Xiangxi kiwifruit is rich in nutrients. In addition to sugar, protein and carotene, it also contains 14 rare elements, especially high in selenium.

The excellent kiwifruit variety "Miliang No. 1" in Hunan Province was carefully selected from the kiwifruit research institute of Hunan Jishou University by using the wild kiwifruit variety of Xiangxi for 12 years. In November 1991, the variety won the "Excellent New Product Award" at the "National Food Industry Decade's Latest Achievement Exhibition". In 1992, the variety ranked among the top 260 varieties (strains) in the National Kiwifruit Base Appraisal Conference, and was awarded the “Light of Hope” by the Ministry of Agriculture. It became the four famous Chinese brand varieties and was recommended as the domestic kiwifruit. One of the key promotion varieties in the base of the South. On January 14, 1995, "Miliang No. 1" was approved by the Hunan Provincial Crop Variety Approval Committee, and won the first prize of Science and Technology Progress of Xiangxi Autonomous Prefecture in the same year. In 1996, he won the third prize of Hunan Science and Technology Progress Award. The kiwifruit "Miliang 1" in Xiangxi has a vegetative growth period of 240 to 250 days, and the fruit growth period is about 145 days. The fruit is generally mature in mid-October. The fruit has a long cylindrical shape and is brownish-brown. The fruit weight is 80-150 grams, and the average fruit weight is about 100 grams. The flesh is yellow-green, moderately sweet and sour, with pure flavor and delicious flavor. Fresh fruit contains 13.13% sugar, vitamin C188.6mg/100g, and soluble solids 16-18%. After artificial cultivation, Xiangxi kiwifruit has excellent comprehensive traits, stable genetic traits, rapid formation, early results, strong resistance to stress, good yield performance, large fruit and good storability. It can be kept fresh for about 1 month at room temperature, and can be stored for more than 180 days. The kiwifruit of Xiangxi is suitable for cultivation under the following conditions: the annual average temperature is 13-17 °C, the average temperature of the hottest month is 25-28 °C (the extreme maximum temperature is 41 °C), and the average temperature of the coldest month is above -4 °C (the extreme minimum temperature is -12 °C). ); annual rainfall of 700 ~ 1500mm, air relative humidity of 60 ~ 90%; suitable for cultivation in the soil of slightly acidic to neutral (pH 5.5 ~ 7.0) in the range of 40m ~ 1200m above sea level. Training points: 1 need to ditch digging, pressing the mountain green fertilizer or applying waste fertilizer to improve the soil; 2 planting density is 4m × 3m, 56 plants per acre, or 3m × 3m, 74 plants per acre; 3 male and female The ratio is 8:1; 4 need to apply enough base fertilizer, early to catch seedlings, flower fertilizer and strong fruit fertilizer; 5 to frame cultivation, pay attention to plastic surgery, pruning. The growth of this plant is strong, and it begins to bear fruit after one year of planting. The fruiting period lasts for more than 20 years. After three years, the yield per mu can reach 1500-2000 kg, and the fruit of more than 100 grams is more than 80%, and the output value per mu is over 10,000 yuan. “Miliang No.1” has been introduced or tested by Guangdong, Fujian, Zhejiang, Jiangsu, Shanghai, Hubei, Sichuan, Yunnan, Guizhou and other provinces, autonomous regions, etc., all of which show that the results are early, high yield and stable production, and strong adaptability. Strong resistance to pests and diseases, high quality, good storability and excellent overall traits. At present, the area for promotion of this variety has reached 200,000 mu, and the Xiangxi Autonomous Prefecture has 100,000 mu.

Technical requirements for quality of kiwifruit in Xiangxi (1) variety. Miliang series, Hongyang. (2) Site conditions. The soil pH value is 6.0 to 6.8, the sandy soil, the soil layer thickness is ≥80cm, the organic matter content is ≥1.5%, the groundwater level is below 80cm, the soil texture is good, loose and fertile. (3) Cultivation management. 1. Seedling breeding: Using the seeds of the same type of mature kiwi fruit, the breeding seedlings as rootstocks, collecting scions from the robust maternal strains of pure quarantine pests and diseases, and grafting and breeding. 2. Planting density: The number of plants per hectare in the Miliang series is ≤1080, the ratio of male to female is ≤8:1; the number of plants per hectare in Hongyang is ≤1600, and the ratio of male to male is ≤20:1. 3. Plastic pruning: (1 ) Plastic surgery: T-frame or large scaffolding is used, and the main trunk is put on the shelf. Two main vines are selected in the main part of the trunk close to 20 to 30 cm, and they are respectively extended to both sides. (2) Trimming: Winter pruning combined with summer pruning. In winter, pruning each tree selects 20 to 24 female branches. Summer pruning is mainly carried out by smearing, thinning, tying, picking, and fruit-to-fruit ratio (5-6): 1. 4. Fertilization: based on base fertilizer, supplemented by topdressing, applying organic fertilizer ≥37.5 tons per hectare per year, fertilizer The ratio of nitrogen, phosphorus and potassium is 1:0.7-0.8:0.8-0.9. 5. Fruit thinning: fruit thinning starts 10 days after full bloom, and the abnormality of fruiting, flat fruit, fruit, small fruit, pollination and fertilization are eliminated. The pests and diseases are harmful to the fruit, and the normal fruit with strong stems and good development is retained. Control 30 tons per hectare. (4) Harvesting. Harvested when the content of soluble solids in fresh fruit is ≥7.5%; the content of soluble solids in storage fruits is 6.2 to 6.5% before harvesting. (5) Storage. After the fruit harvesting and sub-test, it is placed in a special fruit storage box, and after 24 hours of pre-cooling, it is timely put into storage, so that the temperature in the storage tank is stable at 0 ° C to 1 ° C, when the stock fruit hardness (peeling) is reduced to 4 When 6kg/cm2, it should be released in time. (6) Quality characteristics. 1. Sensory features: as shown in Table 1, Table 2. Table 1 The sensory index of the Miliang series of kiwifruit items The appearance of the fruit is neat and tidy, the fruit shape is long cylindrical, the peel is tan, and the hair is long. The fruit weighs 80-120 grams. The flesh color is yellowish and the flesh is yellow-green. The palate is rich in scent, with a fragrant, sweet and sour taste, pure flavor, and unique characteristics of the Miliang series of kiwifruit. Table 2 The sensory index of Hongyang kiwifruit The appearance of the indicator is neat and tidy, the fruit shape is short cylindrical, and the peel is brownish green. The fruit weighs 50-100 grams. The flesh color is bright red and the flesh is yellow. The palate is tender and tender, with moderate sweetness and pure flavor. It has unique characteristics of red kiwifruit. 2. Physical and chemical indicators: as shown in Table 3 and Table 4. Table 3 Muliang series kiwifruit physical and chemical indicators project indicators soluble solids (%) ≥ 15 organic acids (%) 1.0-1.3 vitamin C (mg / 100g) 155-207 selenium (ug / 100g) 0.9-1.3 dietary fiber (g / 100g ) ≥ 2.5 Table 4 Hongyang kiwifruit physical and chemical indicators project indicators soluble solids (%) ≥ 15 organic acids (%) 0.45-0.65 vitamin C (mg / 100g) 110-155 selenium (ug / 100g) 0.9-1.3 dietary fiber ( g/100g) ≥ 2.0 Note: The items in Table 1, Table 2, Table 3, and Table 4 are fruits that have reached softening and ripening.

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Producers within the scope of protection of kiwifruit geographical indication products in Xiangxi may apply to the Quality and Technical Supervision Bureau of Xiangxi Tujia and Miao Autonomous Prefecture of Hunan Province for the use of “Special Marks for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.