1. Before planting, prune old branches, weak branches and residual branches;

2. At the same time, root system should be trimmed after seedling digging, old roots and diseased roots should be cut off, and the cross section of injured roots should be flattened to facilitate healing.

3. After the saplings are planted, they generally need to be pruned vigorously.

4. Pruning degree: each hybrid magnolia leaves 5-6 main branches, and each main branch leaves 7-8 buds;

5. Each hybrid perfume magnolia leaves 4-5 main branches, and each main branch leaves 4-5 buds;

6. Cut off the vine magnolia at the branch near the base of 10cm, cultivate the root system first, and then draw the branches. Generally, pruning is not required 1-2 years after planting.

7. Pruning before overwintering: Magnolia grandiflora must be pruned once before entering the winter dormancy period. In the area south of the Yangtze River, it began in about 65438+February, and this pruning was carried out in Beijing before the cold protection in the middle and early days of 165438+ 10.