Pinellia ternata is a dry tubers of Pinellia ternata in Pinellia ternata, also known as medlar, three-leaf and mid-summer. It is a commonly used traditional Chinese medicine. It has the effects of dampness and phlegm, lowering vomiting, reducing swelling and dispersing. In recent years, it has been planted in Guizhou, Sichuan, Chongqing and other provinces and cities. Hezhang County is the main producing area of ​​Pinellia ternata in Guizhou Province. It has more than 20 years of artificial cultivation of Pinellia history, including Hezhang County. 80% of the farmers in Hezhen Township are planting Pinellia, and the planting scale has reached more than 135 hectares.

The landforms of Hezhang County are typical karst landforms, and the ecological environment is specific. In order to control the karst ecological environment and develop Chinese herbal medicines, the Ministry of Science and Technology issued the Science and Technology Support Project in 2007, “Key Environmental Protection of Plants in Karst Mountain Areas and Development of Plant Chinese Herbal Medicines”. As the main Chinese herbal medicine for the key development of karst area, Pinellia has established a semi-summer standardized planting demonstration base in Hezhen Township, Hezhang County, Guizhou Province, which is suitable for Pinellia cultivation, in order to ensure the quality of its products. Production situation The planting area of ​​Pinellia is gradually expanding every year in our district. Hezhang County planted about 30,000 acres of Pinellia in 2010, nearly 40,000 acres in 2011, and the yield and quality of Hezhang's Pinellia has a certain leading position in the country. In 2010, Hezhang's mid-summer production reached more than 900 tons, accounting for about 25% of the market share, accounting for about 12% of Hezhang County's total agricultural output value. According to the survey, the demand for Pinellia in the whole country (including exports) in 2010 was about 7,000 tons, but the market in the summer is less than 4,000 tons, the gap is huge, and the demand for Pinellia is increasing every year.

Hezhang mid-summer quality technical requirements First, the source of Pinellia ternata (Pinus ternate (thuhb) breit). Second, the site conditions The altitude of the production area is 1700 to 1900m; the soil type is yellow brown soil, yellow soil, purple soil. The soil pH is 4.5 to 7.0, and the soil organic matter is ≥1%. Third, cultivation techniques Selection: Pinellia sinensis and Pinellia sinensis in wild or excavated land in Hezhang. 2. In order to keep the various balls rot in the soil, it is not recommended to stay in the original breeding ground for winter. 3. Seed quality: Pinellia bulbs or plant buds are used for propagule seed, requiring purity ≥90%, clarity ≥90%, germination rate ≥85%. Sowing: From the end of February to the end of March each year, using strips, the plant spacing is 2cm to 5cm, and the amount of planting is about 75kg to 100kg per 667m2 (mu), planting ≤50000 plants. 5. Fertilization and topdressing: Fertilization is carried out using organic fertilizers such as decomposed farmyard manure. The application amount of organic fertilizer per hectare is 750kg to 1000kg. 6. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, harvesting processing Harvest: harvested when the soil is dry from the end of August to September; the processing of medicinal materials with a diameter of 1cm or more is selected. 2. Five, quality characteristics Sensory features: grain round, moderate, brown eyes, solid texture, powdery foot, spicy taste, tingling throat. 2. According to the size, it is divided into the following grade specifications: Item Index Grade A 12mm or more Grade B 10-12mm 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of Hezhang's Pinellia production area may apply to the Hezhang County Quality and Technical Supervision Bureau of Guizhou Province for the use of the “Special Mark for Geographical Indication Products”, which is reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision and reported to the AQSIQ for approval. Announced. The statutory testing agency of Hezhang Pinellia is designated by the Guizhou Provincial Bureau of Quality and Technical Supervision.