Chrysanthemum morifolium Ramat.belongs to Asteraceae is a perennial herbs which is known as one of the Four-Huaiqing Chinese medicines,but long-term nutrition reproduction causes serious viral infection resulting in decrease of yield and quality.In order to solve this problem,the technology system of virus-free and its rapid propagation of C.morifolium was established by our laboratory.On this basis,we took the first,second and third generations of TAV-free Chrysanthemum morifolium Ramat.‘Huaihuang'which wa...
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