The consistent selection of the result of the branch is the core pruning requirement of winter shear. According to the pruning technical standard of “multi-buds and less branchesâ€, the result is that the mother branch is dominated by the middle branch. The Zhongyong branch is a branch with a base thickness of 1 to 1.5 cm, a strong branch, a high degree of lignification, and a full and full bud.
Quantity matching Generally speaking, the result of winter shearing is that the amount of mother branches is 1.5 to 2.0 per square meter, and the specific amount is appropriately increased or decreased according to the tree potential. Appropriate retention results The amount of mother branches is the basic guarantee of yield. If there are too many branches, the inefficient consumption will increase and the yield will decrease.
The uniform distribution of the results of the uniform distribution of the mother branches is the premise of balanced growth of the canopy. No matter whether it is a single-dry umbrella-shaped tree or a dry two-vine tree shape, the result of the winter cut is that the mother branches are evenly distributed on the frame surface, and there is no large blank area or excessively dense branches.
After the length is close to the winter cut, the length of the mother branch should be half of the cut line spacing. If the adjacent two rows of trees keep half of the line spacing, the frame surface can be substantially covered. For stronger branches, you can also exceed half of the line spacing, but most of them reach half the line spacing, and the rack surface can be filled. The yield is determined by the number of buds on the frame.
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