GA3 content the decreasing trend in the induction period of adventitious root primordia of mutant of P. tomentosaand and P. dakuanensis and the increasing trend in the expression period.

 
  • GA3含量在芽变毛白杨和大官杨不定根原基诱导期呈下降趋势,表达期呈上升趋势。
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