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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

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
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

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)

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 .]

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.

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