Deqing Gonggan, the first citrus in China, is native to Deqing County, Guangdong Province. Its fruit color is golden, its skin is thin and smooth, its meat is crisp and tender, its taste is refreshing and residue-free, its juice is rich, it is sweet and delicious, its fragrance is rich and its flavor is excellent. This fruit is rich in nutrition, rich in vitamins, trace elements, minerals, organic acids, etc. It has a great effect of slaking stagnation and quenching thirst in autumn and winter, and can effectively supplement nutrients and water needed by the human body. It is called a healthy and fashionable fruit upstart by the fruit industry.
Historical background and origin of Deqing Gonggan
Historically, cultivation of Deqing Gonggan began in the Kaiyuan period of Tang Dynasty, with a history of more than 1,3 years. According to reports, during the Shaoxing period of Song Dynasty, Song Gaozong went to Deqing House and tasted the local specialty citrus of Deqing, and praised it again and again. Since then, Deqing Citrus has been honored as a royal tribute, hence the name of tribute citrus. According to experts' research, Deqing Gonggan is a natural hybrid of orange and orange, so it combines the double advantages of beautiful appearance, golden color and rich flavor of orange, tender and smooth meat, easy peeling, refreshing and residue-free, and moderate sweetness of orange. It has an excellent taste and a fragrant and sweet flavor of sleeves, and is an integrator of the advantages of sweet orange, sugar orange and honey pomelo. According to the research of geographical economists, Deqing County has a mild climate and a unique environment, and it is extremely suitable for tribute oranges to grow. The quality characteristics of Deqing tribute oranges are golden and bright-Deqing tribute oranges are extremely rare natural hybrids between oranges and oranges, and their fruit shapes and colors are very similar to oranges, with dignified fruit shapes (horizontal diameter x vertical diameter is mostly within 6.-6.6x5.4-5.9) and large fruit heads (single fruit weight is generally 11g) Crisp and refreshing pulp-Deqing Gonggan not only has the beauty of orange appearance, but also has the advantages of tender flesh and more juice of wide-peel oranges, and the pulp is tender, transparent and crisp without residue, which is incomparable with other oranges;
. Aroma and honey-rich flavor-Deqing Gonggan has a special aroma and honey flavor, which is sweet and delicious. Generally, the soluble solid content is more than 11% (GB ≥ 1%), the total acid content is less than .3% (GB ≥ 4.9%), and the solid-acid ratio is as high as 36.7 to 1 (GB ≥ 1: .9), which is rare at present. High nutritional and health care value-Deqing Gonggan is very nutritious, containing a lot of organic fructose, sugar and organic sterile water, and rich in vitamins, organic acids, trace elements and minerals. Nutritionally, organic fructose can effectively supplement human carbohydrates, and will not increase human blood sugar like ordinary edible sugar. Fruit juice containing a large number of various nutritional and health-care ingredients can effectively supplement a large amount of water and nutrients needed by the human body in the dry season of autumn and winter; High edible rate-Deqing Gonggan has a high edible rate of over 8% (over 7% in the national standard) due to its thin skin and few stones (generally only about 6 grains) and no residue. The brand and honor of Deqing Gonggan (1) was registered and certified by the national "mark of origin protection" in November 24:
(2) Deqing County was awarded the honorary title of "Hometown of Gonggan in China" in October 23;
(3) In November 24, Deqing County won the honorary title of "Top Ten Counties of Citrus Industry in China";
(4) In December 2, it was awarded the title of "Chinese Famous Fruit";
(5) In September, 22, it was certified as a grade green food product in China;
(6) In September 24, it won the title of "Guangdong Famous Brand Product";
(7) In January 25, it won the honorary title of "Guangdong Famous Trademark"; (8) In December, 22, it was designated as the special fruit Deqing Gonggan by the World Guangdong Fellowship Association, so its reputation is far-reaching. In the current dazzling array of fruits, it is like a favored princess with natural talent and national color, fresh and refined, and it is the only one, adhering to the noble quality of the imperial palace in the past, and becoming the new upstart of fruits and the best among oranges. The necessary growth conditions of Deqing tribute oranges The reason why Deqing tribute oranges stand out from the same group with excellent quality stems from the unique geographical environment and climate conditions of Deqing County: Deqing County is located in the central and western part of Guangdong Province, with a mild climate, abundant heat, abundant rainfall and a long frost-free period. The annual average temperature is 22.2℃, the annual average rainfall is 1434 mm, and the annual average sunshine hours are 1662 hours. It is surrounded by mountains in the east, west and north. Sandy loam is the soil of mountainous and cultivated land in Deqing. After long-term improvement and utilization by human factors, the soil layer is deep, loose and breathable, with good water and fertilizer conservation, rich in organic matter (1.27-1.94% in dry land and over N12％% in water) and PH value of 4.5-6.5. This unique geographical environment, soil and climate conditions are very suitable for the growth of citrus, which can not only meet the effective accumulated temperature of citrus growth; It can achieve a proper temperature difference between day and night, so that the peel coloring and tissue softening degree of Gonggan orange and the contents of soluble solids, organic sugars, vitamins, organic acids, trace elements and minerals all reach the best standards.
the development process and present situation of Deqing tribute orange, a traditional and famous agricultural product in Deqing county, has a long cultivation history. According to historical records, Deqing was called Duanxi and Kangzhou in ancient times. As early as the Kaiyuan period of the Tang Dynasty, agriculture was quite developed, mainly planting. In the county, especially in the towns of Mawei, Guanwei and Xinwei, a large number of tribute oranges and sugar oranges were planted. After the reform and opening up, especially in recent years, Deqing County has given full play to its scientific and technological advantages in quality, actively won technical support from scientific research institutes and universities at all levels, established virus-free seedling base, purification and rejuvenation center, preservation and processing technology and promotion center, standardized production system and product quality system, and established a 35,-mu demonstration base for green food production of citrus, vigorously promoted the biological control technology of "killing mites with mites", and continuously improved the quality of citrus by relying on science and technology; Moreover, according to the direction of agriculture and industrialization, we should take the road of market-oriented operation, recruit powerful merchants and work together to establish an integrated business model of production, preservation, processing and sales of tribute oranges. In order to build "the first citrus in China", more than 6 million yuan was invested to build a few hundred mu of Gonggan mother orchard, a standardized virus-free seedling base and a Gonggan purification and rejuvenation center, and the first >: Established a national-level standardized production demonstration zone and 26 provincial, city and county-level standardized production and standardized management demonstration zones, formulated "Several Decisions on Strengthening the Production Management of Gonggan Shatangju to Promote the Sustainable Development of the Industry", and strengthened the planting and quality management. Support the development of several fruit companies and a large number of large producers and distributors, support the establishment of citrus associations, etc., and improve the quality and market competitiveness of tribute oranges with a series of measures. In recent years, our county has held various promotion activities in Beijing Great Hall of the People, Diaoyutai State Guesthouse, Shanghai, Northeast China, Northwest China, Central China and other places in accordance with the concept of building "China's first citrus", and established more than 13 marketing outlets in more than 5 large and medium-sized cities such as Pearl River Delta, Yangtze River Delta, Beijing and Tianjin, Northeast China, Sichuan and Chongqing, and also expanded overseas markets such as Hong Kong, Macao, Netherlands, Britain and Singapore.
At present, there are more than 3, growers in our county, planting 15, mu of tribute oranges and sugar oranges. This year, more than 7, mu of them have been put into production, with a total output of more than 1, tons. It is estimated that the total sales will be 4-5 million yuan, and the per capita income of farmers alone will be more than 1, yuan.
At present, our county's tribute oranges and sugar oranges sell well all over the country and are well-known in overseas markets such as Hong Kong, Macao, the Netherlands, Britain and Singapore. Deqing Gonggan's celebrity expert comments Deqing Gonggan can be described as the best in citrus, and it has received rave reviews from all walks of life:-For example, timur Awamaiti, former vice chairman of the National People's Congress Standing Committee (NPCSC), said, "I have focused on China's agricultural work and traveled all over the country, but I have never eaten such delicious fruit. Deqing Gonggan is delicious and delicious, sweet and refreshing, free from residue, full of water, and can quench my thirst without getting angry. Feeling is very beneficial to health "-as Professor Ma Peicha from the Fruit Research Institute of Guangdong Academy of Agricultural Sciences said: Deqing tribute citrus has beautiful fruit shape, golden color, sweet and fragrant, thin skin and few stones, crisp meat without residue, high sugar and low acid, and excellent taste, which is incomparable to other citrus varieties. Its fruit shape, fruit color, juice cell shape and growth morphology are similar to orange, but the sponge layer is thin, and the capsule petals are easy to separate from the pericarp and capsule, which has the characteristics of orange. It has the dual advantages of orange's beautiful appearance, golden yellow color, rich flavor, aroma, tender flesh, easy peeling, delicious residue-free, and moderate sweetness. It also has the fragrant and sweet flavor of grapefruit and integrates the advantages of sweet orange, sugar orange and honey pomelo. It can be asserted that the citrus industry in the 21st century will be the century of hybrid oranges.
Deqing Gonggan Gonggan was originally a rare citrus variety in Zhaoqing, Guangdong Province. Because of its excellent quality, it was named as a tribute of the imperial court in the past. According to textual research, Gonggan is a natural hybrid of orange and orange, which has the dual advantages of orange and orange. Deqing is the main origin of tribute oranges, which has a long history of cultivation. It has been cultivated and purified by Deqing people for generations and has been passed down to this day.
Deqing tribute citrus has beautiful fruit shape, golden color, thin skin and few stones, crisp meat residue, sweet and fragrant honey, high sugar and low acid, and rich flavor. It combines the double advantages of beautiful appearance and tender and easy peeling of citrus, which is incomparable to other citrus varieties and is known as the "King of Citrus". According to the test, the average fruit weight of Deqing Gonggan is 12-15g, the fruit diameter is 6-65mm, the soluble solid (mainly sugar) is over 11-13%, the edible rate is over 76.7-79%, the solid-acid ratio is as high as 36.7-37.1: 1, and the total acid content is as low as .3-.35%. It ripens around the winter solstice every year and has a long harvest period. It is an excellent fruit for the New Year Festival. This fruit is nutritious, rich in vitamins, trace elements, minerals, organic acids, etc. It has a great effect of relieving stagnation and thirst in autumn and winter, and can effectively supplement nutrients and water needed by the human body. It is called a healthy and fashionable fruit upstart by the fruit industry.