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Bulletin of Botanical Research ›› 2014, Vol. 34 ›› Issue (4): 485-491.doi: 10.7525/j.issn.1673-5102.2014.04.010

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Logistic Model Building of Seedling Growth Traits in Transgene Populus simonii×P.nigra Clones Carrying TaLEA Gene

LIU Meng-Ran;BIAN Xiu-Yan;MA Wen-Jun;SHAO Long-Ting;YAO Li-Xin;MENG Bing-Nan;LIU Gui-Feng;ZHAO Xi-Yang*   

  1. 1.State Key Laboratory of Tree Genetics and Breeding,Northeast Forestry University,Harbin 150040;2.Research Institute of Forestry,Chinese Academy of Forestry,Key Laboratory of Tree Breeding and Cultivation,State Forestry Administration,Beijing 100091;3.Beijing Municipal Gardens Bureau,Beijing 100029
  • Received:1900-01-01 Revised:1900-01-01 Online:2014-07-20 Published:2014-07-20
  • Contact: ZHAO Xi-Yang
  • Supported by:

Abstract: A total of 10 transgene and one control Populus simonii×P.nigra clones were used to investigate and analyze the variation of growth curve of tree height and basic diameter. The result showed that tree height and basic diameter growth process curve accord with “S” shape. The coefficient of Logistic model was higher than 0.9 which indicated that the function of the model was effective. There were remarkable differences within different variation sources between the tree height and basic diameter of different clones (P<0.01). The average rapid growth last for 44 d for tree height and 70 d for basic diameter, respectively. The average increments during rapid growth period were 1.85 cm and 0.99 mm for tree height and basic diameter, respectively. There were remarkably positive correlation coefficients between tree height, basic diameter, average increment during rapid growth period and average increment each day during rapid growth period. XL-1 and XL-9 grew fast, tree heights (basic diameters) were 16.73%(32.82%) and 10.92%(22.68%) higher than control, respectively, which indicated transgene remarkably affect tree growth and this research can provide fundamental basis for future research.

Key words: TaLEA, transgene, Logistic, model, variation

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