Luxi County is located in the southeast of Yunnan Province, north of Honghe Hani and Yi Autonomous Prefecture. The county has a mild climate, abundant sunshine and moderate rainfall. It has a plateau monsoon climate of “no cold in winter and no heat in summer”. The seasons are like spring, with a long history and a long history of culture. It is rich in geographical indications to protect product resources. Daisy pyrethrum is a perennial herb of the family Asteraceae, also known as white flower pyrethrum. The aromatic flower head is ground into a powder, which can constitute the active ingredient of insecticide, called pyrethrum or pyrethrum. The unique natural environment of Daisy has the characteristics of high average pyrethrin content, large planting scale and high yield per mu.

Luxi County has a long history and a long history of culture. In the development process, the pyrethrum in Luxi County has formed a certain history and culture of pyrethrum. There is also a legend about the pyrethrum in the folks of Luxi County. According to the biography, a wide range of strange diseases occurred in a village in the town of Wujie Street, Xixi. The villagers have been unable to heal. At this time, a person who claimed to be a "Tang Shenxian" traveled here and gave the villagers a seed. After the seeds were planted, the blossoming white small chrysanthemums were opened. People used chrysanthemums as medicine to cure the strange diseases. From then on, the village was renamed as “Baiju Village”, which is now the Puze Village Committee of Wujiepu Town, Longxi County. Bai Ju Village. And leave a white chrysanthemum poem "Heaven tires to raise the spirit of snow, cold and full of clean body, without losing the true face, Mingyue sees his family. Daisy pyrethrum is a perennial herb of the family Asteraceae, also known as white flower pyrethrum, The aromatic flower head is ground into a powder, which can constitute the active ingredient of the insecticide, called pyrethrum or pyrethrum. Pyrethrum also has a toxic effect on animals such as crickets, fish, frogs, snakes, etc., but it is harmless to humans and animals. Therefore, it is safe to use. It is an ideal insecticide without polluting the environment. Pyrethrum is also medicinal and has the effect of treating cockroaches. Pyrethrum can not only eliminate mosquitoes, but also kill pests of crops and trees and fruit trees. It and tobacco, poisonous fish Rattan is known as “the three major plant pesticides.” Daisy pyrethrum has the high potency of natural pyrethrin, good dry flower color, uniform maturity, and high average content of gerbera chrysanthemum. The cymbidium is a perennial compositae. Plants, its planting conditions require good drainage, altitude of 1500 ~ 2000 meters, the annual average temperature is 15 ° C (up to 30 ° C minimum 1 ° C). Pyrethrum The content varies according to geographical conditions. There are small areas planted in other parts of China, but due to low quality, it cannot be scaled up. The local climatic conditions in western Yunnan are the development of pyrethrum with good natural climatic conditions and pyrethrin content. High, suitable for large-scale planting. The “Red River Senju Biological Co., Ltd.”, a leading company of the geranium flower in the west of Yunnan, has planted the “Senju” series of varieties suitable for planting in the protection area of ​​western Yunnan. The average content of pyrethrin in dried flowers is over 1.6%. The content of straw is 0.08%-0.1%, and it has formed a large-scale planting of about 50,000 mu in Qianxi County. Luxi County is located in the southeast of Yunnan Province, north of Honghe Hani and Yi Autonomous Prefecture. The climate is mild and the rainfall is abundant. Moderately, it has a plateau monsoon climate of “no cold in winter and no heat in summer”. It has a long history and a long history. It has a rich geographical indication to protect product resources. Daisy pyrethrum is a perennial herb of the family Asteraceae, also known as white flower. Pyrethrum, a fragrant flower head is ground into a powder, which can constitute the active ingredient of the insecticide, called deworming Chrysanthemum or pyrethrum. The unique natural environment of Daisy has the characteristics of high average pyrethrin content, large planting scale and high yield per mu. The pyrethrum plant height can reach 30-60cm, and the whole plant is covered with white fluff. Cauline, with long petiolate stalks. Flowers stalks sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessately sessate sessate The apex is 5-lobed, which is a bisexual flower; the achenes are narrow and conical, with 4 to 5 longitudinal edges and short crowns. It is an ornamental bonsai for indoor mosquitoes and flies. Pyrethrum is a good material for potted plants and cut flowers. It is famous. Medicinal plants, which are made into powder after drying, can produce mosquito-repellent incense to kill insects and deodorize. Pyrethrum is the only insecticidal plant intensively cultivated in the world, and pyrethrum is also used to treat skin diseases. Herbs for "insecticides" in children. The insecticide-pyrethroid extracted from pyrethrum is in short supply in the international market because of its pollution-free characteristics. Pyrethrum is the preferred bio-insecticide for organic food and green food certification. . In 2002 and 2003, the planting area of ​​pyrethrum in the county reached 60,000 mu, and the annual income of farmers was 25 million yuan, which brought good returns to the farmers.

Technical requirements for the quality of thyme pyrethrum 1. Pyrethrum cineriifoliun Trebr. Second, the site conditions are within the range of 1500m to 2000m above sea level, the soil type is silt soil, yellow loam soil, organic matter content ≥2.0%, soil pH value 5.5 to 7.0, III. Cultivation management 1. Seedling: Sowing from May to June. Soak the seeds for 1 day to 2 days, soak them in warm water at 40 ° C to 45 ° C for 48 hours. Dry seeds of 1.0kg to 1.5kg per 667m2 (mu). After sowing, cover with fine soil, then cover the pines and pour enough water. The seedbed should be selected from a fertile plot with a low water source and a low groundwater level. The ratio of the seedbed to the need to plant the pyrethrum field is 1:20 to 1:40. Implantation: The seedbed has a face of 1.3m, a groove width of 0.4m, and a groove depth of 0.2m. The nutrient soil was prepared in a ratio of 9:1 with soil and decomposed organic fertilizer, bagged, and placed in a seedbed. Jujube 8cm to 10cm fake planting. 3. Transplanting: From mid-August to mid-September, the chrysanthemum grows to 15cm and is transplanted. It is packed in the shape of "D" or plum, with a planting depth of 4cm to 5cm, and transplanting 4000 to 5000 plants per 667m2 (mu). 4. Fertilization: For every 667m2 (mu) seedbed, the organic fertilizer is ≥1000kg, and 4kg of compound fertilizer is applied for every 667m2 (mu). In Daejeon, every 667m2 (mu) of rotted organic fertilizer ≥1000kg. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, the collection of chrysanthemums is yellow and white, and the harvesting begins after 60% maturity. The first flowering period is from March to April, and the second flowering period is from July to September. V. Quality characteristics 1. Sensory features: Panhua and tubular flowers are yellow and white in color and crisp. The dry weight of flowers is 15g to 25g. 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 scope of the production of pyrethrum in Yunnan Province may submit an application for the use of the “Special Mark for Geographical Indication Products” to the Quality and Technical Supervision Bureau of Luxi County, Yunnan Province, which shall be reviewed by the Yunnan Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. . The detection mechanism of Daisy pyrethrum is selected by the Yunnan Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.