Puning tankan

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Puning banana mandarin, special product in Puning City, Guangdong Province. Due to its superior ecological conditions, Puning banana mandarin fruit is large in appearance, straight in appearance, fruity orange red and bright, fleshy soft slag, non-nuclear, high in sugar and acid, rich in flavor, excellent in quality, easy to peel, easy to split, easy to eat The excellent variety of hygiene, known as the "Queen of Citrus", is well-known at home and abroad and is very popular among consumers and farmers.

Puning banana orange quality technical requirements (a) varieties. Bai No. 1, Feng 2, Nan 3, Xin Yi, Fu Yi, 85-2. (2) Site conditions. Choose a flat paddy field or hilly mountain with a well-drainage condition of 300 meters below sea level (with a slope of 25 degrees or less), a pH value of 5.5 to 6.5, a loam with low groundwater level, clay loam, and sandy loam. (3) Production technical regulations. 1. Nursery: The nursery land should be more than 2000 meters away from the old mandarin garden. The terrain is wide, the ground is flat, the leeward, sunny, the light is good, the slope is below 5 degrees; the soil is deep, loose and fertile sandy loam; PH5.5 To 6.5; sufficient water source, convenient irrigation and drainage, transportation, transportation; nursery can not grow seedlings. The selection of rootstocks should be strong in roots, strong in roots, adaptable and stress-resistant, with good early-season and high-yield performance. The seedlings grow robustly as rootstock seeds. When the rootstocks grow to 14cm to 16cm, they have 12 It can be transplanted when it is 15 true leaves. Choose the rich treetop shoots of high-quality, robust mother trees to make scions. 2. Planting density: 100 to 120 plants/666.7 meters (mu) of paddy bananas; 80 to 100 plants/666.7 meters (mu) of hills and mountain bananas. 3. Shaping and pruning: shaping by picking the core, cutting the top and cutting the short section. Generally, it is necessary to cut and top the stem before the autumn, and cultivate the semicircular crown by shaping and trimming. 4. Fertilizer and water management: use more organic fertilizer and microbial organic fertilizer, no need to use inorganic fertilizer, multi-element balanced fertilization, and prevent partial application of nitrogen fertilizer. The juvenile tree is based on the principle of diligent application of thin fertilizer, mainly based on nitrogen fertilizer, combined with application of phosphorus and potassium fertilizer, and the amount of fertilizer increases with the growth of the tree body. The result is that the combination of nitrogen, phosphorus and potassium should be applied to promote shoots, strong shoots, flower bud differentiation, preserved flowers and preserved fruit fertilizers and strong fruit fertilizers. Pay attention to drought, irrigation, sputum and platoon. (4) Fruit harvesting and grading. 1. Fruit harvesting: According to the maturity of the variety, the fruit can be harvested according to the intrinsic characteristics of the variety. The harvesting period is generally from late December to mid-January. Picking should be done after the dew on the sunny day. When harvesting fruit, it is necessary to avoid mechanical damage. It is necessary to cut two fruits, and the fruit is cut flat and harvested in stages. 2. Fruit grading: The fruit grading is carried out according to GB/T12947-91. It is mainly divided into three grades according to the appearance quality and internal quality of different varieties of fruit. (5) Quality characteristics. 1. Sensory index: high yield fruit, high quality, single fruit weight 120g to 180g, fruit orange red bright, fleshy soft slag, high sugar content, sweet and sour flavor, easy to peel, easy to eat, no nuclear (average per citrus fruit 1.5 seeds are said to be non-nuclear. 2. Physical and chemical indicators: soluble solids? 10%, total acid amount? 0.9%, solid acid ratio 9.5:1 to 10:1.

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Producers within the scope of protection of the Pu'nan banana GI products may submit an application to the Puning Quality and Technical Supervision Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.