The best time for cutting twigs is from the beginning of June to the end of June every year. When the weather is fine, cut off the semi-lignified branches from the healthy mother plants. When the female parent is sufficient, try to cut 3 cm from the top of the branch about 10 cm for cutting. Such cuttings have sufficient nutrients, high survival rate, fast growth rate and strong growth. If conditions do not allow, then any semi-lignified branch of about 3 cm can be used for propagation as long as it has two leaves and one bud.
Use clean river sand as the seedbed with a thickness of about 2 cm to ensure good water permeability. Before cutting, the cuttings are immersed in the growth agent at high speed and then inserted into the seedbed. After the whole seedbed is filled, spray water once and seal it with plastic film to make the cuttings grow in an environment with high relative humidity. In order to avoid direct sunlight in summer, it is best to cover it with a sunshade net. Cutting can take root in 15 ~ 20 days. Then gradually open the plastic film for proper ventilation until it can be sold on the market. It should be noted that during the whole cutting process, the temperature of the space where the cuttings are located should not be higher than 35℃.
When cutting in greenhouse or greenhouse, due to the good environmental conditions such as temperature and humidity, and the vigorous vitality of golden leaf water wax, it can even form "bud propagation". That is to say, after two months of growth, the seedlings with shoots in early June can become the female parent of cutting in the middle and late August, and their shoots can be directly propagated by cutting. If you cut 10 cm for the first time and the top of the branch is 3 cm, you can pick the ear as long as it is in the middle and late July. According to the author's experience, in the greenhouse, skilled workers can breed hundreds of seedlings in 1 year.
The cutting time of hardwood cutting can be in early spring or autumn. Cut the annual branches into 5 cm to 6 cm segments and insert them into the seedbed. The specific seedbed preparation and post-cutting management are the same as that of softwood cutting. However, compared with the former, hardwood cutting propagation is much smaller and is rarely used in northern China at present.