The blood orange fruit is larger: the single fruit is generally around 150-200 grams. The flesh is unique in color: the flesh is purple-red, with bright color and rich flavor (rose incense).

After the protection, the output value is only 120 million yuan before protection. After the protection, the production and sales of Zizhong blood oranges have reached a new level. The county has planted nearly 150,000 mu of blood oranges, with an annual output of nearly 80,000 tons and an output value of 500 million yuan. Product Awards Zizhong Blood Orange won the Gold Medal of the Second China Agricultural Expo in October 1995 and won the “Famous Brand Product” of Kunming World Expo in 1999. In March 2004, Zizhong County was awarded the title of “Hometown of Chinese Blood Orange” by the China Economic Forest Association. In 2004, it was awarded the pollution-free product certification of the Ministry of Agriculture. In 2005, Zizhong County “Zizhong Blood Orange” Association won the provincial “Top 100 Association”, 2005 The "Blood Orange Introduction Experiment, Demonstration Research and Product Promotion" project won the second prize of Neijiang Municipal People's Government for scientific and technological progress. In 2007, he won the title of Sichuan Famous Brand Agricultural Products and the Best Selling Product Award of the 8th China Western International Expo in 2007. In 2008, it was named as a national standardization demonstration park by the National Standardization Committee.

Technical requirements for the quality of Zizhong Blood Orange (1) Variety. Tarocco. (2) Site conditions. The soil type is purple soil, the soil texture is loam or sandy loam, the soil depth is more than 60cm, the soil pH is 5.5 to 7, and the organic matter content is ≥1.2%. The water table is below 100cm. (3) Cultivation management. 1. Seedlings: Use orange as a rootstock to collect scion on the excellent female tree for grafting and breeding. 2. Colonization: (1) Time: Spring is in the middle of February to mid-October, and container seedlings and soil transplanting are not subject to seasonal restrictions. (2) Density: The number of plants per hectare is ≤1600. 3. Flower and fruit management: The amount of fruit retained is ≤45 tons/ha. 4. Pruning: The combination of winter pruning and summer and autumn pruning ensures that the canopy is ventilated and light. 5. Fertilization: Apply ≥25 tons of decomposed organic fertilizer per hectare per year, and apply 3,000 tons of chemical fertilizer per hectare per year. 6. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting period. From late December to March. (5) Quality characteristics. 1. Sensory characteristics: The peel is bright, light purple, crisp, thin and smooth; the flesh is crisp and slag, with purple-red bloodshot and rose scent. 2. Physical and chemical indicators: project indicators soluble solids ≥ 12.5 edible rate, % ≥ 80.0 fruit transverse diameter, (mm) 60-753. Safety requirements: product safety indicators must meet the relevant provisions of the state for similar products.

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Producers within the scope of protection of the Zizhong Blood Orange Geographical Indication Products can apply for the use of the “Special Mark for Geographical Indication Products” by the Quality and Technical Supervision Bureau of Zizhong County, Neijiang City, Sichuan Province, and be examined by the Sichuan Quality and Technical Supervision Bureau. The General Administration announced the approval. The statutory testing agency for Zizhong Blood Orange is designated by the Sichuan Provincial Bureau of Quality and Technical Supervision.