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油松×云南松杂种与亲本种和高山松的光合特性比较

高琼, 王维有, 孟景祥, 刘灏, 邢震, 毛建丰, 王晓茹, 李悦

高琼, 王维有, 孟景祥, 刘灏, 邢震, 毛建丰, 王晓茹, 李悦. 油松×云南松杂种与亲本种和高山松的光合特性比较[J]. 北京林业大学学报, 2016, 38(2): 37-43. DOI: 10.13332/j.1000-1522.20140477
引用本文: 高琼, 王维有, 孟景祥, 刘灏, 邢震, 毛建丰, 王晓茹, 李悦. 油松×云南松杂种与亲本种和高山松的光合特性比较[J]. 北京林业大学学报, 2016, 38(2): 37-43. DOI: 10.13332/j.1000-1522.20140477
GAO Qiong, WANG Wei-you, MENG Jing-xiang, LIU Hao, XING Zhen, MAO Jian-feng, WANG Xiao-ru, LI Yue. Comparison of the photosynthetic characteristics of hybrid and parental species of Pinus tabuliformis×P. yunnanensis and P. densata[J]. Journal of Beijing Forestry University, 2016, 38(2): 37-43. DOI: 10.13332/j.1000-1522.20140477
Citation: GAO Qiong, WANG Wei-you, MENG Jing-xiang, LIU Hao, XING Zhen, MAO Jian-feng, WANG Xiao-ru, LI Yue. Comparison of the photosynthetic characteristics of hybrid and parental species of Pinus tabuliformis×P. yunnanensis and P. densata[J]. Journal of Beijing Forestry University, 2016, 38(2): 37-43. DOI: 10.13332/j.1000-1522.20140477

油松×云南松杂种与亲本种和高山松的光合特性比较

基金项目: 

林业公益性行业科研专项(201104022)、国家自然科学基金项目(C161001)、国家基础科学人才培养基金项目(J1103516)。

详细信息
    作者简介:

    高琼,博士,副教授。主要研究方向:森林遗传学。Emai:bjfugq@bjfu.edu.cn 地址:100083北京市海淀区清华东路35号北京林业大学162信箱。责任作者: 李悦,教授,博士生导师。主要研究方向:生物技术与林木遗传育种。Email:liyue@bjfu.edu.cn 地址:同上。

    高琼,博士,副教授。主要研究方向:森林遗传学。Emai:bjfugq@bjfu.edu.cn 地址:100083北京市海淀区清华东路35号北京林业大学162信箱。责任作者: 李悦,教授,博士生导师。主要研究方向:生物技术与林木遗传育种。Email:liyue@bjfu.edu.cn 地址:同上。

Comparison of the photosynthetic characteristics of hybrid and parental species of Pinus tabuliformis×P. yunnanensis and P. densata

  • 摘要: 为从光合生理角度探究高山松是油松及云南松高世代杂交后代的证据,以油松、云南松、油松×云南松杂种子一代为材料,以天然高山松为对照,利用Li-6400光合仪对亲本、杂交后代和对照的光合速率、气孔导度、蒸腾速率等光合性能指标进行测定,并对它们的光饱和点和光补偿点进行估算。结果表明:1)高山松以及油松×云南松杂种对光强的利用范围比油松、云南松更广;2)与亲本的最大净光合速率相比,油松×云南松表现出杂种优势;3)与亲本相比,高山松和油松×云南松的气孔导度均偏低,且下降相对缓慢;4)油松×云南松的蒸腾速率受父本遗传影响明显,且与高山松表现相似。5)油松×云南松不同杂交组合的生长指标有一定幅度变异,但平均生长水平与云南松和高山松接近。
    Abstract: The aim of this study was to explore the evidence that Pinus densata is the advanced generation hybrid descendant of Pinus tabuliformis and Pinus yunnanensis from the prospective of photosynthetic physiology. The photosynthetic performance indicators such as photosynthetic rate, stomatal conductance and transpiration rate of parental species (P. tabuliformis and P. yunnanensis), hybrid descendant and the contral (natural P. densata) were measured with Li-6400 photosynthetic apparatus. Moreover, light saturation point and light compensation point of them were estimated. Findings show that: 1) the utilization scope of light intensity of P. densata and hybrid of P. tabuliformis×P. yunnanensis is more extensive than that of P. tabuliformis and P. yunnanensis. 2) Compared with the maximum net photosynthetic rate of parental species, hybrid of P. tabuliformis×P. yunnanensis shows hybrid vigor. 3) Compared with parental species, the stomatal conductance of P. densata and hybrid of P. tabuliformis×P. yunnanensis is lower and declines slowly. 4) The transpiration rate of hybrid of P. tabuliformis×P. yunnanensis is obviously influenced by parental species, which is similar to the performance of Pinus densata. 5) The growth indicators between different combinations of hybridization of P. tabuliformis×P. yunnanensis vary to certain extent, while the average level of growth of the hybrids is close to that of P. densata and P. Yunnanensis. Above results from the perspectives of photosynthetic physiology and vegetative adaptability provide advantageous basis to support the fact that P. densata is the generation of P. tabuliformis×P. yunnanensis and evolves into unique species in particular habitat at high elevations.
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出版历程
  • 收稿日期:  2014-12-24
  • 修回日期:  2015-02-01
  • 发布日期:  2016-02-28

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