Jing'an ponkan has a compact plant type, early results, fruit shape, bright color, crisp meat, sweet taste, late maturity, storage resistance, etc. It is known as the "Fodong Orange King", Jingan touches orange similar to citrus In contrast, the citrus is uniform in size, full in water, beautiful in color, and resistant to storage.

"The hand is climbing the leaves and the fruit, the golden wind is turning green and red." Every winter, the fields in the fields, behind the slopes, laughter, this is a harvest day. The trees are all red peony, do not pick carefully, pick one off, enjoy the play: the fruit shape is full and correct, the peel is smooth and delicate, orange red and bright; taste: the flesh is crisp, the taste is sweet, with a sweet fragrance. The carefully picked citrus is carefully stored for three or two months, and the fruit is more concentrated and attractive. Jing'an citrus is a fine variety that was cultivated on the local red cultivar by the old horticultural worker Hu Yeping in the horticultural field of Jing'an County in 1952. In 1962, the Jiangxi Academy of Agricultural Sciences officially named the variety "Jing'an Citrus" and was rated as a key scientific research achievement by Yichun. In June 1992, the Jiangxi Provincial Government held a symposium on the forest and fruit industry in Jing'an, which focused on the development of Jing'an citrus, and introduced, publicized and studied Jing'an citrus. The leaders, experts and scholars of the conference gave high praise. In the same year, it was approved by the State Science and Technology Commission to be included in the national-level Spark Program. In 2003, China Quality Product Development Service Association awarded Jingan County the title of “Hometown of Chinese Citrus” and was certified by the Agricultural Product Quality and Safety Center of the Ministry of Agriculture to grant the use of pollution-free agricultural products.

Jing'an citrus quality technical requirements (1) varieties. Xiangyuan ponkan. (2) Site conditions. In the protected area, the slopes below 400 meters above sea level, red soil, yellow soil, purple soil and loam formed by alluvial soil, sandy loam soil is appropriate. The soil layer is rich and fertile greater than or equal to 1 m, the soil organic matter content is greater than or equal to 2%, the groundwater level is less than 1 m, and the pH is 5 to 7. (3) Cultivation management. 1. Nursery: The clam shell is used as the rootstock, which is grafted and propagated. 2. Colonization: (1) Colonization time: in spring, before the spring buds sprout in February, the autumn shoots in the autumn from September to October are planted. (2) Planting density: less than 844 plants per hectare. 3. Fertilizer and water: mainly based on organic fertilizer, rational application of inorganic fertilizer; annual application of organic fertilizer per hectare is greater than or equal to 15 tons. The citrus irrigation must have proper irrigation capacity, and the soil water content should be about 60% to 80% of the field water holding capacity. 4. Flower and fruit management: In order to make the citrus fruit tidy, large, high quality, good commodity performance, it is necessary to carry out thinning and fruit thinning. The juvenile tree shortens the part of the mother branch through winter and spring, increases the vegetative shoots, reduces the result branches, and controls the amount of flowers. After the second physiological fruit drop, the ponkan can determine the amount of fruit per plant according to the ratio of leaf to fruit, and remove the excess fruit. The yield per acre is controlled below 2 tons. 5. Plastic pruning: The tree shape is mainly round head shape and natural happy shape. The mandarin orange is mainly pruned in the production, such as short shearing, thinning, retracting, etc., combined with bud shoot, ring cutting, circle branching, pulling branches And other auxiliary measures to achieve a full coverage of 70%, leaf to fruit ratio of 50 to 60: 1. 6. Environmental and safety requirements: the use of pesticides, fertilizers, etc. must comply with the relevant national regulations, and must not pollute the environment. (4) Picking and storage. Picking in the middle and late November, single fruit packaging, storage at room temperature for 30 days before going public. (5) Quality characteristics. 1. Sensory features: high flat round, complete fruit, bright orange (yellow) color, smooth and delicate peel, fruit thickness of about 1mm, bright flesh, crisp and tender slag, sweet flavor, moderate sweet and sour, with this variety Characteristic aroma. 2. Physical and chemical indicators: project indicators, special grade, soluble solids (%) ≥ 12.0 ≥ 12.0 solid acid ratio ≥ 11.0: 1 ≥ 11.0: 1 edible rate (%) ≥ 70 ≥ 65 fruit traverse (d) / (mm ) 70.0 ≤ d 65.0 ≤ d u003c 70.03. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

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Producers within the scope of protection of Jing'an citrus GI products may submit an application for the use of “Special Marks for Geographical Indication Products” to the Quality and Technical Supervision Bureau of Jing'an County, Jiangxi Province, which is reviewed by the Jiangxi Provincial Bureau of Quality and Technical Supervision and announced by the General Administration of Quality Supervision, Inspection and Quarantine. Approved. The statutory testing agency of Jingan Citrus is designated by the Jiangxi Provincial Bureau of Quality and Technical Supervision.