Proactive method
Results In the early stage of the early stage, in the early stage of the results, when the lower backbone branches were fully assembled and the tree was about 2 meters high, the center leaders should be asked to "swing their heads" once a year to control their growth. That is, during the winter shear, remove the strong growth protozoa, and choose another oblique branch with a moderate growth potential as the central branch; next winter shear, select another oblique branch in a different direction as the central branch to make the center dry. Slightly curved upwards. This not only eases the upward growth of the central trunk and effectively controls the height, but also helps to equip upper backbone branches and permanent infusion branches to prevent the phenomenon of strong and weak in the early stage.
Fruit crown
In the middle of the full fruit period, the fruit crown method was used to reach the full fruit period. When the tree was about 3.5 meters high, before the early spring germination, the center stem of the red Fuji apple tree was pulled to the side with a rope at an angle of about 85 degrees. It was slightly horizontal. After the germination, wipe off the back buds in time. If the branch is strong, you can use ring peel. Circumcision and other methods can transform vegetative growth to reproductive growth as soon as possible, so as to achieve fruit crown. The number of fruits remaining at the center depends on the strength of the growth. The strong leaves more, and the weak leaves little or no. Generally, the ratio of branches and fruits is 7 ~ 10: 1, and a single fruit on each inflorescence is used. the Lord.
Head change
After falling in the late period, the top of the central stem after the fall and the flattening will be turned into a low-hanging and weak branch due to the continuous years of results. At this time, the falling can be performed during winter shearing, that is, the original center is sparse. Drop or retreat, in the previous year, purposefully choose another long branch or auxiliary branch to cultivate instead of the original head, and repeat the steps of "pressing the crown with fruit-falling head, changing head" many times later, Keep the canopy at a certain height and avoid centering on the phenomenon of run-offs and parachuting.
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