After transplanting the spring jujube trees in spring, in order to improve the survival rate, they generally need to be cut to prevent the water evaporation. But the re-formation of the canopy is usually 2 to 3 years later. In order to improve the survival rate and shorten the canopy forming time, the transplanted winter jujube trees can be re-grafted that year.
After transplanting the winter jujube tree, choose the branch with the short cut position as the rootstock branch, and the grafting time is around May 1. If the temperature is low and the germination is slow, the grafting time can be delayed. Select the scion full of bud tips laid in the middle section of the primary branch (the secondary branch scion sometimes does not show the jujube head but only the jujube yard phenomenon). When grafting, cut the mother branch (rootstock branch) used for a short period, and then insert For leather connection, splitting is not allowed.
The use of re-grafting is conducive to the healing of the original stubble, the root capillary root grows fast, and the nutrients of the tree can be released in time; the bud opening of the scion bud is stronger than the bud opening of the original tree, and the tree can basically return to normal in a short time Growth; because the branches that germinate in all parts of the whole tree are winter jujube branches, therefore, when the crown is shaped in the future, the branches that can be selected are sufficient to obtain economic benefits in advance.
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