The safflower mulberry is one of the characteristic products in the mountainous area of ​​Jixian County, Tianjin. The protected area of ​​this product is located in the east and west Shizhuang boundary of the Beshan Town on the south bank of the Yuqiao Reservoir in Jixian County. It is named after the red flower buds growing in the town of Bishan. The groundwater resources are abundant and the water quality is good, and the soil nutrient content is high. The safflower mulberry is divided into black purple and yellow and white. The fruit is plump, the fruit handle is short, the fruit is fragrant, the color is bright, the sweetness is sour, and it has been planted for more than 500 years. It is one of the well-known forest fruit products. It is deeply loved by the people.

Mulberry is the mature fruit of the deciduous tree mulberry. Also known as mulberry, mulberry. It can be eaten fresh or processed to make mulberry wine, mulberry drink, canned mulberry. The safflower mulberry is produced in the southeast of Jixian County, 10 kilometers southeast of the south bank of the Yuqiao Reservoir. The topographical environment is relatively closed. There are nine low mountains with an altitude of 80-150 meters. The locals also call it nine. Ridge safflower. The mountain is preserved with a relatively intact primary secondary forest. The top of the mountain is covered with pines and cypresses. The mountainside is densely populated with mountains and feet. The four seasons of the safflower mulberry production area are distinct, and the annual average temperature and accumulated temperature are higher than the northern mountainous area and the southern part of the county. It is warm in winter and cool in summer. Due to the separation of the mountain from Yuqiao Reservoir, the water source is sufficient. The slope of the terrain is small, and it is terraced. The soil is sandy shale and limestone. The middle loam is weathered, with good tillage, good ploughing ability, strong permeability and water retention capacity, and high nutrient content. The safflower mulberry has a long history of cultivation. According to the natural breeding habits of mulberry trees, the mulberry trees are brought by the migration of various birds, and the local villagers have gradually stabilized and grafted for many years, forming two stable traits, black mulberry and white mulberry. The black mulberry is purple and black, and the head is large; the white mulberry is yellow and white with high sweetness.

Technical requirements for the quality of safflower mulberry GI products 1. Variety of black mulberry and white mulberry. Second, the site conditions The east, southwest, west and north are low mountains with an altitude of 80 to 150m, and the southeast direction is connected with the plain area. The topographical environment is relatively closed, which is a horseshoe-shaped foothill facing southeast. The slope is 7 to 15° and the slope is southeast. The thickness of the soil layer is ≥60cm, and the cultivating property is good. It is a sub-class of leaching cinnamon soil of cinnamon soil, the soil pH is 7.51 to 7.80, and the organic matter content is ≥1.6%. Third, cultivation management Seedling breeding: mulberry root seedlings or seedlings are used as rootstocks, grafting and breeding seedlings. 2. (2) Planting density: the number of planting plants is ≤750 plants/hm2. (3) Fertilization: The annual use of organic fertilizer ≥ 30t / hm2. 3. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, harvest from late May to early July, picking fruit as the fruit matures. V. Quality characteristics 1. Sensory features: full fruit, large and tight particles. The color is purple black and milky white, shiny. Taste: sweet and soft fragrance, sweet and sour taste, juicy, and the entrance is instant. Fresh and clean, no pests and diseases, no abnormal foreign water. 2. Proanthocyanidins (black mulberry), ≥ mg / g ≥ 10.00 single fruit weight, ≥ g ≥ 2.503. 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 safflower mulberry production area may submit an application to the Tianjin Jixian Quality and Technical Supervision Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Tianjin Quality and Technical Supervision Bureau and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing mechanism of safflower mulberry is selected by the Tianjin Quality and Technical Supervision Bureau in the testing institutions that meet the qualification requirements.