Let me give a brief answer:

Navel orange [qí chéng], original name: sweet orange. Alias: orange, navel orange, fragrant orange, orange. Latin name: Citrus sinensis (L.) Osbeck, class Sapindus., a small evergreen tree of the Rutaceae family, with hairless branchlets and short or no thorns. The leaves are elliptical or ovate, with entire margin or blunt teeth; the petiole has narrow wings and a joint at the top. Navel orange is an improved citrus variety cultivated in various countries around the world. At present, many high-quality navel oranges are also cultivated in various parts of our country. Navel oranges are rich in nutrients and contain various nutrients necessary for the human body. Navel oranges contain a large amount of vitamin C and carotene, which help inhibit the formation of carcinogens, soften and protect blood vessels, promote blood circulation, help lower cholesterol and blood lipids, reduce the possibility of heart disease, and prevent gallbladder disease. Navel oranges are rich in vitamins and can prevent the occurrence of scurvy. The fruit is orange-yellow with green markings. Suitable for potted plants, it is a good product for viewing leaves and fruits.

Linna species

Origin: Linna navel oranges originate from the United States

Navel oranges

California, the United States, and are cultivated most in Spain in the world. It was introduced to China in 1979 and is cultivated in Sichuan, Chongqing, Fujian, Xinning of Hunan, Hubei, Jiangxi and Zhejiang.

Characteristics: First, the tree is weak, short and compact, with an oblate crown, short, thick branches and dense growth.

Second, the fruit is obovate or elliptical, with a single fruit weight of 170 to 230 grams. It is seedless, with a narrow base and many branches, but is easy to break. It has short grooves, an orange-red surface, and smooth skin.

Third, it is of high quality, with crisp and tender meat, rich and sweet flavor, edible rate of 79% to 80%, juice rate of 51%, soluble solids of 11% to 13%, and sugar content of 8 to 9/ 100 ml, acid content 0.6~0.7 g/100 ml, vitamin C content 48 mg/100 ml.

Fourthly, the fruits mature in mid-to-late November and are more resistant to storage.

The fifth is high yield, with a 6-year-old tree yielding 9 to 12 kilograms. Linna navel oranges are of high quality and high yield, and can be grown appropriately in suitable planting sites. Navel oranges from Xinning, Hunan can be stored until June of the next year and still have crisp and tender flesh.

Zigui navel orange

Zigui navel orange, the hometown of Qu Yuan, is very popular and loved by consumers for its long history, rich varieties, unique quality and famous brand. Zigui has therefore become the birthplace of orange culture, a boutique garden of Chinese navel oranges, and an expo garden of citrus varieties.

--Cultivation has a long history. "The Empress has a wonderful tree, and the tangerines are blooming." As early as more than 2,000 years ago, the great patriotic poet and world cultural celebrity Qu Yuan wrote the "Ode to Oranges" to praise Zigui citrus trees as the most precious tree in the world.

--Scaling the base. The county now has 12 towns, 135 villages, 603 groups, 50,000 farmers, and more than 140,000 people growing navel oranges. By the end of 2012, the total area of ??Zigui navel oranges had reached 250,000 acres, with an output of 250,000 tons, and the annual comprehensive industrial benefit exceeded 1 billion yuan. There are 7 towns in the county with navel orange area exceeding 10,000 acres and output exceeding 10,000 tons. There are more than 100 villages specialized in navel oranges, of which more than 60 have an annual output of more than 1,000 tons, and there are more than 2,000 citrus farmers with an annual output of more than 10 tons of navel oranges. Guojiaba Town, Guizhou Town, Shuitianba Township, Shazhenxi Town and Lianghekou Town are the concentrated navel orange production areas in our county.

--High-quality varieties. Zigui is located in the Three Gorges Valley of the Yangtze River. It has beautiful scenery, unique climate, suitable soil, fresh air, clean water, rich vegetation, and superior ecological environment. Zigui navel oranges have thin skin, bright color, crispy meat, juicy meat, strong fragrance, sweet and sour taste. Delicious special quality. The soluble solid content of Zigui navel orange is 12-15%. Each 100 ml of juice contains 11-13 grams of sugar, 0.6-0.9 grams of acid, 50-60 mg of vitamin C, and is rich in protein, inorganic salts, crude fiber, calcium, etc. With a variety of nutrients, it is a high-quality fresh citrus fruit and a pure natural health-care fruit suitable for all ages. "Eating Zigui navel oranges will add points to your health." The county has a national-level citrus breeding test station, with more than 80 citrus varieties in reserve. The main varieties include Newhall, Lunwan, Red Meat, Frost, Zaohong and other excellent varieties, forming a situation where fresh fruits are on the market in all seasons. Good layout.

--Business industrialization.

The county implements the industrial development model of "leading enterprises + professional cooperatives + bases + farmers", which can carry out photoelectric grading packaging and refrigeration of fresh navel orange fruits, and produce navel orange wine, navel orange tea, navel orange jam, navel orange vinegar, pectin, dietary fiber, and essential oils , synephrine and other series of deep processing products. The county has more than 80 professional cooperatives for the production and marketing of navel oranges, more than 40 post-production commercial processing enterprises, and more than 200 brokers. It has advanced automated production lines and more than 40 sets (sets) of mechanized waxing, grading, and packaging equipment, processing fresh fruits annually. The capacity is more than 200,000 tons. More than 80 direct sales windows have been established in major large and medium-sized cities across the country, and a Zigui navel orange sales office has been established in Dubai. The products are sold to 30 provinces, municipalities and autonomous regions and more than 50 large and medium-sized cities across the country, and exported to Russia, Singapore and other countries and Hong Kong and Macao regions.

--Product branding. Zigui navel oranges have won the titles of ministerial excellent products, provincial excellent products and agricultural expo gold medals for many times, and have won more than 60 honors and awards at provincial and above levels. It was awarded the titles of "Hubei Famous Trademark" and "Three Famous Fruits of Hubei Province" by Hubei Province, and was awarded "Chinese Famous Fruit", "China's Famous Brand", "China's Famous Brand Agricultural Products" and "The Most Influential Products in 2011 and 2012" by relevant national departments. "Strengthening China's Agricultural Products Regional Public Brand" and other honors. In 2006, Zigui navel orange was successfully registered as a collective trademark, approved as a protected geographical indication product, and allowed to use the green food label. The special program on Zigui navel oranges was broadcast on CCTV’s prime time program. The Zigui navel orange brand has become a beautiful business card of Zigui and is well-known in China.

During the 12th Five-Year Plan, Zigui will thoroughly implement the Scientific Outlook on Development, seize various development opportunities, actively transform agricultural development methods, and build a complete modern citrus industry system. By 2015, the Zigui navel orange area will reach 300,000 acres (including 100,000 acres of late-maturing navel oranges), the output will be 350,000 tons, and the comprehensive output value will reach 5 billion yuan, making Zigui a "national high-quality navel orange planting demonstration area and the country's largest navel orange Deep processing park, national high-quality late-maturing navel orange demonstration base."

Gannan navel orange

The origin of Gannan navel orange

Navel orange

There are two reasons for its name: First, Gannan is famous for its unique location. Due to the soil conditions, the navel oranges produced are large in shape, bright orange-red, smooth and beautiful, with an edible rate of 74%, crisp and tender meat, slag, rich, sweet and aromatic flavor, more than 55% of juice, and a soluble solids content of 14 % or more, up to 16%, sugar content 10.5% ~ 12%, acid content 0.8 ~ 0.9%, solid acid ratio 15 ~ 17:1. Compared with American navel oranges, the soluble solids content is 1 to 2 percentage points higher. Compared with Japanese navel oranges, the soluble solids content is 1 to 3 percentage points higher. Due to its excellent quality, rich flavor and aroma, it is very popular and invisible. Consumers refer to the navel oranges produced in Gannan as Gannan navel oranges.

Gannan navel oranges are large in shape, bright orange-red, smooth and beautiful, crisp and tender in texture, and rich in sweet and fragrant flavor. They have been highly praised and affirmed by domestic and foreign celebrities, experts and relevant national departments. . Because the majority of farmers have achieved good economic benefits from growing navel oranges, they have found a good way to get rid of poverty and become prosperous. In addition, overseas merchants are optimistic about Gannan navel oranges, which further drives the industry. In order to facilitate sales, enter the big market, and participate in international and domestic market competition, they consciously named local navel oranges "Gannan navel oranges".

Gannan navel orange, a specialty of Gannan. Gannan navel oranges are large in shape, bright orange-red, smooth and beautiful, with an edible rate of 74%. The flesh is crisp and tender, crumbling, and has a rich, sweet and fragrant flavor. It contains more than 55% of juice. The annual output of navel oranges in southern Gansu reaches one million tons. The place of origin, Ganzhou City, Jiangxi Province, has become the world's largest navel orange planting area, the third largest navel orange production area in the world, and the largest navel orange producing area in the country. Gannan navel orange has been listed as one of the eleven most advantageous agricultural products in the country, a national geographical indication protected product, and has won honorary titles such as "Chinese Famous Fruit".

Pingyuan Ci Orange

Pingyuan Ci Orange is the best among Pingyuan navel oranges. 1600 years ago, Cheng Min, the humanistic ancestor of the Hakkas and one of the outstanding representatives of the Hakka sages in the world, traveled thousands of miles from the Central Plains to Pingyuan to take root in the official residence of Batou in order to avoid war. He actively spread the Central Plains culture, taught advanced farming techniques, and took the lead in establishing Public welfare, transforming mountains and rivers, educating villages and changing customs.

Because of his virtues, Emperor Xiao Daocheng of the Southern Qi Dynasty admired him, so Xiao Daocheng named the county where he was located "Chengxiang County"; the reason why "Cicheng" was named was in the hope of combining the excellent quality of Pingyuan Cicheng with Pingyuan's The combination of "virtue" culture and "harmony" culture allows tasters to feel the meaning of "kindness" such as love, care and health while sharing the sweetness of Cicheng. From navel oranges to loving-kindness oranges, although there is only one word difference, it contains the charisma that can cause a huge change in the market position: the humanistic factors attached to the product - love and family affection, have created a cultural gap in the market, which makes " "Ci Cheng" has added special weight to stand out in the market competition.

To sum up, I personally recommend Gannan navel oranges;

The above is for reference only, thank you!