Sowing and propagation of cedar

Sowing time

The sowing and propagation of cedar is generally carried out in the middle and late March

Seeding substrate

Sandy loam with good drainage and ventilation is suitable for the seedbed

Sowing method

Before sowing, soak the seeds in cold water for 1-2 days, and then dry them. After 3-5 days, they start to sprout, which can last for about 1 month, and the germination rate is high

Work after sowing

It is necessary to do a good job in shading at the seedling stage of cedar, and prevent the sudden fall disease and the harm of ground tigers at the same time. The annual seedlings can reach 30-40 cm high and will be transplanted in the next spring

Cutting propagation of cedar

Cutting time

Cutting propagation shall be carried out before late March in spring. It is better to carry out in late July in summer

Cutting method

In spring, first select and cut the healthy and strong annual branches on the mother tree, and it is best to soak them with rooting powder, which is conducive to promoting rooting. Then, the cuttings are inserted into sandy loam with good air permeability, watered with water, and then covered with double-layer shade. The semi lignified branches of the current year should be selected as cuttings in summer. After inserting, strengthen the shade, and cover with a layer of plastic film to maintain humidity

Management after cutting

About 30-50 days after transplanting, the callus can be formed. At this time, fertilization outside the root can be carried out, and the potassium dihydrogen solution of 0.2% urea and 0.1% phosphoric acid can be sprayed. The transplanting work shall be carried out after the propagation seedlings have been kept in bed for 1-2 years, which is suitable for February to March. When transplanting, the plant shall take a ball and stand a pole. The plant row spacing should be controlled at about 50 cm in the first transplantation and expanded to 1-2 meters in the second. During the growth period of cedar, it is best to apply topdressing for 2-3 times. Seedling stage is vulnerable to diseases and insect pests, so it should be controlled in time< span>