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《Journal of Beijing Forestry University》 2009-02
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Improving rooting ability and growth rate of Populus alba by introduction of rolB/pttGA20ox double genes.

LI Wei~1;LI Hui~1;CHEN Xiao-yang~2.1 Key Laboratory for Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education,Beijing Forestry University,100083,P.R.China;2 College of Forestry,South China Agricultural University,Guangzhou,200064,P.R.China.  
To improve cutting rooting ability and growth rate,rolB gene and pttGA20ox gene were transferred into Populus alba.Four transgenic clones were obtained and named GR1-GR4.PCR and Southern analyses confirmed that all the transgenic clones contained those two genes.The in vitro results showed that the morphology characters of all the transgenic clones combined the good traits triggered by the expression of rolB and pttGA20ox genes in other plants respectively.On rooting ability,the root initiation time of transgenic clones was about 3 days ahead of control,the number and length of the roots were also greatly surpassed the control.On height growth,the growth rate of transgenic clones was much fast than that of control and the significance of difference reached extreme level.
【Fund】: 教育部科学技术研究重点项目(01028)
【CateGory Index】: S792.11
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【Citations】
Chinese Journal Full-text Database 4 Hits
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