After the potted rose is getting older, it will no longer bloom. At this time, the following measures can be taken to update and rejuvenate.
Cut and trim
It can be cut off in the winter, leaving only about 15 cm of the stem of the base, and the rest are cut off. In the spring, the base is selected to sprout new branches to re-cultivate the branches. In the spring, the flowering branches should be short-cut, leaving only 2-3 buds per branch, and the weak branches of the pests and the dead branches are eliminated. This allows the plant to be balanced and concentrated in nutrients, not only to re-flower, but also to have more flowers and good quality.
2. Turn the basin to change the soil and root
Every year in the spring or autumn, the soil is replaced by a potted soil. Pour the rose from the pot, cut off 1/2 of the soil ball, and trim it to the old and the root. The base of the pelvic pad is base fertilizer. Replace with humus-rich soil and replant to promote new roots and enhance water absorption.
3. Strengthen fertilizer and water management
The lunar month is hi-light, and you need to give plenty of light to ensure ample supply of fertilizer. In addition to timely watering, apply the decomposed diluted bean cake liquid fertilizer or fish miscellaneous fertilizer water every 10 days, and pay attention to the fact that the potting soil cannot accumulate water.
4. Prevention and treatment of diseases
The rose is vulnerable to black spot and powdery mildew. In addition to the diseased branches and leaves removed from the disease, carbendazim and thiophanate can be sprayed once every half month.
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