Ugly orange is ugly, so why is it called ignorance fire? Because it was first planted in Japan. In Japanese folklore, Ignorance Fire is a local sacred fire, which is worshipped by people. This variety is known as the first orange in the world and named after Ignorance Fire to expand its influence in the world.

2. Variety characteristics

There is also a saying that this variety does not get angry after eating, and it is refreshing, so it is also called no fire; The ugly orange is bulbous in appearance, with a round front and a small sarcoma behind it. It's awkward and ugly, also called ugly orange.

3. The origin of ugly oranges

Ugly oranges were bred by the Japanese in the 1970s with two varieties, Shimizu Orange and Duanguan Orange, and were widely popularized by them. In 2005, it was introduced to Sichuan and Yunnan to start pilot planting. After the introduction of Sichuan, the combination of grafting and local varieties has achieved good results.

4. Planting range

At present, most of the ugly oranges sold in the market are new varieties grafted from Sichuan, which is the largest ugly orange production base in China. Generally, it is planted in spring every year, but it does not bear fruit in the first year and begins to bear fruit in autumn and winter in the second year. Cold-resistant and easy to store, it is considered to be a better citrus variety.