Linyi Dahlia is popular with people for its excellent traits, rich colors and unique charm. At the 1999 Kunming World Horticultural Exposition, “Linyi Dahua” won 30 awards (1 grand prize, 5 gold medals, 17 silver medals and 7 bronze medals). Hong Kong's "Wen Wei Po" also published an article "Linyi Da Li spent the limelight at the World Expo", and highly praised "Linyi Da Li Hua", known as "the world's largest and most beautiful flower."

Variety characteristics The basic characteristics of Linyi Dahlia are short plant, large flower and long flowering period. Linyi Dahlia can adapt to various climatic and soil environmental conditions throughout the country. The stems are thick and strong, the internodes are short, the lodging is resistant, the leaves are open, and the leaves are dark green. The general plant height is 60-100cm. The flower head is large and the diameter of the corolla is generally up to 25-45cm, rich in color, bright color, flowering period can exceed 150 days. Variety development Dahlia is native to Mexico and Guatemala. In the 1950s, there were only more than 10 varieties introduced into Linyi, Gansu. For more than 40 years, through the hard work and hard work of Zhang Wanquan and other local flower lovers, Da Lihua has prospered and developed in Linyi, Gansu Province, and has undergone tremendous changes: First, the variety is extremely rich. At present, Linyi Dahlia has developed into nine color systems of red, yellow, white, pink, ink, purple, and complex colors, more than 300 varieties, and has developed ball type, chrysanthemum type, peony type, decorative type, dish type. , peony type, hydrangea type, disc type, rosette type and other patterns. Second, the variety habits are unique. After years of breeding, Linyi Dahlia has been continuously developed towards dwarf plants and large flowers. The existing varieties have fundamental differences in plant height, corolla, rod, leaf color and leaf type compared with the original old varieties, thus forming An independent group of dahlias in China, namely “Linhua Daqing”. The third is the scale of production. Under the leadership of the Linyi Dahlia Cultivation Center, only five households initially produced Dahlia. After years of development, it has now driven more than 100 flower production professionals and flower business entities in Linyi and surrounding counties such as Wuyuan, Kangle, Linxia and Lanzhou. It has promoted the rise and development of the flower industry in Linyi. The high-quality bulbs of valuable flowers such as dahlia, gladiolus and tulip are exported to 23 provinces (municipalities and autonomous regions), making Linyi one of the three major flower bulb production bases in the country, making up for the decoration of the motherland and the greening environment. The positive contribution has won wide acclaim from all walks of life. Geographical Environment Linyi County is located in the lower reaches of the Weihe River in central Gansu. It is a warm temperate monsoon climate. It has excellent natural conditions, flat terrain, fertile soil, mild climate, abundant water resources and convenient irrigation. The average elevation of the Weihe River is 1800M, the annual average rainfall is about 600mm, the annual average evaporation is 1258mm, the annual average temperature is 7°C, the annual accumulated temperature is 3116.7°C, the accumulated temperature of 10°C is 2415.8°C, the annual average sunshine hours is 2438 hours, and the frost-free period is 146. day. Honor Certification The new variety “Yinshang Lianfeng” cultivated by Linyi Dahlia Cultivation Center won the gold medal of the National Flower Expo in 1989 and won the gold medal of the first Gansu Provincial Fruit and Fruit Products Exhibition in 1997. At the first Kunming World Horticultural Exposition in 2001, Linyi Dahlia was exhibited at the Chinatown Plaza, Dunhuang Circle, Gansu Indoor Pavilion and other places, and was widely praised by experts, peers and tourists.

Linyi Dahlia quality technical requirements (1) cultivation management. 1. 2. 3. Rotation: One round of work a year, no double-handedness. 4. Pruning: retains the main flower stem and the main flower bud, removing side branches and side flower buds. 5. Storage: Storage temperature 3 to 5oC, well ventilated. 6. Fertilizer and water management: The principle of water management is to see dry and dry, dry and thorough. The principle of fertilizer management is based on base fertilizer, supplemented by topdressing, applying organic fertilizer and controlling nitrogen fertilizer. (2) Quality characteristics. 1. 2. 3. The bulbs are free from pests and diseases and have no mechanical damage. 4. The water content of the bulb is between 60% and 70%. 5. The variety of species remained good and there was no degradation. 6. Strong resistance and storage resistance.