The red marshal apple, a thick red bud of the red banana (marshal), is one of the world's main cultivars. The fruit is large, the fruit is conical, the average single fruit weight is 200g, and the large one can reach more than 500g. The flesh is yellow-white, the flesh is brittle, the texture is coarse, the crunchy is more brittle, the juice is rich, the taste is sweet, and the soluble solids are 14