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武华卫, 辜云杰, 陈建国, 高洁, 罗建勋. 川渝地区三年桐天然群体种实变异[J]. 四川林业科技, 2014, 35(1): 6-13. DOI: 10.16779/j.cnki.1003-5508.2014.01.002
引用本文: 武华卫, 辜云杰, 陈建国, 高洁, 罗建勋. 川渝地区三年桐天然群体种实变异[J]. 四川林业科技, 2014, 35(1): 6-13. DOI: 10.16779/j.cnki.1003-5508.2014.01.002
WU Hua-wei, GU Yun-jie, CHEN Jian-guo, GAO Jie, LUO Jian-xun. A Study of Variation of Seed Character in Natural Populations of Aleuvites fordii in Sichuan and Chongqing Areas[J]. Journal of Sichuan Forestry Science and Technology, 2014, 35(1): 6-13. DOI: 10.16779/j.cnki.1003-5508.2014.01.002
Citation: WU Hua-wei, GU Yun-jie, CHEN Jian-guo, GAO Jie, LUO Jian-xun. A Study of Variation of Seed Character in Natural Populations of Aleuvites fordii in Sichuan and Chongqing Areas[J]. Journal of Sichuan Forestry Science and Technology, 2014, 35(1): 6-13. DOI: 10.16779/j.cnki.1003-5508.2014.01.002

川渝地区三年桐天然群体种实变异

A Study of Variation of Seed Character in Natural Populations of Aleuvites fordii in Sichuan and Chongqing Areas

  • 摘要: 研究川渝地区12个有代表性的三年桐群体群体间和群体内的种实变异,对14个种实性状采用方差分析、多重比较、变异系数比较、重复力和相关分析等进行了统计分析。结果表明,三年桐种实性状在群体间和群体内均存在极其丰富的变异。种子的形态变异较果实稳定,各性状变异系数变幅为7.89%~28.54%。群体内性状分化系数平均变异为74.26%,群体间变化幅度为6.43%~74.93%,平均性状分化系数为25.74%,群体内变异高于群体间。

     

    Abstract: Researches were conducted on the inter-population and intra-population variation of seeds of 12 representative natural Aleuvites fordii populations in Sichuan and Chongqing areas. Ststistical analysis such as variance analysis,multiple comparison,variation coefficient comparison,repeatability comparison and correlation analysis were adopted to explore the character of fourteen kinds of seeds. The results showed that the intraspecific seed character of inter-population and intra-population of Aleuvites fordii had plentiful variations. The variation of seed morphology was more stable than that of fruit morphology. The variation coefficient of seed morphology ranged from 6.43% to 74.93%, with the average of 25.74%, which showed that variation of intra-population(74.26%) was higher than that of inter-population.

     

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