Grapes are usually pruned after defoliation, and the approximate time is11-65438+February. Pruning should be done before the vines germinate in spring. Of course, if you find that you need pruning at ordinary times, it is ok.

Second, the method

1, pruning should be carried out according to the growth of plants. If the top of the vine is 1.2cm thick, it can be cut at 1.5m, and the growth is slightly worse, and it can be cut to1.2 m.

2. For vines that grow for a long time, pruning is mainly to cut off some branches that are not growing well, and pruning again in this process will make them grow better.

3. During the maintenance period, it is inevitable that there will be diseased branches and leaves on the vines. For such branches and leaves, prune them as soon as possible to avoid infecting more plants. In addition, some yellow and dry old leaves should be cut off.

Third, matters needing attention

1, when pruning, make sure that the incision is smooth and the tools used are sharp, otherwise it will aggravate the wear and tear on the vines.

2. Do some simple treatment after pruning, and it is best to apply some protective agent to the wound.