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有限种群油松种子园的遗传多样性与交配系统

程祥 张梅 毛建丰 钮世辉 马俊 李伟 李悦

程祥, 张梅, 毛建丰, 钮世辉, 马俊, 李伟, 李悦. 有限种群油松种子园的遗传多样性与交配系统[J]. 北京林业大学学报, 2016, 38(9): 8-15. doi: 10.13332/j.1000-1522.20150486
引用本文: 程祥, 张梅, 毛建丰, 钮世辉, 马俊, 李伟, 李悦. 有限种群油松种子园的遗传多样性与交配系统[J]. 北京林业大学学报, 2016, 38(9): 8-15. doi: 10.13332/j.1000-1522.20150486
CHENG Xiang, ZHANG Mei, MAO Jian-feng, NIU Shi-hui, WU Jun, LI Wei, LI Yue. Gene diversity and mating system of Pinus tabuliformis in finite population seed orchard.[J]. Journal of Beijing Forestry University, 2016, 38(9): 8-15. doi: 10.13332/j.1000-1522.20150486
Citation: CHENG Xiang, ZHANG Mei, MAO Jian-feng, NIU Shi-hui, WU Jun, LI Wei, LI Yue. Gene diversity and mating system of Pinus tabuliformis in finite population seed orchard.[J]. Journal of Beijing Forestry University, 2016, 38(9): 8-15. doi: 10.13332/j.1000-1522.20150486

有限种群油松种子园的遗传多样性与交配系统

doi: 10.13332/j.1000-1522.20150486
基金项目: 

林业公益性行业科研专项(201104022)。

详细信息
    作者简介:

    程祥。主要研究方向:森林遗传学与针叶树遗传改良。Email:15117957898@163.com地址:100083北京市海淀区清华东路35号北京林业大学生物科学与技术学院。责任作者:李悦,博士,教授。主要研究方向:森林遗传学与针叶树遗传改良。Email:liyue@bjfu.edu.cn地址:同上。

    程祥。主要研究方向:森林遗传学与针叶树遗传改良。Email:15117957898@163.com地址:100083北京市海淀区清华东路35号北京林业大学生物科学与技术学院。责任作者:李悦,博士,教授。主要研究方向:森林遗传学与针叶树遗传改良。Email:liyue@bjfu.edu.cn地址:同上。

Gene diversity and mating system of Pinus tabuliformis in finite population seed orchard.

  • 摘要: 运用10对SSR引物对油松无性系种子园内3个配置区共63个无性系(无性系亲本之间有重复)及320个子代进行研究,选择第9配置区的亲子代群体进行固定配置与交配系统关系的研究。结果发现:有限种群固定配置油松种子园的无性系具有较高的遗传多样性,子代保留了亲本所有的等位基因,且子代群体的等位标记数多于亲本,说明子代与亲本具有同样高的遗传多样性,而且高于亲本;在分析第9配置区的交配系统时,在80%的置信度下,配置区内异交率达到了100%,这说明固定配置下油松种子园的交配系统以异交为主;邻居花粉距离(即距离小于7.07 m)传播的交配成功率为21.90%;传播距离40 m以内的交配成功率达到了71.43%,距离大于40 m的交配成功率达到了6.67%,说明固定配置区内的花粉空间传播范围比较均匀,花粉传播范围广泛。对于配置区间的基因交流研究,我们发现各配置区均有来自其他2个配置区不同程度上的花粉影响,说明各配置区间的基因交流相对充分。另外,我们发现种子园的外来花粉影响率达到了11.88%。

     

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出版历程
  • 收稿日期:  2015-12-11
  • 刊出日期:  2016-09-30

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