RNA sequencing
Once the seedlings reached the 3-4 true-leaf stage, they were transferred to the greenhouse. Female melon flowers were marked with the date of pollination, and melon fruits were collected at different time points after pollination: 10, 20, 30, and40days after pollination (DAP), which were identified as M10 (10 DAP), M20 (20 DAP), M30 (30 DAP), and M40 (40 DAP), respectively.