1, variety: Dounan apple is a Japanese variety, while the red Fuji is a coloring system Fuji selected from the bud (branch) change of the ordinary Fuji.

2, appearance: Dounan apple fruit large, single fruit weight 360-450 grams, fruit bottom color yellow, full bright red, calyx pits and stalk pits can also be colored (no need to bag and spread film), bottom color yellowish, fruit surface is smooth, thin, tough skin, yellow flesh, flesh fine and crisp, sweet taste, has a strong flavor. The red Fuji is the general name of the coloring system Fuji selected from the ordinary Fuji bud (branch) change, the coloring system Fuji has a number of varieties, such as red Fuji 1, red Fuji 2 and so on.

3, taste: Doonan apple flesh fine and crisp, juicy, sweet and sour flavor, soluble solids content of 16.25%, quality. And red Fuji apple flesh is yellowish white, dense flesh, fine and crisp, juicy, sweet flavor, aroma.

4, origin: Doonan apple produced in Shaanxi Yan'an area. The red Fuji apple is suitable for growth in a cool and humid environment, cold hardiness, growth temperature of 15-25 ℃, the soil requirements are not strict.