The pre-flowering of apple trees is the continuation and supplement of winter shears. Its purpose is to adjust the structure of the tree, adjust the proportion of flowers and leaves, balance the growth and the result, and achieve high quality, stable production and high yield.
Time: Generally, it is appropriate to carry out after flowering until the flowering of fruit trees. It is difficult to cut flowers and leaf buds too early due to indiscernible flowering and leaf buds. Too late to store tree nutrients consumes more and affects tree vigor.
Method: There are the following ten methods.
1 The branch (branch group) in the dense outer area should be properly evacuated to be too strong or too weak, making it more dense but not dense, strong and not prosperous, reasonably loaded, and airy.
2 Fruit branches and supplementary branches left in the winter crops that were mistakenly identified as flower buds should be shortened or retracted and reserved as a ready branch.
(3) The auxiliary branches of the winter shear-shear-cutting scissors can be visually cleared from the base at the discretion of their surroundings to improve light conditions.
4 Long cut branches that are left over from the winter shears are cut to the tip of the weak tip, controlled prosperously, or turned from the base to twisted, to ease growth and promote flower buds.
5 saplings self-sealing culm, shoots can be broken to promote short-stem, culturing sticks. The short and medium branches were formed during the year.
6 Fruit branches are flowers, they can stay strong, no flowers can be retracted and broken, over-prosperous can be cut from the base of the bud, and the space can be cut to one.
7 Branches that have been the result of many years of continuous growth can be retracted to the mid-to-nextrous branches or buds, and rejuvenated.
8 Weak growth of weak fruit tree clusters Weak buds, keep strong buds updated and rejuvenated.
9 Breaking all the big year results The long flower buds on the top of the tree reach the goal of flower replacement and balance; for the weak branches and weak flowers, only strong and short fruit branches or a small number of top flower buds are retained, and all flower buds and flower buds are the same. Only 3 - 4 flower buds are cut.
In the 10 year old tree, the middle and long branches were cut in the result tree, and branches were changed to control the amount of flowers in the following year. The purpose was to avoid the phenomenon of a big year in the following year.
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