Dazhu Qinwang Peaches

Dazhu Qinwang Peaches

Dazhu Qinwang Peaches are a protected geographical indication product.

　　The production area of Dazhu Qinwang Peaches covers the current administrative region of Dazhu County, Sichuan Province.

　　I. Variety

　　Qinwang Peach.

　　II. Growing Conditions

　　The soil types are yellow soil and purple soil, which retain water and nutrients and facilitate drainage. The organic matter content is ≥1.5%, the soil pH value ranges from 5 to 8, and the effective soil layer is ≥50 cm.

　　III. Cultivation Management

　　1. Seedling Propagation: Rootstock seeds are sown between March and April each year at temperatures not lower than 10°C. Furrows are dug at a row spacing of 90 cm, with a depth of 3 to 4 cm and a sowing width of 6 to 10 cm. The density is 3 plants per square meter. Healthy Qinwang Peach trees aged 8 to 20 years are selected as mother plants, and seedlings are propagated through grafting between February and March each year.

　　2. Planting Time: Between March and April each year.

　　3. Planting Density: The general row and plant spacing is 1.5 to 2 m × 4 to 4.5 m.

　　4. Thinning Fruits: Fruit thinning is carried out in stages using fruit spacing and leaf-to-fruit ratio methods. The yield is 1,500 kg to 2,000 kg per 667 m² (1 acre).

　　5. Bagging: Fruits are bagged after fruit setting, between the end of April and mid-May, with a 100% bagging rate.

　　6. Fertilization: Apply fertilizer sparingly and frequently, with 3,000 to 5,000 kg of organic fertilizer per mu.

　　7. Water Management: Irrigate as needed during bud sprouting, rapid fruit expansion, autumn base fertilizer application, and periods of continuous drought; drain promptly during the rainy season.

　　8. Environmental and Safety Requirements: The use of pesticides, fertilizers, and other inputs must comply with national and local standards, and must not cause environmental pollution.

　　IV. Harvesting

　　The optimal harvesting time is before Mid-Autumn Festival, preferably in the early morning before sunrise or in the evening.

　　V. Quality Characteristics

　　1. Sensory Characteristics: Bright color, large and round shape, individual fruit weighing 250 to 500 grams, smooth surface, neat and clean appearance, brownish hue.

　　2. Physicochemical Indicators: Per 100 g of flesh, sugar content is 12 to 18 g, organic acid 0.2 to 0.9 g, protein 0.5 to 0.8 g, fat 0.1 to 0.5 g.