Seed quality character variation and seed genetic parameters of <em>Cunninghamia lanceolata</em> in seed orchard

SUN Hong-you; ZHENG Yong-ping; WENG Chun-mei; LUO Xiao-hua; TU Wu-tai; CAI Ke-xiao

Volume 22 Issue 1

Feb. 2017

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Article Navigation > Journal of Zhejiang A&F University > 2005 > 22(1): 61-65

SUN Hong-you, ZHENG Yong-ping, WENG Chun-mei, LUO Xiao-hua, TU Wu-tai, CAI Ke-xiao. Seed quality character variation and seed genetic parameters of Cunninghamia lanceolata in seed orchard[J]. Journal of Zhejiang A&F University, 2005, 22(1): 61-65.

Citation:

SUN Hong-you, ZHENG Yong-ping, WENG Chun-mei, LUO Xiao-hua, TU Wu-tai, CAI Ke-xiao. Seed quality character variation and seed genetic parameters of Cunninghamia lanceolata in seed orchard[J]. Journal of Zhejiang A&F University, 2005, 22(1): 61-65.

Seed quality character variation and seed genetic parameters of Cunninghamia lanceolata in seed orchard

1.
Zhejiang Forestry College , Lin,an 311300, Zhejiang , China;
2.
Management General Station of Forest Seedling of Zhejiang Province, Hangzhou 310020, Zhejiang , China;
3.
Forest Enterprise of Suichang County , Suichang 323300, Zhejiang , China;
4.
Laoshan Forest Farm of Chun,an County , Chun,an 311700, Zhejiang , China

Funds:

浙江省自然科学基金资助项目(393058); 九五浙江省科技攻关重点项目(991102339)

Received Date: 2004-04-13
Rev Recd Date: 2004-09-02
Publish Date: 2005-02-20

Abstract

For knowing further about the genetic variation regularity of seed quality of Cunninghamia lanceolata , 22 seed orchards in different generations and different types were studied .After seed collecting , sampling , measuring for successive 4 years , the variation , heritability and genetic correlation of 6 quality characters , including thousand-grain weight , precentage of woody , germination percentage , germination index , seedling length , and vigor index were systemically analyzed .The results revealed that the level of phenetic and genetic variation of vigor index was the highest , that of sterile seed rate was the second , and that of seedling length was the lowest .Those seed quality characters from high to low in heritability order were as follows :thousand-grain weight , percentage of woody seed , seedling length , germination percentage , vigor index and germination index . There were light correlations between thousand-grain weight and other quality characters .There were light correlations between thousand-grain weight and other quality characters .There were no correlations between percentage of woody seed in heredity and others , except thousand-grain weight which relationship is lightly negatively correlated .But there were close correlations between germination percentoge and germination index , also between vigor index and germination index , seedling length .[ Ch , 4 tab .12 ref .]
- Cunninghamia lanceolata,
- seed orchard,
- seed,
- variation,
- heritability,
- genetic correlation

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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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Seed quality character variation and seed genetic parameters of Cunninghamia lanceolata in seed orchard

1. Zhejiang Forestry College , Lin,an 311300, Zhejiang , China;

2. Management General Station of Forest Seedling of Zhejiang Province, Hangzhou 310020, Zhejiang , China;

3. Forest Enterprise of Suichang County , Suichang 323300, Zhejiang , China;

4. Laoshan Forest Farm of Chun,an County , Chun,an 311700, Zhejiang , China

Funds:

浙江省自然科学基金资助项目(393058); 九五浙江省科技攻关重点项目(991102339)

Received Date: 2004-04-13

Rev Recd Date: 2004-09-02

Publish Date: 2005-02-20

Key words:

Abstract: For knowing further about the genetic variation regularity of seed quality of Cunninghamia lanceolata , 22 seed orchards in different generations and different types were studied .After seed collecting , sampling , measuring for successive 4 years , the variation , heritability and genetic correlation of 6 quality characters , including thousand-grain weight , precentage of woody , germination percentage , germination index , seedling length , and vigor index were systemically analyzed .The results revealed that the level of phenetic and genetic variation of vigor index was the highest , that of sterile seed rate was the second , and that of seedling length was the lowest .Those seed quality characters from high to low in heritability order were as follows :thousand-grain weight , percentage of woody seed , seedling length , germination percentage , vigor index and germination index . There were light correlations between thousand-grain weight and other quality characters .There were light correlations between thousand-grain weight and other quality characters .There were no correlations between percentage of woody seed in heredity and others , except thousand-grain weight which relationship is lightly negatively correlated .But there were close correlations between germination percentoge and germination index , also between vigor index and germination index , seedling length .[ Ch , 4 tab .12 ref .]

Seed quality character variation and seed genetic parameters of Cunninghamia lanceolata in seed orchard

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