Long Navel Breeding And High Yield And Quality And Efficient Cultivation Techniques

Changhong oval orange is selected from Newhall with the strict criteria of production and good fruit flavor in zigui county in 1998. Chanhong oval orange is the budmutation variety of Newhall. By investigation and analysis ,the production and the character of Changhong oval orange is very good to those of Newhall. In the investigation of the biological peculiarity of Changhong oval orange, we understand it's peculiarity of grown, bloom and fruit grown. In order to improve the production of new good variety, on the basis of the biological peculiarity, we go on investigating, testing, and practicing. At the end, a complete reasonable techniques of cultivation are made out. They are the technique of building new orchard with high standard, the technique of protecting bloom and fruit, the technique of improving bloom, the technique of applying fertilizer, the technique of preventing diseases and pests, and so forth. With the new techniques, the spread of Changhong oval orange is very extensively, and very high economic benefit has been gotten.