"Sizhou Pomelo" is a variety of Wendan pomelo. The planting area is in the territory of Qionggong County, Guizhou Province. It has an oval shape and a single fruit weighing 2-3 kg. The skin is thin, smooth and pale yellow. The flesh is thick, crispy and juicy, with 5-7 seeds per petal, full of flavor and slightly acidic. The fruit matures in November and is rich in potassium, calcium, iron, selenium, zinc, vitamin C, vitamin B and other trace elements. It is a good food and processed beverage.

Sizhou Wendan Pomelo is a specialty of Qigong County, Guizhou Province. The planting area of ​​Wendan pomelo in Gonggong County has reached more than 20,000 mu, making it the largest Wendan pomelo planting base in Southwest China. Sizhou Wendan pomelo, fruit oval, single fruit weighing 2-3 kg, thin skin, smooth surface, pale yellow. The flesh is thick, crispy and juicy, with 5-7 seeds per petal, full of flavor and slightly acidic. The fruit matures in November and is rich in potassium, calcium, iron, selenium, zinc, vitamin C, vitamin B and other trace elements. It is a good food and processed beverage. Different from other pomelo products, the biggest advantage is fresh food, crisp meat, easy peeling and peeling of the flesh, no odor, and storage resistance. Sizhou Wendan Pomelo was awarded the title of Guizhou Famous Brand Agricultural Products in November 2004. In December 2007, it won the Gold Award of China International Forestry Industry Expo and the honor of Olympic recommended fruit. In the production, the production of bagged bags was strictly carried out in accordance with the technology of pollution-free agricultural products. In April 2008, the mark of pollution-free agricultural products was obtained, and the development of green food and organic food was gradually carried out. At present, the area of ​​planting fruit in the county is 12,800 mu, which is mainly distributed in the low altitude (below 550 meters) areas such as Siyang, Gongxi and Longtian on the banks of the Longjiang River. There are a few plants in Dayou and Kaiben.

Sizhou pomelo quality technical requirements I. Variety Wendan pomelo. Second, site conditions Soil type red soil, soil thickness ≥ 1m, organic matter content u003e 2%, pH value 5.0 to 6.5, groundwater level below 1m. Third, cultivation management 1, seedling cultivation: the local two-year-old bitter grapefruit or acid pomelo seedlings as rootstock for grafting and breeding. 2, colonization: planting time autumn planting in September to November, spring planting in February to March. The planting density is ≤600 plants per hectare. 3, flower and fruit management: the ratio of leaf to fruit is 200 ~ 300:1. 4, fertilization: based on organic fertilizer, the annual application of decomposed organic fertilizer ≥ 3000kg / hm2. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 4. Harvesting After the end of October, the color change area of ​​the peel is ≥3/4 and harvested in stages. V. Quality characteristics 1. Sensory characteristics: The fruit shape is flat round or high flat round, the peel is light yellow, the flesh is thick and beige, crisp and juicy, with sweet and slightly sweet, rich flavor; no seed or less Seed; flesh is easy to peel off and not stained. 2. Physical and chemical indicators: soluble solid content ≥10%; total acidity (calculated as citric acid) ≤0.95%, solid acid ratio ≥11; single fruit weight 1200g to 2600g. 3. Safety requirements 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 area of ​​Sizhou Pome can submit an application to the Qigong County Market Supervision Administration for the use of the “Special Mark for Geographical Indication Products”, 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 agency of Sizhou Pomelo is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.