Four cultivation methods of Syringa
Do you know about these? Let's take a look at the explanation of Syringa, a woody flower, and its four cultivation methods!
Cutting propagation of Syringa involves taking 1 to 2-year-old healthy branches as cuttings and inserting them directly into a warm bed to root and sprout, forming a new plant. It is usually done by cutting the top branches one month after the flowers fade in spring. The length of the cuttings is 10 to 15 centimeters, with 2 to 3 pairs of buds, one pair of which is buried in the soil. Under 25℃ conditions, roots form within 30 to 40 days. When the young roots turn from white to yellow-brown, the seedlings can be transplanted.
1. Branch grafting method
It is usually carried out before the early spring germination. The length of the scion is 8 to 10 centimeters, with 2 pairs of buds. The lower part of the scion is cut diagonally on both sides. The rootstock is selected from 1 to 2-year-old Syringa seedlings, with the top cut off 5 to 10 centimeters from the ground. Then a vertical incision is made on the cross-section of the rootstock, and the scion is inserted. The diagonal surface of the scion should fit tightly with the rootstock and be bound with a plastic strip. To prevent excessive water loss at the grafting site, it can be covered with moist soil. After the buds on the scion sprout, the covering soil is removed.
2. Bud grafting method
In Beijing and the North China region, it is usually done at the beginning of August. The scion should be selected from the plump leaf buds on the current year's healthy branches, and the rootstock should be 1 to 2-year-old Syringa seedlings. During grafting, the leaves on the scion are cut off, leaving only the petioles. Then a horizontal cut is made 1 centimeter above the bud, and another cut is made from 1 to 1.5 centimeters below the bud to remove the woody part inside the bark. A horizontal cut is made on the rootstock 5 to 10 centimeters from the ground, and then a vertical cut about 3 centimeters long is made from the middle of the incision, forming a "T" shape. The bark is then gently peeled open, and the scion is inserted into the "T" shape. The scion and rootstock should be tightly aligned and bound with a plastic film strip. Two to three weeks after grafting, if the petioles on the scion naturally fall off, it indicates that the bud has survived, and the plastic strip can be removed.
3. Approach grafting method
This involves cutting the same size of interfaces on both the Syringa scion and the rootstock, and tightly binding them together. After callus formation at the cut, the top branch of the rootstock is cut off 1 centimeter above the interface, and the scion is cut off 1 centimeter below the interface, forming a new plant.
In addition, Syringa can also be cultivated by sowing, layering, and dividing methods. For superior varieties of Syringa, the tip tissue culture method can also be used for seedling production.
The specific content of the four cultivation methods of Syringa shared in this article is for everyone's reference and operation.