The generous ball is semi-summer with a spherical shape, white or light yellow on the surface, with concave stem marks on the top, densely covered with punctiform root marks; the bottom is obtuse and smooth. The material is solid, the section is white, and the powder is rich. Odorless, spicy, numb and throat. It has the functions of dampness and phlegm, and stomach vomiting.

[Landmark Geography] Dafang County is located in the northwestern part of Guizhou Province, in the middle of the Bijie area, on the north bank of the Liuchong River, the tributary of the Wujiang River, and the western end of the Dagu Mountain. It is located in the transitional slope of the northwestern plateau to the original hills of the Central Plains. It belongs to the type of Zhongshan geomorphology, and most of the county's elevation is between 1400 and 1900 meters. Dafang County has a wide distribution of carbonate karst, complex development of karst landforms, and obvious karst topography, forming a karst ecological environment with special morphological types. The karst landforms are diverse, including stone buds, depressions, falling water caves, dark caves, karst skylights, Tianshengqiao, etc. It is one of the most typical areas of karst development in the world, and is known as the “Kingdom Kingdom”. From the perspective of altitude, the elevation of Dafang County is between 1400 and 1900m, and its altitude and other factors form unique climatic conditions. The growth of Pinellia ternata is mainly from April to July, which is the main precipitation period in Dafang County. It can provide sufficient water for the growth of Pinellia ternata and is also suitable for the growth of Pinellia ternata. In general, the climate of Dafang County is characterized by rainy days, foggy days, less sunshine, and high humidity, which is very suitable for the growth of Pinellia ternata. At the same time, most of the soil in Dafang County is loose and fertile, light in texture, permeable to water and permeable, and there are not many soils with high acidity. The soil structure is good, acid and ventilated, and most of the land has a certain slope and is easy to drain. It is very suitable for planting in Pinellia ternata. need. These environmental factors together constitute the best growing environment for Pinellia. [Culture Background] Dafang County has a long history and a rich collection of humanities. In the Zhou Dynasty, the Yelang Kingdom, the Three Kingdoms was sealed by the Shu Kingdom as the Kingdom of Luodian, the Song Dynasty gave the Luo Shi ghost master, the Yuan Dynasty set the Shunyuan Xuanfu Division, the Ming Dynasty led the Guizhou Xuanwei, and built the county in the Ming Chongzhen years. In the five years of the reign of Emperor Kangxi, Dading County was established. In the three years of the Republic of China, Dading County was established. In 1958, it was renamed Dafang County by the State Council. The Dafangwuhua Tianbao is rich in treasures. 19 kinds of mineral resources such as coal and pyrite are abundant in reserves, and it is one of the 200 key coal-producing counties in China. The quality of agricultural and sideline products is large. Raw lacquer and lacquerware have a long history of production and are known throughout the country. The generous Chinese herbal medicines are also famous in history, and the generous round beads are famous medicinal herbs. Dafang County, Guizhou Province is a wild P. chinensis producing area in history. It is also one of the important production areas of Pinellia in China. There are still wild germplasm resources, and there are a variety of leaf-shaped Pinellia distribution. The generous round bead has a long history of medicinal use. It is a famous Chinese medicine commonly used in China. It is also a famous ancient medicinal material and an important national medicine. The generous ball of Pinellia ternata is famous for its excellent quality and is exempted from inspection. It has been in the history of Japan. The court tribute treasures, its large color white, the powder is heavy, one side concave, white, brown eyes obvious, the other side is hemispherical. Exporting overseas is called "beaded pinellia". The generous ball of Pinellia occupies an important position in the history of China's Pinellia planting and has its advantages. [Cultural accumulation] Pinellia, which was first published in the "Shen Nong's Herbal Classic", has been included in the past generations of herbal medicine. In the mid-summer, the Pinellia ternata, which is planted or wildly collected in Dafang County, Guizhou Province, is a dry tuber of Pinellia ternata (Thunb. Breit.), which is sourced from Dafang County, planted and Processing follows the relevant technical specifications. According to the "Guizhou Traditional Chinese Medicine Resources", Pinellia has the most generous production. Around 1977, some sporadic families were developed in the generous. Its best suitable area is the generosity of Zhongshan Mountain hills in northwest Yunnan. In the latter half of the summer, he was awarded the title of “Top Ten Famous Medicines in Guizhou” and enjoyed special exemption from “exemption from inspection” in Japan, a major exporter. According to "Guizhou Resources (Second Episode)": Beads in the summer, the "Shufuzi", which was widely distributed in the Syrian government before the liberation, mainly has the wild Pinellia produced in Guizhou. The processed Pinellia has the characteristics of “granular round, white and lustrous, strict classification” and is also called “beaded Pinellia” or “Pearl Pinellia”. In the book "Introduction to Kampo Medicine" in Japan, Pinellia is listed as the main representative product under the category of "Main Producer of Main Chinese Medicine" in Guizhou Province. ...... The Dafang County, Guizhou Province, the ball of Pinellia ternata as an import-free drug, to the generous ball of Pinellia with a very high trust. According to the "Ding Ding Fu Zhi" in the Qing Daoguang years, the generous production of Pinellia in the Qing Dynasty. During the Republic of China, "Da Ding County" contained a large amount of Pinellia in the Republic of China. Pinellia in Dafang County belongs to the dryland of Pinellia, and its quality is superior quality products at home and abroad. According to "Dafang County Health Journal (1910-2000)", in 1991, Beijing and Zhejiang Institute of Traditional Chinese Medicine made a special trip to Dafang County to inspect and purchase dozens of kilograms of seeds to bring back scientific research. The main producing area at that time was Dashuijing, Lihua County, Dafang County. Drug field. According to the "Compilation of General Information on Chinese Medicine Resources in Bijie Prefecture, Guizhou Province", Pinellia ternata is famous as a high-quality "medical material" and exported to the Qing Dynasty. During the Republic of China, the export increased slightly. After the liberation, it was exported by Guizhou Pharmaceutical Company. , exported to foreign countries.

The technical requirements for the quality of the generous ball of Pinellia ternata I. The source of Pinellia ternata (Tinna ternata (Thunb.) Breit.). 2. Mountain deciduous broad-leaved forest, broad-needle mixed forest, mixed bamboo and shrub forest, with a shade of 50% to 75% at an altitude of 760 to 2,000 meters. The soil type is mountain yellow brown soil and yellow sand soil, and the soil texture is sandy loam. The pH is 4.5 to 6.5 and the soil organic matter content is 21 mg/kg to 35 mg/kg. Third, planting management 1. Source management: The seed source must come from the wild local wild ball of Pinellia ternata, or the ball-shaped Pinellia tuber or bead bud after cultivation with local seeds. Do not use exotic species. 2. (2) Bead bud propagation: Seed buds of 0.3 to 1 cm in diameter are used for planting. 3. Planting: (1) Planting time: mid-March in the middle of each year. (2) Planting density: using strips, the plant spacing is 2 cm to 5 cm, and the planting amount is about 75 kg to 100 kg per 667 m2 (mu), and 50,000 plants are planted. (3) Fertilization is carried out using organic fertilizers such as decomposed farmyard manure before planting. (4) Management: 1 Weeding: After the seedlings are out, the weeds should be removed in time. 2 Topdressing: 3 to 4 times of topdressing, the first time in mid-April, the mid-summer seedlings are released, 10Kg of nitrogen fertilizer is applied per 667m2 (mu); the second is applied every 667m2 (mu) in late May. Potassium dihydrogen phosphate 1.2Kg; the third time after the fall of the seedlings in August, every 10 days with 1:10 human manure water poured once until the second emergence; the fourth time in early September, every 667m2 (mu) 20 kg of superphosphate and 10 kg of urea were applied. 3 picking buds: The flower buds extracted from the Pinellia ternata should be removed at any time. 4 soil: 1 time in July and July, each soil is about 1.5 cm to 2 cm thick, covering the beads and seeds. 5 Irrigation drainage: Pinellia is wet and afraid of drought. 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. 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. V. Quality characteristics 1. Sensory features: grain round, large, white, brown eyes, solid texture, powdery foot, spicy, tingling throat. 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 generous production area of ​​Dafang Beads may submit an application to the Dafang Entry-Exit Inspection and Quarantine Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Guizhou Entry-Exit Inspection and Quarantine Bureau and reported to the AQSIQ for approval. . The statutory testing agency for the generous ball of Pinellia is designated by the Guizhou Entry-Exit Inspection and Quarantine Bureau.