| 桉树二代林更新优良无性系选择研究 |
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| 引用本文： | 连勇机.桉树二代林更新优良无性系选择研究[J].内蒙古林业调查设计,2008,31(6). |
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| 作者姓名： | 连勇机 |
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| 作者单位： | 安溪白濑国有林场,福建,安溪362411 |
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| 摘 要： | 通过引种10个桉树优良无性系,在桉树采伐迹地上进行造林对比试验。结果表明:经过连续2年的观测,2年生时,参试无性系平均树高、平均胸径、平均材积的家系重复力为0.781、0.515、0.631;根据生长状况,抗性分析、多重比较及指数选择确定二代林更新的4个桉树优良无性系为DH201、DH32-29、广林9、DH32-22,入选家系2年生单株平均材积为0.0195m3,是10个家系总平均材积的133.73%,材积平均遗传增益达到21.03%;为桉树二代更新多家系选择提供了参考。
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| 关 键 词： | 桉树 二代更新 无性系 选择 |
Preliminary Studies on Selection of Excellent Clones of Eucalyptus Updated for Two Generations |
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| LIAN Yon-gji.Preliminary Studies on Selection of Excellent Clones of Eucalyptus Updated for Two Generations[J].Inner Mongolia Forestry Investigation and Design,2008,31(6). |
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| Authors: | LIAN Yon-gji |
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| Abstract: | 10 good clones of eucalyptus were introduced,comparative trial of forestation in logging tracks of eucalyptus was conducted.The results showed that: after consecutive observation for two years,the average height,average diameter at breast height,the repeat ability of the family of average volume of tested clones growing for two years were 0.781,0.515,0.631 respectively;based on growth conditions,resistance analysis,multi-comparison and index selection the four good clones of eucalyptus updated for two generations were DH201,DH32-29,Kwong Lam 9,DH32-22;the average volume of the selected clons growing for two years was 0.0195 m3,which was 133.73% of average of the total volume of 10 family lines,the average genetic gain volume reached 21.03%. |
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| Keywords: | eucalyptus the second generations update clone selection |
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