Xilin County has a subtropical monsoon climate, with no heat in summer, no severe cold in winter, abundant sunshine and rainfall, and the soil is deep, loose, moist and fertile, which is very suitable for planting Shatangju. Shatangju planted in this county has high yield and good quality. The fruits produced are not only sold locally, but also exported to various markets inside and outside Yunnan, Guizhou and Chongqing. 20 1 1 was awarded "the hometown of Shatangju in China" by China Economic Forestry Association.
Xilin County has a subtropical monsoon climate, with no heat in summer, no cold in winter, abundant sunshine and rainfall, and the soil is deep, loose, moist and fertile, which is very suitable for growing fruits. In 2002, Xilin County began to introduce Shatangju cultivation and develop Shatangju industry. Due to the good climate and geographical conditions, Shatangju planted in this county has high yield and good quality, and the fruits produced are sold to domestic and foreign markets in Yunnan, Guizhou, Chongqing and other regions. Best-selling products have greatly stimulated farmers' enthusiasm for growing fruits. Farmers are very keen on growing fruits. The planting scale of Shatangju is expanding rapidly, and its quality is also improving steadily. 20 1 1 was named "the hometown of Shatangju in China" by China Economic Forest Association. At present, the planting area of the county has reached 6.5438+0.26 million mu, with an estimated annual output of more than 90,000 tons and an output value of more than 300 million yuan.
The cultivation management of Xilin Shatangju is based on "organic food". Fertilization, no chemical fertilizer, no garbage fertilizer, only organic fertilizer and biological fertilizer, to ensure that all indicators of soil meet the requirements of organic food. In pest control, toxic pesticides are not used, and comprehensive technologies such as insect net, bagging and trapping are adopted, and biological technologies such as the protection and utilization of natural enemies are used for comprehensive pest control. There is no pesticide residue, which meets international standards.
"Shatangju in Xilin County has a high edible rate, high sugar content, soluble solids 14%, rich fruit juice content, crisp and tender pulp texture, seedless residue and sweet taste". This is a high-quality fruit appraisal group composed of authoritative experts from Beijing, Shanghai and other countries in 2009, which scientifically appraised the sugar content and nutritional components of "Xilin Shatangju".
From 2009 to 20 10, Xilin implemented the scientific and technological project "Demonstration and Promotion of High-yield Cultivation Techniques of Pollution-free Shatangju in High Altitude Areas", passed the appraisal of experts' achievements as scheduled, and won the first prize of scientific and technological progress in Baise on 20 10; In 2009, Xilin Shatangju won the certificate of pollution-free agricultural products in China, and 58,000 mu Shatangju orchard passed the certification of pollution-free agricultural products in the autonomous region; 20 1 1 year 1 1 month, Xilin county was named as "the hometown of China Shatangju"; 2012165438+122 October, Xilin Shatangju was certified as a "national product protected by geographical indications".
Xilin shatangju
Xilin County of Guangxi Zhuang Autonomous Region now governs eight townships, namely Bada Town, Guzhang Town, Mabang Township, Puhe Miao Township, Zuona Miao Township, Zubie Yao Miao Township, Xiping Township and Nalao Township.
Notice of Xilin County People's Government of Guangxi Zhuang Autonomous Region on Determining the Protection Scope of Geographical Indication Products of Xilin Shatangju, Xi [20 12] No.21The local standard of Xilin County of Guangxi Zhuang Autonomous Region: DB45 1030/T5-20 10 Xilin Shatangju.
I. Diversity
Shatangju
Second, the site conditions
Within the range of origin, the altitude is 500m to 1 100m, the soil type is black loam, the soil quality is loose, the pH value is 5.0 to 7.0, the soil thickness is ≥600mm, the organic matter content is ≥2%, and the groundwater level is ≤1m..
Third, cultivation management.
1. Seedling propagation: grafting propagation with lime as rootstock. The nursery standard of seedlings: the height of seedlings is 350mm-600mm, the ground diameter is 10mm, and the seedlings are three-branched.
2. Planting: The planting time is from September when autumn shoots are mature to 65438+ 10 or from February to March when spring shoots sprout. Plants per hectare ≤ 1 150 plants.
3. Shaping and pruning: By controlling buds, thinning and short cutting (coring), timely putting out shoots and shaping and pruning, a round-headed crown with compact branches and high yield was cultivated.
4. Fertilization: mainly organic fertilizer, with appropriate inorganic fertilizer; Fertilize decomposed organic fertilizer ≥ 15000kg, pure nitrogen ≥540kg, phosphate fertilizer ≥270kg and potash fertilizer ≥540kg per hectare every year.
5. Environmental and safety requirements: The use of pesticides and fertilizers must comply with the relevant provisions of the state and must not pollute the environment.
Fourth, fruit harvesting.
When the fruit matures normally and the peel completely changes from light orange to orange, fresh fruit can be harvested. Stored fruits are harvested 7 days earlier than fresh fruits to 10 days. Harvest time range: 65438+00 on February 20th to February 20th of the following year. Double-cut harvesting: cut off the pedicel 1cm for the first time, then cut the pedicel flat and the sepals are intact.
The quality characteristics of verbs (abbreviation of verb)
1. Sensory characteristics: the fruit shape is flat and full; The fruit color is bright orange-red, the color is uniform, and the sand is shiny; The flesh is sweet, crisp, slag-melting, tender and juicy.
2. Physical and chemical indicators:
Project index
Fruit transverse diameter (mm) 30 ~ 55.
Soluble solid content (%)≥ 14.0
Total acid content (%)≤0.55
Edible rate (%)≥70
Ash (%)≤0.5
Protein content (%)≥0.8.
3. Quality and technical requirements such as safety: Quality and technical requirements such as product safety must comply with relevant national regulations.