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국내연구정보 (Domestic information) |
| ▒ Home | > | | 연구정보 (Information) | > | 국내연구정보 (Domestic information) |
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| Broad Sense Heritabilities of Growth Characters and Genetic Gain in Clonal Selection |
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| 글쓴이 : 관리자
날짜 : 08-07-29 16:40
조회 : 9790
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Broad Sense Heritabilities of Growth Characters and Genetic Gain in Clonal Selection of Plus Tree of Pinus koraiensis S. et Z. <Jour. Kor. For. Soc. 69:1-5 1985> Corresponding author sanguhan@forest.go.kr
Growth characters such as height, DBH, crown width, branch length and branch diameter were measured from 23 clones of plus trees of Pinus koraiensis. The results were as follows; 1) Differences between the largest and smallest clones were amounted to 41% in height, 81% in DBH, 50% in crown width, 55% in branch length and 83% in branch diameter. 2) There were significant differences between clones in every growth characters and correlation coefficients between growth characters were positive and significant (r= 0.418*-0.917*). 3) The broad sense heritabillties were 0.46 for height, 0.45 for DBH, 0.28 for crown width, 0.26 for branch length and 0.18 for branch diameter. 4) The genetic gains predicted for each character were ranged from 4.1%, to 11.1%, when selecting the best three out of 23 clones.
Key words: Pinus koraiensis, broad sense heritability, genetic gain
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