Genetic variation of seedling growth traits of open-pollination families of<em> Pinus tabulaeformis</em>

LIU Yong-hong; FAN Jun-feng; YANG Pei-hua; HAN Chuang-ju

Volume 22 Issue 5

Feb. 2017

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LIU Yong-hong, FAN Jun-feng, YANG Pei-hua, HAN Chuang-ju. Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis[J]. Journal of Zhejiang A&F University, 2005, 22(5): 513-517.

Citation:

LIU Yong-hong, FAN Jun-feng, YANG Pei-hua, HAN Chuang-ju. Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis[J]. Journal of Zhejiang A&F University, 2005, 22(5): 513-517.

Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis

1.
College of Forestry , Northwest Sci-Tech University of Agriculture and Forestry , Yangling 712100, Shaanxi , China

Funds:

国家林业局重点资助项目(2003-023-L23)

Received Date: 2005-02-25
Rev Recd Date: 2005-07-08
Publish Date: 2005-10-20

Abstract

The analysis of seedling growth traits from open-pollination families from 3 seed orchards and 1 superior provenance of Pinus tabulaeformis was made in Shaanxi Provence .The results indicated that stands and families exited abundant genetic variation and the variance components of families were more than those of stands .Families in different seed orchards and different families in same seed orchard had highly significant difference in height and diameter.The height growth of the best family progeny was one time more than the worst one .There were significantly difference among the 1 000-seed weights and the range of variation were 20.04 -65.10g .1000-seeds weight were close correlations with diameter but light correlations with seedling height .Through meritability of diameter and height were very high .Through using growth index , there were 46 excellent families be selected primarily and the expected genetic gains of height and diameter were 16.32 %-27.86 % and 6.39 %-23.08 % respectively .The selection effect was very striking .[ Ch , 7 tab .12 ref .]
- forest tree breeding,
- Pinus tabulaeformis,
- seedling period,
- genetic variation,
- family selection,
- progeny test

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis

1. College of Forestry , Northwest Sci-Tech University of Agriculture and Forestry , Yangling 712100, Shaanxi , China

Funds:

国家林业局重点资助项目(2003-023-L23)

Received Date: 2005-02-25

Rev Recd Date: 2005-07-08

Publish Date: 2005-10-20

Key words:

Abstract: The analysis of seedling growth traits from open-pollination families from 3 seed orchards and 1 superior provenance of Pinus tabulaeformis was made in Shaanxi Provence .The results indicated that stands and families exited abundant genetic variation and the variance components of families were more than those of stands .Families in different seed orchards and different families in same seed orchard had highly significant difference in height and diameter.The height growth of the best family progeny was one time more than the worst one .There were significantly difference among the 1 000-seed weights and the range of variation were 20.04 -65.10g .1000-seeds weight were close correlations with diameter but light correlations with seedling height .Through meritability of diameter and height were very high .Through using growth index , there were 46 excellent families be selected primarily and the expected genetic gains of height and diameter were 16.32 %-27.86 % and 6.39 %-23.08 % respectively .The selection effect was very striking .[ Ch , 7 tab .12 ref .]

Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis

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Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis

1. College of Forestry , Northwest Sci-Tech University of Agriculture and Forestry , Yangling 712100, Shaanxi , China

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Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis

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Genetic variation of seedling growth traits of open-pollination families of Pinus tabulaeformis

1. College of Forestry , Northwest Sci-Tech University of Agriculture and Forestry , Yangling 712100, Shaanxi , China

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