At present, it is a good time for fruit trees to emerge. To improve the survival rate of grafting, the following five points need to be noted: 1. Grasp the time for grafting. Grafting is early, the buds of the scions germinate and germinate, young shoots are tender and weak, the degree of lignification is poor, and winter is prone to frost damage. Grafting is late, the branches of the epidermis and xylem are not easy to separate. 2. Avoid the rain. To listen to weather forecasts in a timely manner, it is generally best to have no heavy rain for 3 to 5 days after grafting. 3. Grafting speed faster. The scion shoots that are harvested must be cut off in time to leave the petiole to reduce the evaporation of water. It is best to use it with scissors. The same day, the scion shoots that are used up on the day are best placed in a plastic bag and placed in a cool, damp place. Department. The cutters used for grafting should be sharp, and the peeled off grafts must be grafted in a timely manner. For a long time, they are easily dehydrated and oxidized and affect the survival rate of grafting. 4. Different fruit trees use different methods of grafting. Easy to live peach, pear, apricot and other varieties, can be "T" shaped bud connection method. Apples, persimmons, etc. can be used to connect buds with buds or connect with xylem buds. The contact surface between buds and rootstocks is large and easy to survive. Hard-to-live trees such as walnuts are easily grafted by casing. 5. Scion buds should be full. Full of leaf buds, strong vitality, easy to survive. 5 to 7 days after grafting, check the survival situation. If the petiole changes from green to yellow, gently touch it and it will fall off. This proves that it has survived. If the petiole darkens and dries out, it proves that there is no survival and needs to be patched in time.
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