Five-needle pine plastic surgery should start from small trees, and it is best to choose in winter. Because of the slow growth of Pinus pentaphylla in winter, it can prevent branch breakage or excessive loss of rosin during plastic bending. Five needles pine saplings are processed year by year in the order from coarse to fine. First, the trunk is bound to form a basic skeleton, and then the main branches and side branches are shaped year by year to achieve a vigorous and beautiful posture.

In order to maintain its inherent modeling posture, buds should be picked and pruned every year to control the growth of branches and leaves, so as to achieve a moderate density of branches and leaves and a vigorous and green state.

Picking flower buds:

American ginseng bud picking is generally carried out in April and May, and the best time is when the bud is taken out 2 cm to 3 cm. The flower bud is too short, which is not only inconvenient to operate, but also easy to hurt the base of the flower bud; When the bud is too long, it often begins to form lignification, which is not easy to operate. The method of picking buds is generally to hold the pine buds with thumb and forefinger, and twist them hard, and the pine buds will be picked. If the buds are lignified, cut them with small scissors. If there are several buds on a branch, you should pick the longest bud in the middle first, and then pick the surrounding buds.

In short, when picking buds, we should carefully observe the growth of buds and the tree posture of plants, and make decisions according to its modeling requirements and the specific conditions of buds. In principle, there are more long buds and fewer short buds; More hidden places, less empty places; Greater growth potential and weaker strength. At the same time, when picking flower buds, be careful not to damage the loose flower buds at the base and around the flower buds.

Trim:

Pruning of five-needle pine can be carried out in the dormant period from late October of/kloc-0 to late February of the following year. Because the five-needle pine only sends terminal buds, not adventitious buds, it is not suitable for strong cutting. If the pruning is too heavy, the wound will easily flow out of turpentine, which will affect the growth and development of American ginseng. The pruning period is from early winter to early spring, before the sap begins to flow. It is best to seal the trimmed wound with wax, sticky wood, adhesive tape, etc. To avoid turpentine from flowing out.