Wiesner reactions of white parts in mottled red stems of transgenic plants displayed typical purple red like untransformed plants, while that of red-brown parts showed red color, which more testified the relationship of lignin content with stem color in transgenic plant.

  • 茎杆为红褐色斑块的株系中,红褐色部分的Wiesner反应呈红色,白色部分与对照相同,呈典型紫红色,进一步证明颜色改变与转基因株系木质素含量的关系。

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