Grafting of fruit trees is usually divided into spring and summer. In spring, branches are used (spiked joints), and the methods of grafting are mostly splicing, cutting, and inserting. At present, it is a good time for fruit trees to be grafted in the spring. To improve the survival rate of grafting, the following five points need to be noted:
1. Grasp the grafting time. Grafting is early, the juice of the tree does not flow, the buds of the scions do not germinate, and it is not easy to survive after grafting. Grafting is late, branches have grown leaves, water evaporation, grafting is not easy to survive. In the middle of the Spring and South China Spring Festival, the pick-up is usually from late July to late August.
2. Select robust branches. Strong branches, full leaf buds, strong vitality, easy to survive.
3. Avoid rain, windy weather. To listen to the weather forecast in time, select the higher temperature and sunny weather grafting. Generally, it is best if there is no heavy rain for 3 to 5 days after grafting.
4. Scion sealing wax. In order to reduce the water evaporation of the scion, it is necessary to seal the wax on the scion. The method is to melt the industrial paraffin. When the wax temperature reaches 95°C to 102°C, quickly cut the scion sprigs one by one in the wax liquid, and then change it. Quickly click.
5. Grafting speed should be fast, tie bars should be tightened. The branches are best used with the scissors. Scraps that are not used on the same day are best placed in plastic bags in a cool, damp place. The cutters used for grafting should be sharp, the stripping surface must be smooth, and grafted in time. It takes a long time to be easily dehydrated and oxidized, which affects the survival rate of grafting.
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