1 The branches of the grapes are loose and the pith is large. The water and nutrients are easily lost. The pruning should be cut at 3 to 5 cm above the bud or at the upper end of the bud.
2 When pruning, cut off dead branches, diseased branches, useless secondary branches and long branches. Long branches with long internodes and buds, which are prone to cause serious blindness, should be removed or short-cut, retaining the branches of mature buds.
3 When thinning, the cut is about 1 cm away from the base of the branch. Do not cut it under the base. After the stub is dry, cut it off from the base.
4 pairs of thicker than 0.8 cm and well-prepared secondary shoots can be cut 2 to 3 knots, the growth is weak.
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