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Occurrence laws of gentiana spot blight and effect the quality of medicine

MA-Ling1,WANG-Baoqiu2,XIE-Jiaquan2, JIANG-Bo2,MA-Wei2 1.Heilongjiang Uiversity of Chinese Medicine,Harbin,Heilongjiang 150040 ,China;2.North East Forest University, Harbin,Heilongjiang 150040,China  
In recent years, Gentiana spot blight is the most important disease of Chinese herbal medicines gentian. In this paper, we will discuss the Gentiana spot blight pathogens, disease symptoms, Occurrence Laws ,and the incidence of a related study, and the results show that the spot blight Gentiana will cause production decline, and this decline will be in serious condition when there are more obvious manifestations, but also in the quality of medicine.
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