What should be paid attention to when white orchids are propagated by grafting?

① is usually suitable to propagate from May to July every year.

② uses 2 ~ 3-year-old Magnolia magnolia as rootstock and selects slightly semi-lignified branches of annual summer shoots of Magnolia as scion.

The ③ rootstock needs to cut an arc-shaped interface of about 5 cm from the ground, reaching to the xylem, and the scion is carried out in the same way at the same height, then the cambium of the two arc ports are pressed together, fastened with hemp or plastic strips, and fixed with bamboo poles to prevent shaking. 2After 3 months, the wound healed completely, and the separated mother plant was planted separately.

Normal maintenance and management will be carried out according to the routine after ④.