| 云南割手密（Saccharum spontaneum）染色体数目及其地理分布研究 |
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| 引用本文： | 杨清辉,何顺长. 云南割手密（Saccharum spontaneum）染色体数目及其地理分布研究[J]. 亚热带农业研究, 1996, 0(1) |
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| 作者姓名： | 杨清辉 何顺长 |
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| 作者单位： | 云南农业大学农学院甘蔗资源研究室 |
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| 摘 要： | 对８７份云南割手密无性系进行了染色体数目和植物学性状的观察，发现云南割手密染色体数目有２ｎ＝６０、６４、７０、８０四种类型。讨论了染色体倍性与植物学性状及地理分布的关系。
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| 关 键 词： | 割手密，染色体，地理分布，云南 |
Studies on Saccharum spontaneum Chromosome Numbers and Geographical Distribution in Yunnan, China |
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| Yang Qinghui, He Shunchang. Studies on Saccharum spontaneum Chromosome Numbers and Geographical Distribution in Yunnan, China[J]. Subtropical Agriculture Research, 1996, 0(1) |
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| Authors: | Yang Qinghui He Shunchang |
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| Abstract: | Chromosome counts and morphological observation on 87 clones of Saccharum spontaneum collected from Yunnan Province were carried out. It revealed four chromosome types: 2n= 60, 64, 70, 80. Most of the S. spontaneum (71 clones)have 2n= 80, some (8clones) have 2n=64. Individuals with 2n= 60 and 70. The geographical distribution of the chromosome number in Yunnan was discussed. |
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| Keywords: | Saccharum spontaneum chromosome geographical distribution Yunnan |
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