Xinjiang Aksu is located in the southern foothills of the Tianshan Mountains in Xinjiang, on the northern edge of the Tarim Basin. The land is fertile and the light is sufficient. The area is suitable for planting various crops and fruits, and the planting area of ​​the fruit and fruit industry has reached 450,000 mu, enjoying the name of “China Red Fuji Township”. . Xinjiang Aksu apple has passed the certification of organic fruit base. Red Fuji apple is crispy and juicy because of its fruit flavor. It is delicious and refreshing. It is deeply loved by consumers and is the main cultivated and exported variety of apples in China. At present, the planting area of ​​Aksu apples in our district has reached 214,000 mu, and the annual output has reached 50 million tons. However, due to the limitations of post-harvest preservation methods, and with the extension of post-harvest storage period, the fruit texture will continue to change, while still Along with the fruit rot, the refusal of complete statistics, the apple rotten fruit rate reached 10% to 18%, which seriously affected its economic benefits. Therefore, studying the preservation quality and preventing rot of Aksu Red Fuji apple is of great significance in the field of preservation in China.

During the post-harvest storage of fruits and vegetables, the decay caused by the infection of pathogenic fungi is the main cause of its loss. The identification methods of traditional pathogens are mainly classified according to morphological characteristics, conidiophores and colony morphology. However, due to the morphological characteristics of many pathogens and the variability of their culture traits, this method has certain limitations.