Longdong daylily, produced in Zhaodong County, Hunan Province. The western hilly area of ​​Zhaodong County is the origin and main producing area of ​​the national daylily. The daytime broccoli has a large root bar, early market time, maximum output, the most abundant supply and uniform quality. The main dry goods varieties of Huangdong daylily are mainly dried vegetables, cooked needles and dehydrated medicines. Among them, dehydrated medicine hair dishes account for more than 90% of the national market for medicines. The medicine hair is mainly used for kimchi processing, hot pot cooking and the like.

Daylily, also known as day lily, forget-how grass, valerian, it is nutritious, economical, dry and wet edible, delicious, and has a variety of medical effects such as nourishing blood, diuresis, brain, prolactin, anti-cancer, etc. It can be said that "the view is a famous flower, used as a good medicine, food is a good food", and is regarded as a treasure by the people of Jidong. Located in the south of Hunan Province, Jidong County is located in the middle reaches of the Xiangjiang River. The climate here is mild, with four distinct seasons, and the heat is abundant and the rainfall is abundant, which is very suitable for the cultivation of daylily. Since the 80th century, researchers from the Agricultural Bureau of Jidong County have conducted in-depth research on the breeding of daylily varieties, and have cultivated a large number of excellent new varieties of daylily. The yield of these varieties is higher and the quality is higher. better. The middle of the broccoli dried cabbage is blue and green, with two brownish greens, even and lustrous, and the meat is thick and fragrant. It is rich in protein and sugar. It looks "bright, smells sweet, eats sweet", with any other The unparalleled health effects of vegetables are increasingly favored by consumers. Longdong yellow flower cultivation has a long history. In the first year of Ming Hongzhi (AD 1488), the villagers of Huaiyuantang in the Western District discovered that the wild daylily could be freshly eaten, cultivated in the transplanting garden, and created the steaming technology of daylily. During the reign of Emperor Kangxi of the Qing Dynasty, the production of daylily in Guanjiazui entered the peak period and became the main source of income for local farmers. In the territory, 165,000 mu of daylily industry belt with seven towns and towns including Huangtupu, Shitingzi, Guanjiazui, Buyunqiao, Brick Pond, Baidi City and Jiangjiaqiao has been formed, with an annual output of 25,000 tons of dried yellow flowers. 500 million yuan. The main varieties of white flowers, scorpion flowers, and tea flowers account for more than 85% of the total cultivated area. The products are exported to Hong Kong, Macao and Taiwan, Southeast Asia, Europe and the United States and other countries and regions. The Luojiang Village of Shitingzi Town in the territory is known as the "China's first village of Huanghua", which makes it known as the "hometown of daylily" and is famous both at home and abroad. Daylily, also known as day lily, scientific name 萱草, has been cultivated in China for more than 2,000 years. Jidong has been planting daylily for more than 500 years. Day lily is rich in vitamins and minerals, light yellow color, fresh and edible, soft and tender, delicious, and it is a good dish on the table. It is made with yellow cauliflower and soy pork feet, day lily stewed chicken, yellow cauliflower steamed patties, yellow cauliflower boiled seafood, yellow cauliflower scrambled eggs, day lily soup and other dishes. It also has a high medicinal value, with the effect of nourishing blood and nourishing the brain, nourishing yin and strengthening the spleen, clearing the eye and relieving heat, and has the effects of blood circulation and anti-aging. Hengyang City governs Jidong and Hengnan. Puyang, Changning, Hengyang and other counties (cities) and suburbs have established Huanghua production bases, with the largest planting area in Qidong County, accounting for 65.8% of the city's Huanghua base area. In 1983, the city's total output of daylily reached 2,900 tons. The total output value is more than 100 million yuan. The output ranks second in the country, second only to Shaoyang City. In the mid-1980s, the researcher of the Longdong County, Hunan Province, based on the Jidong County Agricultural Science and Technology Institute, conducted in-depth research on the breeding of high-yield varieties and high-yield cultivation and breeding techniques, and cultivated a large number of daylilies. The new varieties are classified into three types: early maturing, medium maturity and late maturity: there are 4 types of early maturity: April flower, Mayflower, early morning flower and early tea mountain strip flower; medium maturity type: short arrow medium flower, high Arrow Mid-Flower, Plum Blossom, White Flower, Eggplant Flower, Gardenia Flower, Long Flower, Black Tsui Flower, Tea Flower, Fireworks, Flower, Red Flower, Red Flower, Flower, Flower, Green There are 20 kinds of bougainvillea, thick arrow flower, high ridge flower and long stalk flower; late type: inverted arrow flower, fine leaf flower, mid-autumn flower and big leaf flower. After research and practice by scientific researchers, it was found that Chonglihua, Prunus persicae and white flowers are the highest yields, and the quality of daylily grown is the best. So now the main areas of Hunan's Longdong area are now planted. 1. The scorpion flower is also called the large flower. It is a cultivar of Qidong County, Hunan Province. Mid-maturing, the whole growth period is 190 days, the leaves are erect, dark green, 75-95 cm long and 13-17 mm wide. The flower bud is yellow, 10.5 to 13 cm long, 7 to 8 mm thick, 50 g per 50 to 60 dried flowers, and the drying rate is 18%. The flower buds are about 110 centimeters high, and each can pick up about 60 flower buds. It has strong drought tolerance, less insect pests and quick tillers. 2. Chonglihua Also known as the big leaf flower, black-billed flower, it is one of the main varieties of Qidong County, Hunan Province. The growth potential is strong, the leaves are softer, and more from the central part of the leaf body, the flower sag is about 150 cm high. Harvesting began in the middle and late June, and was completed in the first half of September. The harvesting period is about 70 days, and the disease resistance and drought resistance are strong, and the buds are less. The flower buds are large, up to 12 cm long, the flowers are thick, and the drying rate is high. For every 60 flower buds, 50 grams of dried flowers can be dried, and 5.5 kilograms of flower buds can be dried for 1 kilogram. The flower bud is yellow, but the tip of the mouth is slightly purple-red. It is dark brown after drying. It is commonly called black-necked flower. It has a lower grade and slower branching. It takes a long time to enter the flowering period after planting, but the number of years of continuous harvesting is more. The output is high, generally 350-400 kg of dried vegetables per mu, and the high can reach 475 kg. 3. White Flower Excellent variety of Jidong County, Hunan Province. Medium-ripening, the whole growth period is 196 days, the leaves are straight, pale green, 91-110 cm long, 19-20 mm wide, 150 cm high, 60-100 flowers per flower, harvested in early June. It will last for about 90 days until the end of September. The flower bud is 10 to 11 cm long and 6 to 8 mm thick. The dried flower is light yellow, the flower mouth is red, and the drying rate is 22%. Strong resistance to pests and diseases, drought tolerance, quick tillering, less buds, strong regeneration of flower buds, up to 400 kg per mu. Hunan Longdong day lily seedlings are suitable for all kinds of soil quality, but the best is red and yellow soil. The average yield is 800 kilograms per mu of dried vegetables (1 kg of dried vegetables per 5 kg of fresh vegetables). The annual lunar calendar December is the best period for rhizome transplantation. The solar calendar is from late May to late August. The best time for daily picking is before 10 o'clock. After 10 o'clock, picking is easy to bloom, and its effective growth period is 9- In 10 years, 9-10 years after transplanting, it should be ploughed and replanted.

Technical requirements for quality of Longdong daylily 1. Local varieties such as “Zhenzhenhua”, “Junzihua”, “White Flower” and “April Flower”. Second, the soil condition is ≤300m, the soil type is limestone, red-yellow soil, gray mud field, the thickness of the tillage layer is ≥35cm, the pH value is 6 to 7.5, and the organic matter content is ≥0.9%. Third, cultivation management Seedling breeding: ramets breeding. 2. Transplanting: After the flower buds are harvested, they are transplanted before the spring seedlings in the next year. Each hectare is ≤24000 points, 2 to 4 per hole. 3. Fertilization: Apply organic fertilizer ≥7500kg per hectare per year. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 4. Harvesting is carried out from June to August every year, and the unopened flower buds that are about to open will be picked up without branches. Fifth, the processing method is naturally dried or mechanically dried to a water content of ≤ 15%. Sixth, quality characteristics 1. Sensory features: the middle of the vegetable strips are blue and green, both ends are brownish green, even and shiny; the meat is thick, the smell is fragrant, and the taste is sweet. 2. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the production area of ​​Longdong Daylily may apply to the Quality and Technical Supervision Bureau of Zhaodong County, Hunan Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Hunan Provincial Bureau of Quality and Technical Supervision and submitted to the General Administration of Quality Supervision, Inspection and Quarantine for approval. announcement.