Orange: usually oblate to nearly spherical, the skin is thin and smooth, or thick and rough, light yellow, vermilion or crimson, easy to peel or slightly easy to peel.
Oranges: The fruits are oblate or pear-shaped, with different sizes, with the big diameter of 8 cm and the small one of about 4 cm. There are annular protrusions and shallow radial grooves at the top of the fruit, and pedicels sometimes have radial grooves. The skin is rough, the pits are even, the oil cells are large, the skin is 2-4 mm thick, light yellow and easy to peel.
Citrus: first green, then yellow-green, then golden yellow. When it is fully mature, it is yellow with red in it. A fully ripe orange is the size of a small bowl.
2. Different tastes
Orange: Its petals are slightly sour, its skin is thin and red, and its taste is bitter and bitter.
Orange: The flesh is yellow and white, and it tastes very sour, often with bitterness or peculiar smell.
Oranges: Oranges are juicy and sweet, sweet and sour. My Sweetie's, almost ripe, tastes sour, bitter and astringent.
3. Different growth habits
Oranges: The growth, flowering and fruiting of orange fruit trees are closely related to environmental conditions such as temperature, sunshine, moisture (humidity), soil, wind, altitude, topography and slope direction, which have the greatest influence on temperature. Even if the temperature difference is 0.5℃, sometimes there will be completely different results. The growth and development of citrus fruits need a temperature of 65438 02.5 ~ 37℃.
The day and night temperatures of flower bud differentiation in autumn are about 20℃ and 65438 00℃, respectively, and the soil temperature of root growth is roughly the same as the ground temperature. If the temperature is too low, oranges will freeze. When the sweet orange is at -4℃ and the satsuma orange is at -5℃, the branches and leaves will be frozen. When the sweet orange is below -5℃ and the satsuma orange is below -6℃, the branches will be frostbitten. When the sweet orange is below -6.5℃, the satsuma mandarin will freeze to death.
Slightly resistant to shade, like warm and humid climate, not cold-resistant, freezing injury occurs when the temperature is lower than -8℃, and it is suitable for growing in deep and fertile neutral to slightly acidic sandy loam.
High temperature is also not conducive to the growth and development of citrus. When the air temperature and soil temperature are higher than 37℃, fruits and roots stop growing. Temperature also has obvious influence on fruit quality: in a certain temperature range, with the increase of temperature, the sugar content and soluble solids increase, the acid content decreases and the quality becomes better.
Oranges: The growth, flowering and fruiting of oranges are closely related to environmental conditions such as temperature, sunshine, moisture (humidity), soil, wind, altitude, topography and slope direction, which have the greatest influence on temperature. Even if the temperature is different, sometimes there will be completely different results. The optimum temperature for citrus growth is ~ 37℃. When flower buds differentiate in autumn, the temperature of day and night is required to be about 20℃ and 10℃ respectively. Too low a temperature will freeze oranges. In addition, oranges are shade-tolerant trees, but good sunshine is needed for high quality and high yield. Generally, areas with annual sunshine hours 1200 ~ 2200 hours can grow normally.
Citrus: When the flowers wither, a pea-sized citrus grows. In July and August, oranges grow to the size of a vegetable garden. Slowly, the citrus is fully ripe, as big as a small bowl. In autumn, golden oranges are covered with branches, and autumn is full of vitality, which makes people drool.
There are many varieties of citrus, including Jincheng Orange, Xianfeng Orange, Sugar Orange, Jinhua Orange, Spring Orange, May Red Orange, Navel Orange, Goose Egg Orange, Peach Leaf Orange, Nanzhu Orange, Blood Orange, etc ... It is said that blood orange can not only supplement nutrition, but also replenish blood. Jincheng orange pulp is tender and slag-removed, with moderate sweet and sour taste, rich juice and slight aroma. Fruit has more edible parts, more juice and fewer seeds.
Xianfeng orange color is slightly light orange red, with sweet and sour taste, rich aroma and a little more seeds. Bamboo and oranges are exported to Russia and other countries and sell well at home and abroad. Goose egg orange, oval, contains a lot of juice and tastes sweet and sour.
In addition, there are thin-skinned, tender-skinned and sweet-tasting candied oranges and tung oranges. There are late-maturing sweet oranges "May Red" and "Qingbo Summer Orange", which bloom in the first year and mature in April the next year. There are crisp, sweet and storable red oranges and yellow oranges.
Orange-Baidu Encyclopedia
Orange-Baidu Encyclopedia
Polish rod-Baidu encyclopedia