Huaniu Apple, a special product in Tianshui City, Gansu Province, is a national geographical indication product of China. The meat is fine, dense, crunchy, juicy, unique in flavor, rich in aroma, good in taste and quality. It is recognized as the world's three famous apple brands with the American snake fruit and Japanese Fuji.

Gansu Tianshui is suitable for apple growth regardless of climate, soil, sunshine and other natural conditions. The apples grown here have good color, shape and taste, and become the largest apple production base in the northwest. Huaniuzhai, the town of Yulipu Township, North Road District, Tianshui City, is a new apple cultivated. It is a must in apple. It has beautiful fruit shape, bright red color, prominent five-leaf, thin skin, juicy and thick, delicious and delicious. It sounds like China, this is the flower cow apple. The quality characteristic "Hua Niu Apple" is conical, full of bright red or rich red, bright color, red or reddish color, fruit coloration degree 90-100%; fruit neat, smooth fruit surface, bright and clean; fruit shape is high The pile and the five ribs are prominent, and the fruit shape index is 0.9-1.0. The flesh is yellow-white, the meat is fine, dense, crisp, juicy, unique in flavor, rich in aroma, good in taste and quality. The origin of Huaniu Apple The city is located in the semi-humid inland climate zone of the north temperate zone, and the fruit trees are endowed with unique natural conditions. The history of cultivation of apples can be traced back to the 1940s: at the end of 1949, the earliest “Hebei Nursery” was established in the city; in 1951, a large area was planted and built, and the “Apple Uphill” experiment was carried out at the Liangjiaping Experimental Site; In 1952, the first apple mountain cultivation demonstration site was built in Taijing Township, the original Tianshui District Agricultural Cooperation Pilot. In the same year, it cooperated with the office address in the Northwest Fruit Tree Institute of Wugong County, Shaanxi Province. Zhai (now Huaniu Town Huaniu Village) has built another apple mountain cultivation demonstration site, which is the earliest orchard of “Hua Niu” apple. Nutritional value Huaniu Apple has the reputation of u0026quot;wisdom fruitu0026quot;, u0026quot;memory fruitu0026quot;. People have long discovered that eating more apples has the effect of improving memory and improving intelligence. Apples are not only rich in essential nutrients such as sugar, vitamins and minerals, but more importantly, they are rich in zinc. According to research, zinc is a component of many important enzymes in the human body and is a key element in promoting growth and development. Zinc is widely involved in the metabolism of proteins, fats and sugars in the body through enzymes. Zinc is also an essential element in the formation of nucleic acids and proteins that are closely related to memory. Zinc deficiency can cause dysplasia in the hippocampus of the cerebral cortex, affecting memory. Experiments have also shown that reducing zinc in food, children's memory and learning ability are seriously impeded. Zinc is also closely related to the production of antibodies and the enhancement of human immunity.

Huaniu apple quality technical requirements (a) variety. Marshal is an excellent breed. (2) Site conditions. The soil layer is deep, well-drained sandy loam and loam, with an altitude of 1000m to 1600m, organic matter content ≥0.9%, pH 6.5 to 8, and groundwater level below 2m. (3) Seedling breeding. Choose a mother plant with strong growth, no quarantine pests and diseases, and good quality to collect the scion grafting seedlings. (4) Cultivation management. 1. Building garden: (1) Planting time: spring planting or autumn planting. (2) Planting density: the planting density of common type/Qiaohua anvil is ≤ 840 plants/ha, and the planting density of short-branched varieties/Qiaohua anvil is ≤990 plants/ha. 2. Fertilizer management: Fertilization includes base fertilizer, top dressing, and foliar spray fertilizer. The base fertilizer is mainly based on farmyard manure. In the fruit-bearing orchard, organic fertilizer is applied to ≥45 tons per hectare. According to the soil moisture, timely irrigation. 3. Plastic trimming: The tree shape mainly adopts small crown sparse layer shape, free spindle shape and slender spindle shape. The amount of branches per hectare is ≤1.2 million. 4. Flower and fruit management: Implement flower and fruit management techniques such as pre-flowering re-cutting, flowering pollination, flower thinning and fruit removal, fruit picking and fruit transfer, and leave a single fruit. (5) Harvesting and storage. 1. Harvest: From late August to early October, harvesting begins when the fruit's soluble solids reach 12.5% ​​or more. 2. Storage: timely pre-cooling and storage after harvesting. Storage at room temperature ≤ 15 days, storage in the atmosphere storage ≤ 240 days. (6) Quality characteristics. 1. Sensory characteristics: The project requires a fruit shape, a high pile, and a fruit top five-sided protrusion. The fruit shape index is ≥0.85, the color is red or bright red, and the fruit has a degree of coloration of 95% or more. Maturity is fully developed, maturity to meet market or storage requirements. Fruit stalks are intact or uniformly cut off by fruit size (divided by fruit transverse diameter) mm ≥ 70 fruit surface without defects (including stab wounds, bumps, abrasions, bruises, cracks) Injury, insect injury, sickness and injury) 2. Physical and chemical indicators: The project requires peeling hardness, kg/cm2 ≥ 6.5 (storage fruit ≥ 4.5) soluble solids, % ≥ 12.5 titratable acid, % ≤ 0.3 solid acid ratio ≥ 35:

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Producers within the scope of protection of Huaniu Apple's geographical indication products may apply to the Tianshui City Quality and Technical Supervision Bureau of Gansu Province for the use of the “Special Mark for Geographical Indication Products”, which is approved by the General Administration of Quality Supervision, Inspection and Quarantine.