Method for culturing cut-flower Chinese rose seedlings into flowering plants

The invention provides a method for cultivating cut-flower Chinese rose seedlings into flower-producing plants. The method comprises the steps of transplanting cultivation, cultivation after field planting and branch folding treatment of seedling vegetative branches. The transplanting culture comprises the following steps: transplanting when four complete leaves are formed on each seedling, and pruning tender shoots to promote the germination of lateral branches when six complete leaves grow on each seedling; the cultivation after field planting comprises the following steps: irrigating with clear water once in the morning every day within one week after field planting, irrigating with fertilizer water according to a fertilizer water formula for producing the cut-flower roses after one week after field planting, 6-10 times per day, and the Ec value is 1.3-1.6 mS/cm. According to the method, through transplanting culture and culture after field planting, only about 130 days are needed from sowing germination t