红富士苹果着浅红色或基本不着色,原因是多方面的。一是与品种有关系。果实着色差是由于品种本身的生物学特性所决定的,与环境条件没有什么关系。如1980年以前引进的红富士苹果,多数品种着色不好。而引进的秋富、长富品种,进一步选种如烟2001,着色浅红,树的内膛、外围果实着色都好,一般着色面在60％～90％。二是与采收的时间有关系。红富士苹果是晚熟品种,一般在10 Red Fuji apple with light red or basic non-coloring, for many reasons. First, the relationship with the variety. Fruit coloring is due to the biological characteristics of the species itself, and has nothing to do with the environmental conditions. As introduced before 1980, Fuji apple, most species coloring is not good. The introduction of the autumn rich, long rich varieties, further selection of smoke 2001, coloring light red, tree bore, the outer fruit coloring are good, the general coloring of 60% to 90%. The second is related to the time of harvesting. Red Fuji apples are late-maturing varieties, generally at 10