Ginkgo grafting the best time, Ginkgo tree grafting what tree the best?

Ginkgo planting is generally carried out in winter or spring. Before sowing, it is necessary to accelerate germination, select seeds with full particles, soak them in warm water for 2-3 days, remember to change water every day, then fish them out and put them on plastic paper, spray water once in the morning and evening to keep them moist. A week later, the seeds are sowed, the tender buds of the seeds are put into the soil, and then covered with a straw curtain after covering the soil, so as to preserve heat and moisture. During the seedling period, light should be enhanced and fertilizer should be applied properly.

1. Grafting time

Ginkgo biloba grafting is generally in spring and autumn.Spring grafting in different areas should also be selected in different periods, generally in Zhejiang before and after the rain to Qingming, the southern region due to warming earlier, so it should be carried out earlier, the north should be delayed.Autumn grafting is usually in the rainy season, if the climate is too dry, it will reduce the success rate of grafting.

2. Stock Selection

Ginkgo biloba grafting can only choose Ginkgo biloba as rootstock.Although it is dioecious, female ginkgo can be grafted with male ginkgo, male ginkgo can also be grafted with female, or some good varieties with ordinary ginkgo.In addition, according to the different grafting methods, there are also requirements for the age of rootstock, such as cleft grafting generally select young trees under 5 years old, cut grafting and bark grafting of large trees and small trees can be.

3. Scion Treatment

According to the different grafting methods, the treatment methods of scions are also different.The cleft grafting selects the strong age big tree, uses 1-3 year strong branches as the scion, the bottom must cut into the wedge shape.Cut and select 2-3 years old branches, and cut the bottom into a bevel.Inserting skin is similar to cutting, and the inclined plane is longer.Budding involves cutting the selected bud into a shield shape.

Ginkgo

4. Grafting

After the rootstock and the scion are prepared, the grafting can be carried out. The bottom of the scion is inserted into the incision of the rootstock, and is wrapped and tied tightly with a plastic film to prevent water and air from entering outside, so as to avoid wound infection.Pay attention to maintain air humidity, if too dry, the same is not conducive to survival.