How much do you know about Eucommia regeneration technology?

Eucommia ulmoides Oliv It is a traditional Chinese herbal medicine. It is the dry bark of Eucommia ulmoides Oliv. After taking the medicine, it has the effects of nourishing liver and kidney, strengthening bones and muscles and preventing miscarriage, and has high economic value. When harvesting, the bark is stripped. Now, the girdling regeneration method can increase the yield. Let's take a closer look.

A, Eucommia bark peeling technology and matters needing attention

1, peeling time

The best time to peel Eucommia ulmoides Oliv. That is, when the temperature is around 25-30 and the relative humidity of the air is 70%-90%, peeling is carried out in May-June. During this period, the temperature is extremely high and stable, with more rain and higher air humidity. The leaves of Eucommia ulmoides plants are spread out, which is the best peeling time.

2, girdling method

First of all, cut a circle at the branch of the trunk, vertical and T-shaped. Pay attention to the length of the longitudinal shear, generally when it is about 20 cm from the ground. The depth of cutting should be well grasped, so that cutting phloem does not damage xylem. At this time, it is necessary to stir up the longitudinal cracks with the tip of the knife, tear and pry them by hand, and separate the connected skins at the same time until the peeling is completed. Don't use your hands or touch the peeled trunk when peeling to avoid mechanical damage.

3. Protective measures

Protective measures should be taken after girdling to speed up the regeneration of new skin. Generally, the air humidity after girdling is above 80%, which is beneficial to the regeneration of new skin. After peeling, wrap the peeling part with transparent film, and the intersection of the film should be tightly tied to avoid being blown dry by the wind. The upper and lower ends should also be tied with ropes, which should be tightened and loosened.

4. Preventive measures

When girdling, Eucommia ulmoides Oliv. Should choose to grow for more than 65,438+00 years. Trees with weak or poor growth should not be girdled, and the girdling length should not exceed 1 m, so as not to inhibit the normal growth of plants. Avoid rainy days when girdling, so as to avoid the long-term unhealed and moldy girdling wound, which can not form new bark and affect the regeneration of bark. In severe cases, the tree dies, so it is best to choose cloudy and rainless weather for girdling. You should also be careful not to hurt the cambium of the trunk when girdling.