In vitro production and identification of autotetraploids of Scutellaria baicalensis
2002
Gao, S.L. | Chen, BJ. | Zhu, D.N.
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 plants were obtained. All tetraploid plants showed typical polyploidy characteristics. Twenty selected tetraploid lines were transferred to the field for determination of morphological characteristics and for chemical assays. Seven elite lines have been selected for further selection and breeding into new varieties for commercial production.
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