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The roots of Scutellaria baicalensis are a major traditional Chinese medicine. We report research on induction, characteristics and chemical analysis of polyploid plants of S. baicalensis. Immersing calluses in 0.2% colchicine solution for 12 h prior to culture induced a high number of tetraploid plants. The induction rate reached as high as 40% of treated calluses. More than 50 lines of tetraploid...
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