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When will osmanthus be cut?
Osmanthus fragrans is charming, so what are the common breeding methods of Osmanthus fragrans? Say it briefly and share it with everyone. I hope it helps you!
First, osmanthus can be cut.
1. When is the best cutting time of osmanthus fragrans?
In order to obtain a higher survival rate of osmanthus fragrans, it is best to carry out cutting before germination when the temperature is mild in spring. In addition, when cutting, it is best to use branches that are strong and disease-free for more than one year. Such branches have stored a lot of nutrients, which can fully supply the demand for germination.
Cutting can also be carried out in other seasons. For example, after June in summer, osmanthus fragrans is in dormancy, and at this time, cutting can also obtain a good survival rate, but when cutting, the branches selected should be mainly young branches.
The temperature will continue to drop in autumn, and it will soon be cold winter. At this time, the newly sprouted buds of osmanthus fragrans are vulnerable to freezing injury, so it is recommended that you try to avoid autumn, especially winter.
2. What should I do with the branches when I cut them?
If the cutting survival rate of osmanthus fragrans is high, the branches should be treated properly. If you choose old branches in spring and young branches in summer, you should pay attention to the treatment of branches after selecting them. To deal with branches, we must first remove the redundant leaves. Generally speaking, one or two pairs of leaves should be left at the top for photosynthesis, and the rest should be cut off to reduce nutrient consumption. In addition, in order to increase the contact area with soil, the lower ends of branches should be cut into oblique mouths.
To achieve the above, another important task is to soak rooting powder, which will stimulate branches to take root and greatly improve the survival rate. Experienced friends will soak the branches for a few hours before soaking them.
3. What should I pay attention to after cutting?
When cutting branches of osmanthus fragrans, generally speaking, disinfected river sand or loose and breathable sand is selected as planting material, which has good drainage and strong rooting ability. After cutting the branches, water them once, and the next task is to cover them with film.
The purpose of film mulching is to keep warm and moist, and the germination rate will be high if the temperature and humidity are reasonable. If it is hot, you can pay attention to ventilation at noon after germination to avoid scalding the budding buds.
In addition, after germination, don't rush to erase too many buds. More buds will further stimulate the branches of osmanthus fragrans to take root Moreover, the branches have just grown, so don't expose the film in a hurry, which can prolong the ventilation time, exercise the new buds and avoid the atrophy of the new buds.
2. Is there any other propagation method for osmanthus fragrans?
Cutting is suitable for large-scale propagation, and it can bloom in three or four years. If the seedlings are born, it will take at least eight or nine years to blossom, which will show the advantages of cutting. Moreover, any favorite sweet-scented osmanthus variety can climb branches and pick seedlings without buying, which can be described as many benefits.
But if you are impatient, you can see flowers next year, and you don't have to cultivate big trees. Is there any clever way? The answer is yes, yes! At this time, the high pressure method can be used. We choose our favorite varieties, choose branches with strange shapes and flowers, and apply high pressure. When high pressure is applied, we can girdle the selected branches, the width is about two centimeters, and the branches are as deep as xylem, coated with rooting powder, and then covered with earth cups.
Pottery cups can be filled with wet river sand. If it is too dry, pay attention to filling the earthen cup with water. After a few months of new roots and leaves, the high-pressure branches can be separated from the mother tree and directly obtain the seedlings that bloom that year.
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