Genetic variation of new clones of <em>Populus deltoids</em> (I-69) ×<em>Populus euramericana</em> (I-45)

GUAN Lan-hua; PAN Hui-xin; HUANGMin-ren; SHI Ji-sen

Volume 21 Issue 4

Jul. 2017

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Article Navigation > Journal of Zhejiang A&F University > 2004 > 21(4): 376-381

GUAN Lan-hua, PAN Hui-xin, HUANGMin-ren, SHI Ji-sen. Genetic variation of new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)[J]. Journal of Zhejiang A&F University, 2004, 21(4): 376-381.

Citation:

GUAN Lan-hua, PAN Hui-xin, HUANGMin-ren, SHI Ji-sen. Genetic variation of new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)[J]. Journal of Zhejiang A&F University, 2004, 21(4): 376-381.

Genetic variation of new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)

1.
.China-J apan Cooperation Science and Technology Center for Forest Tree Improvement Project , Wuhan 430079 , Hubei , China;
2.
Key Open Laboratory of Forest Genetics and Gene-engineering Funded by State Forestry Administration , Nanjing Forestry University , Nanjing 210037, J iangsu , China

Funds:

九五国家科技攻关项目(96-011-02-04)

Received Date: 2004-01-06
Rev Recd Date: 2004-09-06
Publish Date: 2004-12-20

Abstract

The traits of DBH , height , volume , wood density , wet heartwood ratio , round degree , utilization ratio , and crooked degree were studied through variance analysis to learn about the genetic variation of all traits based on the 12th year' data. All traits except crooked degree were significantly different among the clones of Populus deltoides (I-69)Populus euremericana (I-45).The narrow-sense heritabilities of all these traits except crooked degree were 0.65 , 0.75 , 0.50 , 0.81 , 0.51 , 0.71 , 0.63 respectively , which indicated that all traits were genetically from medium to high. That is to say that all traits were more strongly controlled by genes than by environments and that high genetic gain could be gotten through selection.The 895 , 797 , 312 , 139 and 194 were the fastest clones of growth ;1271 , 410 , 187 , 748 and 1317 were the heaviest clones of wood density ;561 , 748 , 1150 , 1317 and 1381 were superior clones according to the round degree and utilization ratio.The traits of growth , wood quality and stem form had their own elite clones.In order to evaluate all these clones appropriately , all traits should be joint analyzed based on the breeding objective.[ Ch , 3 tab .13 ref .]
- Populus deltoides,
- Populus euramericana,
- wood density,
- wet heartwood ratio,
- round degree,
- utilization ratio,
- crooked degree

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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 new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)

1. .China-J apan Cooperation Science and Technology Center for Forest Tree Improvement Project , Wuhan 430079 , Hubei , China;

2. Key Open Laboratory of Forest Genetics and Gene-engineering Funded by State Forestry Administration , Nanjing Forestry University , Nanjing 210037, J iangsu , China

Funds:

九五国家科技攻关项目(96-011-02-04)

Received Date: 2004-01-06

Rev Recd Date: 2004-09-06

Publish Date: 2004-12-20

Key words:

Abstract: The traits of DBH , height , volume , wood density , wet heartwood ratio , round degree , utilization ratio , and crooked degree were studied through variance analysis to learn about the genetic variation of all traits based on the 12th year' data. All traits except crooked degree were significantly different among the clones of Populus deltoides (I-69)Populus euremericana (I-45).The narrow-sense heritabilities of all these traits except crooked degree were 0.65 , 0.75 , 0.50 , 0.81 , 0.51 , 0.71 , 0.63 respectively , which indicated that all traits were genetically from medium to high. That is to say that all traits were more strongly controlled by genes than by environments and that high genetic gain could be gotten through selection.The 895 , 797 , 312 , 139 and 194 were the fastest clones of growth ;1271 , 410 , 187 , 748 and 1317 were the heaviest clones of wood density ;561 , 748 , 1150 , 1317 and 1381 were superior clones according to the round degree and utilization ratio.The traits of growth , wood quality and stem form had their own elite clones.In order to evaluate all these clones appropriately , all traits should be joint analyzed based on the breeding objective.[ Ch , 3 tab .13 ref .]

Genetic variation of new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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Genetic variation of new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)

1. .China-J apan Cooperation Science and Technology Center for Forest Tree Improvement Project , Wuhan 430079 , Hubei , China;

2. Key Open Laboratory of Forest Genetics and Gene-engineering Funded by State Forestry Administration , Nanjing Forestry University , Nanjing 210037, J iangsu , China

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Genetic variation of new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)

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通讯作者: 陈斌, bchen63@163.com

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Genetic variation of new clones of Populus deltoids (I-69) ×Populus euramericana (I-45)

1. .China-J apan Cooperation Science and Technology Center for Forest Tree Improvement Project , Wuhan 430079 , Hubei , China; 2. Key Open Laboratory of Forest Genetics and Gene-engineering Funded by State Forestry Administration , Nanjing Forestry University , Nanjing 210037, J iangsu , China

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1. .China-J apan Cooperation Science and Technology Center for Forest Tree Improvement Project , Wuhan 430079 , Hubei , China;

2. Key Open Laboratory of Forest Genetics and Gene-engineering Funded by State Forestry Administration , Nanjing Forestry University , Nanjing 210037, J iangsu , China