Chu Shijian Orange, also known as Chu Orange, is a kind of sugar orange and sweet orange. It is a famous specialty in Yunnan, famous for its sweet taste and thin skin. Sweet and slightly sour, like the taste of life. Because it was planted by Chu, the former chairman of hongta group and former tobacco king, and combined with Chu's unusual life experience, it is also called inspirational orange, and its commercial brand is orange.
Originally from southern China, it is distributed in southern provinces, but it is cultivated in Yunnan, Guizhou, Sichuan, Guangdong and Taiwan Province provinces. Chu orange is a specialty of Yunnan.
Cultivation techniques of Chu orange
Varieties with large fruit, much juice, few seeds or no seeds, slag removal, solid content above 1 1%, less fruit dropping or cracking before harvest, high yield and good stability should be selected. Such as Beibei 447, Yujin Orange and Pear Orange in Jincheng Orange; Carter, olinda, Algerian and Minerva oranges in summer oranges; Bai Liu, Ting Anne, Newhall, red meat navel orange, abundant navel, etc. In navel orange; Tarocco and other new strains.
Using Fructus Aurantii as rootstock to cultivate virus-free improved varieties and strong seedlings is the basis of high yield and high quality cultivation. Seedling raising requires well-developed roots and well-healed interfaces. The height of seedlings is more than 40cm and there are more than 3 branches. Focus on follow-up and strengthen the management of seedling raising with soil. Follow-up should choose loam with sunny, convenient water source, close to plantations, deep soil layer and high organic matter content. There are 1000 plants per mu, and the plant spacing is 60× 100cm.