欧建德. 闽楠优良家系和单株的早期综合选择研究[J]. 西南林业大学学报, 2015, 35(1): 33-37. DOI: 10.11929/j.issn.2095-1914.2015.01.007
引用本文: 欧建德. 闽楠优良家系和单株的早期综合选择研究[J]. 西南林业大学学报, 2015, 35(1): 33-37. DOI: 10.11929/j.issn.2095-1914.2015.01.007
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OU Jian-de. Combination Selection of Excellent Families and Plus Trees of Phoebe bournei[J]. Journal of Southwest Forestry University, 2015, 35(1): 33-37. DOI: 10.11929/j.issn.2095-1914.2015.01.007
Citation: OU Jian-de. Combination Selection of Excellent Families and Plus Trees of Phoebe bournei[J]. Journal of Southwest Forestry University, 2015, 35(1): 33-37. DOI: 10.11929/j.issn.2095-1914.2015.01.007
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闽楠优良家系和单株的早期综合选择研究

Combination Selection of Excellent Families and Plus Trees of Phoebe bournei

    摘要
  • 摘要: 对福建明溪地理种源试验的20个闽楠家系7年生子代林进行测定，采用树高、胸径和单株材积生长量多性状指标综合评价，估算其遗传增益。结果表明，选出的4个优良家系的树高、胸径和单株材积分别比家系均值提高2285%、2956%和8927%;优良家系的树高、胸径和单株材积的平均遗传增益分别为1926%、2549%和7899%, 从优良家系选出的11株优良单株，树高、胸径和单株材积较家系平均值增加了5316%、8496%、34116%，预期遗传增益分别为2582%、3559%、12220%，选出的优良单株可作为闽楠的育种材料。

     

    Abstract: 7-year-old progeny forest of 20 Phoebe bournei families was conducted in Mingxi County,Fujian Province.The height,DBH(diameter at breast height)and volume of individual tree were comprehensive assessed to analyze their genetic gain.The results showed that the height,DHB and stem volume of the 4 excellent families which were selected were increased by 2285%,2956% and 8927%,respectively,and the average genetic gain were 1926%,2549% and 7899%,respectively.11 plus trees were further selected from the excellent families,whose average height, average DHB and average stem volume were increased by 5316%、84.96%、34116%.respectively,and their expected genetic gains were 2582%、3559%、12220%,respectively. These excellent individuals could be used as breeding materials of Pbournei.

     

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