In fact, the purpose of pruning potted osmanthus trees is to promote the germination of their terminal buds and make the crown of the potted osmanthus trees fuller and rounder. After the potted osmanthus tree is repotted and the soil is changed, when it has adapted to the pot and started to grow, we should carry out reasonable pruning according to its plant shape. We know that the germination rate of osmanthus branches is low. Generally, only one terminal bud sprouts on one branch, and it is rare for more than two branches to sprout. Many of the surrounding axillary buds will remain dormant, showing a state of single branch extension growth. So, when we encounter this situation, how can we prune the osmanthus tree to make the crown fuller? How should we prune it? What issues should we pay attention to? 1) Break off branches and force buds to promote fullnessWhen most of the young branches that sprout in spring reach the top and stop growing, break off all the new branches from the base to force the branches to sprout terminal buds. If the saplings are cultivated for more than 3 years, sometimes in order to maintain the balanced growth of the crown, you can also retain 1 to 2 new shoots in the parts where branches are missing, but do not retain too many, otherwise it will affect the bud-forcing effect. Since the growth advantage at the top of the osmanthus branches is destroyed, the nutritional growth points are forced to be redistributed. In early spring, when the branches sprout, the roots also grow rapidly, but all the new shoots are suddenly broken off, breaking the growth balance between roots and branches, and prompting the axillary buds around the branches to sprout rapidly. Generally, they will sprout out all at once after about 10 days, and the number of new branches may be 3 to 5 times or even more than the original white branches. As the number of new branches increases exponentially, nutrients are dispersed. Therefore, the new branches grow short and compact, which is conducive to the early formation of the crown and the entry of the osmanthus tree into the flowering period. This is the good effect achieved by breaking off branches and forcing buds, and it is also an effective method for us to promote the fullness of the crown of potted osmanthus trees. 2) Adjust the angle of the branchesIn conjunction with the above measures, when pruned branches to promote budding of Osmanthus trees, the angle of the branches should be adjusted to allow the crown to grow and slow down the dominant force at the top, thereby promoting more budding. It can leave space for more sprouting branches to grow, thereby enhancing the photosynthesis of the crown and making the accumulation of nutrients more sufficient, which is conducive to the expansion and growth of the osmanthus crown. |
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