1. Three-first three-second sequential cut, three-dilute and three-density can produce high yield
The order of pruning the Red Fuji apple tree is to prune the big branches first, then the small branches; the lower branches first, then the upper branches; the inner branches of the crown first, and then the outer branches of the crown.
In order to better ventilate and transmit light and obtain high yield, the principle of "three thin and three dense" should be followed when pruning the Red Fuji apple tree, that is, the large branches are sparse, the small branches are dense; the upper branches are sparse, the lower branches are dense; the branches outside the crown are sparse, and the crown The inner branches are dense.
2. Light cut, long release and slow down year after year, no flowers and fruits will not be cut back
Within 1-2 years of the Red Fuji planting, except for the proper cutting of the backbone branches or other branches with space, the remaining moderate branches are slowly placed without cutting. After the results are obtained, they will be retracted. The branches that are too dense and too prosperous should be properly cut.
3. Combination of blocking and release, full cut
In order to prevent Red Fuji branches from slowly releasing year after year, there are many branches at the apex of the branches, which reduces the nutrients in the tree body, and the flower buds are not easy to form. As a result, the parts move out, which can retract (block) some branches and stimulate the lower branches to shoot short branches, leaving behind The branches are slowly released (released) to form flower buds.
At the same time, for the Fuji branches that have formed flower buds, they can be cut short to the flower buds when pruning, so as to avoid the phenomenon of blooming due to short cuts.
4. Go to both sides every three days, leaving branches in the middle
The middle and small branches on the periphery of the red Fuji apple tree often have three-pronged branches that are densely packed and competing with each other. Generally, the branches on both sides should be thinned out, leaving the middle branch.
5. Bending shears for extending branches
Red Fuji apple branches have a strong growth potential. When pruning, the backbone extension branches at all levels can be bent and extended, that is, the angle of the extension branch is reduced in the first year, the angle of the extension branch is raised in the second year, and the angle of the extension branch is reduced in the third year. Raise the angle of the extension branch for 4 years, and so on.
6. "Four more and two long" branch shears
In order to prevent the Red Fuji apple tree from growing too strong and affecting the results, Red Fuji often adopts "four more and two long" pruning, four more refers to the outer periphery, more branches, more branches on both sides, more auxiliary branches, more long branches; It is the long-stay backbone extension branch, and the long-stay branch group takes the lead.
7. Control the top to promote continuous cutting
Red Fuji tends to grow strong on the top and weak on the bottom, strong on the outside and weak on the inside. Therefore, during continuous pruning every year, control the apex of the branches and remove the upright branches at the top of the branch group in time.
Promote the germination of the lower branches and drop their heads in time during the full fruit period, leaving fewer branches in the upper part of the crown and more branches in the lower part.
8. Slow down and then cut and cut
The branch group culture of the Red Fuji apple tree generally adopts the pruning method of slow release first and then short cut, that is, the annual golden mean branches are first slowly released into flowers and fruit, and then cut to form branches, and then cultivated into fruiting branch groups, combined with scaling and shrinking .
9. "Three sets of branches" French branch cut
Red Fuji’s branch group pruning often adopts the "three sets of branches" pruning method, that is, three branches on one branch, one branch to let it bear the current year (yield of the current year), one branch slowly release (the second year output), and one branch. The branches are short (yield in the third year) to ensure that there are both fruiting and developing branches on the tree.
10. Head-up scissors in the later stage of Shengguo
In the late stage of the red Fuji fruit, the growth becomes weaker, so the angle of the branches should be raised, pay attention to renewal, and cut appropriately.
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