were 1.52 m/yr; 2.35 cm/yr and 8.65(×10-3) m3/yr, respectively. The proportion of variance to the total variance for family, plot and within plot ranged from 0.06% to 2.10%, 25.54% to 27.50% and 70.57% to 73.91%, respectively. In general, narrow-sense heritability for individual, family and within family were low. Genetic gain from within family selection that was practiced as within plot selection using selection ratio 25% were also low ranging from 0.19% to1.91% for all traits.
 
Publisher Center for Forest Biotechnology and Tree Improvement (CFBTI)
 
Contributor Balai Besar Penelitian dan Pengembangan Bioteknologi dan Pemuliaan Tanaman Hutan
 
Date 2018-12-31
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPTH/article/view/4594
10.20886/jpth.2018.12.2.95-104
 
Source Jurnal Pemuliaan Tanaman Hutan; Vol 12, No 2 (2018): Jurnal Pemuliaan Tanaman Hutan; 95-104
2527-8665
1693-7147
 
Language eng
 
Relation http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPTH/article/view/4594/4615
 
Rights Copyright (c) 2019 Jurnal Pemuliaan Tanaman Hutan
https://creativecommons.org/licenses/by-nc-sa/4.0
 

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