Objective: To make initial identification on Isatis Indigotica Somatic Clones' resistant mutant.
Methods: The resistant plants were selected under the treatment of root-rot disease crude toxin. The DNA of the same clones and their parents were analysed by RAPD technology.
Results: We got initial resistance of the plants and selected 12 primers of which most were identical but the less were different. The genetic background of the somatic clones was identical but the individuals were mutated on the DNA level.
Conclusion: It provides experimental foundation for further study on separating resistant mutant and resistant gene.
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