Sophora japonica is very ornamental. 1 year-old branches are light green in spring, and the whole tree is golden yellow. It is often grafted and propagated. With Sophora japonica as the rootstock, it has strong drought and cold tolerance and grows well in fertile soil with humus. The pruning time of Sophora japonica is spring or summer. Pay attention to the management after grafting to improve the survival rate. So, how to prune Sophora japonica? Let's take a look at the planting techniques of Sophora japonica!

First, how to prune Sophora japonica?

1, function

Through reasonable pruning, Sophora japonica can cultivate a beautiful tree shape, adjust nutrient distribution, inhibit overgrowth, promote flower bud differentiation, rejuvenate the old tree, and complement the surrounding garden buildings, which is beautiful and harmonious.

2. Method

When the seedlings grafted for 3-4 years are reshaped, they should be preserved as much as possible and cultivated into main branches. Make light and short slices at the full outer bud of the main tip, and thin the side branches. The principle of thinness is: go strong and stay weak, go straight and stay flat, go once every Wednesday and go twice every Thursday? .

3. Shortcuts

Prune the strong branches of Sophora japonica, trim the length of the branches 1/3, trim the short tips of the branches lightly, and cultivate the backbone branches and extension branches.

4. Re-cutting and Short Cutting

Cut the middle and lower branches above full buds, and cut off 2/3 of the total length of branches, which is mainly used to help the old trees rejuvenate.

5. Extremely heavy and short cut

Cutting off the branches of Sophora japonica and leaving 1-2 dead buds at the base will rejuvenate the old branches and make the tree more balanced and beautiful.

Second, the planting techniques of Sophora japonica

1, water

Every summer, it is best to water it once in the morning and once every five days for normal maintenance. The frequency and quantity of watering depend on the wet and dry conditions of the soil.

Step 2 apply fertilizer

Phosphate fertilizer should be applied to it twice a year to keep the soil fertile during the growing period, which is conducive to growth and let Sophora japonica and its nutrition catch up.

prune

Both Sophora alopecuroides and Sophora alopecuroides are resistant to pruning, so they should be pruned once a year. Trim my wound and apply a proper amount of healing agent to accelerate wound healing.

4. Transplantation method

Generally, Sophora japonica is selected as the rootstock, and the strong branches on the robust mother tree without any pests are selected as cuttings. In March and April every year, when the bud eye of the scion is full, it is grafted with the bud eye with xylem, sheltered from rain, shaded and moisturized, and the upper rootstock is cut off before bud germination in the next year.