2. Seed potato (seedling) cultivation: select vines with pure varieties and no diseases and insect pests or use stem tips for tissue culture and breeding.
3. Planting: row spacing 150 cm to 250 cm; The plant spacing of seed potatoes is 80 cm to 100 cm, and the plant spacing of tissue culture seedlings is 150 cm to 250 cm. The ratio of male to female plants is 100: 3.
4. Flower and fruit management: select and keep vigorous vines as the main vines. Timely pruning vines and artificial pollination. 80 ~ 120 fruits per plant, less than 15000 fruits per mu.
5. Fertilization: more than 2,000 kilograms of organic fertilizer is applied per mu, and each chemical fertilizer is ≤ 1 kg.
6. Fruit harvesting: the fruit stalk becomes Huang Shi, the peel is hard and elastic, and gradually turns yellow from green, with more fluff and luster. 1. Results: excellent, first class, second class.
2. Sensory characteristics: the peel is brown or light brown, shiny and fluffy. The pulp is light brown or yellowish brown, and the fiber is fine and spongy. Sweet and fragrant.
3. Physical and chemical indexes: total glycosides of Siraitia grosvenorii ≥3.2%, total sugar >; 15.0%, water extract >: 32.0%, moisture ≤ 15.0%. Where the producer of Yongfu Siraitia Grosvenorii's geographical origin uses the "product mark of specific geographical area", it shall apply to the product protection declaration institution of Yongfu Siraitia Grosvenorii's geographical origin located in the local quality and technical supervision bureau. After passing the preliminary examination and being approved by the AQSIQ, the "product mark of specific geographical area" can be used.
Since the date of this announcement, local quality and technical supervision departments have begun to implement protective measures for Yongfu Siraitia grosvenorii products.
Yongfu County, Guilin, Guangxi is the hometown of Siraitia grosvenorii, which has been planted for more than 200 years.
Siraitia grosvenorii is a vine, which is abundant in Lingui County and Yongfu County of Guilin. It is a precious medicinal material, an advanced refreshing drink and a good condiment.
To buy Siraitia grosvenorii, you should choose a big round one, which is yellow and brown in color, does not shake, and the shell is not broken or burnt. The sweet one is the top grade.
Yongfu County, Guangxi is the authentic birthplace and main producing area of Siraitia grosvenorii, with a planting history of more than 200 years and a set of complete and mature planting and processing technologies. At present, the planting area of Siraitia grosvenorii in the county is more than 35,000 mu, with an annual output of nearly 200 million, of which more than 70% are concentrated in Longjiang Township. Yongfu county was named "the hometown of Siraitia grosvenorii in China" by the Ministry of Agriculture on 1995. In 2000, it was recognized as a 1 brand-name agricultural product by Guilin, and Yongfu Siraitia grosvenorii was awarded the title of brand-name product at China International Agricultural Expo 200 1. Yongfu Siraitia grosvenorii and its products have been exported to more than 20 countries and regions such as Japan, the United States and Singapore.
Siraitia grosvenorii is the first batch of precious medicinal and edible Chinese herbal medicines announced by the Ministry of Health. Its mogroside content is 300 times sweeter than sucrose, and it does not produce heat. It is a valuable raw material for beverage and candy industry and the best substitute for sucrose. Drinking arhat fruit tea regularly can prevent many diseases. Modern medicine has proved that Siraitia grosvenorii has obvious curative effect on bronchitis, hypertension and other diseases, and also has preventive and therapeutic effects on coronary heart disease, arteriosclerosis and obesity.
Siraitia grosvenorii is a unique economic plant in Guilin, which is one of the traditional Chinese medicinal materials and export commodities. It has high nutritional value, and has the effects of clearing away heat, relieving summer heat, resolving phlegm and relieving cough, cooling blood and loosening bones, clearing away lung heat and moistening intestines, promoting fluid production and quenching thirst. Can be used for treating acute and chronic tracheitis, pharyngolaryngitis, bronchial asthma, whooping cough, stomach fever, constipation, acute tonsillitis, etc. It is also suitable for diabetic patients. Herbal tea brewed with its fruit has a long reputation. It can also be used as a seasoning for stews and clear soup to make cakes, sweets and biscuits. At present, in addition to the export of dried fruits, products also include granules, syrup, fruit essence, cough syrup, concentrated fruit syrup and so on.
Traditional Chinese medicine believes that Siraitia grosvenorii is sweet, sour and cool, and has the effects of clearing away heat and cooling blood, promoting fluid production and relieving cough, moistening intestines and removing toxic substances, caring skin, moistening lung and resolving phlegm, and can be used for prolonging life, treating phlegm-heat cough, sore throat, constipation and dysphoria. Modern medical research has found that Siraitia grosvenorii is rich in glycoside, which is 300 times sweeter than sucrose. It has the function of lowering blood sugar and can be used as an adjuvant treatment for diabetes. Rich in vitamin C, it has the functions of anti-aging, anti-cancer and skin care; It has the effects of reducing blood fat and losing weight, and can be used as an auxiliary treatment for hyperlipidemia and improving the image of obese people.
Yongfu Siraitia grosvenorii is a geographical indication protection product.
Yongfu Siraitia grosvenorii is a geographical indication certification trademark.