2, watering, usually keep the soil moist. Don't do it or water it to prevent water from accumulating in the basin. May to June. That is, the flower bud differentiation and formation period. To "withhold water", let the soil dry until the old leaves are slightly curled, and then water it when the new buds shrink. Repeat this several times, destroy the growth point of new branches, stop elongation, increase flower bud development, and then resume normal watering.
3, temperature, the temperature range that red plum adapts to is very wide, but the most suitable is about 25℃, and the temperature also affects the flowering time. The low temperature before flowering will delay the flowering time of flowers. If the temperature is low during flowering, the flowering period will be prolonged.
4, care, red plum likes light, likes warm and humid climate, and is also cold-resistant; The soil is fertile and loose sandy loam, rich in humus, sticky, with poor drainage and easy to rot and die. Therefore, plums should be planted in sunny, dry and well-ventilated places. It should be placed in a sunny and ventilated place.
5, watering, red plum has higher requirements for water, and the basin soil should be kept dry and not wet. Excessive wetting will have a negative impact on the growth of red plum. Water several times. You can water more when the weather is hot and dry in summer and less when the temperature is low in winter.
Step 6 trim. Pruning plum blossom bonsai is very important. After flowering every year, the old branches should be cut off, leaving only 3 ~ 4 buds, and pay attention to making the buds grow outward, so as to bloom intensively in the early spring of the following year. Pruning can also be combined with shaping. Cross branches, parallel branches, overlapping branches, long branches and weak branches that affect the beauty of the tree should be cut off.
7, fertilization, fertilization should pay attention to the season and growth period, when turning the pot, put bone meal and rotten bean cake crumbs at the bottom of the pot as base fertilizer, and apply cake fertilizer twice as topdressing before flower bud formation in the middle and late May, and then apply it again in early August. After autumn, continue to fertilize for 2 ~ 3 times, and put it in the greenhouse in winter.
8, pests and diseases, plum tends to live longer, which is related to its less destructive pests and diseases. But there are also several rare diseases and insect pests, such as powdery mildew, anthracnose, perforation and plaster disease; Gummosis; The longicorn beetles are mainly red-necked longicorn beetles, aphids, scale insects, moths, caterpillars, Noctuidae, dead leaf moths, leaf curl moths, apple caterpillars and other pests. Therefore, we should pay attention not to plant too densely, do a good job of ventilation and drainage, and strengthen daily tending management.