Method for improving color stability of pulp of red pulp peach

The invention provides a method for improving the color stability of pulp of a red pulp peach. The method comprises the following steps of: sequentially treating a fruit tree as follows: spraying 3-7mg/L sorbitol aqueous solution to a bearing branch of the fruit tree on the 10 th-15 th day when a selected variety of red pulp peach fruits enter a hard pit period; if the time interval between the picking period of the selected variety of the red pulp peach fruits and the hard pit period is less than 30 days, directly picking the fruits in the picking period; and otherwise, spraying 3-7 mg/L sorbitol aqueous solution to the bearing branch of the fruit tree on the 10 th-15 th day before the picking period. The method is simple to operate, economic and effective, and free of harmful substanceresidues, the color stability of the pulp of the red pulp peach is effectively improved, and the economic value is increased. 本发明提供了一种提高红肉桃果肉颜色稳定性的方法，对果树依次进行如下处理：当选定品种的红肉桃果实进入硬核期的第10-15天，对果树的结果枝喷施3-7mg/L的山梨醇水溶液，如果选定品种的红肉桃果实的采摘