Branching methods include cut-splicing method, splicing method, abdominal connection method, subcutaneous connection, tongue connection method, and root connection method.
Branching period is usually divided into spring and autumn. In early spring, the sap begins to flow, and the bud graft can be grafted without germination. As long as the scion is kept in the cold and does not germinate, it can always be connected to the long leaves of the rootstock. Spring is in the northern region from late March to early May. In the cold regions of the north, the branches are generally not grafted in autumn, and the rootstocks and scions are stored in the pit after falling leaves, and grafted in the winter and planted in nurseries in the spring.
After the fruit branches are connected, management should be carried out. After the branches are connected, they can easily sprout on the rootstock. They should be removed in time. If the branches are connected to the scion, then the remaining one branches that are well-growth and grow robustly should be selected after survival. The rest should be removed.
The management measures after fruit trees are budged are as follows:
Check the survival rate, release the ties and make up. Most fruit trees can be checked for survival after 10-15 days of grafting. Where the buds are fresh, the petioles are ready to touch. At the same time, if it is found that the tied objects are too tight, they should be loosened or unfastened in time, and slow and thick trees should be removed. After 3 weeks, the tied objects should also be removed.
Soil protection against cold. In the cold and arid regions in winter, in order to prevent budding and freezing, the soil should be protected from cold before freezing. Earthing is more suitable than sprouting 6-10 cm, and should be removed in the spring after thawing, so as not to affect budding germination.
Cut anvil and patch. The semi-formed seedlings that have survived after the wintering period (the seedlings that have survived but have not germinated) are cut off before sprouting, to concentrate the nutrient supply and shoot growth. However, it is not easy to cut the anvil prematurely so as to avoid easy air drying or freezing, and it is not necessary to waste nutrients too late. When cutting an anvil, the cutting edge should face the bud side, cut 0.3 to 0.5 cm above the bud, and then cut to the bud. Slightly downward on the back. Overwintering does not survive, and spring can be used to make grafting.
In addition to sprouting, after cutting an anvil, it is easy to produce a large amount of sprouts from the base of the rootstock, and it must be removed several times in time in order to avoid competing for nutrients with the bud.
Seedlings in the garden nursery, ready to use the auxiliary shoot plastic seedlings need a larger nutritional area, rootstock spacing is not less than 60-7030 cm. When the seedlings grow to a certain height, they should pick their hearts in time and the time for picking them up depends on the height of the setting and the local climatic conditions. Should be avoided too late, picking the site has been fully stretched in the internodes and not yet lignified, picking shoots about 10 cm.
In order to cultivate a good tree shape, the secondary shoots that germinate below the plastic band should be erased in time. Only a certain number of secondary shoots should be selected as the main branch and the central leadership branch in the plastic band. After the required length has been reached in the fall, carry out the topping to promote enrichment.
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