What looks like a small orange under the orange is a by-product of navel orange, but it is actually a conjoined twin orange, and that navel is a by-product of little twins. Oranges on navel orange trees are seedless and cannot be planted by seeds, but can only be grafted.
Small oranges can also be eaten. Navel oranges can be eaten in all parts except the seeds in the pulp, but people think that navel oranges may have phytohormones and other residues and are unwilling to eat them.
Due to the poor quality and taste of navel oranges in some areas, adopting some artificial technical treatments to improve these shortcomings will make the pulp in navel oranges underdeveloped, but it will not affect eating, just like pulp.
Extended data:
Navel orange is an excellent citrus variety cultivated all over the world. There is an umbilical cord at the top of the fruit, and the whole umbilical cord is wrapped in the peel. Only 65,438+0 styles are left at the top to expose the umbilical cavity, and some protruding from the pericarp are called umbilical opening or umbilical exposure. In addition to large capsules, there are small capsules developed from secondary carpels in navel orange fruits, which are seedless.
The fruit is spherical, oblate or oval, orange-yellow to orange-red, and there are some umbilical cords formed by immature carpels at the top of the fruit. The fruit is verified or half full, and the flesh is yellowish, orange-red or purplish red. Some will also have a side effect, that is, small oranges, which will not affect eating.
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