Grafting method is commonly used in the production of fruit trees, and it is most suitable in autumn. The general survival rate can reach more than 90%.
First, timely. If the buds are connected too early and the sprouting development is not yet complete, the rootstocks are in a vigorous growth stage, the accumulated nutrients in the body are less, the bud survival rate is low, and the buds are prone to freeze damage after germination. If the buds are picked up too late, it is not easy to peel off, and healing is difficult afterwards, resulting in a low survival rate. It is generally more appropriate to carry out budding in September. Different areas can be advanced or delayed according to the weather conditions.
Second, the election buds. Take shoots full of buds in the middle to shoot buds. Take care to protect the bud pad or take a small amount of xylem when cutting buds. The buds are generally cut into shields or ring blocks, and the buds are 1.5 to 2 cm long. The size of the buds of the ring block depends on the size of the rootstock and the thickness of the buds.
Third, methods. When grafting, be sure to handle the rootstock and then cut the buds, and then follow the cut, in order to maintain the moisture of buds and improve the survival rate. Using "T" shaped buds, you can cut the "T" type mouth first at the place where the rootstock is 30 to 50 mm from the ground. The depth is to see the xylem and the bark can be peeled off. Then the rootstock bark is carefully peeled off with the tip. The buds with the peduncle and the petiole were quickly embedded and tied with a plastic tape with a width of 10 mm. Only the buds and petioles were exposed. The density of the dressing was appropriate to exceed 10-15 mm above and below the incision, and the height of the soil after budding was 100 mm. After approximately 15 days, the earth was opened and the survival situation checked.
Fourth, interface protection. Fruit trees often leave some wounds after they are connected, affecting the growth and development of the plant, and severe cases can cause death. In order to avoid rot and infection of the wound, sharp cutting blades are used to flatten the cortex and xylem around the wound. Then use Baume 5~0 degree lime sulfur or 1~2% copper sulfate to disinfect and then apply protective agent.
First, timely. If the buds are connected too early and the sprouting development is not yet complete, the rootstocks are in a vigorous growth stage, the accumulated nutrients in the body are less, the bud survival rate is low, and the buds are prone to freeze damage after germination. If the buds are picked up too late, it is not easy to peel off, and healing is difficult afterwards, resulting in a low survival rate. It is generally more appropriate to carry out budding in September. Different areas can be advanced or delayed according to the weather conditions.
Second, the election buds. Take shoots full of buds in the middle to shoot buds. Take care to protect the bud pad or take a small amount of xylem when cutting buds. The buds are generally cut into shields or ring blocks, and the buds are 1.5 to 2 cm long. The size of the buds of the ring block depends on the size of the rootstock and the thickness of the buds.
Third, methods. When grafting, be sure to handle the rootstock and then cut the buds, and then follow the cut, in order to maintain the moisture of buds and improve the survival rate. Using "T" shaped buds, you can cut the "T" type mouth first at the place where the rootstock is 30 to 50 mm from the ground. The depth is to see the xylem and the bark can be peeled off. Then the rootstock bark is carefully peeled off with the tip. The buds with the peduncle and the petiole were quickly embedded and tied with a plastic tape with a width of 10 mm. Only the buds and petioles were exposed. The density of the dressing was appropriate to exceed 10-15 mm above and below the incision, and the height of the soil after budding was 100 mm. After approximately 15 days, the earth was opened and the survival situation checked.
Fourth, interface protection. Fruit trees often leave some wounds after they are connected, affecting the growth and development of the plant, and severe cases can cause death. In order to avoid rot and infection of the wound, sharp cutting blades are used to flatten the cortex and xylem around the wound. Then use Baume 5~0 degree lime sulfur or 1~2% copper sulfate to disinfect and then apply protective agent.
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