Daozhen Scrophulariaceae is a well-known Chinese herbal medicine brand in Guizhou. Daozhen is the largest source of Scrophularia in Guizhou, and is also an important Scrophularia base in China. Scrophulariaceae is a large-scale medicinal material. The annual demand is large in the country. The annual production and sales volume of Dao Scrophularia accounts for about 1/6 of the country. Its brand and quality characteristics. It has an important influence in the Chinese herbal medicine market.

Daozhen Scrophularia sinensis is hard, not easy to break, and the section is black and shiny. Because of its outstanding quality characteristics, it is easy to be recognized by the purchaser in the market. The sales price per kilogram of the market sales price exceeds 12 yuan, which is generally higher than that of other regions. Participate in about 2 yuan. Daozhen Scrophulariaceae is a key development industry of the Daozhen County Government. It is also a traditional Chinese medicine modernization project supported by the Science and Technology Department of Guizhou Province. During the development of Scrophularia sinensis industry for many years, Dao Xuan Shen has received many attentions from all walks of life. In the media, Guizhou The daily newspapers, Xinhua News Agency, Zunyi Daily, Economic Information Times, Guizhou Metropolis Daily and other media in the province have repeatedly reported that the government has repeatedly introduced policies and provided funds to promote the standardization, industrialization, technology and enrichment of the people, and the Spark Program. In particular, the academic community's attention to Daozhen Scrophularia has attracted the attention of many people, as follows: Han Feng, Chen Yu, Mei Jiu Ming, etc., published in the first issue of "Agricultural Services" in 2010. Mode of cultivation effect u0026quot;. Li Ganbi, Yan Fei, Lu Junming, etc. published in the second issue of "Agricultural Technology Services" in 2010, "The effect of different cultivation densities and altitudes on the yield of Scrophularia sinensis". Zhang Xinyang, Deng Guoyun, etc. published in the first issue of "Agricultural Technology Services" in 2010, "Preliminary report on the effect of prevention and treatment of Radix Scrophulariae leaf blight." Li Liankang, Wu Jinzhong, Xie Shaoning, Qin Renyan, etc., in the 22nd issue of 2010, Anhui Agricultural Bulletin (the second half of the month), published "The analysis of meteorological conditions for the cultivation of Scrophularia sinensis in Daozhen County". Zhou Wen, Jiang Lin, Wang Xiaojuan, Tao Hong, Zheng Xikang , Hu Jiteng et al., published in the eighth issue of "Chinese herbal medicines" in 2012, "Study on HPLC fingerprints of Scrophulariaceae in Southwest China". Zhou Xiaoli published the development prospects and high-yield cultivation techniques of Daozhen Shangba Scrophularia in the first issue of Agricultural Technology Services in 2011. At present, Scrophulariaceae has been listed as a key Chinese herbal medicine variety during the 11th Five-Year Plan period, which has led to the development of agriculture, rural areas and farmers. In addition, the planting of Scrophularia sinensis is easy and the price is high.

Technical requirements for quality of Scrophularia sinensis. Scrophularia ningpoeni Hemsl. Second, the site conditions of the production area within the altitude of 1000m to 2000m. The soil type is yellow loam, sandy loam soil, soil organic matter content ≥1.0%, pH 5.5 to 7.5. Third, cultivation management Planting: Planting from mid-November to mid-February of the next year, the buds are propagated. 2. 3. Plant management: Flower buds are removed from the flower bud stage. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, harvest processing 1. Harvesting time: The roots were excavated in the middle and late November of the next year. 2. V. Quality characteristics 1. Sensory characteristics: conical, slightly thicker in the middle or thicker in the upper and lower, root length ≥6cm, diameter ≥1.5cm. The surface is grayish yellow or taupe, with obvious longitudinal grooves and transverse lenticels; the section is black and slightly shiny; with caramel gas, sweet and slightly bitter; soaked in water, the water is black in color. 2. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the scope of the production of Daozhen Scrophularia can submit an application for the use of the “Special Mark for Geographical Indication Products” to the Quality and Technical Supervision Bureau of Dao County, Guizhou Province, which will be reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing organization of Daozhen Scrophulariae is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.