When does Gannan navel orange blossom?
The flowering period of Gannan navel orange can be divided into initial flowering period, full flowering period and withering period in a simple atmosphere. Generally, 5% of the whole navel orange tree is called the initial flowering period, 25%-75% is called the full flowering period, and more than 95% of the petals fall off as the withering period.
After beginning of spring, Gannan navel orange began to sprout quietly, and spring shoots began to sprout at the end of February, and began to blossom at the end of March or early April. April and May are the full flowering period of Gannan navel orange, and then there will be results one after another. Of course, navel oranges are rarely different from place to place. In August, September and 10, there is plenty of sunshine and rainfall in Gannan, which is the best period for Gannan navel orange to absorb nutrients.
When can you pick it when it is ripe and how long can the fruit hang?
June 165438+ 10 can be picked when it is ripe. Because Gannan navel orange is a well-known trademark and a national geographical protection product, there are strict regulations on when it can be picked.
Picking before the picking day is an "illegal" act. Of course, the method of ripening is even worse. In order to create greater influence, it is the basic requirement to adopt no waxing, no ripening and no dyeing for Gannan navel orange.
In the supermarket or fruit wholesale market, Gannan navel orange looks less appreciated than other waxed navel oranges, but it sells the taste, taste and unique fragrance. Other navel oranges are not as rich as Gannan navel oranges.
1820 the orange tree in a monastery in Brazil has a mutation. There is a small orange on the tail of the orange. The oranges on the tree are seedless and cannot be planted by seeds. They must be grafted. 1870, two navel orange trees were successfully grafted in California, and the world popularity of navel oranges began.
Nowadays, navel oranges thrive in Gannan, mainly due to the suitable soil and climate. In addition, Gannan is a rare earth kingdom. Rare earth plays an irreplaceable role in the formation of fruit pigment, increasing the contents of sugar, vitamin C and aroma, and improving crispness and storage resistance.
Gannan navel oranges were picked from early June (5438+065438+ 10), and the longest fruiting period usually reached before the temperature dropped to 0 degrees. Especially, Gannan navel oranges picked in June (5438+February) were more orange-red and attractive.
197 1 year, Yuan Shougen planted the first navel orange in Xinfeng, not far from his residence, and the story began like this …
Content expansion:
Gannan navel orange is a specialty of Ganzhou City, Jiangxi Province, and a landmark product of chinese national geography. Gannan navel orange has an annual output of one million tons. Ganzhou City, Jiangxi Province has become the world's largest navel orange planting area, the third largest navel orange producing area in the world and the largest navel orange producing area in China.
Gannan navel orange fruit is large and straight, orange red is bright and bright, the edible rate is 85%, the meat is crisp and tender, the residue is melted, the flavor is sweet, and the juice content is over 55%.
Gannan navel orange has been listed as one of the eleven dominant agricultural products in China and won the title of "China Famous Fruit". Gannan navel orange, as the only product in Jiangxi Province, was shortlisted in the list of geographical indication products negotiated by the Ministry of Commerce and the AQSIQ.
In 20 16 years, the brand value of Gannan navel orange reached 668. 1 1 100 million yuan, ranking first in the national list of geographical indication products of primary agricultural products for four consecutive years.
In 20 17, Gannan navel orange was listed in the mutual recognition and protection list of "100+ 100" in Central Europe. 20 19, 1 1, and the brand valuation exceeds 50 billion yuan.
2019165438+1October 15 was selected in the catalogue of agricultural brands in China.
Product features:
Gannan navel orange fruit is large and square, generally 250g each, with bright orange red, bright appearance, edible rate of 85%, red color, slightly darker than oranges in other places; The peel is smooth and delicate; The fruit is oval in shape.
quality characteristic
Gannan navel orange is crisp, slag-melting, sweet and has a strong orange flavor; The taste is sweet and sour.
Physical and chemical characteristics
Gannan navel orange contains more than 55% fruit juice, soluble solids 14%, up to 16%, sugar 10.5% ~ 12%, acid 0.8 ~ 0.9%, and solid-acid ratio15. The soluble solid content of Gannan navel orange is 1 ~ 2 percentage points higher than that of American navel orange and 1 ~ 3 percentage points higher than that of Japanese navel orange.
nutritive value
Gannan navel orange is rich in various nutrients necessary for human body. According to the detection, every 100ml of fresh navel orange juice contains: soluble solids 1 1 ~ 15%, sugar11.0 ~ 65438+203.9 mg, and citric acid 0.889 mg. Vitamin A0. 127mg, vitamin B 10.08mg, vitamin B20.03mg, vitamin c 55 ~ 75 mg, and rich in calcium, iron, phosphorus, magnesium, potassium, sodium and other elements. It also contains anticancer substances, such as vitamin P, carotene, carotenoids, (R)- lemon oil, coumarin, flavonoids, limonin analogues, glycerol lipids, acridone and pectin.