Duanyuan grape cultivation originated in the Qing Dynasty and has a history of nearly 300 years. Duanyuan grape is famous in the country and Southeast Asia for its unique quality of “small grain fullness, bright color, less multi-core juice, moderate sweet and sour taste; refreshing and delicious, rich flavor; rickets and health, rich in nutrition”. Famous name. At present, the total planting area is more than 50,000 mu, and its registered “Dazhuang Brand Grape” has become a pollution-free and pollution-free premium green product in Anhui Province.

Duanyuan grapes have unique conditions for planting. Duanyuan grape growing area is located at the junction of warm temperate zone and subtropical zone. It is between 116o23′-117o02′ east longitude and 33o16′- 34o14′ north latitude. The ecological environment is superior and the climate type has the characteristics of north-south climate in China. It belongs to warm temperate semi-humid monsoon climate. The climate is mild, the four seasons are clear, and the light is abundant, which is very suitable for grape growth. It has formed a grape ecological community centered on Duanyuan and stretching for more than 40 kilometers. Grapes have a long history of planting in Duanyuan. It was recorded in the history of the Ming Dynasty in the 19th year of Jiajing (1540). The Qing Dynasty once listed grapes as one of the local fruit tree varieties. By the time of Qianlong's reign, the grapes had begun to take shape and was once classified as a court tribute. Among the tribute fruits, the grapes taste especially beautiful. In the writings of the Qing Dynasty, there are also: "The north of the earth, the south of the yellow water, the planting of the rose (grape)...". During his tenure as Xuzhou retailer, Duan Shuyun especially loved grapes. He visited Qingdao, Yantai and other places in Shandong Province several times, and grafted the local varieties and local varieties to produce new varieties, called rose scent. The new variety has large spikes, full granules, bright colors, red and purple, very cute, and it tastes sweet and delicious in the mouth, without any sour feeling. Local residents have planted rose scent, covering an area of ​​more than 300 acres. After continuous reproduction and gradually becoming a climate, the reputation is loud and loud, and the people are rich. Until now, rose scent is still the main variety of Duanyuan grape producing area, becoming the main product, deeply loved by merchants and consumers, and sold at home and abroad. Later, Duan Shuyun planted a grape with an elongated shape and a sweet taste. This is the horse milk grape. In the early years of the Republic of China, in the area of ​​Duanyuan, grape planting has grown to a scale of nearly a thousand acres.

Technical requirements for the quality of Duanyuan grape I. Variety of rose scent and its excellent system, Jufeng and its excellent system, Hutai No. 8, Xiahei, giant rose, drunken golden incense. 2. Site conditions The soil type is brown fluvo-aquic soil, the soil texture is sandy loam, the pH value is 7.5 to 8.0, the soil organic matter content is ≥1.2%, and the groundwater level is ≤0.75m. Third, cultivation management Seedling breeding: using cutting or grafting method, the rootstock is Beida. 2. 3. Colonization: Planting from early January to late March, the shelf density is ≤1600 per hectare, and the hedgerow density is ≤2700 per hectare. 4. Yield control: early maturing varieties ≤22500kg per hectare; medium-ripe varieties 22500kg to 30,000kg per hectare; late-maturing varieties ≤37500kg per hectare. 5. Fertilizer management: Apply ≥45000kg of decomposed organic fertilizer per hectare per year, and stop irrigation 10 days before harvest. 6. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 4. Harvested from late June to late September, when the soluble solid content of the fruit is ≥15%. V. Quality characteristics 1. Sensory characteristics: the ears are neat, the size of the fruit is uniform, the coloration is consistent, and the appearance presents the characteristics of the variety. 2. 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 the production of Duanyuan grape may apply to the Quality and Technical Supervision Bureau of Duji District, Huaibei City, Anhui Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Anhui Provincial Bureau of Quality and Technical Supervision and submitted to the General Administration of Quality Supervision, Inspection and Quarantine for approval. Announced. The inspection mechanism of Duanyuan Grape is selected by the Anhui Provincial Bureau of Quality and Technical Supervision in the inspection institutions that meet the qualification requirements.