腾冲红花油茶自然和人工种群种实性状变异研究

黄佳聪; 何俊; 尹瑞萍; 万晓军; 郭军; 辛成莲; 龚发萍; 李悦

腾冲红花油茶自然和人工种群种实性状变异研究

1 云南省保山市林业技术推广总站 2 中国科学院昆明植物研究所 3 云南省隆阳区林业局林木种苗管理站4 云南省腾冲县林业局林业技术推广站 5 北京林业大学林木育种国家工程实验室，树木花卉遗传育种教育部重点实验室, 国家林业局树木花卉育种与生物工程重点开放实验室

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出版历程
- 收稿日期: 1899-12-31
- 修回日期: 1899-12-31
- 发布日期: 2010-09-29

Variations of fruit and seed traits of natural and artificial populations in Camellia reticulata L

1 Forestry Technique Promotion Station of Baoshan City, Yunnan, 678000, P. R. China; 2 Kunming Institute of Botany, Chinese Academy of Sciences, 650204，P. R. China; 3 Forestry Technique Promotion Centre of Longyang District, Baoshan, Yunnan, 678000, P. R. China; 4 Forestry Technique Promotion Station of Tengchong County, Yunnan, 679100, P. R. China; 5 National Engineering Laboratory for Tree Breeding，Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education，Tree and Ornamental Plant Breeding and Biotechnology Laboratory of State Forestry Administration, Beijing Forestry University, 100083, P. R. China.

摘要

摘要: 为了选择改良腾冲红花油茶的种实经济性状，对面积较大的3个天然种群和6个人工种群样株的12个种实性状和指标的变异进行了分析。结果显示: 除果径在起源间无显著差异外，其余性状在起源间、起源内种群间及种群内单株间的变异均达到极显著水平，其方差分量为单株间＞起源内种源间＞起源间，不同性状相对变异程度有所不同。果实性状中果型与种子性状、产量性状呈显著或极显著负相关，其他性状与种子性状、产量性状呈显著或极显著正相关；种子性状与产量性状呈极显著正相关；果型、单果籽质量、出籽率、仁油率、籽油率及果油量是主要的遗传变异性状；果型、海拔与单位面积产油量呈显著负相关。提出了腾冲红花油茶群体和优株选择的主要指标和策略，为其可持续改良提供了科学依据。
- 腾冲红花油茶 /
- 果实性状 /
- 种子性状 /
- 含油量 /
- 种群 /
- 变异
Abstract: For the purpose of improving the fruit and seed traits by selection, 12 fruit and seed traits of sample trees from 3 natural stands and 6 artificial plantations with large size in Camellia reticulata L. were analyzed. The results showed that there were significant variations among genesis, seed sources and individual trees for all traits, except for diameters of fruit. The general rankings in percentage of variance component for different resources were individual, seed resource and genesis. The correlative coefficients between length against width of fruit and other seed traits, as well as oil content indices were negative significant. The correlative coefficients between seed traits and oil content indices were positive significant. The traits as length against width of fruit, seed weight per fruit, kernel ratio per seed, oil content per seed and oil content per fruit were with much higher variations for each resource and higher values for improvement by selection. There were significant negative correlations between length against width of fruit, elevation and oil content of fruit. The traits and strategy for selection in C.reticulata were suggested. Selection of populations and elite trees with higher value in tea-oil production potential should be much benefit for further development of tea-oil industry of C. reticulata in China.
- Camellia reticulata L. /
- fruit trait /
- seed trait /
- oil content /
- population /
- variation

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文章访问数: 2208
HTML全文浏览量: 167
PDF下载量: 68
被引次数: 34

腾冲红花油茶自然和人工种群种实性状变异研究

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出版历程

Variations of fruit and seed traits of natural and artificial populations in Camellia reticulata L

期刊类型引用(9)

其他类型引用(25)

计量

出版历程

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