Yanyuan County is blessed with natural light and natural conditions and the original ecological environment without pollution. It has been nurturing the "salt source apple" with pollution-free, thick color, rich aroma, crisp meat, juicy and refreshing, and a large shape. The surface is clean, the content of soluble solids is high, and the mature market has the characteristics of high-altitude apples. It enjoys high reputation at home and abroad.

Product Features The climate of “Yanyuan Apple” cultivation area is affected by the southwest monsoon climate. It has many sunshine, semi-arid and cold highland climate characteristics, four distinct seasons, small annual temperature difference and large daily temperature difference. The annual frost-free period is long, the winter and spring are dry, the summer and autumn rainfall is concentrated, the rain and heat are in the same season, the sunshine is sufficient, and the three-dimensional climate is typical. The annual average temperature in the zone is 12.5 °C, the average temperature in January is 5.1 °C, the average temperature in July-August is 17.5-18.2 °C, the annual sunshine is 2571 hours, the frost-free period is 209 days, and the annual rainfall is 822.9 mm. The relative humidity of the air is more than 60%, the annual evaporation is 2352 mm, and the sunshine rate of the apple coloring period is above 65%. In the ripening of apples, the temperature difference between day and night is large, and the temperature difference between day and night in August and October is 15-20 °C, which is conducive to the accumulation of apple sugar, which is in line with the requirements of the Ministry of Agriculture's advantageous apple regional layout planning and ecological indicators. It is recognized by Chinese and foreign experts as the world's apple eugenic area. Yanyuan County is blessed with natural light and natural conditions and the original ecological environment without pollution. It has been nurturing the "salt source apple" with pollution-free, thick color, rich aroma, crisp meat, juicy and refreshing, and a large shape. The surface is clean, the content of soluble solids is high, and the mature market has the characteristics of high-altitude apples. It enjoys high reputation at home and abroad. Product Awards In 1989, Red Star Apple won the Ministry of Agriculture Quality Agricultural Products Award, Red Fuji and Golden Delicious Apple won the Sichuan Provincial Quality Fruit Award. In 1995, Yanyuan Hongyue and Changfu No. 2 apples won silver and bronze prizes respectively at the 2nd China Agricultural Expo. In 1996, three registered trademark brands (Jinfu, Jinxing, and Mengjie Lake) were awarded the “Green Food” certificate by the Ministry of Agriculture. In 1999, Yanyuan New Red Star, Red Fuji and Hongyue Apple were rated as Sichuan Famous Fruits. In 2001, Yanyuan New Red Star Apple was recognized as a famous brand product at China International Agricultural Expo. In 2002, it was named as the first batch of high-quality apple bases in Sichuan Province by the Sichuan Provincial Department of Agriculture. In the same year, Yanyuan Red Fuji, Hongyue and Red Star were recognized as famous products by the Western Agricultural Expo. In 2005, Red Fuji was awarded the Silver Award at the 2nd West Expo, and Yanyuan Apple Clear Juice won the Silver Award of the Western China Agricultural Fair. In 2007, it was certified by the Agriculture Department's pollution-free apple production base. In 2008, it was certified by the Ministry of Agriculture for pollution-free apple products. In the same year, Red Moon Apple was awarded the most popular exhibit award at the 9th Western International Expo. In 2009, at the Western China International Agricultural Products Fair, Yanyuan Red Fuji was awarded the best-selling product award, and Apple Juice was awarded the Sichuan Famous Brand Product Certification. In 2010, Shanghai won the World Expo Consumers' Favorite Product Award.

Quality technical requirements for salt source apples (1) Variety. Red Fuji series, Golden Crown series. (2) Site conditions. The soil area is 2300 to 2600 meters above sea level. The soil type is alluvial red soil, mountain red soil and purple soil. The soil texture is sandy soil and loam. The pH value is 6.4 to 7.2, and the organic matter content is ≥2.1%. (3) Cultivation management. 1. Seedling reproduction: Take the Lijiangshan stator as the rootstock, collect the scion from the mother plant without quarantine pests and diseases for grafting and breeding. 2. Colonization: (1) Planting time: Spring planting: 2 to 3 months, autumn planting: planting from October to November. (2) Planting density: dwarf anvil ≤ 1665 per hectare, Qiaohua anvil ≤ 900 per hectare 3. Plastic pruning: winter pruning combined with summer pruning to ensure the canopy ventilation and light transmission. The amount of retained branches per mu is ≤90,000. 4. Fertilization: mainly organic fertilizer, ≥45 tons per hectare of organic fertilizer applied per year, and the total nitrogen applied is ≤600 kg. 5. Flower and fruit management: When fruit is thinned, the single fruit is retained, and the yield per hectare is ≤60000 kg. 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. 1. Fuji series: Early-maturing Fuji varieties (red generals, etc.) are harvested from late August to mid-September; red Fuji varieties are harvested from late September to late October. 2. Golden Crown Series: Harvested from early August to late September. (5) Quality characteristics. 1. Sensory features: (1) Fuji series: the fruit is oblong, the fruit is red or bright red, and the color is red or red. Early-maturing Fuji varieties (red generals, etc.), fruit coloring ≥ 80%; Red Fuji, fruit coloring ≥ 80%. The flesh is yellowish white, fine in flesh, dense, crunchy, juicy, and unique in flavor. (2) Golden crown series: fruit conical, fruit surface yellow, green yellow (partial sun with red faint), flesh yellow-white, fine meat, dense, crisp, juicy, moderate sweet and sour. 2. Physical and chemical indicators: (1) Fuji series: Red general soluble solids ≥ 12.5%, total acid ≤ 0.4%, hardness ≥ 9kg / cm2, fruit ≥ 150 grams; Red Fuji soluble solids ≥ 15%, total acid ≤ 0.33 %, hardness ≥ 9kg / cm2, fruit ≥ 150 grams. (2) Golden crown series: soluble solids ≥ 12%, total acid ≤ 0.4%, 7 hardness ≥ 7.2kg / cm2, fruit ≥ 140 grams. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

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The producers within the scope of protection of the geographical indication products of Yanyuan Apple may submit an application to the Quality and Technical Supervision Bureau of Yanyuan County of Sichuan Province for the use of the “Special Mark for Geographical Indication Products”, which shall be examined by the Sichuan Quality and Technical Supervision Bureau and be examined by the National Quality Inspection. The General Administration announced the approval. The statutory testing agency for Yanyuan Apple is designated by the Sichuan Provincial Bureau of Quality and Technical Supervision.