If the bark of Phellodendron amurense is cut off, it will not die as long as it is properly managed. Cortex Phellodendri is usually peeled after the leaves are long and shaped. At this time, the temperature is kept at 22-26℃, the cambium moves and the juice flows. It is easy to peel off the bark, and it is easy to grow new skin after peeling.

Trees over the age of 10 should be peeled, and the trunk bust should be 30-50 cm. To peel on cloudy days, cut a circle around the trunk about 80 cm long, and then spray indoleacetic acid.

Peeling method of cypress

Cortex Phellodendri can be peeled all the time, and harvesting usually begins 10 ~ 15 years after planting. In order to protect the resources of Phellodendron amurense and make it be used continuously, the living trees are girdled, so that the peeled Phellodendron amurense can continue to grow and regenerate new skins. Generally, the bark is harvested in May-June when it grows vigorously. The bark is easy to peel off, heal and regenerate, and it is peeled according to the length of 80-90 cm.

Water Cortex Phellodendri once 1 week before peeling. Where there is no watering condition, it is best to peel it in time after soaking in rain. Peeling should be done after 4 pm on cloudy or sunny days, and peeling should not be done on rainy days.

Prepare peeling knife, kraft paper or plastic film, binding rope, etc. Before peeling the cypress. It is necessary to cut the bark without cutting the cambium and xylem. When peeling, don't let tools or hands touch the xylem surface left after peeling, otherwise it will affect the regeneration of new bark. Pay attention to protect the peeling surface after peeling.

Phellodendron amurense is the dry bark of wampee of Rutaceae. After peeling the bark, remove the rough bark and dry it in the sun, which is Chinese herbal medicine.