When is the fast-growing poplar suitable for pruning?

The purpose of pruning fast-growing poplar trees is high yield and high quality. The pruning principles of fast-growing poplar seedlings are light pruning, heavy crown protection, competitive branches and auxiliary branches.

Pruning time of fast-growing poplar

In general, fast-growing poplar should not be pruned within 1-3 years, so as not to weaken the tree and inhibit its growth. When the DBH of the fast-growing poplar reaches 10 cm, the lateral branches are pruned. According to the crown growth, appropriate pruning.

Pruning propagation of fast-growing poplar

Fast-growing poplar can be cut from 165438+ 10 to March and April of the following spring. At this time, the temperature and humidity are suitable for rooting and the survival rate is high.

Pruning method of fast-growing poplar

Pruning and drying: the pruning of fast-growing poplar trees is to cultivate materials for processing. When the diameter of the lateral branches on the trunk of fast-growing poplar below 8 meters is 10 cm, the lateral branches should be trimmed to ensure that there is no knot scar outside the core of dry wood 10 cm. Pruning is determined according to the diameter of the trunk. Trees with average age of 1-3 years can be pruned a little, and trees with age of 4-5 years can be pruned by one third. Pruning new buds: After pruning the fast-growing poplar, the new buds on the lower trunk should be pulled out in time. When pruning, stick to the trunk and leave no stubble. When pruning thick branches, a pruning saw should be used. You can make a shallow incision under the branch, and then proceed slowly from top to bottom, without tearing the bark.

Matters needing attention in pruning of fast-growing poplar

When vegetative growth stops and trees have no leaves, fast-growing poplars can be pruned and remolded. Pruning in summer will affect growth, and wounds are easy to attract pests and diseases. Pruning in summer will inhibit the development of lateral branches, so you can prune competitive branches and beat lateral branches in summer.