In what month is Gannan navel orange the best? What kinds of navel oranges are there in Gannan?

Navel orange is planted in many places in China, but it is famous for its large planting area and good taste.

In what month is Gannan navel orange the best?

Zigui navel oranges from four navel orange bases in China generally ripen in June, and Gannan navel oranges ripen in June165438+1October every year. Generally, every year, the staff of Gannan Navel Orange Association will be stationed in various counties and cities in Gannan early. The main purpose is to prevent:

1, pick navel orange early;

2. Prevent ripening time;

3. According to the sampling situation in various places, determine the picking date, which is generally between 1 1-6 per year.

165438+1When navel oranges were picked in early October, most of them were orange. Of course, a few are orange-red, but by the time of 1 1, basically all navel oranges are orange-red, with more attractive fragrance and more delicious taste. Therefore, Gannan navel orange at the end of 1 1 is the best, with different geographical conditions. There are thousands of navel oranges, 1 and navel oranges can be picked. Navel oranges should be harvested from the end of 65438+ 10 to the end of February, and fruits should be harvested immediately when the temperature drops below zero.

Gannan navel orange is difficult to store. Generally, there are few navel oranges in Gannan after the Lunar New Year, but if there are storage conditions, such as storing navel oranges in the cellar for 6 months, if you are diligent in management, the good fruit rate can reach about 90%. In this way, if it was harvested in February 65438, it can be preserved until May of the following year.

What kinds of navel oranges are there in Gannan?

1, Newhall navel orange. Navel orange was introduced to China on 1978, and it was planted in many provinces (cities, autonomous regions) producing navel orange. The tree grows vigorously, the tree shape stretches, the crown is flat or round, the branches are short and dense, the leaves are dark, and the fruit is later than that of Pengna navel orange and Robertson navel orange. The fruit is oval to oblong, large, with a single fruit weight of 200-250g, smooth surface, orange-red, and mostly closed umbilicus.

2, umbilical cord blood navel orange. Navel orange Navel orange originated from a bud mutation of Dobelina, with small and weak tree body, early emergence of young trees and high yield. The fruit is larger than DobleFina, with medium to large shape, round to oval shape and usually closed umbilicus. Smooth skin, medium thickness, and persistent style. The skin with pale bloodshot is not as tough as Bifina or Sangji's hard-working blood orange, and the edge is moderately elastic and easy to peel. The color of blood depends on the climatic conditions. Generally, bloodshot is shallow and few, and there may even be no traces of bloodshot under cold conditions. The flavor is less sour and more sweet (compared with Shuangfeina), but it lacks the inherent fragrance of blood orange.

3. Washington navel orange. Washington navel orange is also called Mei orange, Baozi orange and Citi orange, and in some places it is also called seedless orange and seedless orange, or China navel orange for short. The fruit is oval, narrow at the base, enlarged at the top, with umbilicus, small, open or closed, large, and the single fruit weighs more than 200 grams; The fruit is dark orange or orange-red, with smooth surface, life-long or slightly convex oil cells, uneven peel thickness, thin top, easy peeling and cracking, kidney-shaped capsule with 10~ 12 petals. Seedless, high quality, very suitable for fresh food.

4. Robertson navel orange. Robertson navel orange, also known as Robinson navel orange (short for Luo navel or Lu navel), was bred by bud mutation of Washington navel orange, which was discovered in 1925, registered in 1936, and introduced to China in 1938. Sichuan, Chongqing and Hubei provinces (municipalities) are widely cultivated. The fruit is round or ovoid, inverted cone-shaped, large, and the single fruit weight is180 ~ 230 g. The top of the fruit is round or slightly smooth, the peel is orange-red, the oil cells are fine, the umbilicus is large, mostly closed, and the central column is short and small, half full. No nuclear, good quality.

5, Thomson navel orange. Thomson navel orange originated in the United States, also known as soup navel, and was selected from the bud mutation of Washington navel orange. There is a small amount of cultivation in Sichuan, Chongqing and Hubei. The fruit is oval or spherical, weighing 160 ~ 200g, with smooth surface, fine cells, dark orange or orange-red, and thin peel, which is slightly inferior to Washington navel orange.

6. Penna navel orange. Penna navel orange, also known as Skegersbona navel orange, is a mutant selected from S trathmore Washington navel orange in California, USA. 1978 was introduced to China and cultivated in Sichuan, Chongqing, Hubei, Hunan, Jiangxi, Zhejiang, Guangxi, Guizhou, Yunnan, Fujian and other provinces (cities, autonomous regions). The fruit is large, short oval or inverted cone, orange or dark orange, and the surface is smooth; The pulp is crisp and tender, dense, rich in flavor, sweet and sour, seedless and of good quality. The fruit 165438+ 10 ripens around the middle of October and is relatively storable.

7. Xiaolan Shen navel orange. Lina navel orange, formerly known as Navelina, is a precocious bud mutation of Washington navel orange and the main variety of Spanish navel orange. It was introduced to China from 65438 to 0979 and cultivated in Sichuan, Chongqing, Hubei, Fujian, Hunan, Jiangxi, Zhejiang and other provinces. The oval shape of the fruit can grow into an inverted oval shape, which is larger. Single fruit weighs 200~230 grams. The top of the fruit is blunt, the base is narrow and often has small grooves. The fruit is orange-red or dark orange, smooth and thin. Xiaolan Shen navel orange is one of the navel orange varieties popularized in China, which has no peeling disease, high quality and high yield.

8. Abundant navel (tentative name). Umbilical-rich line 1977 was introduced from California, USA, and originated from the variation of Washington navel orange. Sichuan, Chongqing, Hubei and other provinces (municipalities directly under the central government) are widely cultivated, and Jiangxi, Zhejiang, Fujian, Hunan, Guangxi, Yunnan, Guizhou and other provinces (autonomous regions) are also cultivated. The fruit is spherical and obovate, with a single fruit weight of 220 ~ 230g, mostly with closed umbilicus, thin peel and orange-red color. The navel is rich, does not crack the skin, and takes Fructus Aurantii as the rootstock to bear fruit early, with high and stable yield, which is an important variety popularized in the development of navel orange in China.

9. Other varieties: frost navel orange, late-maturing navel orange, Crates navel orange, Ting Anne navel orange, Bai Liu navel orange, Dasan navel orange, Bahana navel orange, Fuben navel orange, amber navel orange, red meat navel orange, Maltese navel orange, Mocote navel orange, etc.

How to keep Gannan navel orange fresh

The storage conditions of navel oranges are 1~ 10℃ and 80%~95% relative humidity, which requires the warehouse to keep fresh air. Some basic requirements of navel orange for storage environment conditions are difficult to achieve under simple storage conditions, but the requirements of navel orange for storage environment conditions are also flexible. In-situ storage, in-situ anti-corrosion treatment, fine and timely harvesting, to a large extent, simple storage can achieve better results.