一、果树开角器主要用在当年生新梢半木质化时改变新梢角度,常见的有弓形开角器和己形开角器。将8—12号铁丝和废旧自行车辐条截成18—20厘米,弯成凹形即弓形开角器;截成14.5厘米弯成己形开角器,如需开至较大的角度,可将弓形 First, the fruit tree open-angle device is mainly used in the current year when the new half-lint shoot change the perspective of the new shoots, the common arched open-angle and hexagonal open-angle. The 8-12 wire and used bicycle spokes cut 18-20 cm, curved into a concave bow arcuate; cut into 14.5 cm bent into hexagonal open angle, to open to a larger angle, can be Bow-shaped