II.IPM of Stone Fruits 2.Control of dormancy stage of fruit trees Remove coarse and warped barks; Cut out branches with pests; Clean deadwoods and fallen leaves in time; Destroy weeds of orchard outside and inside; *Irrigation in winter. 2. Control of dormancy stage of fruit trees Remove coarse and warped barks; Cut out branches with pests; Clean deadwoods and fallen leaves in time; Destroy weeds of orchard outside and inside; Irrigation in winter. Ⅱ. IPM of Stone Fruits