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Genetic Gain of Analysis on Half-Sib Progenies Family of Pinus massoniana
Author(s): 
Pages: 772-777
Year: Issue:  6
Journal: Journal of Huazhong Agricultural University

Keyword:  马尾松半同胞家系子代林遗传力遗传增益;
Abstract: 以湖北省京山县太子山林场管理局马尾松实生种子园子代半同胞家系16年生林分为研究对象,测定了胸径、树高、枝下高、冠幅和材积等生长因子,结果表明:不同半同胞家系林木各生长因子间差异均达极显著水平,说明马尾松林木半同胞家系间存在较为丰富的遗传变异,具选育潜力.16年生半同胞家系马尾松林分树高、胸径及材积遗传力分别为0.843 5,0.740 5及0.750 6.根据性状遗传力的大小,以树高、胸径和材积作...
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