| 水杉的无性系选育 |
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| 引用本文： | 马常耕,程长元. 水杉的无性系选育[J]. 林业科学研究, 1992, 5(5): 506-511 |
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| 作者姓名： | 马常耕 程长元 |
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| 作者单位： | 中国林业科学研究院林业研究所(马常耕)，湖北省黄冈地区林业科学研究所(程长元) |
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| 摘 要： |
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| 关 键 词： | 水杉 无性系 育种 |
| 收稿时间： | 1991-09-24 |
Clonal Selection of Metasequoia glyptostroboides |
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| Ma Changgeng and Cheng Changyuan. Clonal Selection of Metasequoia glyptostroboides[J]. Forest Research, 1992, 5(5): 506-511 |
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| Authors: | Ma Changgeng and Cheng Changyuan |
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| Affiliation: | Ma Changgeng(The Research Institute of Forestry CAF |
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| Abstract: | 31 clones of Metasequoia glyptostroboides have been tested at two sites in Huanggang Region, Hubei Province for 12 years. The main trial consists of three randomized complete block with row plot. The results of variance analysis at the age of 12 year-old showed that there are significant differences in growth traits and crown shape among clones and the clones of inherent rapid growth could be characterized at early stage in field by planting grafts. Correlated responses to selection suggested that the fourth or fifth year would be the appropriate time to select according to the height growth. The tree breeders have embraced testing and selection at early ages in clonal breeding. |
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| Keywords: | Metasequoia glyptostroboides plus tree clonal test juvenilemature correlation |
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