| 论落叶松树种改良新策略 |
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| 引用本文： | 杨俊明.论落叶松树种改良新策略[J].河北林果研究,1989,4(4):1-10. |
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| 作者姓名： | 杨俊明 |
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| 作者单位： | 河北省林科所 |
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| 摘 要： | 有性繁殖与无性繁殖相结合,建立轮回采穗圃,用全光自控喷雾扦插技术,大规模推广优良家系和第2代优良单株,是加快落叶松树种改良进程的关键。本文还提出了营建落叶松扦插苗人工林、测定林及采穗圃的方法和步骤。
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| 关 键 词： | 落叶松 树种改良 扦插繁殖 采穗圃 |
THE NEW TACTICS FOR LARCH SPECIES IMPROVEMENT |
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| Yang Junming.THE NEW TACTICS FOR LARCH SPECIES IMPROVEMENT[J].Hebei Journal of Forestry and Orchard Research,1989,4(4):1-10. |
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| Authors: | Yang Junming |
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| Institution: | Hebei Research Institue of Forestry Science |
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| Abstract: | The key to speeding up larch species improvement is combining sexual propagation with asexual one, establishing the rotative cuttings orchard and spreading the elite families and the second-generation single tree on a large scale by using softwood cuttings under full sunshine and automatic control of spraying.In this paper the method and steps to be taken for establishing larch plantations with rooted cuttings, plantations for testing offsprings and the cuttings orchard are suggested. |
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| Keywords: | larch tree species improvement cutting propagation cuttings orchard |
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