Tongwei Apples [Gansu Tongwei Specialty]

What is Tongwei apple? Authentic Gansu Tongwei specialty: Tongwei apples

Summary:Do you want to know what Tongwei apples are? This article is a detailed introduction to the special product of Tongwei, Gansu Province - Tongwei Apples. It was compiled by the editorial team of China Specialty Network after reviewing and collecting relevant information on Tongwei Apples. The full text takes about 8 minutes to read, mainly including the basic introduction of Tongwei Apples and their nutritional value? What are the product features of Tongwei apples? Wait

Introduction to Tongwei Apples

Tongwei Apples are a specialty of Tongwei County, Gansu Province and a national geographical indication product. Tongwei apples have bright colors, a large and regular shape, a smooth surface, fine texture, and abundant juice. They have a moderate sour and sweet taste, a crisp and sweet texture, strong hardness, long shelf life, and are extremely resistant to storage and long-distance transportation. The main varieties of Tongwei apples are the Red Fuji series, with nearly round fruits and upright shapes, a fruit shape index of 0.85~0.95, an average single fruit weight of 230g, and a maximum single fruit weight of 450g; The fruit is completely red, with bright red stripes or halos, beautiful color, smooth fruit surface, small fruit spots, and thin skin; The flesh is light yellow in color, crispy, juicy, and has a sweet and sour taste; The nucleus is small, the cavity is small, and it appears as a pentagram; Strong aroma and excellent quality; Durable for storage and transportation

Soil and geomorphic conditions: The total cultivated land area in the county is 2.2536 million mu, and the soil is mainly composed of loess soil. The soil organic matter content is 13.34g/kg, total nitrogen is 0.89g/kg, total phosphorus is 0.4g/kg, total potassium is 16.64g/kg, pH value is 7.8, the soil is alkaline and rich in potassium element, and the total nutrient status is "phosphorus deficiency, low nitrogen, and rich potassium". Apple planting is distributed between mountainous terraces and river valleys at an altitude of 1400-1800m, with high altitude, few pests and diseases, and superior soil conditions, suitable for planting apples in Tongwei. Hydrological situation: The county is divided into two river systems, the Wei River and the Zuli River, according to the watershed. The total runoff of the rivers is 108.36 million cubic meters, including 12.96 million cubic meters of inflow and 95.4 million cubic meters of self-produced. The flood season is concentrated from June to September, accounting for about 67% of the annual precipitation. The average annual sediment transport is 28 million tons, and irrigation mainly relies on natural precipitation. The rainy season basically coincides with the growing season of apples, which can meet the water demand of apples. Climate situation: Tongwei County belongs to a temperate semi humid and semi-arid monsoon climate, with an annual average temperature of 7.7 ℃, an average annual sunshine of 2100-2400 hours, a sunshine percentage between 50% and 55%, an annual total solar radiation of 130.3 kcal/cm ², a frost free period of 147 days, an annual precipitation of 380mm, an annual evaporation of 1478mm, rain and heat in the same season, a dry climate, pollution-free air, large temperature difference, high accumulated temperature, long sunshine, abundant light and heat, and high content of apple candy and vitamins produced

External sensory characteristics: Tongwei apples are mainly from the Red Fuji series varieties, with nearly round fruits and upright fruit shapes, a fruit shape index of 0.85~0.95, an average single fruit weight of 230g, and a maximum single fruit weight of 450g; The fruit is completely red, with bright red stripes or halos, beautiful color, smooth fruit surface, small fruit spots, and thin skin; The flesh is light yellow in color, crispy, juicy, and has a sweet and sour taste; The nucleus is small, the cavity is small, and it appears as a pentagram; Strong aroma and excellent quality; Durable for storage and transportation. The internal quality indicators of Tongwei apples include: vitamin C content ≥ 5.1mg/100g, soluble sugar ≥ 10g/100g, titratable acid ≤ 0.21%, soluble solids ≥ 14%, dietary fiber ≥ 1.8g/kg, soluble dietary fiber ≥ 0.28g/100g. The safety requirements for Tongwei apple production areas shall be implemented in accordance with NY/T5110 (Environmental Conditions for Pollution free Agricultural Products Planting Areas); Tongwei apple products comply with relevant national quality standards and meet the new hygiene standards for Tongwei apples