Nursery stock growth vigor correcting device

The utility model discloses a nursery stock growth vigor correcting device which comprises a supporting rod and a hoop mechanism used for being fixed with the nursery stock supporting rod, and further comprises a lifting mechanism used for controlling the supporting rod to ascend and descend, the lifting mechanism comprises a rotating seat and a screw rod arranged on the rotating seat, a sliding hole is formed in the rotating seat, and the screw rod is connected to the inner wall of the sliding hole in a threaded mode. An annular groove is formed in the inner wall of the sliding hole, the supporting rod is rotationally arranged in the sliding hole, a clamping block is installed on the supporting rod, and the clamping block is arranged in the annular groove in a sliding mode. The correction device has the effect of expanding the application range of the correction device so as to correct branches at specific height positions. 本实用新型公开了一种苗木长势矫正装置，包括支杆和用于与苗木支杆相固定的抱箍机构，还包括用于控制支杆升降的升降机构，升降机构包括转动座和设置于转动座上的螺杆，转动座上开设有