First, the purpose of trimming is to reshape the young juniper trees in order to shape them early and have early results; to prune adult trees to maintain their stable tree shape, regulate the balance of growth and results, and determine the unit area and shoot load per plant to promote good quality, High yields and stable yields; Prunus cuspidate trees are renewed and pruned to prevent the resulting parts from rising, forming a good skeletal structure, ensuring good ventilation and light environment in the vineyard in the coming year, and cutting off all diseases and pests to kill overwintering pests.
The second is that the trimming period is to be trimmed from the middle and late December to the first month before the injury, that is, the trimming is completed 2 months before the budding, which can avoid the occurrence of bleeding.
Third, pruning methods According to the obvious advantages of grape apices and the local climate characteristics and cultivation level, “fan†frame shaping and “long, one short†results can be used to trim the mother tree. A branch is left next to the branches, leaving 5-7 buds (one long) for the resulting mother branch, leaving only 2 buds (one short) for the preparatory branch, leaving 6-8 of the resulting mother branches per plant. For branches that have already been fruited in the year, cut them out as much as possible to ensure that the resulting parts of the grapes do not rise.
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